~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_selftest.py

  • Committer: mbp at sourcefrog
  • Date: 2005-03-28 04:16:10 UTC
  • Revision ID: mbp@sourcefrog.net-20050328041610-0b9dfa40f77c7671
fix up debug output for check command

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2005-2011 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
"""Tests for the test framework."""
18
 
 
19
 
from cStringIO import StringIO
20
 
import doctest
21
 
import os
22
 
import signal
23
 
import sys
24
 
import threading
25
 
import time
26
 
import unittest
27
 
import warnings
28
 
 
29
 
from testtools import (
30
 
    ExtendedToOriginalDecorator,
31
 
    MultiTestResult,
32
 
    )
33
 
from testtools.content import Content
34
 
from testtools.content_type import ContentType
35
 
from testtools.matchers import (
36
 
    DocTestMatches,
37
 
    Equals,
38
 
    )
39
 
import testtools.tests.helpers
40
 
 
41
 
import bzrlib
42
 
from bzrlib import (
43
 
    branchbuilder,
44
 
    bzrdir,
45
 
    errors,
46
 
    lockdir,
47
 
    memorytree,
48
 
    osutils,
49
 
    remote,
50
 
    repository,
51
 
    symbol_versioning,
52
 
    tests,
53
 
    transport,
54
 
    workingtree,
55
 
    )
56
 
from bzrlib.repofmt import (
57
 
    groupcompress_repo,
58
 
    )
59
 
from bzrlib.symbol_versioning import (
60
 
    deprecated_function,
61
 
    deprecated_in,
62
 
    deprecated_method,
63
 
    )
64
 
from bzrlib.tests import (
65
 
    features,
66
 
    test_lsprof,
67
 
    test_server,
68
 
    TestUtil,
69
 
    )
70
 
from bzrlib.trace import note, mutter
71
 
from bzrlib.transport import memory
72
 
 
73
 
 
74
 
def _test_ids(test_suite):
75
 
    """Get the ids for the tests in a test suite."""
76
 
    return [t.id() for t in tests.iter_suite_tests(test_suite)]
77
 
 
78
 
 
79
 
class MetaTestLog(tests.TestCase):
80
 
 
81
 
    def test_logging(self):
82
 
        """Test logs are captured when a test fails."""
83
 
        self.log('a test message')
84
 
        details = self.getDetails()
85
 
        log = details['log']
86
 
        self.assertThat(log.content_type, Equals(ContentType(
87
 
            "text", "plain", {"charset": "utf8"})))
88
 
        self.assertThat(u"".join(log.iter_text()), Equals(self.get_log()))
89
 
        self.assertThat(self.get_log(),
90
 
            DocTestMatches(u"...a test message\n", doctest.ELLIPSIS))
91
 
 
92
 
 
93
 
class TestUnicodeFilename(tests.TestCase):
94
 
 
95
 
    def test_probe_passes(self):
96
 
        """UnicodeFilename._probe passes."""
97
 
        # We can't test much more than that because the behaviour depends
98
 
        # on the platform.
99
 
        tests.UnicodeFilename._probe()
100
 
 
101
 
 
102
 
class TestTreeShape(tests.TestCaseInTempDir):
103
 
 
104
 
    def test_unicode_paths(self):
105
 
        self.requireFeature(tests.UnicodeFilename)
106
 
 
107
 
        filename = u'hell\u00d8'
108
 
        self.build_tree_contents([(filename, 'contents of hello')])
109
 
        self.assertPathExists(filename)
110
 
 
111
 
 
112
 
class TestClassesAvailable(tests.TestCase):
113
 
    """As a convenience we expose Test* classes from bzrlib.tests"""
114
 
 
115
 
    def test_test_case(self):
116
 
        from bzrlib.tests import TestCase
117
 
 
118
 
    def test_test_loader(self):
119
 
        from bzrlib.tests import TestLoader
120
 
 
121
 
    def test_test_suite(self):
122
 
        from bzrlib.tests import TestSuite
123
 
 
124
 
 
125
 
class TestTransportScenarios(tests.TestCase):
126
 
    """A group of tests that test the transport implementation adaption core.
127
 
 
128
 
    This is a meta test that the tests are applied to all available
129
 
    transports.
130
 
 
131
 
    This will be generalised in the future which is why it is in this
132
 
    test file even though it is specific to transport tests at the moment.
133
 
    """
134
 
 
135
 
    def test_get_transport_permutations(self):
136
 
        # this checks that get_test_permutations defined by the module is
137
 
        # called by the get_transport_test_permutations function.
138
 
        class MockModule(object):
139
 
            def get_test_permutations(self):
140
 
                return sample_permutation
141
 
        sample_permutation = [(1,2), (3,4)]
142
 
        from bzrlib.tests.per_transport import get_transport_test_permutations
143
 
        self.assertEqual(sample_permutation,
144
 
                         get_transport_test_permutations(MockModule()))
145
 
 
146
 
    def test_scenarios_include_all_modules(self):
147
 
        # this checks that the scenario generator returns as many permutations
148
 
        # as there are in all the registered transport modules - we assume if
149
 
        # this matches its probably doing the right thing especially in
150
 
        # combination with the tests for setting the right classes below.
151
 
        from bzrlib.tests.per_transport import transport_test_permutations
152
 
        from bzrlib.transport import _get_transport_modules
153
 
        modules = _get_transport_modules()
154
 
        permutation_count = 0
155
 
        for module in modules:
156
 
            try:
157
 
                permutation_count += len(reduce(getattr,
158
 
                    (module + ".get_test_permutations").split('.')[1:],
159
 
                     __import__(module))())
160
 
            except errors.DependencyNotPresent:
161
 
                pass
162
 
        scenarios = transport_test_permutations()
163
 
        self.assertEqual(permutation_count, len(scenarios))
164
 
 
165
 
    def test_scenarios_include_transport_class(self):
166
 
        # This test used to know about all the possible transports and the
167
 
        # order they were returned but that seems overly brittle (mbp
168
 
        # 20060307)
169
 
        from bzrlib.tests.per_transport import transport_test_permutations
170
 
        scenarios = transport_test_permutations()
171
 
        # there are at least that many builtin transports
172
 
        self.assertTrue(len(scenarios) > 6)
173
 
        one_scenario = scenarios[0]
174
 
        self.assertIsInstance(one_scenario[0], str)
175
 
        self.assertTrue(issubclass(one_scenario[1]["transport_class"],
176
 
                                   bzrlib.transport.Transport))
177
 
        self.assertTrue(issubclass(one_scenario[1]["transport_server"],
178
 
                                   bzrlib.transport.Server))
179
 
 
180
 
 
181
 
class TestBranchScenarios(tests.TestCase):
182
 
 
183
 
    def test_scenarios(self):
184
 
        # check that constructor parameters are passed through to the adapted
185
 
        # test.
186
 
        from bzrlib.tests.per_branch import make_scenarios
187
 
        server1 = "a"
188
 
        server2 = "b"
189
 
        formats = [("c", "C"), ("d", "D")]
190
 
        scenarios = make_scenarios(server1, server2, formats)
191
 
        self.assertEqual(2, len(scenarios))
192
 
        self.assertEqual([
193
 
            ('str',
194
 
             {'branch_format': 'c',
195
 
              'bzrdir_format': 'C',
196
 
              'transport_readonly_server': 'b',
197
 
              'transport_server': 'a'}),
198
 
            ('str',
199
 
             {'branch_format': 'd',
200
 
              'bzrdir_format': 'D',
201
 
              'transport_readonly_server': 'b',
202
 
              'transport_server': 'a'})],
203
 
            scenarios)
204
 
 
205
 
 
206
 
class TestBzrDirScenarios(tests.TestCase):
207
 
 
208
 
    def test_scenarios(self):
209
 
        # check that constructor parameters are passed through to the adapted
210
 
        # test.
211
 
        from bzrlib.tests.per_controldir import make_scenarios
212
 
        vfs_factory = "v"
213
 
        server1 = "a"
214
 
        server2 = "b"
215
 
        formats = ["c", "d"]
216
 
        scenarios = make_scenarios(vfs_factory, server1, server2, formats)
217
 
        self.assertEqual([
218
 
            ('str',
219
 
             {'bzrdir_format': 'c',
220
 
              'transport_readonly_server': 'b',
221
 
              'transport_server': 'a',
222
 
              'vfs_transport_factory': 'v'}),
223
 
            ('str',
224
 
             {'bzrdir_format': 'd',
225
 
              'transport_readonly_server': 'b',
226
 
              'transport_server': 'a',
227
 
              'vfs_transport_factory': 'v'})],
228
 
            scenarios)
229
 
 
230
 
 
231
 
class TestRepositoryScenarios(tests.TestCase):
232
 
 
233
 
    def test_formats_to_scenarios(self):
234
 
        from bzrlib.tests.per_repository import formats_to_scenarios
235
 
        formats = [("(c)", remote.RemoteRepositoryFormat()),
236
 
                   ("(d)", repository.format_registry.get(
237
 
                    'Bazaar repository format 2a (needs bzr 1.16 or later)\n'))]
238
 
        no_vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
239
 
            None)
240
 
        vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
241
 
            vfs_transport_factory="vfs")
242
 
        # no_vfs generate scenarios without vfs_transport_factory
243
 
        expected = [
244
 
            ('RemoteRepositoryFormat(c)',
245
 
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
246
 
              'repository_format': remote.RemoteRepositoryFormat(),
247
 
              'transport_readonly_server': 'readonly',
248
 
              'transport_server': 'server'}),
249
 
            ('RepositoryFormat2a(d)',
250
 
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
251
 
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
252
 
              'transport_readonly_server': 'readonly',
253
 
              'transport_server': 'server'})]
254
 
        self.assertEqual(expected, no_vfs_scenarios)
255
 
        self.assertEqual([
256
 
            ('RemoteRepositoryFormat(c)',
257
 
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
258
 
              'repository_format': remote.RemoteRepositoryFormat(),
259
 
              'transport_readonly_server': 'readonly',
260
 
              'transport_server': 'server',
261
 
              'vfs_transport_factory': 'vfs'}),
262
 
            ('RepositoryFormat2a(d)',
263
 
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
264
 
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
265
 
              'transport_readonly_server': 'readonly',
266
 
              'transport_server': 'server',
267
 
              'vfs_transport_factory': 'vfs'})],
268
 
            vfs_scenarios)
269
 
 
270
 
 
271
 
class TestTestScenarioApplication(tests.TestCase):
272
 
    """Tests for the test adaption facilities."""
273
 
 
274
 
    def test_apply_scenario(self):
275
 
        from bzrlib.tests import apply_scenario
276
 
        input_test = TestTestScenarioApplication("test_apply_scenario")
277
 
        # setup two adapted tests
278
 
        adapted_test1 = apply_scenario(input_test,
279
 
            ("new id",
280
 
            {"bzrdir_format":"bzr_format",
281
 
             "repository_format":"repo_fmt",
282
 
             "transport_server":"transport_server",
283
 
             "transport_readonly_server":"readonly-server"}))
284
 
        adapted_test2 = apply_scenario(input_test,
285
 
            ("new id 2", {"bzrdir_format":None}))
286
 
        # input_test should have been altered.
287
 
        self.assertRaises(AttributeError, getattr, input_test, "bzrdir_format")
288
 
        # the new tests are mutually incompatible, ensuring it has
289
 
        # made new ones, and unspecified elements in the scenario
290
 
        # should not have been altered.
291
 
        self.assertEqual("bzr_format", adapted_test1.bzrdir_format)
292
 
        self.assertEqual("repo_fmt", adapted_test1.repository_format)
293
 
        self.assertEqual("transport_server", adapted_test1.transport_server)
294
 
        self.assertEqual("readonly-server",
295
 
            adapted_test1.transport_readonly_server)
296
 
        self.assertEqual(
297
 
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
298
 
            "test_apply_scenario(new id)",
299
 
            adapted_test1.id())
300
 
        self.assertEqual(None, adapted_test2.bzrdir_format)
301
 
        self.assertEqual(
302
 
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
303
 
            "test_apply_scenario(new id 2)",
304
 
            adapted_test2.id())
305
 
 
306
 
 
307
 
class TestInterRepositoryScenarios(tests.TestCase):
308
 
 
309
 
    def test_scenarios(self):
310
 
        # check that constructor parameters are passed through to the adapted
311
 
        # test.
312
 
        from bzrlib.tests.per_interrepository import make_scenarios
313
 
        server1 = "a"
314
 
        server2 = "b"
315
 
        formats = [("C0", "C1", "C2", "C3"), ("D0", "D1", "D2", "D3")]
316
 
        scenarios = make_scenarios(server1, server2, formats)
317
 
        self.assertEqual([
318
 
            ('C0,str,str',
319
 
             {'repository_format': 'C1',
320
 
              'repository_format_to': 'C2',
321
 
              'transport_readonly_server': 'b',
322
 
              'transport_server': 'a',
323
 
              'extra_setup': 'C3'}),
324
 
            ('D0,str,str',
325
 
             {'repository_format': 'D1',
326
 
              'repository_format_to': 'D2',
327
 
              'transport_readonly_server': 'b',
328
 
              'transport_server': 'a',
329
 
              'extra_setup': 'D3'})],
330
 
            scenarios)
331
 
 
332
 
 
333
 
class TestWorkingTreeScenarios(tests.TestCase):
334
 
 
335
 
    def test_scenarios(self):
336
 
        # check that constructor parameters are passed through to the adapted
337
 
        # test.
338
 
        from bzrlib.tests.per_workingtree import make_scenarios
339
 
        server1 = "a"
340
 
        server2 = "b"
341
 
        formats = [workingtree.WorkingTreeFormat4(),
342
 
                   workingtree.WorkingTreeFormat3(),]
343
 
        scenarios = make_scenarios(server1, server2, formats)
344
 
        self.assertEqual([
345
 
            ('WorkingTreeFormat4',
346
 
             {'bzrdir_format': formats[0]._matchingbzrdir,
347
 
              'transport_readonly_server': 'b',
348
 
              'transport_server': 'a',
349
 
              'workingtree_format': formats[0]}),
350
 
            ('WorkingTreeFormat3',
351
 
             {'bzrdir_format': formats[1]._matchingbzrdir,
352
 
              'transport_readonly_server': 'b',
353
 
              'transport_server': 'a',
354
 
              'workingtree_format': formats[1]})],
355
 
            scenarios)
356
 
 
357
 
 
358
 
class TestTreeScenarios(tests.TestCase):
359
 
 
360
 
    def test_scenarios(self):
361
 
        # the tree implementation scenario generator is meant to setup one
362
 
        # instance for each working tree format, and one additional instance
363
 
        # that will use the default wt format, but create a revision tree for
364
 
        # the tests.  this means that the wt ones should have the
365
 
        # workingtree_to_test_tree attribute set to 'return_parameter' and the
366
 
        # revision one set to revision_tree_from_workingtree.
367
 
 
368
 
        from bzrlib.tests.per_tree import (
369
 
            _dirstate_tree_from_workingtree,
370
 
            make_scenarios,
371
 
            preview_tree_pre,
372
 
            preview_tree_post,
373
 
            return_parameter,
374
 
            revision_tree_from_workingtree
375
 
            )
376
 
        server1 = "a"
377
 
        server2 = "b"
378
 
        formats = [workingtree.WorkingTreeFormat4(),
379
 
                   workingtree.WorkingTreeFormat3(),]
380
 
        scenarios = make_scenarios(server1, server2, formats)
381
 
        self.assertEqual(7, len(scenarios))
382
 
        default_wt_format = workingtree.format_registry.get_default()
383
 
        wt4_format = workingtree.WorkingTreeFormat4()
384
 
        wt5_format = workingtree.WorkingTreeFormat5()
385
 
        expected_scenarios = [
386
 
            ('WorkingTreeFormat4',
387
 
             {'bzrdir_format': formats[0]._matchingbzrdir,
388
 
              'transport_readonly_server': 'b',
389
 
              'transport_server': 'a',
390
 
              'workingtree_format': formats[0],
391
 
              '_workingtree_to_test_tree': return_parameter,
392
 
              }),
393
 
            ('WorkingTreeFormat3',
394
 
             {'bzrdir_format': formats[1]._matchingbzrdir,
395
 
              'transport_readonly_server': 'b',
396
 
              'transport_server': 'a',
397
 
              'workingtree_format': formats[1],
398
 
              '_workingtree_to_test_tree': return_parameter,
399
 
             }),
400
 
            ('RevisionTree',
401
 
             {'_workingtree_to_test_tree': revision_tree_from_workingtree,
402
 
              'bzrdir_format': default_wt_format._matchingbzrdir,
403
 
              'transport_readonly_server': 'b',
404
 
              'transport_server': 'a',
405
 
              'workingtree_format': default_wt_format,
406
 
             }),
407
 
            ('DirStateRevisionTree,WT4',
408
 
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
409
 
              'bzrdir_format': wt4_format._matchingbzrdir,
410
 
              'transport_readonly_server': 'b',
411
 
              'transport_server': 'a',
412
 
              'workingtree_format': wt4_format,
413
 
             }),
414
 
            ('DirStateRevisionTree,WT5',
415
 
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
416
 
              'bzrdir_format': wt5_format._matchingbzrdir,
417
 
              'transport_readonly_server': 'b',
418
 
              'transport_server': 'a',
419
 
              'workingtree_format': wt5_format,
420
 
             }),
421
 
            ('PreviewTree',
422
 
             {'_workingtree_to_test_tree': preview_tree_pre,
423
 
              'bzrdir_format': default_wt_format._matchingbzrdir,
424
 
              'transport_readonly_server': 'b',
425
 
              'transport_server': 'a',
426
 
              'workingtree_format': default_wt_format}),
427
 
            ('PreviewTreePost',
428
 
             {'_workingtree_to_test_tree': preview_tree_post,
429
 
              'bzrdir_format': default_wt_format._matchingbzrdir,
430
 
              'transport_readonly_server': 'b',
431
 
              'transport_server': 'a',
432
 
              'workingtree_format': default_wt_format}),
433
 
             ]
434
 
        self.assertEqual(expected_scenarios, scenarios)
435
 
 
436
 
 
437
 
class TestInterTreeScenarios(tests.TestCase):
438
 
    """A group of tests that test the InterTreeTestAdapter."""
439
 
 
440
 
    def test_scenarios(self):
441
 
        # check that constructor parameters are passed through to the adapted
442
 
        # test.
443
 
        # for InterTree tests we want the machinery to bring up two trees in
444
 
        # each instance: the base one, and the one we are interacting with.
445
 
        # because each optimiser can be direction specific, we need to test
446
 
        # each optimiser in its chosen direction.
447
 
        # unlike the TestProviderAdapter we dont want to automatically add a
448
 
        # parameterized one for WorkingTree - the optimisers will tell us what
449
 
        # ones to add.
450
 
        from bzrlib.tests.per_tree import (
451
 
            return_parameter,
452
 
            )
453
 
        from bzrlib.tests.per_intertree import (
454
 
            make_scenarios,
455
 
            )
456
 
        from bzrlib.workingtree import WorkingTreeFormat3, WorkingTreeFormat4
457
 
        input_test = TestInterTreeScenarios(
458
 
            "test_scenarios")
459
 
        server1 = "a"
460
 
        server2 = "b"
461
 
        format1 = WorkingTreeFormat4()
462
 
        format2 = WorkingTreeFormat3()
463
 
        formats = [("1", str, format1, format2, "converter1"),
464
 
            ("2", int, format2, format1, "converter2")]
465
 
        scenarios = make_scenarios(server1, server2, formats)
466
 
        self.assertEqual(2, len(scenarios))
467
 
        expected_scenarios = [
468
 
            ("1", {
469
 
                "bzrdir_format": format1._matchingbzrdir,
470
 
                "intertree_class": formats[0][1],
471
 
                "workingtree_format": formats[0][2],
472
 
                "workingtree_format_to": formats[0][3],
473
 
                "mutable_trees_to_test_trees": formats[0][4],
474
 
                "_workingtree_to_test_tree": return_parameter,
475
 
                "transport_server": server1,
476
 
                "transport_readonly_server": server2,
477
 
                }),
478
 
            ("2", {
479
 
                "bzrdir_format": format2._matchingbzrdir,
480
 
                "intertree_class": formats[1][1],
481
 
                "workingtree_format": formats[1][2],
482
 
                "workingtree_format_to": formats[1][3],
483
 
                "mutable_trees_to_test_trees": formats[1][4],
484
 
                "_workingtree_to_test_tree": return_parameter,
485
 
                "transport_server": server1,
486
 
                "transport_readonly_server": server2,
487
 
                }),
488
 
            ]
489
 
        self.assertEqual(scenarios, expected_scenarios)
490
 
 
491
 
 
492
 
class TestTestCaseInTempDir(tests.TestCaseInTempDir):
493
 
 
494
 
    def test_home_is_not_working(self):
495
 
        self.assertNotEqual(self.test_dir, self.test_home_dir)
496
 
        cwd = osutils.getcwd()
497
 
        self.assertIsSameRealPath(self.test_dir, cwd)
498
 
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
499
 
 
