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Viewing changes to bzrlib/tests/test_selftest.py

  • Committer: Vincent Ladeuil
  • Date: 2011-04-11 09:38:59 UTC
  • mfrom: (5609.33.1 2.3)
  • mto: This revision was merged to the branch mainline in revision 5783.
  • Revision ID: v.ladeuil+lp@free.fr-20110411093859-0gyunr0tkvnoskrm
Merge 2.3 to trunk

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