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Viewing changes to bzrlib/tests/test_selftest.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-07-11 16:28:42 UTC
  • mfrom: (2598.2.1 simple_no_split)
  • Revision ID: pqm@pqm.ubuntu.com-20070711162842-8fx9cc0c3ogyxudl
(John Arbash Meinel) Simple fix to avoid a .split('/') when we don't need it

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1
# Copyright (C) 2005, 2006, 2007 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Tests for the test framework."""
 
18
 
 
19
import cStringIO
 
20
import os
 
21
from StringIO import StringIO
 
22
import sys
 
23
import time
 
24
import unittest
 
25
import warnings
 
26
 
 
27
import bzrlib
 
28
from bzrlib import (
 
29
    bzrdir,
 
30
    errors,
 
31
    memorytree,
 
32
    osutils,
 
33
    repository,
 
34
    symbol_versioning,
 
35
    )
 
36
from bzrlib.progress import _BaseProgressBar
 
37
from bzrlib.repofmt import weaverepo
 
38
from bzrlib.symbol_versioning import zero_ten, zero_eleven
 
39
from bzrlib.tests import (
 
40
                          ChrootedTestCase,
 
41
                          ExtendedTestResult,
 
42
                          Feature,
 
43
                          KnownFailure,
 
44
                          TestCase,
 
45
                          TestCaseInTempDir,
 
46
                          TestCaseWithMemoryTransport,
 
47
                          TestCaseWithTransport,
 
48
                          TestSkipped,
 
49
                          TestSuite,
 
50
                          TestUtil,
 
51
                          TextTestRunner,
 
52
                          UnavailableFeature,
 
53
                          clean_selftest_output,
 
54
                          iter_suite_tests,
 
55
                          filter_suite_by_re,
 
56
                          sort_suite_by_re,
 
57
                          test_lsprof,
 
58
                          test_suite,
 
59
                          )
 
60
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
 
61
from bzrlib.tests.TestUtil import _load_module_by_name
 
62
from bzrlib.trace import note
 
63
from bzrlib.transport.memory import MemoryServer, MemoryTransport
 
64
from bzrlib.version import _get_bzr_source_tree
 
65
 
 
66
 
 
67
class SelftestTests(TestCase):
 
68
 
 
69
    def test_import_tests(self):
 
70
        mod = _load_module_by_name('bzrlib.tests.test_selftest')
 
71
        self.assertEqual(mod.SelftestTests, SelftestTests)
 
72
 
 
73
    def test_import_test_failure(self):
 
74
        self.assertRaises(ImportError,
 
75
                          _load_module_by_name,
 
76
                          'bzrlib.no-name-yet')
 
77
 
 
78
class MetaTestLog(TestCase):
 
79
 
 
80
    def test_logging(self):
 
81
        """Test logs are captured when a test fails."""
 
82
        self.log('a test message')
 
83
        self._log_file.flush()
 
84
        self.assertContainsRe(self._get_log(keep_log_file=True),
 
85
                              'a test message\n')
 
86
 
 
87
 
 
88
class TestTreeShape(TestCaseInTempDir):
 
89
 
 
90
    def test_unicode_paths(self):
 
91
        filename = u'hell\u00d8'
 
92
        try:
 
93
            self.build_tree_contents([(filename, 'contents of hello')])
 
94
        except UnicodeEncodeError:
 
95
            raise TestSkipped("can't build unicode working tree in "
 
96
                "filesystem encoding %s" % sys.getfilesystemencoding())
 
97
        self.failUnlessExists(filename)
 
98
 
 
99
 
 
100
class TestTransportProviderAdapter(TestCase):
 
101
    """A group of tests that test the transport implementation adaption core.
 
102
 
 
103
    This is a meta test that the tests are applied to all available 
 
104
    transports.
 
105
 
 
106
    This will be generalised in the future which is why it is in this 
 
107
    test file even though it is specific to transport tests at the moment.
 