500
 
    def test_assertEqualStat_equal(self):
501
 
        from bzrlib.tests.test_dirstate import _FakeStat
502
 
        self.build_tree(["foo"])
503
 
        real = os.lstat("foo")
504
 
        fake = _FakeStat(real.st_size, real.st_mtime, real.st_ctime,
505
 
            real.st_dev, real.st_ino, real.st_mode)
506
 
        self.assertEqualStat(real, fake)
507
 
 
508
 
    def test_assertEqualStat_notequal(self):
509
 
        self.build_tree(["foo", "longname"])
510
 
        self.assertRaises(AssertionError, self.assertEqualStat,
511
 
            os.lstat("foo"), os.lstat("longname"))
512
 
 
513
 
    def test_failUnlessExists(self):
514
 
        """Deprecated failUnlessExists and failIfExists"""
515
 
        self.applyDeprecated(
516
 
            deprecated_in((2, 4)),
517
 
            self.failUnlessExists, '.')
518
 
        self.build_tree(['foo/', 'foo/bar'])
519
 
        self.applyDeprecated(
520
 
            deprecated_in((2, 4)),
521
 
            self.failUnlessExists, 'foo/bar')
522
 
        self.applyDeprecated(
523
 
            deprecated_in((2, 4)),
524
 
            self.failIfExists, 'foo/foo')
525
 
 
526
 
    def test_assertPathExists(self):
527
 
        self.assertPathExists('.')
528
 
        self.build_tree(['foo/', 'foo/bar'])
529
 
        self.assertPathExists('foo/bar')
530
 
        self.assertPathDoesNotExist('foo/foo')
531
 
 
532
 
 
533
 
class TestTestCaseWithMemoryTransport(tests.TestCaseWithMemoryTransport):
534
 
 
535
 
    def test_home_is_non_existant_dir_under_root(self):
536
 
        """The test_home_dir for TestCaseWithMemoryTransport is missing.
537
 
 
538
 
        This is because TestCaseWithMemoryTransport is for tests that do not
539
 
        need any disk resources: they should be hooked into bzrlib in such a
540
 
        way that no global settings are being changed by the test (only a
541
 
        few tests should need to do that), and having a missing dir as home is
542
 
        an effective way to ensure that this is the case.
543
 
        """
544
 
        self.assertIsSameRealPath(
545
 
            self.TEST_ROOT + "/MemoryTransportMissingHomeDir",
546
 
            self.test_home_dir)
547
 
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
548
 
 
549
 
    def test_cwd_is_TEST_ROOT(self):
550
 
        self.assertIsSameRealPath(self.test_dir, self.TEST_ROOT)
551
 
        cwd = osutils.getcwd()
552
 
        self.assertIsSameRealPath(self.test_dir, cwd)
553
 
 
554
 
    def test_BZR_HOME_and_HOME_are_bytestrings(self):
555
 
        """The $BZR_HOME and $HOME environment variables should not be unicode.
556
 
 
557
 
        See https://bugs.launchpad.net/bzr/+bug/464174
558
 
        """
559
 
        self.assertIsInstance(os.environ['BZR_HOME'], str)
560
 
        self.assertIsInstance(os.environ['HOME'], str)
561
 
 
562
 
    def test_make_branch_and_memory_tree(self):
563
 
        """In TestCaseWithMemoryTransport we should not make the branch on disk.
564
 
 
565
 
        This is hard to comprehensively robustly test, so we settle for making
566
 
        a branch and checking no directory was created at its relpath.
567
 
        """
568
 
        tree = self.make_branch_and_memory_tree('dir')
569
 
        # Guard against regression into MemoryTransport leaking
570
 
        # files to disk instead of keeping them in memory.
571
 
        self.assertFalse(osutils.lexists('dir'))
572
 
        self.assertIsInstance(tree, memorytree.MemoryTree)
573
 
 
574
 
    def test_make_branch_and_memory_tree_with_format(self):
575
 
        """make_branch_and_memory_tree should accept a format option."""
576
 
        format = bzrdir.BzrDirMetaFormat1()
577
 
        format.repository_format = repository.format_registry.get_default()
578
 
        tree = self.make_branch_and_memory_tree('dir', format=format)
579
 
        # Guard against regression into MemoryTransport leaking
580
 
        # files to disk instead of keeping them in memory.
581
 
        self.assertFalse(osutils.lexists('dir'))
582
 
        self.assertIsInstance(tree, memorytree.MemoryTree)
583
 
        self.assertEqual(format.repository_format.__class__,
584
 
            tree.branch.repository._format.__class__)
585
 
 
586
 
    def test_make_branch_builder(self):
587
 
        builder = self.make_branch_builder('dir')
588
 
        self.assertIsInstance(builder, branchbuilder.BranchBuilder)
589
 
        # Guard against regression into MemoryTransport leaking
590
 
        # files to disk instead of keeping them in memory.
591
 
        self.assertFalse(osutils.lexists('dir'))
592
 
 
593
 
    def test_make_branch_builder_with_format(self):
594
 
        # Use a repo layout that doesn't conform to a 'named' layout, to ensure
595
 
        # that the format objects are used.
596
 
        format = bzrdir.BzrDirMetaFormat1()
597
 
        repo_format = repository.format_registry.get_default()
598
 
        format.repository_format = repo_format
599
 
        builder = self.make_branch_builder('dir', format=format)
600
 
        the_branch = builder.get_branch()
601
 
        # Guard against regression into MemoryTransport leaking
602
 
        # files to disk instead of keeping them in memory.
603
 
        self.assertFalse(osutils.lexists('dir'))
604
 
        self.assertEqual(format.repository_format.__class__,
605
 
                         the_branch.repository._format.__class__)
606
 
        self.assertEqual(repo_format.get_format_string(),
607
 
                         self.get_transport().get_bytes(
608
 
                            'dir/.bzr/repository/format'))
609
 
 
610
 
    def test_make_branch_builder_with_format_name(self):
611
 
        builder = self.make_branch_builder('dir', format='knit')
612
 
        the_branch = builder.get_branch()
613
 
        # Guard against regression into MemoryTransport leaking
614
 
        # files to disk instead of keeping them in memory.
615
 
        self.assertFalse(osutils.lexists('dir'))
616
 
        dir_format = bzrdir.format_registry.make_bzrdir('knit')
617
 
        self.assertEqual(dir_format.repository_format.__class__,
618
 
                         the_branch.repository._format.__class__)
619
 
        self.assertEqual('Bazaar-NG Knit Repository Format 1',
620
 
                         self.get_transport().get_bytes(
621
 
                            'dir/.bzr/repository/format'))
622
 
 
623
 
    def test_dangling_locks_cause_failures(self):
624
 
        class TestDanglingLock(tests.TestCaseWithMemoryTransport):
625
 
            def test_function(self):
626
 
                t = self.get_transport('.')
627
 
                l = lockdir.LockDir(t, 'lock')
628
 
                l.create()
629
 
                l.attempt_lock()
630
 
        test = TestDanglingLock('test_function')
631
 
        result = test.run()
632
 
        total_failures = result.errors + result.failures
633
 
        if self._lock_check_thorough:
634
 
            self.assertEqual(1, len(total_failures))
635
 
        else:
636
 
            # When _lock_check_thorough is disabled, then we don't trigger a
637
 
            # failure
638
 
            self.assertEqual(0, len(total_failures))
639
 
 
640
 
 
641
 
class TestTestCaseWithTransport(tests.TestCaseWithTransport):
642
 
    """Tests for the convenience functions TestCaseWithTransport introduces."""
643
 
 
644
 
    def test_get_readonly_url_none(self):
645
 
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
646
 
        self.vfs_transport_factory = memory.MemoryServer
647
 
        self.transport_readonly_server = None
648
 
        # calling get_readonly_transport() constructs a decorator on the url
649
 
        # for the server
650
 
        url = self.get_readonly_url()
651
 
        url2 = self.get_readonly_url('foo/bar')
652
 
        t = transport.get_transport(url)
653
 
        t2 = transport.get_transport(url2)
654
 
        self.assertIsInstance(t, ReadonlyTransportDecorator)
655
 
        self.assertIsInstance(t2, ReadonlyTransportDecorator)
656
 
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
657
 
 
658
 
    def test_get_readonly_url_http(self):
659
 
        from bzrlib.tests.http_server import HttpServer
660
 
        from bzrlib.transport.http import HttpTransportBase
661
 
        self.transport_server = test_server.LocalURLServer
662
 
        self.transport_readonly_server = HttpServer
663
 
        # calling get_readonly_transport() gives us a HTTP server instance.
664
 
        url = self.get_readonly_url()
665
 
        url2 = self.get_readonly_url('foo/bar')
666
 
        # the transport returned may be any HttpTransportBase subclass
667
 
        t = transport.get_transport(url)
668
 
        t2 = transport.get_transport(url2)
669
 
        self.assertIsInstance(t, HttpTransportBase)
670
 
        self.assertIsInstance(t2, HttpTransportBase)
671
 
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
672
 
 
673
 
    def test_is_directory(self):
674
 
        """Test assertIsDirectory assertion"""
675
 
        t = self.get_transport()
676
 
        self.build_tree(['a_dir/', 'a_file'], transport=t)
677
 
        self.assertIsDirectory('a_dir', t)
678
 
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
679
 
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
680
 
 
681
 
    def test_make_branch_builder(self):
682
 
        builder = self.make_branch_builder('dir')
683
 
        rev_id = builder.build_commit()
684
 
        self.assertPathExists('dir')
685
 
        a_dir = bzrdir.BzrDir.open('dir')
686
 
        self.assertRaises(errors.NoWorkingTree, a_dir.open_workingtree)
687
 
        a_branch = a_dir.open_branch()
688
 
        builder_branch = builder.get_branch()
689
 
        self.assertEqual(a_branch.base, builder_branch.base)
690
 
        self.assertEqual((1, rev_id), builder_branch.last_revision_info())
691
 
        self.assertEqual((1, rev_id), a_branch.last_revision_info())
692
 
 
693
 
 
694
 
class TestTestCaseTransports(tests.TestCaseWithTransport):
695
 
 
696
 
    def setUp(self):
697
 
        super(TestTestCaseTransports, self).setUp()
698
 
        self.vfs_transport_factory = memory.MemoryServer
699
 
 
700
 
    def test_make_bzrdir_preserves_transport(self):
701
 
        t = self.get_transport()
702
 
        result_bzrdir = self.make_bzrdir('subdir')
703
 
        self.assertIsInstance(result_bzrdir.transport,
704
 
                              memory.MemoryTransport)
705
 
        # should not be on disk, should only be in memory
706
 
        self.assertPathDoesNotExist('subdir')
707
 
 
708
 
 
709
 
class TestChrootedTest(tests.ChrootedTestCase):
710
 
 
711
 
    def test_root_is_root(self):
712
 
        t = transport.get_transport(self.get_readonly_url())
713
 
        url = t.base
714
 
        self.assertEqual(url, t.clone('..').base)
715
 
 
716
 
 
717
 
class TestProfileResult(tests.TestCase):
718
 
 
719
 
    def test_profiles_tests(self):
720
 
        self.requireFeature(test_lsprof.LSProfFeature)
721
 
        terminal = testtools.tests.helpers.ExtendedTestResult()
722
 
        result = tests.ProfileResult(terminal)
723
 
        class Sample(tests.TestCase):
724
 
            def a(self):
725
 
                self.sample_function()
726
 
            def sample_function(self):
727
 
                pass
728
 
        test = Sample("a")
729
 
        test.run(result)
730
 
        case = terminal._events[0][1]
731
 
        self.assertLength(1, case._benchcalls)
732
 
        # We must be able to unpack it as the test reporting code wants
733
 
        (_, _, _), stats = case._benchcalls[0]
734
 
        self.assertTrue(callable(stats.pprint))
735
 
 
736
 
 
737
 
class TestTestResult(tests.TestCase):
738
 
 
739
 
    def check_timing(self, test_case, expected_re):
740
 
        result = bzrlib.tests.TextTestResult(self._log_file,
741
 
                descriptions=0,
742
 
                verbosity=1,
743
 
                )
744
 
        capture = testtools.tests.helpers.ExtendedTestResult()
745
 
        test_case.run(MultiTestResult(result, capture))
746
 
        run_case = capture._events[0][1]
747
 
        timed_string = result._testTimeString(run_case)
748
 
        self.assertContainsRe(timed_string, expected_re)
749
 
 
750
 
    def test_test_reporting(self):
751
 
        class ShortDelayTestCase(tests.TestCase):
752
 
            def test_short_delay(self):
753
 
                time.sleep(0.003)
754
 
            def test_short_benchmark(self):
755
 
                self.time(time.sleep, 0.003)
756
 
        self.check_timing(ShortDelayTestCase('test_short_delay'),
757
 
                          r"^ +[0-9]+ms$")
758
 
        # if a benchmark time is given, we now show just that time followed by
759
 
        # a star
760
 
        self.check_timing(ShortDelayTestCase('test_short_benchmark'),
761
 
                          r"^ +[0-9]+ms\*$")
762
 
 
763
 
    def test_unittest_reporting_unittest_class(self):
764
 
        # getting the time from a non-bzrlib test works ok
765
 
        class ShortDelayTestCase(unittest.TestCase):
766
 
            def test_short_delay(self):
767
 
                time.sleep(0.003)
768
 
        self.check_timing(ShortDelayTestCase('test_short_delay'),
769
 
                          r"^ +[0-9]+ms$")
770
 
 
771
 
    def _time_hello_world_encoding(self):
772
 
        """Profile two sleep calls
773
 
 
774
 
        This is used to exercise the test framework.
775
 
        """
776
 
        self.time(unicode, 'hello', errors='replace')
777
 
        self.time(unicode, 'world', errors='replace')
778
 
 
779
 
    def test_lsprofiling(self):
780
 
        """Verbose test result prints lsprof statistics from test cases."""
781
 
        self.requireFeature(test_lsprof.LSProfFeature)
782
 
        result_stream = StringIO()
783
 
        result = bzrlib.tests.VerboseTestResult(
784
 
            result_stream,
785
 
            descriptions=0,
786
 
            verbosity=2,
787
 
            )
788
 
        # we want profile a call of some sort and check it is output by
789
 
        # addSuccess. We dont care about addError or addFailure as they
790
 
        # are not that interesting for performance tuning.
791
 
        # make a new test instance that when run will generate a profile
792
 
        example_test_case = TestTestResult("_time_hello_world_encoding")
793
 
        example_test_case._gather_lsprof_in_benchmarks = True
794
 
        # execute the test, which should succeed and record profiles
795
 
        example_test_case.run(result)
796
 
        # lsprofile_something()
797
 
        # if this worked we want
798
 
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
799
 
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
800
 
        # (the lsprof header)
801
 
        # ... an arbitrary number of lines
802
 
        # and the function call which is time.sleep.
803
 
        #           1        0            ???         ???       ???(sleep)
804
 
        # and then repeated but with 'world', rather than 'hello'.
805
 
        # this should appear in the output stream of our test result.
806
 
        output = result_stream.getvalue()
807
 
        self.assertContainsRe(output,
808
 
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
809
 
        self.assertContainsRe(output,
810
 
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
811
 
        self.assertContainsRe(output,
812
 
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
813
 
        self.assertContainsRe(output,
814
 
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
815
 
 
816
 
    def test_uses_time_from_testtools(self):
817
 
        """Test case timings in verbose results should use testtools times"""
818
 
        import datetime
819
 
        class TimeAddedVerboseTestResult(tests.VerboseTestResult):
820
 
            def startTest(self, test):
821
 
                self.time(datetime.datetime.utcfromtimestamp(1.145))
822
 
                super(TimeAddedVerboseTestResult, self).startTest(test)
823
 
            def addSuccess(self, test):
824
 
                self.time(datetime.datetime.utcfromtimestamp(51.147))
825
 
                super(TimeAddedVerboseTestResult, self).addSuccess(test)
826
 
            def report_tests_starting(self): pass
827
 
        sio = StringIO()
828
 
        self.get_passing_test().run(TimeAddedVerboseTestResult(sio, 0, 2))
829
 
        self.assertEndsWith(sio.getvalue(), "OK    50002ms\n")
830
 
 
831
 
    def test_known_failure(self):
832
 
        """A KnownFailure being raised should trigger several result actions."""
833
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
834
 
            def stopTestRun(self): pass
835
 
            def report_tests_starting(self): pass
836
 
            def report_known_failure(self, test, err=None, details=None):
837
 
                self._call = test, 'known failure'
838
 
        result = InstrumentedTestResult(None, None, None, None)
839
 
        class Test(tests.TestCase):
840
 
            def test_function(self):
841
 
                raise tests.KnownFailure('failed!')
842
 
        test = Test("test_function")
843
 
        test.run(result)
844
 
        # it should invoke 'report_known_failure'.
845
 
        self.assertEqual(2, len(result._call))
846
 
        self.assertEqual(test.id(), result._call[0].id())
847
 
        self.assertEqual('known failure', result._call[1])
848
 
        # we dont introspec the traceback, if the rest is ok, it would be
849
 
        # exceptional for it not to be.
850
 
        # it should update the known_failure_count on the object.
851
 
        self.assertEqual(1, result.known_failure_count)
852
 
        # the result should be successful.
853
 
        self.assertTrue(result.wasSuccessful())
854
 
 
855
 
    def test_verbose_report_known_failure(self):
856
 
        # verbose test output formatting
857
 
        result_stream = StringIO()
858
 
        result = bzrlib.tests.VerboseTestResult(
859
 
            result_stream,
860
 
            descriptions=0,
861
 
            verbosity=2,
862
 
            )
863
 
        test = self.get_passing_test()
864
 
        result.startTest(test)
865
 
        prefix = len(result_stream.getvalue())
866
 
        # the err parameter has the shape:
867
 
        # (class, exception object, traceback)
868
 
        # KnownFailures dont get their tracebacks shown though, so we
869
 
        # can skip that.
870
 
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
871
 
        result.report_known_failure(test, err)
872
 
        output = result_stream.getvalue()[prefix:]
873
 
        lines = output.splitlines()
874
 
        self.assertContainsRe(lines[0], r'XFAIL *\d+ms$')
875
 
        if sys.version_info > (2, 7):
876
 
            self.expectFailure("_ExpectedFailure on 2.7 loses the message",
877
 
                self.assertNotEqual, lines[1], '    ')
878
 
        self.assertEqual(lines[1], '    foo')
879
 
        self.assertEqual(2, len(lines))
880
 
 
881
 
    def get_passing_test(self):
882
 
        """Return a test object that can't be run usefully."""
883
 
        def passing_test():
884
 
            pass
885
 
        return unittest.FunctionTestCase(passing_test)
886
 
 
887
 
    def test_add_not_supported(self):
888
 
        """Test the behaviour of invoking addNotSupported."""
889
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
890
 
            def stopTestRun(self): pass
891
 
            def report_tests_starting(self): pass
892
 
            def report_unsupported(self, test, feature):
893
 
                self._call = test, feature
894
 
        result = InstrumentedTestResult(None, None, None, None)
895
 
        test = SampleTestCase('_test_pass')
896
 
        feature = tests.Feature()
897
 
        result.startTest(test)
898
 
        result.addNotSupported(test, feature)
899
 
        # it should invoke 'report_unsupported'.
900
 
        self.assertEqual(2, len(result._call))
901
 
        self.assertEqual(test, result._call[0])
902
 
        self.assertEqual(feature, result._call[1])
903
 
        # the result should be successful.
904
 
        self.assertTrue(result.wasSuccessful())
905
 
        # it should record the test against a count of tests not run due to
906
 
        # this feature.
907
 
        self.assertEqual(1, result.unsupported['Feature'])
908
 
        # and invoking it again should increment that counter
909
 
        result.addNotSupported(test, feature)
910
 
        self.assertEqual(2, result.unsupported['Feature'])
911
 
 
912
 
    def test_verbose_report_unsupported(self):
913
 
        # verbose test output formatting
914
 
        result_stream = StringIO()
915
 
        result = bzrlib.tests.VerboseTestResult(
916
 
            result_stream,
917
 
            descriptions=0,
918
 
            verbosity=2,
919
 
            )
920
 
        test = self.get_passing_test()
921
 
        feature = tests.Feature()
922
 
        result.startTest(test)
923
 
        prefix = len(result_stream.getvalue())
924
 
        result.report_unsupported(test, feature)
925
 
        output = result_stream.getvalue()[prefix:]
926
 
        lines = output.splitlines()
927
 
        # We don't check for the final '0ms' since it may fail on slow hosts
928
 
        self.assertStartsWith(lines[0], 'NODEP')
929
 
        self.assertEqual(lines[1],
930
 
                         "    The feature 'Feature' is not available.")
931
 
 
932
 
    def test_unavailable_exception(self):
933
 
        """An UnavailableFeature being raised should invoke addNotSupported."""
934
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
935
 
            def stopTestRun(self): pass
936
 
            def report_tests_starting(self): pass
937
 
            def addNotSupported(self, test, feature):
938
 
                self._call = test, feature
939
 
        result = InstrumentedTestResult(None, None, None, None)
940
 
        feature = tests.Feature()
941
 
        class Test(tests.TestCase):
942
 
            def test_function(self):
943
 
                raise tests.UnavailableFeature(feature)
944
 
        test = Test("test_function")
945
 
        test.run(result)
946
 
        # it should invoke 'addNotSupported'.
947
 
        self.assertEqual(2, len(result._call))
948
 
        self.assertEqual(test.id(), result._call[0].id())
949
 
        self.assertEqual(feature, result._call[1])
950
 
        # and not count as an error
951
 
        self.assertEqual(0, result.error_count)
952
 
 
953
 
    def test_strict_with_unsupported_feature(self):
954
 
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
955
 
                                             verbosity=1)
956
 
        test = self.get_passing_test()
957
 
        feature = "Unsupported Feature"
958
 
        result.addNotSupported(test, feature)
959
 
        self.assertFalse(result.wasStrictlySuccessful())
960
 
        self.assertEqual(None, result._extractBenchmarkTime(test))
961
 
 
962
 
    def test_strict_with_known_failure(self):
963
 
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
964
 
                                             verbosity=1)
965
 
        test = self.get_passing_test()
966
 
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
967
 
        result.addExpectedFailure(test, err)
968
 
        self.assertFalse(result.wasStrictlySuccessful())
969
 
        self.assertEqual(None, result._extractBenchmarkTime(test))
970
 
 
971
 
    def test_strict_with_success(self):
972
 
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
973
 
                                             verbosity=1)
974
 
        test = self.get_passing_test()
975
 
        result.addSuccess(test)
976
 
        self.assertTrue(result.wasStrictlySuccessful())
977
 
        self.assertEqual(None, result._extractBenchmarkTime(test))
978
 
 
979
 
    def test_startTests(self):
980
 
        """Starting the first test should trigger startTests."""
981
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
982
 