108
    """
 
109
 
 
110
    def test_get_transport_permutations(self):
 
111
        # this checks that we the module get_test_permutations call
 
112
        # is made by the adapter get_transport_test_permitations method.
 
113
        class MockModule(object):
 
114
            def get_test_permutations(self):
 
115
                return sample_permutation
 
116
        sample_permutation = [(1,2), (3,4)]
 
117
        from bzrlib.tests.test_transport_implementations \
 
118
            import TransportTestProviderAdapter
 
119
        adapter = TransportTestProviderAdapter()
 
120
        self.assertEqual(sample_permutation,
 
121
                         adapter.get_transport_test_permutations(MockModule()))
 
122
 
 
123
    def test_adapter_checks_all_modules(self):
 
124
        # this checks that the adapter returns as many permurtations as
 
125
        # there are in all the registered# transport modules for there
 
126
        # - we assume if this matches its probably doing the right thing
 
127
        # especially in combination with the tests for setting the right
 
128
        # classes below.
 
129
        from bzrlib.tests.test_transport_implementations \
 
130
            import TransportTestProviderAdapter
 
131
        from bzrlib.transport import _get_transport_modules
 
132
        modules = _get_transport_modules()
 
133
        permutation_count = 0
 
134
        for module in modules:
 
135
            try:
 
136
                permutation_count += len(reduce(getattr, 
 
137
                    (module + ".get_test_permutations").split('.')[1:],
 
138
                     __import__(module))())
 
139
            except errors.DependencyNotPresent:
 
140
                pass
 
141
        input_test = TestTransportProviderAdapter(
 
142
            "test_adapter_sets_transport_class")
 
143
        adapter = TransportTestProviderAdapter()
 
144
        self.assertEqual(permutation_count,
 
145
                         len(list(iter(adapter.adapt(input_test)))))
 
146
 
 
147
    def test_adapter_sets_transport_class(self):
 
148
        # Check that the test adapter inserts a transport and server into the
 
149
        # generated test.
 
150
        #
 
151
        # This test used to know about all the possible transports and the
 
152
        # order they were returned but that seems overly brittle (mbp
 
153
        # 20060307)
 
154
        from bzrlib.tests.test_transport_implementations \
 
155
            import TransportTestProviderAdapter
 
156
        scenarios = TransportTestProviderAdapter().scenarios
 
157
        # there are at least that many builtin transports
 
158
        self.assertTrue(len(scenarios) > 6)
 
159
        one_scenario = scenarios[0]
 
160
        self.assertIsInstance(one_scenario[0], str)
 
161
        self.assertTrue(issubclass(one_scenario[1]["transport_class"],
 
162
                                   bzrlib.transport.Transport))
 
163
        self.assertTrue(issubclass(one_scenario[1]["transport_server"],
 
164
                                   bzrlib.transport.Server))
 
165
 
 
166
 
 
167
class TestBranchProviderAdapter(TestCase):
 
168
    """A group of tests that test the branch implementation test adapter."""
 
169
 
 
170
    def test_constructor(self):
 
171
        # check that constructor parameters are passed through to the adapted
 
172
        # test.
 
173
        from bzrlib.tests.branch_implementations import BranchTestProviderAdapter
 
174
        server1 = "a"
 
175
        server2 = "b"
 
176
        formats = [("c", "C"), ("d", "D")]
 
177
        adapter = BranchTestProviderAdapter(server1, server2, formats)
 
178
        self.assertEqual(2, len(adapter.scenarios))
 
179
        self.assertEqual([
 
180
            ('str',
 
181
             {'branch_format': 'c',
 
182
              'bzrdir_format': 'C',
 
183
              'transport_readonly_server': 'b',
 
184
              'transport_server': 'a'}),
 
185
            ('str',
 
186
             {'branch_format': 'd',
 
187
              'bzrdir_format': 'D',
 
188
              'transport_readonly_server': 'b',
 
189
              'transport_server': 'a'})],
 
190
            adapter.scenarios)
 
191
 
 
192
 
 
193
class TestBzrDirProviderAdapter(TestCase):
 
194
    """A group of tests that test the bzr dir implementation test adapter."""
 