            calls = 0
983
 
            def startTests(self): self.calls += 1
984
 
        result = InstrumentedTestResult(None, None, None, None)
985
 
        def test_function():
986
 
            pass
987
 
        test = unittest.FunctionTestCase(test_function)
988
 
        test.run(result)
989
 
        self.assertEquals(1, result.calls)
990
 
 
991
 
    def test_startTests_only_once(self):
992
 
        """With multiple tests startTests should still only be called once"""
993
 
        class InstrumentedTestResult(tests.ExtendedTestResult):
994
 
            calls = 0
995
 
            def startTests(self): self.calls += 1
996
 
        result = InstrumentedTestResult(None, None, None, None)
997
 
        suite = unittest.TestSuite([
998
 
            unittest.FunctionTestCase(lambda: None),
999
 
            unittest.FunctionTestCase(lambda: None)])
1000
 
        suite.run(result)
1001
 
        self.assertEquals(1, result.calls)
1002
 
        self.assertEquals(2, result.count)
1003
 
 
1004
 
 
1005
 
class TestUnicodeFilenameFeature(tests.TestCase):
1006
 
 
1007
 
    def test_probe_passes(self):
1008
 
        """UnicodeFilenameFeature._probe passes."""
1009
 
        # We can't test much more than that because the behaviour depends
1010
 
        # on the platform.
1011
 
        tests.UnicodeFilenameFeature._probe()
1012
 
 
1013
 
 
1014
 
class TestRunner(tests.TestCase):
1015
 
 
1016
 
    def dummy_test(self):
1017
 
        pass
1018
 
 
1019
 
    def run_test_runner(self, testrunner, test):
1020
 
        """Run suite in testrunner, saving global state and restoring it.
1021
 
 
1022
 
        This current saves and restores:
1023
 
        TestCaseInTempDir.TEST_ROOT
1024
 
 
1025
 
        There should be no tests in this file that use
1026
 
        bzrlib.tests.TextTestRunner without using this convenience method,
1027
 
        because of our use of global state.
1028
 
        """
1029
 
        old_root = tests.TestCaseInTempDir.TEST_ROOT
1030
 
        try:
1031
 
            tests.TestCaseInTempDir.TEST_ROOT = None
1032
 
            return testrunner.run(test)
1033
 
        finally:
1034
 
            tests.TestCaseInTempDir.TEST_ROOT = old_root
1035
 
 
1036
 
    def test_known_failure_failed_run(self):
1037
 
        # run a test that generates a known failure which should be printed in
1038
 
        # the final output when real failures occur.
1039
 
        class Test(tests.TestCase):
1040
 
            def known_failure_test(self):
1041
 
                self.expectFailure('failed', self.assertTrue, False)
1042
 
        test = unittest.TestSuite()
1043
 
        test.addTest(Test("known_failure_test"))
1044
 
        def failing_test():
1045
 
            self.fail('foo')
1046
 
        test.addTest(unittest.FunctionTestCase(failing_test))
1047
 
        stream = StringIO()
1048
 
        runner = tests.TextTestRunner(stream=stream)
1049
 
        result = self.run_test_runner(runner, test)
1050
 
        lines = stream.getvalue().splitlines()
1051
 
        self.assertContainsRe(stream.getvalue(),
1052
 
            '(?sm)^bzr selftest.*$'
1053
 
            '.*'
1054
 
            '^======================================================================\n'
1055
 
            '^FAIL: failing_test\n'
1056
 
            '^----------------------------------------------------------------------\n'
1057
 
            'Traceback \\(most recent call last\\):\n'
1058
 
            '  .*' # File .*, line .*, in failing_test' - but maybe not from .pyc
1059
 
            '    self.fail\\(\'foo\'\\)\n'
1060
 
            '.*'
1061
 
            '^----------------------------------------------------------------------\n'
1062
 
            '.*'
1063
 
            'FAILED \\(failures=1, known_failure_count=1\\)'
1064
 
            )
1065
 
 
1066
 
    def test_known_failure_ok_run(self):
1067
 
        # run a test that generates a known failure which should be printed in
1068
 
        # the final output.
1069
 
        class Test(tests.TestCase):
1070
 
            def known_failure_test(self):
1071
 
                self.expectFailure('failed', self.assertTrue, False)
1072
 
        test = Test("known_failure_test")
1073
 
        stream = StringIO()
1074
 
        runner = tests.TextTestRunner(stream=stream)
1075
 
        result = self.run_test_runner(runner, test)
1076
 
        self.assertContainsRe(stream.getvalue(),
1077
 
            '\n'
1078
 
            '-*\n'
1079
 
            'Ran 1 test in .*\n'
1080
 
            '\n'
1081
 
            'OK \\(known_failures=1\\)\n')
1082
 
 
1083
 
    def test_result_decorator(self):
1084
 
        # decorate results
1085
 
        calls = []
1086
 
        class LoggingDecorator(ExtendedToOriginalDecorator):
1087
 
            def startTest(self, test):
1088
 
                ExtendedToOriginalDecorator.startTest(self, test)
1089
 
                calls.append('start')
1090
 
        test = unittest.FunctionTestCase(lambda:None)
1091
 
        stream = StringIO()
1092
 
        runner = tests.TextTestRunner(stream=stream,
1093
 
            result_decorators=[LoggingDecorator])
1094
 
        result = self.run_test_runner(runner, test)
1095
 
        self.assertLength(1, calls)
1096
 
 
1097
 
    def test_skipped_test(self):
1098
 
        # run a test that is skipped, and check the suite as a whole still
1099
 
        # succeeds.
1100
 
        # skipping_test must be hidden in here so it's not run as a real test
1101
 
        class SkippingTest(tests.TestCase):
1102
 
            def skipping_test(self):
1103
 
                raise tests.TestSkipped('test intentionally skipped')
1104
 
        runner = tests.TextTestRunner(stream=self._log_file)
1105
 
        test = SkippingTest("skipping_test")
1106
 
        result = self.run_test_runner(runner, test)
1107
 
        self.assertTrue(result.wasSuccessful())
1108
 
 
1109
 
    def test_skipped_from_setup(self):
1110
 
        calls = []
1111
 
        class SkippedSetupTest(tests.TestCase):
1112
 
 
1113
 
            def setUp(self):
1114
 
                calls.append('setUp')
1115
 
                self.addCleanup(self.cleanup)
1116
 
                raise tests.TestSkipped('skipped setup')
1117
 
 
1118
 
            def test_skip(self):
1119
 
                self.fail('test reached')
1120
 
 
1121
 
            def cleanup(self):
1122
 
                calls.append('cleanup')
1123
 
 
1124
 
        runner = tests.TextTestRunner(stream=self._log_file)
1125
 
        test = SkippedSetupTest('test_skip')
1126
 
        result = self.run_test_runner(runner, test)
1127
 
        self.assertTrue(result.wasSuccessful())
1128
 
        # Check if cleanup was called the right number of times.
1129
 
        self.assertEqual(['setUp', 'cleanup'], calls)
1130
 
 
1131
 
    def test_skipped_from_test(self):
1132
 
        calls = []
1133
 
        class SkippedTest(tests.TestCase):
1134
 
 
1135
 
            def setUp(self):
1136
 
                tests.TestCase.setUp(self)
1137
 
                calls.append('setUp')
1138
 
                self.addCleanup(self.cleanup)
1139
 
 
1140
 
            def test_skip(self):
1141
 
                raise tests.TestSkipped('skipped test')
1142
 
 
1143
 
            def cleanup(self):
1144
 
                calls.append('cleanup')
1145
 
 
1146
 
        runner = tests.TextTestRunner(stream=self._log_file)
1147
 
        test = SkippedTest('test_skip')
1148
 
        result = self.run_test_runner(runner, test)
1149
 
        self.assertTrue(result.wasSuccessful())
1150
 
        # Check if cleanup was called the right number of times.
1151
 
        self.assertEqual(['setUp', 'cleanup'], calls)
1152
 
 
1153
 
    def test_not_applicable(self):
1154
 
        # run a test that is skipped because it's not applicable
1155
 
        class Test(tests.TestCase):
1156
 
            def not_applicable_test(self):
1157
 
                raise tests.TestNotApplicable('this test never runs')
1158
 
        out = StringIO()
1159
 
        runner = tests.TextTestRunner(stream=out, verbosity=2)
1160
 
        test = Test("not_applicable_test")
1161
 
        result = self.run_test_runner(runner, test)
1162
 
        self._log_file.write(out.getvalue())
1163
 
        self.assertTrue(result.wasSuccessful())
1164
 
        self.assertTrue(result.wasStrictlySuccessful())
1165
 
        self.assertContainsRe(out.getvalue(),
1166
 
                r'(?m)not_applicable_test   * N/A')
1167
 
        self.assertContainsRe(out.getvalue(),
1168
 
                r'(?m)^    this test never runs')
1169
 
 
1170
 
    def test_unsupported_features_listed(self):
1171
 
        """When unsupported features are encountered they are detailed."""
1172
 
        class Feature1(tests.Feature):
1173
 
            def _probe(self): return False
1174
 
        class Feature2(tests.Feature):
1175
 
            def _probe(self): return False
1176
 
        # create sample tests
1177
 
        test1 = SampleTestCase('_test_pass')
1178
 
        test1._test_needs_features = [Feature1()]
1179
 
        test2 = SampleTestCase('_test_pass')
1180
 
        test2._test_needs_features = [Feature2()]
1181
 
        test = unittest.TestSuite()
1182
 
        test.addTest(test1)
1183
 
        test.addTest(test2)
1184
 
        stream = StringIO()
1185
 
        runner = tests.TextTestRunner(stream=stream)
1186
 
        result = self.run_test_runner(runner, test)
1187
 
        lines = stream.getvalue().splitlines()
1188
 
        self.assertEqual([
1189
 
            'OK',
1190
 
            "Missing feature 'Feature1' skipped 1 tests.",
1191
 
            "Missing feature 'Feature2' skipped 1 tests.",
1192
 
            ],
1193
 
            lines[-3:])
1194
 
 
1195
 
    def test_verbose_test_count(self):
1196
 
        """A verbose test run reports the right test count at the start"""
1197
 
        suite = TestUtil.TestSuite([
1198
 
            unittest.FunctionTestCase(lambda:None),
1199
 
            unittest.FunctionTestCase(lambda:None)])
1200
 
        self.assertEqual(suite.countTestCases(), 2)
1201
 
        stream = StringIO()
1202
 
        runner = tests.TextTestRunner(stream=stream, verbosity=2)
1203
 
        # Need to use the CountingDecorator as that's what sets num_tests
1204
 
        result = self.run_test_runner(runner, tests.CountingDecorator(suite))
1205
 
        self.assertStartsWith(stream.getvalue(), "running 2 tests")
1206
 
 
1207
 
    def test_startTestRun(self):
1208
 
        """run should call result.startTestRun()"""
1209
 
        calls = []
1210
 
        class LoggingDecorator(ExtendedToOriginalDecorator):
1211
 
            def startTestRun(self):
1212
 
                ExtendedToOriginalDecorator.startTestRun(self)
1213
 
                calls.append('startTestRun')
1214
 
        test = unittest.FunctionTestCase(lambda:None)
1215
 
        stream = StringIO()
1216
 
        runner = tests.TextTestRunner(stream=stream,
1217
 
            result_decorators=[LoggingDecorator])
1218
 
        result = self.run_test_runner(runner, test)
1219
 
        self.assertLength(1, calls)
1220
 
 
1221
 
    def test_stopTestRun(self):
1222
 
        """run should call result.stopTestRun()"""
1223
 
        calls = []
1224
 
        class LoggingDecorator(ExtendedToOriginalDecorator):
1225
 
            def stopTestRun(self):
1226
 
                ExtendedToOriginalDecorator.stopTestRun(self)
1227
 
                calls.append('stopTestRun')
1228
 
        test = unittest.FunctionTestCase(lambda:None)
1229
 
        stream = StringIO()
1230
 
        runner = tests.TextTestRunner(stream=stream,
1231
 
            result_decorators=[LoggingDecorator])
1232
 
        result = self.run_test_runner(runner, test)
1233
 
        self.assertLength(1, calls)
1234
 
 
1235
 
    def test_unicode_test_output_on_ascii_stream(self):
1236
 
        """Showing results should always succeed even on an ascii console"""
1237
 
        class FailureWithUnicode(tests.TestCase):
1238
 
            def test_log_unicode(self):
1239
 
                self.log(u"\u2606")
1240
 
                self.fail("Now print that log!")
1241
 
        out = StringIO()
1242
 
        self.overrideAttr(osutils, "get_terminal_encoding",
1243
 
            lambda trace=False: "ascii")
1244
 
        result = self.run_test_runner(tests.TextTestRunner(stream=out),
1245
 
            FailureWithUnicode("test_log_unicode"))
1246
 
        self.assertContainsRe(out.getvalue(),
1247
 
            "Text attachment: log\n"
1248
 
            "-+\n"
1249
 
            "\d+\.\d+  \\\\u2606\n"
1250
 
            "-+\n")
1251
 
 
1252
 
 
1253
 
class SampleTestCase(tests.TestCase):
1254
 
 
1255
 
    def _test_pass(self):
1256
 
        pass
1257
 
 
1258
 
class _TestException(Exception):
1259
 
    pass
1260
 
 
1261
 
 
1262
 
class TestTestCase(tests.TestCase):
1263
 
    """Tests that test the core bzrlib TestCase."""
1264
 
 
1265
 
    def test_assertLength_matches_empty(self):
1266
 
        a_list = []
1267
 
        self.assertLength(0, a_list)
1268
 
 
1269
 
    def test_assertLength_matches_nonempty(self):
1270
 
        a_list = [1, 2, 3]
1271
 
        self.assertLength(3, a_list)
1272
 
 
1273
 
    def test_assertLength_fails_different(self):
1274
 
        a_list = []
1275
 
        self.assertRaises(AssertionError, self.assertLength, 1, a_list)
1276
 
 
1277
 
    def test_assertLength_shows_sequence_in_failure(self):
1278
 
        a_list = [1, 2, 3]
1279
 
        exception = self.assertRaises(AssertionError, self.assertLength, 2,
1280
 
            a_list)
1281
 
        self.assertEqual('Incorrect length: wanted 2, got 3 for [1, 2, 3]',
1282
 
            exception.args[0])
1283
 
 
1284
 
    def test_base_setUp_not_called_causes_failure(self):
1285
 
        class TestCaseWithBrokenSetUp(tests.TestCase):
1286
 
            def setUp(self):
1287
 
                pass # does not call TestCase.setUp
1288
 
            def test_foo(self):
1289
 
                pass
1290
 
        test = TestCaseWithBrokenSetUp('test_foo')
1291
 
        result = unittest.TestResult()
1292
 
        test.run(result)
1293
 
        self.assertFalse(result.wasSuccessful())
1294
 
        self.assertEqual(1, result.testsRun)
1295
 
 
1296
 
    def test_base_tearDown_not_called_causes_failure(self):
1297
 
        class TestCaseWithBrokenTearDown(tests.TestCase):
1298
 
            def tearDown(self):
1299
 
                pass # does not call TestCase.tearDown
1300
 
            def test_foo(self):
1301
 
                pass
1302
 
        test = TestCaseWithBrokenTearDown('test_foo')
1303
 
        result = unittest.TestResult()
1304
 
        test.run(result)
1305
 
        self.assertFalse(result.wasSuccessful())
1306
 
        self.assertEqual(1, result.testsRun)
1307
 
 
1308
 
    def test_debug_flags_sanitised(self):
1309
 
        """The bzrlib debug flags should be sanitised by setUp."""
1310
 
        if 'allow_debug' in tests.selftest_debug_flags:
1311
 
            raise tests.TestNotApplicable(
1312
 
                '-Eallow_debug option prevents debug flag sanitisation')
1313
 
        # we could set something and run a test that will check
1314
 
        # it gets santised, but this is probably sufficient for now:
1315
 
        # if someone runs the test with -Dsomething it will error.
1316
 
        flags = set()
1317
 
        if self._lock_check_thorough:
1318
 
            flags.add('strict_locks')
1319
 
        self.assertEqual(flags, bzrlib.debug.debug_flags)
1320
 
 
1321
 
    def change_selftest_debug_flags(self, new_flags):
1322
 
        self.overrideAttr(tests, 'selftest_debug_flags', set(new_flags))
1323
 
 
1324
 
    def test_allow_debug_flag(self):
1325
 
        """The -Eallow_debug flag prevents bzrlib.debug.debug_flags from being
1326
 
        sanitised (i.e. cleared) before running a test.
1327
 
        """
1328
 
        self.change_selftest_debug_flags(set(['allow_debug']))
1329
 
        bzrlib.debug.debug_flags = set(['a-flag'])
1330
 
        class TestThatRecordsFlags(tests.TestCase):
1331
 
            def test_foo(nested_self):
1332
 
                self.flags = set(bzrlib.debug.debug_flags)
1333
 
        test = TestThatRecordsFlags('test_foo')
1334
 
        test.run(self.make_test_result())
1335
 
        flags = set(['a-flag'])
1336
 
        if 'disable_lock_checks' not in tests.selftest_debug_flags:
1337
 
            flags.add('strict_locks')
1338
 
        self.assertEqual(flags, self.flags)
1339
 
 
1340
 
    def test_disable_lock_checks(self):
1341
 
        """The -Edisable_lock_checks flag disables thorough checks."""
1342
 
        class TestThatRecordsFlags(tests.TestCase):
1343
 
            def test_foo(nested_self):
1344
 
                self.flags = set(bzrlib.debug.debug_flags)
1345
 
                self.test_lock_check_thorough = nested_self._lock_check_thorough
1346
 
        self.change_selftest_debug_flags(set())
1347
 
        test = TestThatRecordsFlags('test_foo')
1348
 
        test.run(self.make_test_result())
1349
 
        # By default we do strict lock checking and thorough lock/unlock
1350
 
        # tracking.
1351
 
        self.assertTrue(self.test_lock_check_thorough)
1352
 
        self.assertEqual(set(['strict_locks']), self.flags)
1353
 
        # Now set the disable_lock_checks flag, and show that this changed.
1354
 
        self.change_selftest_debug_flags(set(['disable_lock_checks']))
1355
 
        test = TestThatRecordsFlags('test_foo')
1356
 
        test.run(self.make_test_result())
1357
 
        self.assertFalse(self.test_lock_check_thorough)
1358
 
        self.assertEqual(set(), self.flags)
1359
 
 
1360
 
    def test_this_fails_strict_lock_check(self):
1361
 
        class TestThatRecordsFlags(tests.TestCase):
1362
 
            def test_foo(nested_self):
1363
 
                self.flags1 = set(bzrlib.debug.debug_flags)
1364
 
                self.thisFailsStrictLockCheck()
1365
 
                self.flags2 = set(bzrlib.debug.debug_flags)
1366
 
        # Make sure lock checking is active
1367
 
        self.change_selftest_debug_flags(set())
1368
 
        test = TestThatRecordsFlags('test_foo')
1369
 
        test.run(self.make_test_result())
1370
 
        self.assertEqual(set(['strict_locks']), self.flags1)
1371
 
        self.assertEqual(set(), self.flags2)
1372
 
 
1373
 
    def test_debug_flags_restored(self):
1374
 
        """The bzrlib debug flags should be restored to their original state
1375
 
        after the test was run, even if allow_debug is set.
1376
 
        """
1377
 
        self.change_selftest_debug_flags(set(['allow_debug']))
1378
 
        # Now run a test that modifies debug.debug_flags.
1379
 
        bzrlib.debug.debug_flags = set(['original-state'])
1380
 
        class TestThatModifiesFlags(tests.TestCase):
1381
 
            def test_foo(self):
1382
 
                bzrlib.debug.debug_flags = set(['modified'])
1383
 
        test = TestThatModifiesFlags('test_foo')
1384
 
        test.run(self.make_test_result())
1385
 
        self.assertEqual(set(['original-state']), bzrlib.debug.debug_flags)
1386
 
 
1387
 
    def make_test_result(self):
1388
 
        """Get a test result that writes to the test log file."""
1389
 
        return tests.TextTestResult(self._log_file, descriptions=0, verbosity=1)
1390
 
 
1391
 
    def inner_test(self):
1392
 
        # the inner child test
1393
 
        note("inner_test")
1394
 
 
1395
 
    def outer_child(self):
1396
 
        # the outer child test
1397
 
        note("outer_start")
1398
 
        self.inner_test = TestTestCase("inner_child")
1399
 
        result = self.make_test_result()
1400
 
        self.inner_test.run(result)
1401
 
        note("outer finish")
1402
 
        self.addCleanup(osutils.delete_any, self._log_file_name)
1403
 
 
1404
 
    def test_trace_nesting(self):
1405
 
        # this tests that each test case nests its trace facility correctly.
1406
 
        # we do this by running a test case manually. That test case (A)
1407
 
        # should setup a new log, log content to it, setup a child case (B),
1408
 
        # which should log independently, then case (A) should log a trailer
1409
 
        # and return.
1410
 
        # we do two nested children so that we can verify the state of the
1411
 
        # logs after the outer child finishes is correct, which a bad clean
1412
 
        # up routine in tearDown might trigger a fault in our test with only
1413
 
        # one child, we should instead see the bad result inside our test with
1414
 
        # the two children.
1415
 
        # the outer child test
1416
 
        original_trace = bzrlib.trace._trace_file
1417
 
        outer_test = TestTestCase("outer_child")
1418
 
        result = self.make_test_result()
1419
 
        outer_test.run(result)
1420
 
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
1421
 
 
1422
 
    def method_that_times_a_bit_twice(self):
1423
 
        # call self.time twice to ensure it aggregates
1424
 
        self.time(time.sleep, 0.007)
1425
 
        self.time(time.sleep, 0.007)
1426
 
 
1427
 
    def test_time_creates_benchmark_in_result(self):
1428
 
        """Test that the TestCase.time() method accumulates a benchmark time."""
1429
 
        sample_test = TestTestCase("method_that_times_a_bit_twice")
1430
 
        output_stream = StringIO()
1431
 
        result = bzrlib.tests.VerboseTestResult(
1432
 
            output_stream,
1433
 
            descriptions=0,
1434
 
            verbosity=2)
1435
 
        sample_test.run(result)
1436
 
        self.assertContainsRe(
1437
 
            output_stream.getvalue(),
1438
 
            r"\d+ms\*\n$")
1439
 
 
1440
 
    def test_hooks_sanitised(self):
1441
 
        """The bzrlib hooks should be sanitised by setUp."""
1442
 
        # Note this test won't fail with hooks that the core library doesn't
1443
 
        # use - but it trigger with a plugin that adds hooks, so its still a
1444
 
        # useful warning in that case.
1445
 
        self.assertEqual(bzrlib.branch.BranchHooks(), bzrlib.branch.Branch.hooks)
1446
 
        self.assertEqual(
1447
 
            bzrlib.smart.server.SmartServerHooks(),
1448
 
            bzrlib.smart.server.SmartTCPServer.hooks)
1449
 
        self.assertEqual(
1450
 
            bzrlib.commands.CommandHooks(), bzrlib.commands.Command.hooks)
1451
 
 
1452
 
    def test__gather_lsprof_in_benchmarks(self):
1453
 
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
1454
 
 
1455
 
        Each self.time() call is individually and separately profiled.
1456
 
        """
1457
 
        self.requireFeature(test_lsprof.LSProfFeature)
1458
 
        # overrides the class member with an instance member so no cleanup
1459
 
        # needed.
1460
 
        self._gather_lsprof_in_benchmarks = True
1461
 
        self.time(time.sleep, 0.000)
1462
 
        self.time(time.sleep, 0.003)
1463
 
        self.assertEqual(2, len(self._benchcalls))
1464
 
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
1465
 
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
1466
 
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
1467
 
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
1468
 
        del self._benchcalls[:]
1469
 
 
1470
 
    def test_knownFailure(self):
1471
 
        """Self.knownFailure() should raise a KnownFailure exception."""
1472
 
        self.assertRaises(tests.KnownFailure, self.knownFailure, "A Failure")
1473
 
 
1474
 
    def test_open_bzrdir_safe_roots(self):
1475
 
        # even a memory transport should fail to open when its url isn't 
1476
 
        # permitted.
1477
 
        # Manually set one up (TestCase doesn't and shouldn't provide magic
1478
 
        # machinery)
1479
 
        transport_server = memory.MemoryServer()
1480
 
        transport_server.start_server()
1481
 
        self.addCleanup(transport_server.stop_server)
1482
 
        t = transport.get_transport(transport_server.get_url())
1483
 
        bzrdir.BzrDir.create(t.base)
1484
 
        self.assertRaises(errors.BzrError,
1485
 
            bzrdir.BzrDir.open_from_transport, t)
1486
 
        # But if we declare this as safe, we can open the bzrdir.
1487
 
        self.permit_url(t.base)
1488
 
        self._bzr_selftest_roots.append(t.base)
1489
 
        bzrdir.BzrDir.open_from_transport(t)
1490
 
 
1491
 
    def test_requireFeature_available(self):
1492
 
        """self.requireFeature(available) is a no-op."""
1493
 
        class Available(tests.Feature):
1494
 
            def _probe(self):return True
1495
 
        feature = Available()
1496
 
        self.requireFeature(feature)
1497
 
 
1498
 
    def test_requireFeature_unavailable(self):
1499
 
        """self.requireFeature(unavailable) raises UnavailableFeature."""
1500
 
        class Unavailable(tests.Feature):
1501
 
            def _probe(self):return False
1502
 
        feature = Unavailable()
1503
 
        self.assertRaises(tests.UnavailableFeature,
1504
 
                          self.requireFeature, feature)
1505
 
 
1506
 
    def test_run_no_parameters(self):
1507
 
        test = SampleTestCase('_test_pass')
1508
 
        test.run()
1509
 
 
1510
 
    def test_run_enabled_unittest_result(self):
1511
 
        """Test we revert to regular behaviour when the test is enabled."""
1512
 
        test = SampleTestCase('_test_pass')
1513
 
        class EnabledFeature(object):
1514
 
            def available(self):
1515
 
                return True
1516
 
        test._test_needs_features = [EnabledFeature()]
1517
 
        result = unittest.TestResult()
1518
 
        test.run(result)
1519
 
        self.assertEqual(1, result.testsRun)
1520
 
        self.assertEqual([], result.errors)
1521
 
        self.assertEqual([], result.failures)
1522
 
 
1523
 
    def test_run_disabled_unittest_result(self):
1524
 
        """Test our compatability for disabled tests with unittest results."""
1525
 
        test = SampleTestCase('_test_pass')
1526
 
        class DisabledFeature(object):
1527
 
            def available(self):
1528
 
                return False
1529
 
        test._test_needs_features = [DisabledFeature()]
1530
 
        result = unittest.TestResult()
1531
 
        test.run(result)
1532
 
        self.assertEqual(1, result.testsRun)
1533
 
        self.assertEqual([], result.errors)
1534
 
        self.assertEqual([], result.failures)
1535
 
 
1536
 
    def test_run_disabled_supporting_result(self):
1537
 
        """Test disabled tests behaviour with support aware results."""
1538
 
        test = SampleTestCase('_test_pass')
1539
 
        class DisabledFeature(object):
1540
 
            def __eq__(self, other):
1541
 
                return isinstance(other, DisabledFeature)
1542
 
            def available(self):
1543
 
                return False
1544
 
        the_feature = DisabledFeature()
1545
 
        test._test_needs_features = [the_feature]
1546
 
        class InstrumentedTestResult(unittest.TestResult):
1547
 
            def __init__(self):
1548
 
                unittest.TestResult.__init__(self)
1549
 
                self.calls = []
1550
 
            def startTest(self, test):
1551
 
                self.calls.append(('startTest', test))
1552
 
            def stopTest(self, test):
1553
 
                self.calls.append(('stopTest', test))
1554
 
            def addNotSupported(self, test, feature):
1555
 
                self.calls.append(('addNotSupported', test, feature))
1556
 
        result = InstrumentedTestResult()
1557
 
        test.run(result)
1558
 
        case = result.calls[0][1]
1559
 
        self.assertEqual([
1560
 
            ('startTest', case),
1561
 
            ('addNotSupported', case, the_feature),
1562
 
            ('stopTest', case),
1563
 
            ],
1564
 
            result.calls)
1565
 
 
1566
 
    def test_start_server_registers_url(self):
1567
 
        transport_server = memory.MemoryServer()
1568
 
        # A little strict, but unlikely to be changed soon.
1569
 
        self.assertEqual([], self._bzr_selftest_roots)
1570
 
        self.start_server(transport_server)
1571
 
        self.assertSubset([transport_server.get_url()],
1572
 
            self._bzr_selftest_roots)
1573
 
 
1574
 
    def test_assert_list_raises_on_generator(self):
1575
 
        def generator_which_will_raise():
1576
 
            # This will not raise until after the first yield
1577
 
            yield 1
1578
 
            raise _TestException()
1579
 
 
1580
 
        e = self.assertListRaises(_TestException, generator_which_will_raise)
1581
 
        self.assertIsInstance(e, _TestException)
1582
 
 
1583
 
        e = self.assertListRaises(Exception, generator_which_will_raise)
1584
 
        self.assertIsInstance(e, _TestException)
1585
 
 
1586
 
    def test_assert_list_raises_on_plain(self):
1587
 
        def plain_exception():
1588
 
            raise _TestException()
1589
 
            return []
1590
 
 
1591
 
        e = self.assertListRaises(_TestException, plain_exception)
1592
 
        self.assertIsInstance(e, _TestException)
1593
 
 
1594
 
        e = self.assertListRaises(Exception, plain_exception)
1595
 
        self.assertIsInstance(e, _TestException)
1596
 
 
1597
 
    def test_assert_list_raises_assert_wrong_exception(self):
1598
 
        class _NotTestException(Exception):
1599
 
            pass
1600
 
 
1601
 
        def wrong_exception():
1602
 
            raise _NotTestException()
1603
 
 
1604
 
        def wrong_exception_generator():
1605
 
            yield 1
1606
 
            yield 2
1607
 
            raise _NotTestException()
1608
 
 
1609
 
        # Wrong exceptions are not intercepted
1610
 
        self.assertRaises(_NotTestException,
1611
 
            self.assertListRaises, _TestException, wrong_exception)
1612
 
        self.assertRaises(_NotTestException,
1613
 
            self.assertListRaises, _TestException, wrong_exception_generator)
1614
 
 
1615
 
    def test_assert_list_raises_no_exception(self):
1616
 
        def success():
1617
 
            return []
1618
 
 
1619
 
        def success_generator():
1620
 
            yield 1
1621
 
            yield 2
1622
 
 
1623
 
        self.assertRaises(AssertionError,
1624
 
            self.assertListRaises, _TestException, success)
1625
 
 
1626
 
        self.assertRaises(AssertionError,
1627
 
            self.assertListRaises, _TestException, success_generator)
1628
 
 
1629
 
    def test_overrideAttr_without_value(self):
1630
 
        self.test_attr = 'original' # Define a test attribute
1631
 
        obj = self # Make 'obj' visible to the embedded test
1632
 
        class Test(tests.TestCase):
1633
 
 
1634
 
            def setUp(self):
1635
 
                tests.TestCase.setUp(self)
1636
 
                self.orig = self.overrideAttr(obj, 'test_attr')
1637
 
 
1638
 
            def test_value(self):
1639
 
                self.assertEqual('original', self.orig)
1640
 
                self.assertEqual('original', obj.test_attr)
1641
 
                obj.test_attr = 'modified'
1642
 
                self.assertEqual('modified', obj.test_attr)
1643
 
 
1644
 
        test = Test('test_value')
1645
 
        test.run(unittest.TestResult())
1646
 
        self.assertEqual('original', obj.test_attr)
1647
 
 
1648
 
    def test_overrideAttr_with_value(self):
1649
 
        self.test_attr = 'original' # Define a test attribute
1650
 
        obj = self # Make 'obj' visible to the embedded test
1651
 
        class Test(tests.TestCase):
1652
 
 
1653
 
            def setUp(self):
1654
 
                tests.TestCase.setUp(self)
1655
 
                self.orig = self.overrideAttr(obj, 'test_attr', new='modified')
1656
 
 
1657
 
            def test_value(self):
1658
 
                self.assertEqual('original', self.orig)
1659
 
                self.assertEqual('modified', obj.test_attr)
1660
 
 
1661
 
        test = Test('test_value')
1662
 
        test.run(unittest.TestResult())
1663
 
        self.assertEqual('original', obj.test_attr)
1664
 
 
1665
 
 
1666
 
class _MissingFeature(tests.Feature):
1667
 
    def _probe(self):
1668
 
        return False
1669
 
missing_feature = _MissingFeature()
1670
 
 
1671
 
 
1672
 
def _get_test(name):
1673
 
    """Get an instance of a specific example test.
1674
 
 
1675
 
    We protect this in a function so that they don't auto-run in the test
1676
 
    suite.
1677
 
    """
1678
 
 
1679
 
    class ExampleTests(tests.TestCase):
1680
 
 
1681
 
        def test_fail(self):
1682
 
            mutter('this was a failing test')
1683
 
            self.fail('this test will fail')
1684
 
 
1685
 
        def test_error(self):
1686
 
            mutter('this test errored')
1687
 
            raise RuntimeError('gotcha')
1688
 
 
1689
 
        def test_missing_feature(self):
1690
 
            mutter('missing the feature')
1691
 
            self.requireFeature(missing_feature)
1692
 
 
1693
 
        def test_skip(self):
1694
 
            mutter('this test will be skipped')
1695
 
            raise tests.TestSkipped('reason')
1696
 
 
1697
 
        def test_success(self):
1698
 
            mutter('this test succeeds')
1699
 
 
1700
 
        def test_xfail(self):
1701
 
            mutter('test with expected failure')
1702
 
            self.knownFailure('this_fails')
1703
 
 
1704
 
        def test_unexpected_success(self):
1705
 
            mutter('test with unexpected success')
1706
 
            self.expectFailure('should_fail', lambda: None)
1707
 
 
1708
 
    return ExampleTests(name)
1709
 
 
1710
 
 
1711
 
class TestTestCaseLogDetails(tests.TestCase):
1712
 
 
1713
 
    def _run_test(self, test_name):
1714
 
        test = _get_test(test_name)
1715
 
        result = testtools.TestResult()
1716
 
        test.run(result)
1717
 
        return result
1718
 
 
1719
 
    def test_fail_has_log(self):
1720
 
        result = self._run_test('test_fail')
1721
 
        self.assertEqual(1, len(result.failures))
1722
 
        result_content = result.failures[0][1]
1723
 
        self.assertContainsRe(result_content, 'Text attachment: log')
1724
 
        self.assertContainsRe(result_content, 'this was a failing test')
1725
 
 
1726
 
    def test_error_has_log(self):
1727
 
        result = self._run_test('test_error')
1728
 
        self.assertEqual(1, len(result.errors))
1729
 
        result_content = result.errors[0][1]
1730
 
        self.assertContainsRe(result_content, 'Text attachment: log')
1731
 
        self.assertContainsRe(result_content, 'this test errored')
1732
 
 
1733
 
    def test_skip_has_no_log(self):
1734
 
        result = self._run_test('test_skip')
1735
 
        self.assertEqual(['reason'], result.skip_reasons.keys())
1736
 
        skips = result.skip_reasons['reason']
1737
 
        self.assertEqual(1, len(skips))
1738
 
        test = skips[0]
1739
 
        self.assertFalse('log' in test.getDetails())
1740
 
 
1741
 
    def test_missing_feature_has_no_log(self):
1742
 
        # testtools doesn't know about addNotSupported, so it just gets
1743
 
        # considered as a skip
1744
 
        result = self._run_test('test_missing_feature')
1745
 
        self.assertEqual([missing_feature], result.skip_reasons.keys())
1746
 
        skips = result.skip_reasons[missing_feature]
1747
 
        self.assertEqual(1, len(skips))
1748
 
        test = skips[0]
1749
 
        self.assertFalse('log' in test.getDetails())
1750
 
 
1751
 
    def test_xfail_has_no_log(self):
1752
 
        result = self._run_test('test_xfail')
1753
 
        self.assertEqual(1, len(result.expectedFailures))
1754
 
        result_content = result.expectedFailures[0][1]
1755
 
        self.assertNotContainsRe(result_content, 'Text attachment: log')
1756
 
        self.assertNotContainsRe(result_content, 'test with expected failure')
1757
 
 
1758
 
    def test_unexpected_success_has_log(self):
1759
 
        result = self._run_test('test_unexpected_success')
1760
 
        self.assertEqual(1, len(result.unexpectedSuccesses))
1761
 
        # Inconsistency, unexpectedSuccesses is a list of tests,
1762
 
        # expectedFailures is a list of reasons?
1763
 
        test = result.unexpectedSuccesses[0]
1764
 
        details = test.getDetails()
1765
 
        self.assertTrue('log' in details)
1766
 
 
1767
 
 
1768
 
class TestTestCloning(tests.TestCase):
1769
 
    """Tests that test cloning of TestCases (as used by multiply_tests)."""
1770
 
 
1771
 
    def test_cloned_testcase_does_not_share_details(self):
1772
 
        """A TestCase cloned with clone_test does not share mutable attributes
1773
 
        such as details or cleanups.
1774
 
        """
1775
 
        class Test(tests.TestCase):
1776
 
            def test_foo(self):
1777
 
                self.addDetail('foo', Content('text/plain', lambda: 'foo'))
1778
 
        orig_test = Test('test_foo')
1779
 
        cloned_test = tests.clone_test(orig_test, orig_test.id() + '(cloned)')
1780
 
        orig_test.run(unittest.TestResult())
1781
 
        self.assertEqual('foo', orig_test.getDetails()['foo'].iter_bytes())
1782
 
        self.assertEqual(None, cloned_test.getDetails().get('foo'))
1783
 
 
1784
 
    def test_double_apply_scenario_preserves_first_scenario(self):
1785
 
        """Applying two levels of scenarios to a test preserves the attributes
1786
 
        added by both scenarios.
1787
 
        """
1788
 
        class Test(tests.TestCase):
1789
 
            def test_foo(self):
1790
 
                pass
1791
 
        test = Test('test_foo')
1792
 
        scenarios_x = [('x=1', {'x': 1}), ('x=2', {'x': 2})]
1793
 
        scenarios_y = [('y=1', {'y': 1}), ('y=2', {'y': 2})]
1794
 
        suite = tests.multiply_tests(test, scenarios_x, unittest.TestSuite())
1795
 
        suite = tests.multiply_tests(suite, scenarios_y, unittest.TestSuite())
1796
 
        all_tests = list(tests.iter_suite_tests(suite))
1797
 
        self.assertLength(4, all_tests)
1798
 
        all_xys = sorted((t.x, t.y) for t in all_tests)
1799
 
        self.assertEqual([(1, 1), (1, 2), (2, 1), (2, 2)], all_xys)
1800
 
 
1801
 
 
1802
 
# NB: Don't delete this; it's not actually from 0.11!
1803
 
@deprecated_function(deprecated_in((0, 11, 0)))
1804
 
def sample_deprecated_function():
1805
 
    """A deprecated function to test applyDeprecated with."""
1806
 
    return 2
1807
 
 
1808
 
 
1809
 
def sample_undeprecated_function(a_param):
1810
 
    """A undeprecated function to test applyDeprecated with."""
1811
 
 
1812
 
 
1813
 
class ApplyDeprecatedHelper(object):
1814
 
    """A helper class for ApplyDeprecated tests."""
1815
 
 
1816
 
    @deprecated_method(deprecated_in((0, 11, 0)))
1817
 
    def sample_deprecated_method(self, param_one):
1818
 
        """A deprecated method for testing with."""
1819
 
        return param_one
1820
 
 
1821
 
    def sample_normal_method(self):
1822
 
        """A undeprecated method."""
1823
 
 
1824
 
    @deprecated_method(deprecated_in((0, 10, 0)))
1825
 
    def sample_nested_deprecation(self):
1826
 
        return sample_deprecated_function()
1827
 
 
1828
 
 
1829
 
class TestExtraAssertions(tests.TestCase):
1830
 
    """Tests for new test assertions in bzrlib test suite"""
1831
 
 
1832
 
    def test_assert_isinstance(self):
1833
 
        self.assertIsInstance(2, int)
1834
 
        self.assertIsInstance(u'', basestring)
1835
 
        e = self.assertRaises(AssertionError, self.assertIsInstance, None, int)
1836
 
        self.assertEquals(str(e),
1837
 
            "None is an instance of <type 'NoneType'> rather than <type 'int'>")
1838
 
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
1839
 
        e = self.assertRaises(AssertionError,
1840
 
            self.assertIsInstance, None, int, "it's just not")
1841
 
        self.assertEquals(str(e),
1842
 
            "None is an instance of <type 'NoneType'> rather than <type 'int'>"
1843
 
            ": it's just not")
1844
 
 
1845
 
    def test_assertEndsWith(self):
1846
 
        self.assertEndsWith('foo', 'oo')
1847
 
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
1848
 
 
1849
 
    def test_assertEqualDiff(self):
1850
 
        e = self.assertRaises(AssertionError,
1851
 
                              self.assertEqualDiff, '', '\n')
1852
 
        self.assertEquals(str(e),
1853
 
                          # Don't blink ! The '+' applies to the second string
1854
 
                          'first string is missing a final newline.\n+ \n')
1855
 
        e = self.assertRaises(AssertionError,
1856
 
                              self.assertEqualDiff, '\n', '')
1857
 
        self.assertEquals(str(e),
1858
 
                          # Don't blink ! The '-' applies to the second string
1859
 
                          'second string is missing a final newline.\n- \n')
1860
 
 
1861
 
 
1862
 
class TestDeprecations(tests.TestCase):
1863
 
 
1864
 
    def test_applyDeprecated_not_deprecated(self):
1865
 
        sample_object = ApplyDeprecatedHelper()
1866
 
        # calling an undeprecated callable raises an assertion
1867
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1868
 
            deprecated_in((0, 11, 0)),
1869
 
            sample_object.sample_normal_method)
1870
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1871
 