195
 
 
196
    def test_adapted_tests(self):
 
197
        # check that constructor parameters are passed through to the adapted
 
198
        # test.
 
199
        from bzrlib.tests.bzrdir_implementations import BzrDirTestProviderAdapter
 
200
        vfs_factory = "v"
 
201
        server1 = "a"
 
202
        server2 = "b"
 
203
        formats = ["c", "d"]
 
204
        adapter = BzrDirTestProviderAdapter(vfs_factory,
 
205
            server1, server2, formats)
 
206
        self.assertEqual([
 
207
            ('str',
 
208
             {'bzrdir_format': 'c',
 
209
              'transport_readonly_server': 'b',
 
210
              'transport_server': 'a',
 
211
              'vfs_transport_factory': 'v'}),
 
212
            ('str',
 
213
             {'bzrdir_format': 'd',
 
214
              'transport_readonly_server': 'b',
 
215
              'transport_server': 'a',
 
216
              'vfs_transport_factory': 'v'})],
 
217
            adapter.scenarios)
 
218
 
 
219
 
 
220
class TestRepositoryProviderAdapter(TestCase):
 
221
    """A group of tests that test the repository implementation test adapter."""
 
222
 
 
223
    def test_constructor(self):
 
224
        # check that constructor parameters are passed through to the
 
225
        # scenarios.
 
226
        from bzrlib.tests.repository_implementations import RepositoryTestProviderAdapter
 
227
        server1 = "a"
 
228
        server2 = "b"
 
229
        formats = [("c", "C"), ("d", "D")]
 
230
        adapter = RepositoryTestProviderAdapter(server1, server2, formats)
 
231
        self.assertEqual([
 
232
            ('str',
 
233
             {'bzrdir_format': 'C',
 
234
              'repository_format': 'c',
 
235
              'transport_readonly_server': 'b',
 
236
              'transport_server': 'a'}),
 
237
            ('str',
 
238
             {'bzrdir_format': 'D',
 
239
              'repository_format': 'd',
 
240
              'transport_readonly_server': 'b',
 
241
              'transport_server': 'a'})],
 
242
            adapter.scenarios)
 
243
 
 
244
    def test_setting_vfs_transport(self):
 
245
        """The vfs_transport_factory can be set optionally."""
 
246
        from bzrlib.tests.repository_implementations import RepositoryTestProviderAdapter
 
247
        formats = [("a", "b"), ("c", "d")]
 
248
        adapter = RepositoryTestProviderAdapter(None, None, formats,
 
249
            vfs_transport_factory="vfs")
 
250
        self.assertEqual([
 
251
            ('str',
 
252
             {'bzrdir_format': 'b',
 
253
              'repository_format': 'a',
 
254
              'transport_readonly_server': None,
 
255
              'transport_server': None,
 
256
              'vfs_transport_factory': 'vfs'}),
 
257
            ('str',
 
258
             {'bzrdir_format': 'd',
 
259
              'repository_format': 'c',
 
260
              'transport_readonly_server': None,
 
261
              'transport_server': None,
 
262
              'vfs_transport_factory': 'vfs'})],
 
263
            adapter.scenarios)
 
264
 
 
265
    def test_formats_to_scenarios(self):
 
266
        """The adapter can generate all the scenarios needed."""
 