            deprecated_in((0, 11, 0)),
1872
 
            sample_undeprecated_function, "a param value")
1873
 
        # calling a deprecated callable (function or method) with the wrong
1874
 
        # expected deprecation fails.
1875
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1876
 
            deprecated_in((0, 10, 0)),
1877
 
            sample_object.sample_deprecated_method, "a param value")
1878
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1879
 
            deprecated_in((0, 10, 0)),
1880
 
            sample_deprecated_function)
1881
 
        # calling a deprecated callable (function or method) with the right
1882
 
        # expected deprecation returns the functions result.
1883
 
        self.assertEqual("a param value",
1884
 
            self.applyDeprecated(deprecated_in((0, 11, 0)),
1885
 
            sample_object.sample_deprecated_method, "a param value"))
1886
 
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 11, 0)),
1887
 
            sample_deprecated_function))
1888
 
        # calling a nested deprecation with the wrong deprecation version
1889
 
        # fails even if a deeper nested function was deprecated with the
1890
 
        # supplied version.
1891
 
        self.assertRaises(AssertionError, self.applyDeprecated,
1892
 
            deprecated_in((0, 11, 0)), sample_object.sample_nested_deprecation)
1893
 
        # calling a nested deprecation with the right deprecation value
1894
 
        # returns the calls result.
1895
 
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 10, 0)),
1896
 
            sample_object.sample_nested_deprecation))
1897
 
 
1898
 
    def test_callDeprecated(self):
1899
 
        def testfunc(be_deprecated, result=None):
1900
 
            if be_deprecated is True:
1901
 
                symbol_versioning.warn('i am deprecated', DeprecationWarning,
1902
 
                                       stacklevel=1)
1903
 
            return result
1904
 
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
1905
 
        self.assertIs(None, result)
1906
 
        result = self.callDeprecated([], testfunc, False, 'result')
1907
 
        self.assertEqual('result', result)
1908
 
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
1909
 
        self.callDeprecated([], testfunc, be_deprecated=False)
1910
 
 
1911
 
 
1912
 
class TestWarningTests(tests.TestCase):
1913
 
    """Tests for calling methods that raise warnings."""
1914
 
 
1915
 
    def test_callCatchWarnings(self):
1916
 
        def meth(a, b):
1917
 
            warnings.warn("this is your last warning")
1918
 
            return a + b
1919
 
        wlist, result = self.callCatchWarnings(meth, 1, 2)
1920
 
        self.assertEquals(3, result)
1921
 
        # would like just to compare them, but UserWarning doesn't implement
1922
 
        # eq well
1923
 
        w0, = wlist
1924
 
        self.assertIsInstance(w0, UserWarning)
1925
 
        self.assertEquals("this is your last warning", str(w0))
1926
 
 
1927
 
 
1928
 
class TestConvenienceMakers(tests.TestCaseWithTransport):
1929
 
    """Test for the make_* convenience functions."""
1930
 
 
1931
 
    def test_make_branch_and_tree_with_format(self):
1932
 
        # we should be able to supply a format to make_branch_and_tree
1933
 
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
1934
 
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
1935
 
                              bzrlib.bzrdir.BzrDirMetaFormat1)
1936
 
 
1937
 
    def test_make_branch_and_memory_tree(self):
1938
 
        # we should be able to get a new branch and a mutable tree from
1939
 
        # TestCaseWithTransport
1940
 
        tree = self.make_branch_and_memory_tree('a')
1941
 
        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
1942
 
 
1943
 
    def test_make_tree_for_local_vfs_backed_transport(self):
1944
 
        # make_branch_and_tree has to use local branch and repositories
1945
 
        # when the vfs transport and local disk are colocated, even if
1946
 
        # a different transport is in use for url generation.
1947
 
        self.transport_server = test_server.FakeVFATServer
1948
 
        self.assertFalse(self.get_url('t1').startswith('file://'))
1949
 
        tree = self.make_branch_and_tree('t1')
1950
 
        base = tree.bzrdir.root_transport.base
1951
 
        self.assertStartsWith(base, 'file://')
1952
 
        self.assertEquals(tree.bzrdir.root_transport,
1953
 
                tree.branch.bzrdir.root_transport)
1954
 
        self.assertEquals(tree.bzrdir.root_transport,
1955
 
                tree.branch.repository.bzrdir.root_transport)
1956
 
 
1957
 
 
1958
 
class SelfTestHelper(object):
1959
 
 
1960
 
    def run_selftest(self, **kwargs):
1961
 
        """Run selftest returning its output."""
1962
 
        output = StringIO()
1963
 
        old_transport = bzrlib.tests.default_transport
1964
 
        old_root = tests.TestCaseWithMemoryTransport.TEST_ROOT
1965
 
        tests.TestCaseWithMemoryTransport.TEST_ROOT = None
1966
 
        try:
1967
 
            self.assertEqual(True, tests.selftest(stream=output, **kwargs))
1968
 
        finally:
1969
 
            bzrlib.tests.default_transport = old_transport
1970
 
            tests.TestCaseWithMemoryTransport.TEST_ROOT = old_root
1971
 
        output.seek(0)
1972
 
        return output
1973
 
 
1974
 
 
1975
 
class TestSelftest(tests.TestCase, SelfTestHelper):
1976
 
    """Tests of bzrlib.tests.selftest."""
1977
 
 
1978
 
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
1979
 
        factory_called = []
1980
 
        def factory():
1981
 
            factory_called.append(True)
1982
 
            return TestUtil.TestSuite()
1983
 
        out = StringIO()
1984
 
        err = StringIO()
1985
 
        self.apply_redirected(out, err, None, bzrlib.tests.selftest,
1986
 
            test_suite_factory=factory)
1987
 
        self.assertEqual([True], factory_called)
1988
 
 
1989
 
    def factory(self):
1990
 
        """A test suite factory."""
1991
 
        class Test(tests.TestCase):
1992
 
            def a(self):
1993
 
                pass
1994
 
            def b(self):
1995
 
                pass
1996
 
            def c(self):
1997
 
                pass
1998
 
        return TestUtil.TestSuite([Test("a"), Test("b"), Test("c")])
1999
 
 
2000
 
    def test_list_only(self):
2001
 
        output = self.run_selftest(test_suite_factory=self.factory,
2002
 
            list_only=True)
2003
 
        self.assertEqual(3, len(output.readlines()))
2004
 
 
2005
 
    def test_list_only_filtered(self):
2006
 
        output = self.run_selftest(test_suite_factory=self.factory,
2007
 
            list_only=True, pattern="Test.b")
2008
 
        self.assertEndsWith(output.getvalue(), "Test.b\n")
2009
 
        self.assertLength(1, output.readlines())
2010
 
 
2011
 
    def test_list_only_excludes(self):
2012
 
        output = self.run_selftest(test_suite_factory=self.factory,
2013
 
            list_only=True, exclude_pattern="Test.b")
2014
 
        self.assertNotContainsRe("Test.b", output.getvalue())
2015
 
        self.assertLength(2, output.readlines())
2016
 
 
2017
 
    def test_lsprof_tests(self):
2018
 
        self.requireFeature(test_lsprof.LSProfFeature)
2019
 
        calls = []
2020
 
        class Test(object):
2021
 
            def __call__(test, result):
2022
 
                test.run(result)
2023
 
            def run(test, result):
2024
 
                self.assertIsInstance(result, ExtendedToOriginalDecorator)
2025
 
                calls.append("called")
2026
 
            def countTestCases(self):
2027
 
                return 1
2028
 
        self.run_selftest(test_suite_factory=Test, lsprof_tests=True)
2029
 
        self.assertLength(1, calls)
2030
 
 
2031
 
    def test_random(self):
2032
 
        # test randomising by listing a number of tests.
2033
 
        output_123 = self.run_selftest(test_suite_factory=self.factory,
2034
 
            list_only=True, random_seed="123")
2035
 
        output_234 = self.run_selftest(test_suite_factory=self.factory,
2036
 
            list_only=True, random_seed="234")
2037
 
        self.assertNotEqual(output_123, output_234)
2038
 
        # "Randominzing test order..\n\n
2039
 
        self.assertLength(5, output_123.readlines())
2040
 
        self.assertLength(5, output_234.readlines())
2041
 
 
2042
 
    def test_random_reuse_is_same_order(self):
2043
 
        # test randomising by listing a number of tests.
2044
 
        expected = self.run_selftest(test_suite_factory=self.factory,
2045
 
            list_only=True, random_seed="123")
2046
 
        repeated = self.run_selftest(test_suite_factory=self.factory,
2047
 
            list_only=True, random_seed="123")
2048
 
        self.assertEqual(expected.getvalue(), repeated.getvalue())
2049
 
 
2050
 
    def test_runner_class(self):
2051
 
        self.requireFeature(features.subunit)
2052
 
        from subunit import ProtocolTestCase
2053
 
        stream = self.run_selftest(runner_class=tests.SubUnitBzrRunner,
2054
 
            test_suite_factory=self.factory)
2055
 
        test = ProtocolTestCase(stream)
2056
 
        result = unittest.TestResult()
2057
 
        test.run(result)
2058
 
        self.assertEqual(3, result.testsRun)
2059
 
 
2060
 
    def test_starting_with_single_argument(self):
2061
 
        output = self.run_selftest(test_suite_factory=self.factory,
2062
 
            starting_with=['bzrlib.tests.test_selftest.Test.a'],
2063
 
            list_only=True)
2064
 
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n',
2065
 
            output.getvalue())
2066
 
 
2067
 
    def test_starting_with_multiple_argument(self):
2068
 
        output = self.run_selftest(test_suite_factory=self.factory,
2069
 
            starting_with=['bzrlib.tests.test_selftest.Test.a',
2070
 
                'bzrlib.tests.test_selftest.Test.b'],
2071
 
            list_only=True)
2072
 
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n'
2073
 
            'bzrlib.tests.test_selftest.Test.b\n',
2074
 
            output.getvalue())
2075
 
 
2076
 
    def check_transport_set(self, transport_server):
2077
 
        captured_transport = []
2078
 
        def seen_transport(a_transport):
2079
 
            captured_transport.append(a_transport)
2080
 
        class Capture(tests.TestCase):
2081
 
            def a(self):
2082
 
                seen_transport(bzrlib.tests.default_transport)
2083
 
        def factory():
2084
 
            return TestUtil.TestSuite([Capture("a")])
2085
 
        self.run_selftest(transport=transport_server, test_suite_factory=factory)
2086
 
        self.assertEqual(transport_server, captured_transport[0])
2087
 
 
2088
 
    def test_transport_sftp(self):
2089
 
        self.requireFeature(features.paramiko)
2090
 
        from bzrlib.tests import stub_sftp
2091
 
        self.check_transport_set(stub_sftp.SFTPAbsoluteServer)
2092
 
 
2093
 
    def test_transport_memory(self):
2094
 
        self.check_transport_set(memory.MemoryServer)
2095
 
 
2096
 
 
2097
 
class TestSelftestWithIdList(tests.TestCaseInTempDir, SelfTestHelper):
2098
 
    # Does IO: reads test.list
2099
 
 
2100
 
    def test_load_list(self):
2101
 
        # Provide a list with one test - this test.
2102
 
        test_id_line = '%s\n' % self.id()
2103
 
        self.build_tree_contents([('test.list', test_id_line)])
2104
 
        # And generate a list of the tests in  the suite.
2105
 
        stream = self.run_selftest(load_list='test.list', list_only=True)
2106
 
        self.assertEqual(test_id_line, stream.getvalue())
2107
 
 
2108
 
    def test_load_unknown(self):
2109
 
        # Provide a list with one test - this test.
2110
 
        # And generate a list of the tests in  the suite.
2111
 
        err = self.assertRaises(errors.NoSuchFile, self.run_selftest,
2112
 
            load_list='missing file name', list_only=True)
2113
 
 
2114
 
 
2115
 
class TestSubunitLogDetails(tests.TestCase, SelfTestHelper):
2116
 
 
2117
 
    _test_needs_features = [features.subunit]
2118
 
 
2119
 
    def run_subunit_stream(self, test_name):
2120
 
        from subunit import ProtocolTestCase
2121
 
        def factory():
2122
 
            return TestUtil.TestSuite([_get_test(test_name)])
2123
 
        stream = self.run_selftest(runner_class=tests.SubUnitBzrRunner,
2124
 
            test_suite_factory=factory)
2125
 
        test = ProtocolTestCase(stream)
2126
 
        result = testtools.TestResult()
2127
 
        test.run(result)
2128
 
        content = stream.getvalue()
2129
 
        return content, result
2130
 
 
2131
 
    def test_fail_has_log(self):
2132
 
        content, result = self.run_subunit_stream('test_fail')
2133
 
        self.assertEqual(1, len(result.failures))
2134
 
        self.assertContainsRe(content, '(?m)^log$')
2135
 
        self.assertContainsRe(content, 'this test will fail')
2136
 
 
2137
 
    def test_error_has_log(self):
2138
 
        content, result = self.run_subunit_stream('test_error')
2139
 
        self.assertContainsRe(content, '(?m)^log$')
2140
 
        self.assertContainsRe(content, 'this test errored')
2141
 
 
2142
 
    def test_skip_has_no_log(self):
2143
 
        content, result = self.run_subunit_stream('test_skip')
2144
 
        self.assertNotContainsRe(content, '(?m)^log$')
2145
 
        self.assertNotContainsRe(content, 'this test will be skipped')
2146
 
        self.assertEqual(['reason'], result.skip_reasons.keys())
2147
 
        skips = result.skip_reasons['reason']
2148
 
        self.assertEqual(1, len(skips))
2149
 
        test = skips[0]
2150
 
        # RemotedTestCase doesn't preserve the "details"
2151
 
        ## self.assertFalse('log' in test.getDetails())
2152
 
 
2153
 
    def test_missing_feature_has_no_log(self):
2154
 
        content, result = self.run_subunit_stream('test_missing_feature')
2155
 
        self.assertNotContainsRe(content, '(?m)^log$')
2156
 
        self.assertNotContainsRe(content, 'missing the feature')
2157
 
        self.assertEqual(['_MissingFeature\n'], result.skip_reasons.keys())
2158
 
        skips = result.skip_reasons['_MissingFeature\n']
2159
 
        self.assertEqual(1, len(skips))
2160
 
        test = skips[0]
2161
 
        # RemotedTestCase doesn't preserve the "details"
2162
 
        ## self.assertFalse('log' in test.getDetails())
2163
 
 
2164
 
    def test_xfail_has_no_log(self):
2165
 
        content, result = self.run_subunit_stream('test_xfail')
2166
 
        self.assertNotContainsRe(content, '(?m)^log$')
2167
 
        self.assertNotContainsRe(content, 'test with expected failure')
2168
 
        self.assertEqual(1, len(result.expectedFailures))
2169
 
        result_content = result.expectedFailures[0][1]
2170
 
        self.assertNotContainsRe(result_content, 'Text attachment: log')
2171
 
        self.assertNotContainsRe(result_content, 'test with expected failure')
2172
 
 
2173
 
    def test_unexpected_success_has_log(self):
2174
 
        content, result = self.run_subunit_stream('test_unexpected_success')
2175
 
        self.assertContainsRe(content, '(?m)^log$')
2176
 
        self.assertContainsRe(content, 'test with unexpected success')
2177
 
        self.expectFailure('subunit treats "unexpectedSuccess"'
2178
 
                           ' as a plain success',
2179
 
            self.assertEqual, 1, len(result.unexpectedSuccesses))
2180
 
        self.assertEqual(1, len(result.unexpectedSuccesses))
2181
 
        test = result.unexpectedSuccesses[0]
2182
 
        # RemotedTestCase doesn't preserve the "details"
2183
 
        ## self.assertTrue('log' in test.getDetails())
2184
 
 
2185
 
    def test_success_has_no_log(self):
2186
 
        content, result = self.run_subunit_stream('test_success')
2187
 
        self.assertEqual(1, result.testsRun)
2188
 
        self.assertNotContainsRe(content, '(?m)^log$')
2189
 
        self.assertNotContainsRe(content, 'this test succeeds')
2190
 
 
2191
 
 
2192
 
class TestRunBzr(tests.TestCase):
2193
 
 
2194
 
    out = ''
2195
 
    err = ''
2196
 
 
2197
 
    def _run_bzr_core(self, argv, retcode=0, encoding=None, stdin=None,
2198
 
                         working_dir=None):
2199
 
        """Override _run_bzr_core to test how it is invoked by run_bzr.
2200
 
 
2201
 
        Attempts to run bzr from inside this class don't actually run it.
2202
 
 
2203
 
        We test how run_bzr actually invokes bzr in another location.  Here we
2204
 
        only need to test that it passes the right parameters to run_bzr.
2205
 
        """
2206
 
        self.argv = list(argv)
2207
 
        self.retcode = retcode
2208
 
        self.encoding = encoding
2209
 
        self.stdin = stdin
2210
 
        self.working_dir = working_dir
2211
 
        return self.retcode, self.out, self.err
2212
 
 
2213
 
    def test_run_bzr_error(self):
2214
 
        self.out = "It sure does!\n"
2215
 
        out, err = self.run_bzr_error(['^$'], ['rocks'], retcode=34)
2216
 
        self.assertEqual(['rocks'], self.argv)
2217
 
        self.assertEqual(34, self.retcode)
2218
 
        self.assertEqual('It sure does!\n', out)
2219
 
        self.assertEquals(out, self.out)
2220
 
        self.assertEqual('', err)
2221
 
        self.assertEquals(err, self.err)
2222
 
 
2223
 
    def test_run_bzr_error_regexes(self):
2224
 
        self.out = ''
2225
 
        self.err = "bzr: ERROR: foobarbaz is not versioned"
2226
 
        out, err = self.run_bzr_error(
2227
 
            ["bzr: ERROR: foobarbaz is not versioned"],
2228
 
            ['file-id', 'foobarbaz'])
2229
 
 
2230
 
    def test_encoding(self):
2231
 
        """Test that run_bzr passes encoding to _run_bzr_core"""
2232
 
        self.run_bzr('foo bar')
2233
 
        self.assertEqual(None, self.encoding)
2234
 
        self.assertEqual(['foo', 'bar'], self.argv)
2235
 
 
2236
 
        self.run_bzr('foo bar', encoding='baz')
2237
 
        self.assertEqual('baz', self.encoding)
2238
 
        self.assertEqual(['foo', 'bar'], self.argv)
2239
 
 
2240
 
    def test_retcode(self):
2241
 
        """Test that run_bzr passes retcode to _run_bzr_core"""
2242
 
        # Default is retcode == 0
2243
 
        self.run_bzr('foo bar')
2244
 
        self.assertEqual(0, self.retcode)
2245
 
        self.assertEqual(['foo', 'bar'], self.argv)
2246
 
 
2247
 
        self.run_bzr('foo bar', retcode=1)
2248
 
        self.assertEqual(1, self.retcode)
2249
 
        self.assertEqual(['foo', 'bar'], self.argv)
2250
 
 
2251
 
        self.run_bzr('foo bar', retcode=None)
2252
 
        self.assertEqual(None, self.retcode)
2253
 
        self.assertEqual(['foo', 'bar'], self.argv)
2254
 
 
2255
 
        self.run_bzr(['foo', 'bar'], retcode=3)
2256
 
        self.assertEqual(3, self.retcode)
2257
 
        self.assertEqual(['foo', 'bar'], self.argv)
2258
 
 
2259
 
    def test_stdin(self):
2260
 
        # test that the stdin keyword to run_bzr is passed through to
2261
 
        # _run_bzr_core as-is. We do this by overriding
2262
 
        # _run_bzr_core in this class, and then calling run_bzr,
2263
 
        # which is a convenience function for _run_bzr_core, so
2264
 
        # should invoke it.
2265
 
        self.run_bzr('foo bar', stdin='gam')
2266
 
        self.assertEqual('gam', self.stdin)
2267
 
        self.assertEqual(['foo', 'bar'], self.argv)
2268
 
 
2269
 
        self.run_bzr('foo bar', stdin='zippy')
2270
 
        self.assertEqual('zippy', self.stdin)
2271
 
        self.assertEqual(['foo', 'bar'], self.argv)
2272
 
 
2273
 
    def test_working_dir(self):
2274
 
        """Test that run_bzr passes working_dir to _run_bzr_core"""
2275
 
        self.run_bzr('foo bar')
2276
 
        self.assertEqual(None, self.working_dir)
2277
 
        self.assertEqual(['foo', 'bar'], self.argv)
2278
 
 
2279
 
        self.run_bzr('foo bar', working_dir='baz')
2280
 
        self.assertEqual('baz', self.working_dir)
2281
 
        self.assertEqual(['foo', 'bar'], self.argv)
2282
 
 
2283
 
    def test_reject_extra_keyword_arguments(self):
2284
 
        self.assertRaises(TypeError, self.run_bzr, "foo bar",
2285
 
                          error_regex=['error message'])
2286
 
 
2287
 
 
2288
 
class TestRunBzrCaptured(tests.TestCaseWithTransport):
2289
 
    # Does IO when testing the working_dir parameter.
2290
 
 
2291
 
    def apply_redirected(self, stdin=None, stdout=None, stderr=None,
2292
 
                         a_callable=None, *args, **kwargs):
2293
 
        self.stdin = stdin
2294
 
        self.factory_stdin = getattr(bzrlib.ui.ui_factory, "stdin", None)
2295
 
        self.factory = bzrlib.ui.ui_factory
2296
 
        self.working_dir = osutils.getcwd()
2297
 
        stdout.write('foo\n')
2298
 
        stderr.write('bar\n')
2299
 
        return 0
2300
 
 
2301
 
    def test_stdin(self):
2302
 
        # test that the stdin keyword to _run_bzr_core is passed through to
2303
 
        # apply_redirected as a StringIO. We do this by overriding
2304
 
        # apply_redirected in this class, and then calling _run_bzr_core,
2305
 
        # which calls apply_redirected.
2306
 
        self.run_bzr(['foo', 'bar'], stdin='gam')
2307
 
        self.assertEqual('gam', self.stdin.read())
2308
 
        self.assertTrue(self.stdin is self.factory_stdin)
2309
 
        self.run_bzr(['foo', 'bar'], stdin='zippy')
2310
 
        self.assertEqual('zippy', self.stdin.read())
2311
 
        self.assertTrue(self.stdin is self.factory_stdin)
2312
 
 
2313
 
    def test_ui_factory(self):
2314
 
        # each invocation of self.run_bzr should get its
2315
 
        # own UI factory, which is an instance of TestUIFactory,
2316
 
        # with stdin, stdout and stderr attached to the stdin,
2317
 
        # stdout and stderr of the invoked run_bzr
2318
 
        current_factory = bzrlib.ui.ui_factory
2319
 
        self.run_bzr(['foo'])
2320
 
        self.assertFalse(current_factory is self.factory)
2321
 
        self.assertNotEqual(sys.stdout, self.factory.stdout)
2322
 
        self.assertNotEqual(sys.stderr, self.factory.stderr)
2323
 
        self.assertEqual('foo\n', self.factory.stdout.getvalue())
2324
 
        self.assertEqual('bar\n', self.factory.stderr.getvalue())
2325
 
        self.assertIsInstance(self.factory, tests.TestUIFactory)
2326
 
 
2327
 
    def test_working_dir(self):
2328
 
        self.build_tree(['one/', 'two/'])
2329
 
        cwd = osutils.getcwd()
2330
 
 
2331
 
        # Default is to work in the current directory
2332
 
        self.run_bzr(['foo', 'bar'])
2333
 
        self.assertEqual(cwd, self.working_dir)
2334
 
 
2335
 
        self.run_bzr(['foo', 'bar'], working_dir=None)
2336
 
        self.assertEqual(cwd, self.working_dir)
2337
 
 
2338
 
        # The function should be run in the alternative directory
2339
 
        # but afterwards the current working dir shouldn't be changed
2340
 
        self.run_bzr(['foo', 'bar'], working_dir='one')
2341
 
        self.assertNotEqual(cwd, self.working_dir)
2342
 
        self.assertEndsWith(self.working_dir, 'one')
2343
 
        self.assertEqual(cwd, osutils.getcwd())
2344
 
 
2345
 
        self.run_bzr(['foo', 'bar'], working_dir='two')
2346
 
        self.assertNotEqual(cwd, self.working_dir)
2347
 
        self.assertEndsWith(self.working_dir, 'two')
2348
 
        self.assertEqual(cwd, osutils.getcwd())
2349
 
 
2350
 
 
2351
 
class StubProcess(object):
2352
 
    """A stub process for testing run_bzr_subprocess."""
2353
 
    
2354
 
    def __init__(self, out="", err="", retcode=0):
2355
 
        self.out = out
2356
 
        self.err = err
2357
 
        self.returncode = retcode
2358
 
 
2359
 
    def communicate(self):
2360
 
        return self.out, self.err
2361
 
 
2362
 
 
2363
 
class TestWithFakedStartBzrSubprocess(tests.TestCaseWithTransport):
2364
 
    """Base class for tests testing how we might run bzr."""
2365
 
 
2366
 
    def setUp(self):
2367
 
        tests.TestCaseWithTransport.setUp(self)
2368
 
        self.subprocess_calls = []
2369
 
 
2370
 
    def start_bzr_subprocess(self, process_args, env_changes=None,
2371
 
                             skip_if_plan_to_signal=False,
2372
 
                             working_dir=None,
2373
 
                             allow_plugins=False):
2374
 
        """capture what run_bzr_subprocess tries to do."""
2375
 
        self.subprocess_calls.append({'process_args':process_args,
2376
 
            'env_changes':env_changes,
2377
 
            'skip_if_plan_to_signal':skip_if_plan_to_signal,
2378
 
            'working_dir':working_dir, 'allow_plugins':allow_plugins})
2379
 
        return self.next_subprocess
2380
 
 
2381
 
 
2382
 
class TestRunBzrSubprocess(TestWithFakedStartBzrSubprocess):
2383
 
 
2384
 
    def assertRunBzrSubprocess(self, expected_args, process, *args, **kwargs):
2385
 
        """Run run_bzr_subprocess with args and kwargs using a stubbed process.
2386
 
 
2387
 
        Inside TestRunBzrSubprocessCommands we use a stub start_bzr_subprocess
2388
 
        that will return static results. This assertion method populates those
2389
 
        results and also checks the arguments run_bzr_subprocess generates.
2390
 
        """
2391
 
        self.next_subprocess = process
2392
 
        try:
2393
 
            result = self.run_bzr_subprocess(*args, **kwargs)
2394
 
        except:
2395
 
            self.next_subprocess = None
2396
 
            for key, expected in expected_args.iteritems():
2397
 
                self.assertEqual(expected, self.subprocess_calls[-1][key])
2398
 
            raise
2399
 
        else:
2400
 
            self.next_subprocess = None
2401
 
            for key, expected in expected_args.iteritems():
2402
 
                self.assertEqual(expected, self.subprocess_calls[-1][key])
2403
 
            return result
2404
 
 
2405
 
    def test_run_bzr_subprocess(self):
2406
 
        """The run_bzr_helper_external command behaves nicely."""
2407
 
        self.assertRunBzrSubprocess({'process_args':['--version']},
2408
 
            StubProcess(), '--version')
2409
 
        self.assertRunBzrSubprocess({'process_args':['--version']},
2410
 
            StubProcess(), ['--version'])
2411
 
        # retcode=None disables retcode checking
2412
 
        result = self.assertRunBzrSubprocess({},
2413
 
            StubProcess(retcode=3), '--version', retcode=None)
2414
 
        result = self.assertRunBzrSubprocess({},
2415
 
            StubProcess(out="is free software"), '--version')
2416
 
        self.assertContainsRe(result[0], 'is free software')
2417
 
        # Running a subcommand that is missing errors
2418
 
        self.assertRaises(AssertionError, self.assertRunBzrSubprocess,
2419
 
            {'process_args':['--versionn']}, StubProcess(retcode=3),
2420
 
            '--versionn')
2421
 
        # Unless it is told to expect the error from the subprocess
2422
 
        result = self.assertRunBzrSubprocess({},
2423
 
            StubProcess(retcode=3), '--versionn', retcode=3)
2424
 
        # Or to ignore retcode checking
2425
 
        result = self.assertRunBzrSubprocess({},
2426
 
            StubProcess(err="unknown command", retcode=3), '--versionn',
2427
 
            retcode=None)
2428
 
        self.assertContainsRe(result[1], 'unknown command')
2429
 
 
2430
 
    def test_env_change_passes_through(self):
2431
 
        self.assertRunBzrSubprocess(
2432
 
            {'env_changes':{'new':'value', 'changed':'newvalue', 'deleted':None}},
2433
 
            StubProcess(), '',
2434
 
            env_changes={'new':'value', 'changed':'newvalue', 'deleted':None})
2435
 
 
2436
 
    def test_no_working_dir_passed_as_None(self):
2437
 
        self.assertRunBzrSubprocess({'working_dir': None}, StubProcess(), '')
2438
 
 
2439
 
    def test_no_working_dir_passed_through(self):
2440
 
        self.assertRunBzrSubprocess({'working_dir': 'dir'}, StubProcess(), '',
2441
 
            working_dir='dir')
2442
 
 
2443
 
    def test_run_bzr_subprocess_no_plugins(self):
2444
 
        self.assertRunBzrSubprocess({'allow_plugins': False},
2445
 
            StubProcess(), '')
2446
 
 
2447
 
    def test_allow_plugins(self):
2448
 
        self.assertRunBzrSubprocess({'allow_plugins': True},
2449
 
            StubProcess(), '', allow_plugins=True)
2450
 
 
2451
 
 
2452
 
class TestFinishBzrSubprocess(TestWithFakedStartBzrSubprocess):
2453
 
 
2454
 
    def test_finish_bzr_subprocess_with_error(self):
2455
 
        """finish_bzr_subprocess allows specification of the desired exit code.
2456
 
        """
2457
 
        process = StubProcess(err="unknown command", retcode=3)
2458
 
        result = self.finish_bzr_subprocess(process, retcode=3)
2459
 
        self.assertEqual('', result[0])
2460
 
        self.assertContainsRe(result[1], 'unknown command')
2461
 
 
2462
 
    def test_finish_bzr_subprocess_ignoring_retcode(self):
2463
 
        """finish_bzr_subprocess allows the exit code to be ignored."""
2464
 
        process = StubProcess(err="unknown command", retcode=3)
2465
 
        result = self.finish_bzr_subprocess(process, retcode=None)
2466
 
        self.assertEqual('', result[0])
2467
 
        self.assertContainsRe(result[1], 'unknown command')
2468
 
 
2469
 
    def test_finish_subprocess_with_unexpected_retcode(self):
2470
 
        """finish_bzr_subprocess raises self.failureException if the retcode is
2471
 
        not the expected one.
2472
 
        """
2473
 
        process = StubProcess(err="unknown command", retcode=3)
2474
 
        self.assertRaises(self.failureException, self.finish_bzr_subprocess,
2475
 
                          process)
2476
 
 
2477
 
 
2478
 
class _DontSpawnProcess(Exception):
2479
 
    """A simple exception which just allows us to skip unnecessary steps"""
2480
 
 
2481
 
 
2482
 
class TestStartBzrSubProcess(tests.TestCase):
2483
 
 
2484
 
    def check_popen_state(self):
2485
 
        """Replace to make assertions when popen is called."""
2486
 
 
2487
 
    def _popen(self, *args, **kwargs):
2488
 
        """Record the command that is run, so that we can ensure it is correct"""
2489
 
        self.check_popen_state()
2490
 
        self._popen_args = args
2491
 
        self._popen_kwargs = kwargs
2492
 
        raise _DontSpawnProcess()
2493
 
 
2494
 
    def test_run_bzr_subprocess_no_plugins(self):
2495
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [])
2496
 
        command = self._popen_args[0]
2497
 
        self.assertEqual(sys.executable, command[0])
2498
 
        self.assertEqual(self.get_bzr_path(), command[1])
2499
 
        self.assertEqual(['--no-plugins'], command[2:])
2500
 
 
2501
 
    def test_allow_plugins(self):
2502
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2503
 
            allow_plugins=True)
2504
 
        command = self._popen_args[0]
2505
 
        self.assertEqual([], command[2:])
2506
 
 
2507
 
    def test_set_env(self):
2508
 
        self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
2509
 
        # set in the child
2510
 
        def check_environment():
2511
 
            self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
2512
 
        self.check_popen_state = check_environment
2513
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2514
 
            env_changes={'EXISTANT_ENV_VAR':'set variable'})
2515
 
        # not set in theparent
2516
 
        self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
2517
 
 
2518
 
    def test_run_bzr_subprocess_env_del(self):
2519
 
        """run_bzr_subprocess can remove environment variables too."""
2520
 
        self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
2521
 
        def check_environment():
2522
 
            self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
2523
 
        os.environ['EXISTANT_ENV_VAR'] = 'set variable'
2524
 
        self.check_popen_state = check_environment
2525
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2526
 