267
        from bzrlib.tests.repository_implementations import RepositoryTestProviderAdapter
 
268
        no_vfs_adapter = RepositoryTestProviderAdapter("server", "readonly",
 
269
            [], None)
 
270
        vfs_adapter = RepositoryTestProviderAdapter("server", "readonly",
 
271
            [], vfs_transport_factory="vfs")
 
272
        # no_vfs generate scenarios without vfs_transport_factor
 
273
        formats = [("c", "C"), (1, "D")]
 
274
        self.assertEqual([
 
275
            ('str',
 
276
             {'bzrdir_format': 'C',
 
277
              'repository_format': 'c',
 
278
              'transport_readonly_server': 'readonly',
 
279
              'transport_server': 'server'}),
 
280
            ('int',
 
281
             {'bzrdir_format': 'D',
 
282
              'repository_format': 1,
 
283
              'transport_readonly_server': 'readonly',
 
284
              'transport_server': 'server'})],
 
285
            no_vfs_adapter.formats_to_scenarios(formats))
 
286
        self.assertEqual([
 
287
            ('str',
 
288
             {'bzrdir_format': 'C',
 
289
              'repository_format': 'c',
 
290
              'transport_readonly_server': 'readonly',
 
291
              'transport_server': 'server',
 
292
              'vfs_transport_factory': 'vfs'}),
 
293
            ('int',
 
294
             {'bzrdir_format': 'D',
 
295
              'repository_format': 1,
 
296
              'transport_readonly_server': 'readonly',
 
297
              'transport_server': 'server',
 
298
              'vfs_transport_factory': 'vfs'})],
 
299
            vfs_adapter.formats_to_scenarios(formats))
 
300
 
 
301
 
 
302
class TestTestScenarioApplier(TestCase):
 
303
    """Tests for the test adaption facilities."""
 
304
 
 
305
    def test_adapt_applies_scenarios(self):
 
306
        from bzrlib.tests.repository_implementations import TestScenarioApplier
 
307
        input_test = TestTestScenarioApplier("test_adapt_test_to_scenario")
 
308
        adapter = TestScenarioApplier()
 
309
        adapter.scenarios = [("1", "dict"), ("2", "settings")]
 
310
        calls = []
 
311
        def capture_call(test, scenario):
 
312
            calls.append((test, scenario))
 
313
            return test
 
314
        adapter.adapt_test_to_scenario = capture_call
 
315
        adapter.adapt(input_test)
 
316
        self.assertEqual([(input_test, ("1", "dict")),
 
317
            (input_test, ("2", "settings"))], calls)
 
318
 
 
319
    def test_adapt_test_to_scenario(self):
 
320
        from bzrlib.tests.repository_implementations import TestScenarioApplier
 
321
        input_test = TestTestScenarioApplier("test_adapt_test_to_scenario")
 
322
        adapter = TestScenarioApplier()
 
323
        # setup two adapted tests
 
324
        adapted_test1 = adapter.adapt_test_to_scenario(input_test,
 
325
            ("new id",
 
326
            {"bzrdir_format":"bzr_format",
 
327
             "repository_format":"repo_fmt",
 
328
             "transport_server":"transport_server",
 
329
             "transport_readonly_server":"readonly-server"}))
 
330
        adapted_test2 = adapter.adapt_test_to_scenario(input_test,
 
331
            ("new id 2", {"bzrdir_format":None}))
 
332
        # input_test should have been altered.
 
333
        self.assertRaises(AttributeError, getattr, input_test, "bzrdir_format")
 
334
        # the new tests are mutually incompatible, ensuring it has 
 
335
        # made new ones, and unspecified elements in the scenario
 
336
        # should not have been altered.
 
337
        self.assertEqual("bzr_format", adapted_test1.bzrdir_format)
 
338
        self.assertEqual("repo_fmt", adapted_test1.repository_format)
 
339
        self.assertEqual("transport_server", adapted_test1.transport_server)
 
340
        self.assertEqual("readonly-server",
 
341
            adapted_test1.transport_readonly_server)
 
342
        self.assertEqual(
 
343
            "bzrlib.tests.test_selftest.TestTestScenarioApplier."
 
344
            "test_adapt_test_to_scenario(new id)",
 
345
            adapted_test1.id())
 
346
        self.assertEqual(None, adapted_test2.bzrdir_format)
 
347
        self.assertEqual(
 
348
            "bzrlib.tests.test_selftest.TestTestScenarioApplier."
 
349
            "test_adapt_test_to_scenario(new id 2)",
 
350
            adapted_test2.id())
 
351
 
 
352
 
 
353
class TestInterRepositoryProviderAdapter(TestCase):
 
354
    """A group of tests that test the InterRepository test adapter."""
 
355
 
 
356
    def test_adapted_tests(self):
 
357
        # check that constructor parameters are passed through to the adapted
 
358
        # test.
 
359
        from bzrlib.tests.interrepository_implementations import \
 
360
            InterRepositoryTestProviderAdapter
 
361
        server1 = "a"
 
362
        server2 = "b"
 
363
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
364
        adapter = InterRepositoryTestProviderAdapter(server1, server2, formats)
 
365
        self.assertEqual([
 
366
            ('str',
 
367
             {'interrepo_class': str,
 
368
              'repository_format': 'C1',
 
369
              'repository_format_to': 'C2',
 
370
              'transport_readonly_server': 'b',
 
371
              'transport_server': 'a'}),
 
372
            ('int',
 
373
             {'interrepo_class': int,
 
374
              'repository_format': 'D1',
 
375
              'repository_format_to': 'D2',
 
376
              'transport_readonly_server': 'b',
 
377
              'transport_server': 'a'})],
 
378
            adapter.formats_to_scenarios(formats))
 
379
 
 
380
 
 
381
class TestInterVersionedFileProviderAdapter(TestCase):
 
382
    """A group of tests that test the InterVersionedFile test adapter."""
 
383
 
 
384
    def test_scenarios(self):
 
385
        # check that constructor parameters are passed through to the adapted
 
386
        # test.
 
387
        from bzrlib.tests.interversionedfile_implementations \
 
388
            import InterVersionedFileTestProviderAdapter
 
389
        server1 = "a"
 
390
        server2 = "b"
 
391
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
392
        adapter = InterVersionedFileTestProviderAdapter(server1, server2, formats)
 
393
        self.assertEqual([
 
394
            ('str',
 
395
             {'interversionedfile_class':str,
 
396
              'transport_readonly_server': 'b',
 
397
              'transport_server': 'a',
 
398
              'versionedfile_factory': 'C1',
 
399
              'versionedfile_factory_to': 'C2'}),
 
400
            ('int',
 
401
             {'interversionedfile_class': int,
 
402
              'transport_readonly_server': 'b',
 
403
              'transport_server': 'a',
 
404
              'versionedfile_factory': 'D1',
 
405
              'versionedfile_factory_to': 'D2'})],
 
406
            adapter.scenarios)
 
407
 
 
408
 
 
409
class TestRevisionStoreProviderAdapter(TestCase):
 
410
    """A group of tests that test the RevisionStore test adapter."""
 
411
 
 
412
    def test_scenarios(self):
 
413
        # check that constructor parameters are passed through to the adapted
 
414
        # test.
 
415
        from bzrlib.tests.revisionstore_implementations \
 
416
            import RevisionStoreTestProviderAdapter
 
417
        # revision stores need a store factory - i.e. RevisionKnit
 
418
        #, a readonly and rw transport 
 
419
        # transport servers:
 
420
        server1 = "a"
 
421
        server2 = "b"
 
422
        store_factories = ["c", "d"]
 
423
        adapter = RevisionStoreTestProviderAdapter(server1, server2, store_factories)
 
424
        self.assertEqual([
 
425
            ('c',
 
426
             {'store_factory': 'c',
 
427
              'transport_readonly_server': 'b',
 
428
              'transport_server': 'a'}),
 
429
            ('d',
 
430
             {'store_factory': 'd',
 
431
              'transport_readonly_server': 'b',
 
432
              'transport_server': 'a'})],
 
433
            adapter.scenarios)
 
434
 
 
435
 
 
436
class TestWorkingTreeProviderAdapter(TestCase):
 
437
    """A group of tests that test the workingtree implementation test adapter."""
 
438
 
 
439
    def test_scenarios(self):
 
440
        # check that constructor parameters are passed through to the adapted
 
441
        # test.
 