            env_changes={'EXISTANT_ENV_VAR':None})
2527
 
        # Still set in parent
2528
 
        self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
2529
 
        del os.environ['EXISTANT_ENV_VAR']
2530
 
 
2531
 
    def test_env_del_missing(self):
2532
 
        self.assertFalse('NON_EXISTANT_ENV_VAR' in os.environ)
2533
 
        def check_environment():
2534
 
            self.assertFalse('NON_EXISTANT_ENV_VAR' in os.environ)
2535
 
        self.check_popen_state = check_environment
2536
 
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2537
 
            env_changes={'NON_EXISTANT_ENV_VAR':None})
2538
 
 
2539
 
    def test_working_dir(self):
2540
 
        """Test that we can specify the working dir for the child"""
2541
 
        orig_getcwd = osutils.getcwd
2542
 
        orig_chdir = os.chdir
2543
 
        chdirs = []
2544
 
        def chdir(path):
2545
 
            chdirs.append(path)
2546
 
        os.chdir = chdir
2547
 
        try:
2548
 
            def getcwd():
2549
 
                return 'current'
2550
 
            osutils.getcwd = getcwd
2551
 
            try:
2552
 
                self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
2553
 
                    working_dir='foo')
2554
 
            finally:
2555
 
                osutils.getcwd = orig_getcwd
2556
 
        finally:
2557
 
            os.chdir = orig_chdir
2558
 
        self.assertEqual(['foo', 'current'], chdirs)
2559
 
 
2560
 
    def test_get_bzr_path_with_cwd_bzrlib(self):
2561
 
        self.get_source_path = lambda: ""
2562
 
        self.overrideAttr(os.path, "isfile", lambda path: True)
2563
 
        self.assertEqual(self.get_bzr_path(), "bzr")
2564
 
 
2565
 
 
2566
 
class TestActuallyStartBzrSubprocess(tests.TestCaseWithTransport):
2567
 
    """Tests that really need to do things with an external bzr."""
2568
 
 
2569
 
    def test_start_and_stop_bzr_subprocess_send_signal(self):
2570
 
        """finish_bzr_subprocess raises self.failureException if the retcode is
2571
 
        not the expected one.
2572
 
        """
2573
 
        self.disable_missing_extensions_warning()
2574
 
        process = self.start_bzr_subprocess(['wait-until-signalled'],
2575
 
                                            skip_if_plan_to_signal=True)
2576
 
        self.assertEqual('running\n', process.stdout.readline())
2577
 
        result = self.finish_bzr_subprocess(process, send_signal=signal.SIGINT,
2578
 
                                            retcode=3)
2579
 
        self.assertEqual('', result[0])
2580
 
        self.assertEqual('bzr: interrupted\n', result[1])
2581
 
 
2582
 
 
2583
 
class TestFeature(tests.TestCase):
2584
 
 
2585
 
    def test_caching(self):
2586
 
        """Feature._probe is called by the feature at most once."""
2587
 
        class InstrumentedFeature(tests.Feature):
2588
 
            def __init__(self):
2589
 
                super(InstrumentedFeature, self).__init__()
2590
 
                self.calls = []
2591
 
            def _probe(self):
2592
 
                self.calls.append('_probe')
2593
 
                return False
2594
 
        feature = InstrumentedFeature()
2595
 
        feature.available()
2596
 
        self.assertEqual(['_probe'], feature.calls)
2597
 
        feature.available()
2598
 
        self.assertEqual(['_probe'], feature.calls)
2599
 
 
2600
 
    def test_named_str(self):
2601
 
        """Feature.__str__ should thunk to feature_name()."""
2602
 
        class NamedFeature(tests.Feature):
2603
 
            def feature_name(self):
2604
 
                return 'symlinks'
2605
 
        feature = NamedFeature()
2606
 
        self.assertEqual('symlinks', str(feature))
2607
 
 
2608
 
    def test_default_str(self):
2609
 
        """Feature.__str__ should default to __class__.__name__."""
2610
 
        class NamedFeature(tests.Feature):
2611
 
            pass
2612
 
        feature = NamedFeature()
2613
 
        self.assertEqual('NamedFeature', str(feature))
2614
 
 
2615
 
 
2616
 
class TestUnavailableFeature(tests.TestCase):
2617
 
 
2618
 
    def test_access_feature(self):
2619
 
        feature = tests.Feature()
2620
 
        exception = tests.UnavailableFeature(feature)
2621
 
        self.assertIs(feature, exception.args[0])
2622
 
 
2623
 
 
2624
 
simple_thunk_feature = tests._CompatabilityThunkFeature(
2625
 
    deprecated_in((2, 1, 0)),
2626
 
    'bzrlib.tests.test_selftest',
2627
 
    'simple_thunk_feature','UnicodeFilename',
2628
 
    replacement_module='bzrlib.tests'
2629
 
    )
2630
 
 
2631
 
class Test_CompatibilityFeature(tests.TestCase):
2632
 
 
2633
 
    def test_does_thunk(self):
2634
 
        res = self.callDeprecated(
2635
 
            ['bzrlib.tests.test_selftest.simple_thunk_feature was deprecated'
2636
 
             ' in version 2.1.0. Use bzrlib.tests.UnicodeFilename instead.'],
2637
 
            simple_thunk_feature.available)
2638
 
        self.assertEqual(tests.UnicodeFilename.available(), res)
2639
 
 
2640
 
 
2641
 
class TestModuleAvailableFeature(tests.TestCase):
2642
 
 
2643
 
    def test_available_module(self):
2644
 
        feature = tests.ModuleAvailableFeature('bzrlib.tests')
2645
 
        self.assertEqual('bzrlib.tests', feature.module_name)
2646
 
        self.assertEqual('bzrlib.tests', str(feature))
2647
 
        self.assertTrue(feature.available())
2648
 
        self.assertIs(tests, feature.module)
2649
 
 
2650
 
    def test_unavailable_module(self):
2651
 
        feature = tests.ModuleAvailableFeature('bzrlib.no_such_module_exists')
2652
 
        self.assertEqual('bzrlib.no_such_module_exists', str(feature))
2653
 
        self.assertFalse(feature.available())
2654
 
        self.assertIs(None, feature.module)
2655
 
 
2656
 
 
2657
 
class TestSelftestFiltering(tests.TestCase):
2658
 
 
2659
 
    def setUp(self):
2660
 
        tests.TestCase.setUp(self)
2661
 
        self.suite = TestUtil.TestSuite()
2662
 
        self.loader = TestUtil.TestLoader()
2663
 
        self.suite.addTest(self.loader.loadTestsFromModule(
2664
 
            sys.modules['bzrlib.tests.test_selftest']))
2665
 
        self.all_names = _test_ids(self.suite)
2666
 
 
2667
 
    def test_condition_id_re(self):
2668
 
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2669
 
            'test_condition_id_re')
2670
 
        filtered_suite = tests.filter_suite_by_condition(
2671
 
            self.suite, tests.condition_id_re('test_condition_id_re'))
2672
 
        self.assertEqual([test_name], _test_ids(filtered_suite))
2673
 
 
2674
 
    def test_condition_id_in_list(self):
2675
 
        test_names = ['bzrlib.tests.test_selftest.TestSelftestFiltering.'
2676
 
                      'test_condition_id_in_list']
2677
 
        id_list = tests.TestIdList(test_names)
2678
 
        filtered_suite = tests.filter_suite_by_condition(
2679
 
            self.suite, tests.condition_id_in_list(id_list))
2680
 
        my_pattern = 'TestSelftestFiltering.*test_condition_id_in_list'
2681
 
        re_filtered = tests.filter_suite_by_re(self.suite, my_pattern)
2682
 
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
2683
 
 
2684
 
    def test_condition_id_startswith(self):
2685
 
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
2686
 
        start1 = klass + 'test_condition_id_starts'
2687
 
        start2 = klass + 'test_condition_id_in'
2688
 
        test_names = [ klass + 'test_condition_id_in_list',
2689
 
                      klass + 'test_condition_id_startswith',
2690
 
                     ]
2691
 
        filtered_suite = tests.filter_suite_by_condition(
2692
 
            self.suite, tests.condition_id_startswith([start1, start2]))
2693
 
        self.assertEqual(test_names, _test_ids(filtered_suite))
2694
 
 
2695
 
    def test_condition_isinstance(self):
2696
 
        filtered_suite = tests.filter_suite_by_condition(
2697
 
            self.suite, tests.condition_isinstance(self.__class__))
2698
 
        class_pattern = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
2699
 
        re_filtered = tests.filter_suite_by_re(self.suite, class_pattern)
2700
 
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
2701
 
 
2702
 
    def test_exclude_tests_by_condition(self):
2703
 
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2704
 
            'test_exclude_tests_by_condition')
2705
 
        filtered_suite = tests.exclude_tests_by_condition(self.suite,
2706
 
            lambda x:x.id() == excluded_name)
2707
 
        self.assertEqual(len(self.all_names) - 1,
2708
 
            filtered_suite.countTestCases())
2709
 
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
2710
 
        remaining_names = list(self.all_names)
2711
 
        remaining_names.remove(excluded_name)
2712
 
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
2713
 
 
2714
 
    def test_exclude_tests_by_re(self):
2715
 
        self.all_names = _test_ids(self.suite)
2716
 
        filtered_suite = tests.exclude_tests_by_re(self.suite,
2717
 
                                                   'exclude_tests_by_re')
2718
 
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2719
 
            'test_exclude_tests_by_re')
2720
 
        self.assertEqual(len(self.all_names) - 1,
2721
 
            filtered_suite.countTestCases())
2722
 
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
2723
 
        remaining_names = list(self.all_names)
2724
 
        remaining_names.remove(excluded_name)
2725
 
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
2726
 
 
2727
 
    def test_filter_suite_by_condition(self):
2728
 
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2729
 
            'test_filter_suite_by_condition')
2730
 
        filtered_suite = tests.filter_suite_by_condition(self.suite,
2731
 
            lambda x:x.id() == test_name)
2732
 
        self.assertEqual([test_name], _test_ids(filtered_suite))
2733
 
 
2734
 
    def test_filter_suite_by_re(self):
2735
 
        filtered_suite = tests.filter_suite_by_re(self.suite,
2736
 
                                                  'test_filter_suite_by_r')
2737
 
        filtered_names = _test_ids(filtered_suite)
2738
 
        self.assertEqual(filtered_names, ['bzrlib.tests.test_selftest.'
2739
 
            'TestSelftestFiltering.test_filter_suite_by_re'])
2740
 
 
2741
 
    def test_filter_suite_by_id_list(self):
2742
 
        test_list = ['bzrlib.tests.test_selftest.'
2743
 
                     'TestSelftestFiltering.test_filter_suite_by_id_list']
2744
 
        filtered_suite = tests.filter_suite_by_id_list(
2745
 
            self.suite, tests.TestIdList(test_list))
2746
 
        filtered_names = _test_ids(filtered_suite)
2747
 
        self.assertEqual(
2748
 
            filtered_names,
2749
 
            ['bzrlib.tests.test_selftest.'
2750
 
             'TestSelftestFiltering.test_filter_suite_by_id_list'])
2751
 
 
2752
 
    def test_filter_suite_by_id_startswith(self):
2753
 
        # By design this test may fail if another test is added whose name also
2754
 
        # begins with one of the start value used.
2755
 
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
2756
 
        start1 = klass + 'test_filter_suite_by_id_starts'
2757
 
        start2 = klass + 'test_filter_suite_by_id_li'
2758
 
        test_list = [klass + 'test_filter_suite_by_id_list',
2759
 
                     klass + 'test_filter_suite_by_id_startswith',
2760
 
                     ]
2761
 
        filtered_suite = tests.filter_suite_by_id_startswith(
2762
 
            self.suite, [start1, start2])
2763
 
        self.assertEqual(
2764
 
            test_list,
2765
 
            _test_ids(filtered_suite),
2766
 
            )
2767
 
 
2768
 
    def test_preserve_input(self):
2769
 
        # NB: Surely this is something in the stdlib to do this?
2770
 
        self.assertTrue(self.suite is tests.preserve_input(self.suite))
2771
 
        self.assertTrue("@#$" is tests.preserve_input("@#$"))
2772
 
 
2773
 
    def test_randomize_suite(self):
2774
 
        randomized_suite = tests.randomize_suite(self.suite)
2775
 
        # randomizing should not add or remove test names.
2776
 
        self.assertEqual(set(_test_ids(self.suite)),
2777
 
                         set(_test_ids(randomized_suite)))
2778
 
        # Technically, this *can* fail, because random.shuffle(list) can be
2779
 
        # equal to list. Trying multiple times just pushes the frequency back.
2780
 
        # As its len(self.all_names)!:1, the failure frequency should be low
2781
 
        # enough to ignore. RBC 20071021.
2782
 
        # It should change the order.
2783
 
        self.assertNotEqual(self.all_names, _test_ids(randomized_suite))
2784
 
        # But not the length. (Possibly redundant with the set test, but not
2785
 
        # necessarily.)
2786
 
        self.assertEqual(len(self.all_names), len(_test_ids(randomized_suite)))
2787
 
 
2788
 
    def test_split_suit_by_condition(self):
2789
 
        self.all_names = _test_ids(self.suite)
2790
 
        condition = tests.condition_id_re('test_filter_suite_by_r')
2791
 
        split_suite = tests.split_suite_by_condition(self.suite, condition)
2792
 
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2793
 
            'test_filter_suite_by_re')
2794
 
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
2795
 
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
2796
 
        remaining_names = list(self.all_names)
2797
 
        remaining_names.remove(filtered_name)
2798
 
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
2799
 
 
2800
 
    def test_split_suit_by_re(self):
2801
 
        self.all_names = _test_ids(self.suite)
2802
 
        split_suite = tests.split_suite_by_re(self.suite,
2803
 
                                              'test_filter_suite_by_r')
2804
 
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
2805
 
            'test_filter_suite_by_re')
2806
 
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
2807
 
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
2808
 
        remaining_names = list(self.all_names)
2809
 
        remaining_names.remove(filtered_name)
2810
 
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
2811
 
 
2812
 
 
2813
 
class TestCheckInventoryShape(tests.TestCaseWithTransport):
2814
 
 
2815
 
    def test_check_inventory_shape(self):
2816
 
        files = ['a', 'b/', 'b/c']
2817
 
        tree = self.make_branch_and_tree('.')
2818
 
        self.build_tree(files)
2819
 
        tree.add(files)
2820
 
        tree.lock_read()
2821
 
        try:
2822
 
            self.check_inventory_shape(tree.inventory, files)
2823
 
        finally:
2824
 
            tree.unlock()
2825
 
 
2826
 
 
2827
 
class TestBlackboxSupport(tests.TestCase):
2828
 
    """Tests for testsuite blackbox features."""
2829
 
 
2830
 
    def test_run_bzr_failure_not_caught(self):
2831
 
        # When we run bzr in blackbox mode, we want any unexpected errors to
2832
 
        # propagate up to the test suite so that it can show the error in the
2833
 
        # usual way, and we won't get a double traceback.
2834
 
        e = self.assertRaises(
2835
 
            AssertionError,
2836
 
            self.run_bzr, ['assert-fail'])
2837
 
        # make sure we got the real thing, not an error from somewhere else in
2838
 
        # the test framework
2839
 
        self.assertEquals('always fails', str(e))
2840
 
        # check that there's no traceback in the test log
2841
 
        self.assertNotContainsRe(self.get_log(), r'Traceback')
2842
 
 
2843
 
    def test_run_bzr_user_error_caught(self):
2844
 
        # Running bzr in blackbox mode, normal/expected/user errors should be
2845
 
        # caught in the regular way and turned into an error message plus exit
2846
 
        # code.
2847
 
        transport_server = memory.MemoryServer()
2848
 
        transport_server.start_server()
2849
 
        self.addCleanup(transport_server.stop_server)
2850
 
        url = transport_server.get_url()
2851
 
        self.permit_url(url)
2852
 
        out, err = self.run_bzr(["log", "%s/nonexistantpath" % url], retcode=3)
2853
 
        self.assertEqual(out, '')
2854
 
        self.assertContainsRe(err,
2855
 
            'bzr: ERROR: Not a branch: ".*nonexistantpath/".\n')
2856
 
 
2857
 
 
2858
 
class TestTestLoader(tests.TestCase):
2859
 
    """Tests for the test loader."""
2860
 
 
2861
 
    def _get_loader_and_module(self):
2862
 
        """Gets a TestLoader and a module with one test in it."""
2863
 
        loader = TestUtil.TestLoader()
2864
 
        module = {}
2865
 
        class Stub(tests.TestCase):
2866
 
            def test_foo(self):
2867
 
                pass
2868
 
        class MyModule(object):
2869
 
            pass
2870
 
        MyModule.a_class = Stub
2871
 
        module = MyModule()
2872
 
        return loader, module
2873
 
 
2874
 
    def test_module_no_load_tests_attribute_loads_classes(self):
2875
 
        loader, module = self._get_loader_and_module()
2876
 
        self.assertEqual(1, loader.loadTestsFromModule(module).countTestCases())
2877
 
 
2878
 
    def test_module_load_tests_attribute_gets_called(self):
2879
 
        loader, module = self._get_loader_and_module()
2880
 
        # 'self' is here because we're faking the module with a class. Regular
2881
 
        # load_tests do not need that :)
2882
 
        def load_tests(self, standard_tests, module, loader):
2883
 
            result = loader.suiteClass()
2884
 
            for test in tests.iter_suite_tests(standard_tests):
2885
 
                result.addTests([test, test])
2886
 
            return result
2887
 
        # add a load_tests() method which multiplies the tests from the module.
2888
 
        module.__class__.load_tests = load_tests
2889
 
        self.assertEqual(2, loader.loadTestsFromModule(module).countTestCases())
2890
 
 
2891
 
    def test_load_tests_from_module_name_smoke_test(self):
2892
 
        loader = TestUtil.TestLoader()
2893
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2894
 
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
2895
 
                          _test_ids(suite))
2896
 
 
2897
 
    def test_load_tests_from_module_name_with_bogus_module_name(self):
2898
 
        loader = TestUtil.TestLoader()
2899
 
        self.assertRaises(ImportError, loader.loadTestsFromModuleName, 'bogus')
2900
 
 
2901
 
 
2902
 
class TestTestIdList(tests.TestCase):
2903
 
 
2904
 
    def _create_id_list(self, test_list):
2905
 
        return tests.TestIdList(test_list)
2906
 
 
2907
 
    def _create_suite(self, test_id_list):
2908
 
 
2909
 
        class Stub(tests.TestCase):
2910
 
            def test_foo(self):
2911
 
                pass
2912
 
 
2913
 
        def _create_test_id(id):
2914
 
            return lambda: id
2915
 
 
2916
 
        suite = TestUtil.TestSuite()
2917
 
        for id in test_id_list:
2918
 
            t  = Stub('test_foo')
2919
 
            t.id = _create_test_id(id)
2920
 
            suite.addTest(t)
2921
 
        return suite
2922
 
 
2923
 
    def _test_ids(self, test_suite):
2924
 
        """Get the ids for the tests in a test suite."""
2925
 
        return [t.id() for t in tests.iter_suite_tests(test_suite)]
2926
 
 
2927
 
    def test_empty_list(self):
2928
 
        id_list = self._create_id_list([])
2929
 
        self.assertEquals({}, id_list.tests)
2930
 
        self.assertEquals({}, id_list.modules)
2931
 
 
2932
 
    def test_valid_list(self):
2933
 
        id_list = self._create_id_list(
2934
 
            ['mod1.cl1.meth1', 'mod1.cl1.meth2',
2935
 
             'mod1.func1', 'mod1.cl2.meth2',
2936
 
             'mod1.submod1',
2937
 
             'mod1.submod2.cl1.meth1', 'mod1.submod2.cl2.meth2',
2938
 
             ])
2939
 
        self.assertTrue(id_list.refers_to('mod1'))
2940
 
        self.assertTrue(id_list.refers_to('mod1.submod1'))
2941
 
        self.assertTrue(id_list.refers_to('mod1.submod2'))
2942
 
        self.assertTrue(id_list.includes('mod1.cl1.meth1'))
2943
 
        self.assertTrue(id_list.includes('mod1.submod1'))
2944
 
        self.assertTrue(id_list.includes('mod1.func1'))
2945
 
 
2946
 
    def test_bad_chars_in_params(self):
2947
 
        id_list = self._create_id_list(['mod1.cl1.meth1(xx.yy)'])
2948
 
        self.assertTrue(id_list.refers_to('mod1'))
2949
 
        self.assertTrue(id_list.includes('mod1.cl1.meth1(xx.yy)'))
2950
 
 
2951
 
    def test_module_used(self):
2952
 
        id_list = self._create_id_list(['mod.class.meth'])
2953
 
        self.assertTrue(id_list.refers_to('mod'))
2954
 
        self.assertTrue(id_list.refers_to('mod.class'))
2955
 
        self.assertTrue(id_list.refers_to('mod.class.meth'))
2956
 
 
2957
 
    def test_test_suite_matches_id_list_with_unknown(self):
2958
 
        loader = TestUtil.TestLoader()
2959
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2960
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',
2961
 
                     'bogus']
2962
 
        not_found, duplicates = tests.suite_matches_id_list(suite, test_list)
2963
 
        self.assertEquals(['bogus'], not_found)
2964
 
        self.assertEquals([], duplicates)
2965
 
 
2966
 
    def test_suite_matches_id_list_with_duplicates(self):
2967
 
        loader = TestUtil.TestLoader()
2968
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
2969
 
        dupes = loader.suiteClass()
2970
 
        for test in tests.iter_suite_tests(suite):
2971
 
            dupes.addTest(test)
2972
 
            dupes.addTest(test) # Add it again
2973
 
 
2974
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',]
2975
 
        not_found, duplicates = tests.suite_matches_id_list(
2976
 
            dupes, test_list)
2977
 
        self.assertEquals([], not_found)
2978
 
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
2979
 
                          duplicates)
2980
 
 
2981
 
 
2982
 
class TestTestSuite(tests.TestCase):
2983
 
 
2984
 
    def test__test_suite_testmod_names(self):
2985
 
        # Test that a plausible list of test module names are returned
2986
 
        # by _test_suite_testmod_names.
2987
 
        test_list = tests._test_suite_testmod_names()
2988
 
        self.assertSubset([
2989
 
            'bzrlib.tests.blackbox',
2990
 
            'bzrlib.tests.per_transport',
2991
 
            'bzrlib.tests.test_selftest',
2992
 
            ],
2993
 
            test_list)
2994
 
 
2995
 
    def test__test_suite_modules_to_doctest(self):
2996
 
        # Test that a plausible list of modules to doctest is returned
2997
 
        # by _test_suite_modules_to_doctest.
2998
 
        test_list = tests._test_suite_modules_to_doctest()
2999
 
        if __doc__ is None:
3000
 
            # When docstrings are stripped, there are no modules to doctest
3001
 
            self.assertEqual([], test_list)
3002
 
            return
3003
 
        self.assertSubset([
3004
 
            'bzrlib.timestamp',
3005
 
            ],
3006
 
            test_list)
3007
 
 
3008
 
    def test_test_suite(self):
3009
 
        # test_suite() loads the entire test suite to operate. To avoid this
3010
 
        # overhead, and yet still be confident that things are happening,
3011
 
        # we temporarily replace two functions used by test_suite with 
3012
 
        # test doubles that supply a few sample tests to load, and check they
3013
 
        # are loaded.
3014
 
        calls = []
3015
 
        def testmod_names():
3016
 
            calls.append("testmod_names")
3017
 
            return [
3018
 
                'bzrlib.tests.blackbox.test_branch',
3019
 
                'bzrlib.tests.per_transport',
3020
 
                'bzrlib.tests.test_selftest',
3021
 
                ]
3022
 
        self.overrideAttr(tests, '_test_suite_testmod_names', testmod_names)
3023
 
        def doctests():
3024
 
            calls.append("modules_to_doctest")
3025
 
            if __doc__ is None:
3026
 
                return []
3027
 
            return ['bzrlib.timestamp']
3028
 
        self.overrideAttr(tests, '_test_suite_modules_to_doctest', doctests)
3029
 
        expected_test_list = [
3030
 
            # testmod_names
3031
 
            'bzrlib.tests.blackbox.test_branch.TestBranch.test_branch',
3032
 
            ('bzrlib.tests.per_transport.TransportTests'
3033
 
             '.test_abspath(LocalTransport,LocalURLServer)'),
3034
 
            'bzrlib.tests.test_selftest.TestTestSuite.test_test_suite',
3035
 
            # plugins can't be tested that way since selftest may be run with
3036
 
            # --no-plugins
3037
 
            ]
3038
 
        if __doc__ is not None:
3039
 
            expected_test_list.extend([
3040
 
                # modules_to_doctest
3041
 
                'bzrlib.timestamp.format_highres_date',
3042
 
                ])
3043
 
        suite = tests.test_suite()
3044
 
        self.assertEqual(set(["testmod_names", "modules_to_doctest"]),
3045
 
            set(calls))
3046
 
        self.assertSubset(expected_test_list, _test_ids(suite))
3047
 
 
3048
 
    def test_test_suite_list_and_start(self):
3049
 
        # We cannot test this at the same time as the main load, because we want
3050
 
        # to know that starting_with == None works. So a second load is
3051
 
        # incurred - note that the starting_with parameter causes a partial load
3052
 
        # rather than a full load so this test should be pretty quick.
3053
 
        test_list = ['bzrlib.tests.test_selftest.TestTestSuite.test_test_suite']
3054
 
        suite = tests.test_suite(test_list,
3055
 
                                 ['bzrlib.tests.test_selftest.TestTestSuite'])
3056
 
        # test_test_suite_list_and_start is not included 
3057
 
        self.assertEquals(test_list, _test_ids(suite))
3058
 
 
3059
 
 
3060
 
class TestLoadTestIdList(tests.TestCaseInTempDir):
3061
 
 
3062
 
    def _create_test_list_file(self, file_name, content):
3063
 
        fl = open(file_name, 'wt')
3064
 
        fl.write(content)
3065
 
        fl.close()
3066
 
 
3067
 
    def test_load_unknown(self):
3068
 
        self.assertRaises(errors.NoSuchFile,
3069
 
                          tests.load_test_id_list, 'i_do_not_exist')
3070
 
 
3071
 
    def test_load_test_list(self):
3072
 
        test_list_fname = 'test.list'
3073
 
        self._create_test_list_file(test_list_fname,
3074
 
                                    'mod1.cl1.meth1\nmod2.cl2.meth2\n')
3075
 
        tlist = tests.load_test_id_list(test_list_fname)
3076
 
        self.assertEquals(2, len(tlist))
3077
 
        self.assertEquals('mod1.cl1.meth1', tlist[0])
3078
 
        self.assertEquals('mod2.cl2.meth2', tlist[1])
3079
 
 
3080
 
    def test_load_dirty_file(self):
3081
 
        test_list_fname = 'test.list'
3082
 
        self._create_test_list_file(test_list_fname,
3083
 
                                    '  mod1.cl1.meth1\n\nmod2.cl2.meth2  \n'
3084
 
                                    'bar baz\n')
3085
 
        tlist = tests.load_test_id_list(test_list_fname)
3086
 
        self.assertEquals(4, len(tlist))
3087
 
        self.assertEquals('mod1.cl1.meth1', tlist[0])
3088
 
        self.assertEquals('', tlist[1])
3089
 
        self.assertEquals('mod2.cl2.meth2', tlist[2])
3090
 
        self.assertEquals('bar baz', tlist[3])
3091
 
 
3092
 
 
3093
 
class TestFilteredByModuleTestLoader(tests.TestCase):
3094
 
 
3095
 
    def _create_loader(self, test_list):
3096
 
        id_filter = tests.TestIdList(test_list)
3097
 
        loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
3098
 
        return loader
3099
 
 
3100
 
    def test_load_tests(self):
3101
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
3102
 