442
        from bzrlib.tests.workingtree_implementations \
 
443
            import WorkingTreeTestProviderAdapter
 
444
        server1 = "a"
 
445
        server2 = "b"
 
446
        formats = [("c", "C"), ("d", "D")]
 
447
        adapter = WorkingTreeTestProviderAdapter(server1, server2, formats)
 
448
        self.assertEqual([
 
449
            ('str',
 
450
             {'bzrdir_format': 'C',
 
451
              'transport_readonly_server': 'b',
 
452
              'transport_server': 'a',
 
453
              'workingtree_format': 'c'}),
 
454
            ('str',
 
455
             {'bzrdir_format': 'D',
 
456
              'transport_readonly_server': 'b',
 
457
              'transport_server': 'a',
 
458
              'workingtree_format': 'd'})],
 
459
            adapter.scenarios)
 
460
 
 
461
 
 
462
class TestTreeProviderAdapter(TestCase):
 
463
    """Test the setup of tree_implementation tests."""
 
464
 
 
465
    def test_adapted_tests(self):
 
466
        # the tree implementation adapter is meant to setup one instance for
 
467
        # each working tree format, and one additional instance that will
 
468
        # use the default wt format, but create a revision tree for the tests.
 
469
        # this means that the wt ones should have the workingtree_to_test_tree
 
470
        # attribute set to 'return_parameter' and the revision one set to
 
471
        # revision_tree_from_workingtree.
 
472
 
 
473
        from bzrlib.tests.tree_implementations import (
 
474
            TreeTestProviderAdapter,
 
475
            return_parameter,
 
476
            revision_tree_from_workingtree
 
477
            )
 
478
        from bzrlib.workingtree import WorkingTreeFormat, WorkingTreeFormat3
 
479
        input_test = TestTreeProviderAdapter(
 
480
            "test_adapted_tests")
 
481
        server1 = "a"
 
482
        server2 = "b"
 
483
        formats = [("c", "C"), ("d", "D")]
 
484
        adapter = TreeTestProviderAdapter(server1, server2, formats)
 
485
        suite = adapter.adapt(input_test)
 
486
        tests = list(iter(suite))
 
487
        self.assertEqual(4, len(tests))
 
488
        # this must match the default format setp up in
 
489
        # TreeTestProviderAdapter.adapt
 
490
        default_format = WorkingTreeFormat3
 
491
        self.assertEqual(tests[0].workingtree_format, formats[0][0])
 
492
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
493
        self.assertEqual(tests[0].transport_server, server1)
 
494
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
495
        self.assertEqual(tests[0].workingtree_to_test_tree, return_parameter)
 
496
        self.assertEqual(tests[1].workingtree_format, formats[1][0])
 
497
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
498
        self.assertEqual(tests[1].transport_server, server1)
 
499
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
500
        self.assertEqual(tests[1].workingtree_to_test_tree, return_parameter)
 
501
        self.assertIsInstance(tests[2].workingtree_format, default_format)
 
502
        #self.assertEqual(tests[2].bzrdir_format,
 
503
        #                 default_format._matchingbzrdir)
 
504
        self.assertEqual(tests[2].transport_server, server1)
 
505
        self.assertEqual(tests[2].transport_readonly_server, server2)
 
506
        self.assertEqual(tests[2].workingtree_to_test_tree,
 
507
            revision_tree_from_workingtree)
 
508
 
 
509
 
 
510
class TestInterTreeProviderAdapter(TestCase):
 
511
    """A group of tests that test the InterTreeTestAdapter."""
 
512
 
 
513
    def test_adapted_tests(self):
 
514
        # check that constructor parameters are passed through to the adapted
 
515
        # test.
 
516
        # for InterTree tests we want the machinery to bring up two trees in
 
517
        # each instance: the base one, and the one we are interacting with.
 
518
        # because each optimiser can be direction specific, we need to test
 
519
        # each optimiser in its chosen direction.
 