        loader = self._create_loader(test_list)
3103
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
3104
 
        self.assertEquals(test_list, _test_ids(suite))
3105
 
 
3106
 
    def test_exclude_tests(self):
3107
 
        test_list = ['bogus']
3108
 
        loader = self._create_loader(test_list)
3109
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
3110
 
        self.assertEquals([], _test_ids(suite))
3111
 
 
3112
 
 
3113
 
class TestFilteredByNameStartTestLoader(tests.TestCase):
3114
 
 
3115
 
    def _create_loader(self, name_start):
3116
 
        def needs_module(name):
3117
 
            return name.startswith(name_start) or name_start.startswith(name)
3118
 
        loader = TestUtil.FilteredByModuleTestLoader(needs_module)
3119
 
        return loader
3120
 
 
3121
 
    def test_load_tests(self):
3122
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
3123
 
        loader = self._create_loader('bzrlib.tests.test_samp')
3124
 
 
3125
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
3126
 
        self.assertEquals(test_list, _test_ids(suite))
3127
 
 
3128
 
    def test_load_tests_inside_module(self):
3129
 
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
3130
 
        loader = self._create_loader('bzrlib.tests.test_sampler.Demo')
3131
 
 
3132
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
3133
 
        self.assertEquals(test_list, _test_ids(suite))
3134
 
 
3135
 
    def test_exclude_tests(self):
3136
 
        test_list = ['bogus']
3137
 
        loader = self._create_loader('bogus')
3138
 
 
3139
 
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
3140
 
        self.assertEquals([], _test_ids(suite))
3141
 
 
3142
 
 
3143
 
class TestTestPrefixRegistry(tests.TestCase):
3144
 
 
3145
 
    def _get_registry(self):
3146
 
        tp_registry = tests.TestPrefixAliasRegistry()
3147
 
        return tp_registry
3148
 
 
3149
 
    def test_register_new_prefix(self):
3150
 
        tpr = self._get_registry()
3151
 
        tpr.register('foo', 'fff.ooo.ooo')
3152
 
        self.assertEquals('fff.ooo.ooo', tpr.get('foo'))
3153
 
 
3154
 
    def test_register_existing_prefix(self):
3155
 
        tpr = self._get_registry()
3156
 
        tpr.register('bar', 'bbb.aaa.rrr')
3157
 
        tpr.register('bar', 'bBB.aAA.rRR')
3158
 
        self.assertEquals('bbb.aaa.rrr', tpr.get('bar'))
3159
 
        self.assertThat(self.get_log(),
3160
 
            DocTestMatches("...bar...bbb.aaa.rrr...BB.aAA.rRR",
3161
 
                           doctest.ELLIPSIS))
3162
 
 
3163
 
    def test_get_unknown_prefix(self):
3164
 
        tpr = self._get_registry()
3165
 
        self.assertRaises(KeyError, tpr.get, 'I am not a prefix')
3166
 
 
3167
 
    def test_resolve_prefix(self):
3168
 
        tpr = self._get_registry()
3169
 
        tpr.register('bar', 'bb.aa.rr')
3170
 
        self.assertEquals('bb.aa.rr', tpr.resolve_alias('bar'))
3171
 
 
3172
 
    def test_resolve_unknown_alias(self):
3173
 
        tpr = self._get_registry()
3174
 
        self.assertRaises(errors.BzrCommandError,
3175
 
                          tpr.resolve_alias, 'I am not a prefix')
3176
 
 
3177
 
    def test_predefined_prefixes(self):
3178
 
        tpr = tests.test_prefix_alias_registry
3179
 
        self.assertEquals('bzrlib', tpr.resolve_alias('bzrlib'))
3180
 
        self.assertEquals('bzrlib.doc', tpr.resolve_alias('bd'))
3181
 
        self.assertEquals('bzrlib.utils', tpr.resolve_alias('bu'))
3182
 
        self.assertEquals('bzrlib.tests', tpr.resolve_alias('bt'))
3183
 
        self.assertEquals('bzrlib.tests.blackbox', tpr.resolve_alias('bb'))
3184
 
        self.assertEquals('bzrlib.plugins', tpr.resolve_alias('bp'))
3185
 
 
3186
 
 
3187
 
class TestThreadLeakDetection(tests.TestCase):
3188
 
    """Ensure when tests leak threads we detect and report it"""
3189
 
 
3190
 
    class LeakRecordingResult(tests.ExtendedTestResult):
3191
 
        def __init__(self):
3192
 
            tests.ExtendedTestResult.__init__(self, StringIO(), 0, 1)
3193
 
            self.leaks = []
3194
 
        def _report_thread_leak(self, test, leaks, alive):
3195
 
            self.leaks.append((test, leaks))
3196
 
 
3197
 
    def test_testcase_without_addCleanups(self):
3198
 
        """Check old TestCase instances don't break with leak detection"""
3199
 
        class Test(unittest.TestCase):
3200
 
            def runTest(self):
3201
 
                pass
3202
 
        result = self.LeakRecordingResult()
3203
 
        test = Test()
3204
 
        result.startTestRun()
3205
 
        test.run(result)
3206
 
        result.stopTestRun()
3207
 
        self.assertEqual(result._tests_leaking_threads_count, 0)
3208
 
        self.assertEqual(result.leaks, [])
3209
 
        
3210
 
    def test_thread_leak(self):
3211
 
        """Ensure a thread that outlives the running of a test is reported
3212
 
 
3213
 
        Uses a thread that blocks on an event, and is started by the inner
3214
 
        test case. As the thread outlives the inner case's run, it should be
3215
 
        detected as a leak, but the event is then set so that the thread can
3216
 
        be safely joined in cleanup so it's not leaked for real.
3217
 
        """
3218
 
        event = threading.Event()
3219
 
        thread = threading.Thread(name="Leaker", target=event.wait)
3220
 
        class Test(tests.TestCase):
3221
 
            def test_leak(self):
3222
 
                thread.start()
3223
 
        result = self.LeakRecordingResult()
3224
 
        test = Test("test_leak")
3225
 
        self.addCleanup(thread.join)
3226
 
        self.addCleanup(event.set)
3227
 
        result.startTestRun()
3228
 
        test.run(result)
3229
 
        result.stopTestRun()
3230
 
        self.assertEqual(result._tests_leaking_threads_count, 1)
3231
 
        self.assertEqual(result._first_thread_leaker_id, test.id())
3232
 
        self.assertEqual(result.leaks, [(test, set([thread]))])
3233
 
        self.assertContainsString(result.stream.getvalue(), "leaking threads")
3234
 
 
3235
 
    def test_multiple_leaks(self):
3236
 
        """Check multiple leaks are blamed on the test cases at fault
3237
 
 
3238
 
        Same concept as the previous test, but has one inner test method that
3239
 
        leaks two threads, and one that doesn't leak at all.
3240
 
        """
3241
 
        event = threading.Event()
3242
 
        thread_a = threading.Thread(name="LeakerA", target=event.wait)
3243
 
        thread_b = threading.Thread(name="LeakerB", target=event.wait)
3244
 
        thread_c = threading.Thread(name="LeakerC", target=event.wait)
3245
 
        class Test(tests.TestCase):
3246
 
            def test_first_leak(self):
3247
 
                thread_b.start()
3248
 
            def test_second_no_leak(self):
3249
 
                pass
3250
 
            def test_third_leak(self):
3251
 
                thread_c.start()
3252
 
                thread_a.start()
3253
 
        result = self.LeakRecordingResult()
3254
 
        first_test = Test("test_first_leak")
3255
 
        third_test = Test("test_third_leak")
3256
 
        self.addCleanup(thread_a.join)
3257
 
        self.addCleanup(thread_b.join)
3258
 
        self.addCleanup(thread_c.join)
3259
 
        self.addCleanup(event.set)
3260
 
        result.startTestRun()
3261
 
        unittest.TestSuite(
3262
 
            [first_test, Test("test_second_no_leak"), third_test]
3263
 
            ).run(result)
3264
 
        result.stopTestRun()
3265
 
        self.assertEqual(result._tests_leaking_threads_count, 2)
3266
 
        self.assertEqual(result._first_thread_leaker_id, first_test.id())
3267
 
        self.assertEqual(result.leaks, [
3268
 
            (first_test, set([thread_b])),
3269
 
            (third_test, set([thread_a, thread_c]))])
3270
 
        self.assertContainsString(result.stream.getvalue(), "leaking threads")
3271
 
 
3272
 
 
3273
 
class TestPostMortemDebugging(tests.TestCase):
3274
 
    """Check post mortem debugging works when tests fail or error"""
3275
 
 
3276
 
    class TracebackRecordingResult(tests.ExtendedTestResult):
3277
 
        def __init__(self):
3278
 
            tests.ExtendedTestResult.__init__(self, StringIO(), 0, 1)
3279
 
            self.postcode = None
3280
 
        def _post_mortem(self, tb=None):
3281
 
            """Record the code object at the end of the current traceback"""
3282
 
            tb = tb or sys.exc_info()[2]
3283
 
            if tb is not None:
3284
 
                next = tb.tb_next
3285
 
                while next is not None:
3286
 
                    tb = next
3287
 
                    next = next.tb_next
3288
 
                self.postcode = tb.tb_frame.f_code
3289
 
        def report_error(self, test, err):
3290
 
            pass
3291
 
        def report_failure(self, test, err):
3292
 
            pass
3293
 
 
3294
 
    def test_location_unittest_error(self):
3295
 
        """Needs right post mortem traceback with erroring unittest case"""
3296
 
        class Test(unittest.TestCase):
3297
 
            def runTest(self):
3298
 
                raise RuntimeError
3299
 
        result = self.TracebackRecordingResult()
3300
 
        Test().run(result)
3301
 
        self.assertEqual(result.postcode, Test.runTest.func_code)
3302
 
 
3303
 
    def test_location_unittest_failure(self):
3304
 
        """Needs right post mortem traceback with failing unittest case"""
3305
 
        class Test(unittest.TestCase):
3306
 
            def runTest(self):
3307
 
                raise self.failureException
3308
 
        result = self.TracebackRecordingResult()
3309
 
        Test().run(result)
3310
 
        self.assertEqual(result.postcode, Test.runTest.func_code)
3311
 
 
3312
 
    def test_location_bt_error(self):
3313
 
        """Needs right post mortem traceback with erroring bzrlib.tests case"""
3314
 
        class Test(tests.TestCase):
3315
 
            def test_error(self):
3316
 
                raise RuntimeError
3317
 
        result = self.TracebackRecordingResult()
3318
 
        Test("test_error").run(result)
3319
 
        self.assertEqual(result.postcode, Test.test_error.func_code)
3320
 
 
3321
 
    def test_location_bt_failure(self):
3322
 
        """Needs right post mortem traceback with failing bzrlib.tests case"""
3323
 
        class Test(tests.TestCase):
3324
 
            def test_failure(self):
3325
 
                raise self.failureException
3326
 
        result = self.TracebackRecordingResult()
3327
 
        Test("test_failure").run(result)
3328
 
        self.assertEqual(result.postcode, Test.test_failure.func_code)
3329
 
 
3330
 
    def test_env_var_triggers_post_mortem(self):
3331
 
        """Check pdb.post_mortem is called iff BZR_TEST_PDB is set"""
3332
 
        import pdb
3333
 
        result = tests.ExtendedTestResult(StringIO(), 0, 1)
3334
 
        post_mortem_calls = []
3335
 
        self.overrideAttr(pdb, "post_mortem", post_mortem_calls.append)
3336
 
        self.overrideEnv('BZR_TEST_PDB', None)
3337
 
        result._post_mortem(1)
3338
 
        self.overrideEnv('BZR_TEST_PDB', 'on')
3339
 
        result._post_mortem(2)
3340
 
        self.assertEqual([2], post_mortem_calls)
3341
 
 
3342
 
 
3343
 
class TestRunSuite(tests.TestCase):
3344
 
 
3345
 
    def test_runner_class(self):
3346
 
        """run_suite accepts and uses a runner_class keyword argument."""
3347
 
        class Stub(tests.TestCase):
3348
 
            def test_foo(self):
3349
 
                pass
3350
 
        suite = Stub("test_foo")
3351
 
        calls = []
3352
 
        class MyRunner(tests.TextTestRunner):
3353
 
            def run(self, test):
3354
 
                calls.append(test)
3355
 
                return tests.ExtendedTestResult(self.stream, self.descriptions,
3356
 
                                                self.verbosity)
3357
 
        tests.run_suite(suite, runner_class=MyRunner, stream=StringIO())
3358
 
        self.assertLength(1, calls)
3359
 
 
3360
 
 
3361
 
class TestEnvironHandling(tests.TestCase):
3362
 
 
3363
 
    def test_overrideEnv_None_called_twice_doesnt_leak(self):
3364
 
        self.assertFalse('MYVAR' in os.environ)
3365
 
        self.overrideEnv('MYVAR', '42')
3366
 
        # We use an embedded test to make sure we fix the _captureVar bug
3367
 
        class Test(tests.TestCase):
3368
 
            def test_me(self):
3369
 
                # The first call save the 42 value
3370
 
                self.overrideEnv('MYVAR', None)
3371
 
                self.assertEquals(None, os.environ.get('MYVAR'))
3372
 
                # Make sure we can call it twice
3373
 
                self.overrideEnv('MYVAR', None)
3374
 
                self.assertEquals(None, os.environ.get('MYVAR'))
3375
 
        output = StringIO()
3376
 
        result = tests.TextTestResult(output, 0, 1)
3377
 
        Test('test_me').run(result)
3378
 
        if not result.wasStrictlySuccessful():
3379
 
            self.fail(output.getvalue())
3380
 
        # We get our value back
3381
 
        self.assertEquals('42', os.environ.get('MYVAR'))
3382
 
 
3383
 
 
3384
 
class TestIsolatedEnv(tests.TestCase):
3385
 
    """Test isolating tests from os.environ.
3386
 
 
3387
 
    Since we use tests that are already isolated from os.environ a bit of care
3388
 
    should be taken when designing the tests to avoid bootstrap side-effects.
3389
 
    The tests start an already clean os.environ which allow doing valid
3390
 
    assertions about which variables are present or not and design tests around
3391
 
    these assertions.
3392
 
    """
3393
 
 
3394
 
    class ScratchMonkey(tests.TestCase):
3395
 
 
3396
 
        def test_me(self):
3397
 
            pass
3398
 
 
3399
 
    def test_basics(self):
3400
 
        # Make sure we know the definition of BZR_HOME: not part of os.environ
3401
 
        # for tests.TestCase.
3402
 
        self.assertTrue('BZR_HOME' in tests.isolated_environ)
3403
 
        self.assertEquals(None, tests.isolated_environ['BZR_HOME'])
3404
 
        # Being part of isolated_environ, BZR_HOME should not appear here
3405
 
        self.assertFalse('BZR_HOME' in os.environ)
3406
 
        # Make sure we know the definition of LINES: part of os.environ for
3407
 
        # tests.TestCase
3408
 
        self.assertTrue('LINES' in tests.isolated_environ)
3409
 
        self.assertEquals('25', tests.isolated_environ['LINES'])
3410
 
        self.assertEquals('25', os.environ['LINES'])
3411
 
 
3412
 
    def test_injecting_unknown_variable(self):
3413
 
        # BZR_HOME is known to be absent from os.environ
3414
 
        test = self.ScratchMonkey('test_me')
3415
 
        tests.override_os_environ(test, {'BZR_HOME': 'foo'})
3416
 
        self.assertEquals('foo', os.environ['BZR_HOME'])
3417
 
        tests.restore_os_environ(test)
3418
 
        self.assertFalse('BZR_HOME' in os.environ)
3419
 
 
3420
 
    def test_injecting_known_variable(self):
3421
 
        test = self.ScratchMonkey('test_me')
3422
 
        # LINES is known to be present in os.environ
3423
 
        tests.override_os_environ(test, {'LINES': '42'})
3424
 
        self.assertEquals('42', os.environ['LINES'])
3425
 
        tests.restore_os_environ(test)
3426
 
        self.assertEquals('25', os.environ['LINES'])
3427
 
 
3428
 
    def test_deleting_variable(self):
3429
 
        test = self.ScratchMonkey('test_me')
3430
 
        # LINES is known to be present in os.environ
3431
 
        tests.override_os_environ(test, {'LINES': None})
3432
 
        self.assertTrue('LINES' not in os.environ)
3433
 
        tests.restore_os_environ(test)
3434
 
        self.assertEquals('25', os.environ['LINES'])
3435
 
 
3436
 
 
3437
 
class TestDocTestSuiteIsolation(tests.TestCase):
3438
 
    """Test that `tests.DocTestSuite` isolates doc tests from os.environ.
3439
 
 
3440
 
    Since tests.TestCase alreay provides an isolation from os.environ, we use
3441
 
    the clean environment as a base for testing. To precisely capture the
3442
 
    isolation provided by tests.DocTestSuite, we use doctest.DocTestSuite to
3443
 
    compare against.
3444
 
 
3445
 
    We want to make sure `tests.DocTestSuite` respect `tests.isolated_environ`,
3446
 
    not `os.environ` so each test overrides it to suit its needs.
3447
 
 
3448
 
    """
3449
 
 
3450
 
    def get_doctest_suite_for_string(self, klass, string):
3451
 
        class Finder(doctest.DocTestFinder):
3452
 
 
3453
 
            def find(*args, **kwargs):
3454
 
                test = doctest.DocTestParser().get_doctest(
3455
 
                    string, {}, 'foo', 'foo.py', 0)
3456
 
                return [test]
3457
 
 
3458
 
        suite = klass(test_finder=Finder())
3459
 
        return suite
3460
 
 
3461
 
    def run_doctest_suite_for_string(self, klass, string):
3462
 
        suite = self.get_doctest_suite_for_string(klass, string)
3463
 
        output = StringIO()
3464
 
        result = tests.TextTestResult(output, 0, 1)
3465
 
        suite.run(result)
3466
 
        return result, output
3467
 
 
3468
 
    def assertDocTestStringSucceds(self, klass, string):
3469
 
        result, output = self.run_doctest_suite_for_string(klass, string)
3470
 
        if not result.wasStrictlySuccessful():
3471
 
            self.fail(output.getvalue())
3472
 
 
3473
 
    def assertDocTestStringFails(self, klass, string):
3474
 
        result, output = self.run_doctest_suite_for_string(klass, string)
3475
 
        if result.wasStrictlySuccessful():
3476
 
            self.fail(output.getvalue())
3477
 
 
3478
 
    def test_injected_variable(self):
3479
 
        self.overrideAttr(tests, 'isolated_environ', {'LINES': '42'})
3480
 
        test = """
3481
 
            >>> import os
3482
 
            >>> os.environ['LINES']
3483
 
            '42'
3484
 
            """
3485
 
        # doctest.DocTestSuite fails as it sees '25'
3486
 
        self.assertDocTestStringFails(doctest.DocTestSuite, test)
3487
 
        # tests.DocTestSuite sees '42'
3488
 
        self.assertDocTestStringSucceds(tests.IsolatedDocTestSuite, test)
3489
 
 
3490
 
    def test_deleted_variable(self):
3491
 
        self.overrideAttr(tests, 'isolated_environ', {'LINES': None})
3492
 
        test = """
3493
 
            >>> import os
3494
 
            >>> os.environ.get('LINES')
3495
 
            """
3496
 
        # doctest.DocTestSuite fails as it sees '25'
3497
 
        self.assertDocTestStringFails(doctest.DocTestSuite, test)
3498
 
        # tests.DocTestSuite sees None
3499
 
        self.assertDocTestStringSucceds(tests.IsolatedDocTestSuite, test)