520
        # unlike the TestProviderAdapter we dont want to automatically add a
 
521
        # parameterised one for WorkingTree - the optimisers will tell us what
 
522
        # ones to add.
 
523
        from bzrlib.tests.tree_implementations import (
 
524
            return_parameter,
 
525
            revision_tree_from_workingtree
 
526
            )
 
527
        from bzrlib.tests.intertree_implementations import (
 
528
            InterTreeTestProviderAdapter,
 
529
            )
 
530
        from bzrlib.workingtree import WorkingTreeFormat2, WorkingTreeFormat3
 
531
        input_test = TestInterTreeProviderAdapter(
 
532
            "test_adapted_tests")
 
533
        server1 = "a"
 
534
        server2 = "b"
 
535
        format1 = WorkingTreeFormat2()
 
536
        format2 = WorkingTreeFormat3()
 
537
        formats = [(str, format1, format2, "converter1"),
 
538
            (int, format2, format1, "converter2")]
 
539
        adapter = InterTreeTestProviderAdapter(server1, server2, formats)
 
540
        suite = adapter.adapt(input_test)
 
541
        tests = list(iter(suite))
 
542
        self.assertEqual(2, len(tests))
 
543
        self.assertEqual(tests[0].intertree_class, formats[0][0])
 
544
        self.assertEqual(tests[0].workingtree_format, formats[0][1])
 
545
        self.assertEqual(tests[0].workingtree_format_to, formats[0][2])
 
546
        self.assertEqual(tests[0].mutable_trees_to_test_trees, formats[0][3])
 
547
        self.assertEqual(tests[0].workingtree_to_test_tree, return_parameter)
 
548
        self.assertEqual(tests[0].transport_server, server1)
 
549
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
550
        self.assertEqual(tests[1].intertree_class, formats[1][0])
 
551
        self.assertEqual(tests[1].workingtree_format, formats[1][1])
 
552
        self.assertEqual(tests[1].workingtree_format_to, formats[1][2])
 
553
        self.assertEqual(tests[1].mutable_trees_to_test_trees, formats[1][3])
 
554
        self.assertEqual(tests[1].workingtree_to_test_tree, return_parameter)
 
555
        self.assertEqual(tests[1].transport_server, server1)
 
556
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
557
 
 
558
 
 
559
class TestTestCaseInTempDir(TestCaseInTempDir):
 
560
 
 
561
    def test_home_is_not_working(self):
 
562
        self.assertNotEqual(self.test_dir, self.test_home_dir)
 
563
        cwd = osutils.getcwd()
 
564
        self.assertEqual(self.test_dir, cwd)
 
565
        self.assertEqual(self.test_home_dir, os.environ['HOME'])
 
566
 
 
567
 
 
568
class TestTestCaseWithMemoryTransport(TestCaseWithMemoryTransport):
 
569
 
 
570
    def test_home_is_non_existant_dir_under_root(self):
 
571
        """The test_home_dir for TestCaseWithMemoryTransport is missing.
 
572
 
 
573
        This is because TestCaseWithMemoryTransport is for tests that do not
 
574
        need any disk resources: they should be hooked into bzrlib in such a 
 
575
        way that no global settings are being changed by the test (only a 
 
576
        few tests should need to do that), and having a missing dir as home is
 
577
        an effective way to ensure that this is the case.
 
578
        """
 
579
        self.assertEqual(self.TEST_ROOT + "/MemoryTransportMissingHomeDir",
 
580
            self.test_home_dir)
 
581
        self.assertEqual(self.test_home_dir, os.environ['HOME'])
 
582
        
 
583
    def test_cwd_is_TEST_ROOT(self):
 
584
        self.assertEqual(self.test_dir, self.TEST_ROOT)
 
585
        cwd = osutils.getcwd()
 
586
        self.assertEqual(self.test_dir, cwd)
 
587
 
 
588
    def test_make_branch_and_memory_tree(self):
 
589
        """In TestCaseWithMemoryTransport we should not make the branch on disk.
 
590
 
 
591
        This is hard to comprehensively robustly test, so we settle for making
 
592
        a branch and checking no directory was created at its relpath.
 
593
        """
 
594
        tree = self.make_branch_and_memory_tree('dir')
 
595
        # Guard against regression into MemoryTransport leaking
 
596
        # files to disk instead of keeping them in memory.
 
597
        self.failIf(osutils.lexists('dir'))
 
598
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
599
 
 
600
    def test_make_branch_and_memory_tree_with_format(self):
 
601
        """make_branch_and_memory_tree should accept a format option."""
 
602
        format = bzrdir.BzrDirMetaFormat1()
 
603
        format.repository_format = weaverepo.RepositoryFormat7()
 
604
        tree = self.make_branch_and_memory_tree('dir', format=format)
 
605
        # Guard against regression into MemoryTransport leaking
 
606
        # files to disk instead of keeping them in memory.
 
607
        self.failIf(osutils.lexists('dir'))
 
608
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
609
        self.assertEqual(format.repository_format.__class__,
 
610
            tree.branch.repository._format.__class__)
 
611
 
 
612
 
 
613
class TestTestCaseWithTransport(TestCaseWithTransport):
 
614
    """Tests for the convenience functions TestCaseWithTransport introduces."""
 
615
 
 
616
    def test_get_readonly_url_none(self):
 
617
        from bzrlib.transport import get_transport
 
618
        from bzrlib.transport.memory import MemoryServer
 
619
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
620
        self.vfs_transport_factory = MemoryServer
 
621
        self.transport_readonly_server = None
 
622
        # calling get_readonly_transport() constructs a decorator on the url
 
623
        # for the server
 
624
        url = self.get_readonly_url()
 
625
        url2 = self.get_readonly_url('foo/bar')
 
626
        t = get_transport(url)
 
627
        t2 = get_transport(url2)
 
628
        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
 
629
        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
 
630
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
631
 
 
632
    def test_get_readonly_url_http(self):
 
633
        from bzrlib.tests.HttpServer import HttpServer
 
634
        from bzrlib.transport import get_transport
 
635
        from bzrlib.transport.local import LocalURLServer
 
636
        from bzrlib.transport.http import HttpTransportBase
 
637
        self.transport_server = LocalURLServer
 
638
        self.transport_readonly_server = HttpServer
 
639
        # calling get_readonly_transport() gives us a HTTP server instance.
 
640
        url = self.get_readonly_url()
 
641
        url2 = self.get_readonly_url('foo/bar')
 
642
        # the transport returned may be any HttpTransportBase subclass
 
643
        t = get_transport(url)
 
644
        t2 = get_transport(url2)
 
645
        self.failUnless(isinstance(t, HttpTransportBase))
 
646
        self.failUnless(isinstance(t2, HttpTransportBase))
 
647
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
648
 
 
649
    def test_is_directory(self):
 
650
        """Test assertIsDirectory assertion"""
 
651
        t = self.get_transport()
 
652
        self.build_tree(['a_dir/', 'a_file'], transport=t)
 
653
        self.assertIsDirectory('a_dir', t)
 
654
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
 
655
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
 
656
 
 
657
 
 
658
class TestTestCaseTransports(TestCaseWithTransport):
 
659
 
 
660
    def setUp(self):
 
661
        super(TestTestCaseTransports, self).setUp()
 
662
        self.vfs_transport_factory = MemoryServer
 
663
 
 
664
    def test_make_bzrdir_preserves_transport(self):
 
665
        t = self.get_transport()
 
666
        result_bzrdir = self.make_bzrdir('subdir')
 
667
        self.assertIsInstance(result_bzrdir.transport, 
 
668
                              MemoryTransport)
 
669
        # should not be on disk, should only be in memory
 
670
        self.failIfExists('subdir')
 
671
 
 
672
 
 
673
class TestChrootedTest(ChrootedTestCase):
 
674
 
 
675
    def test_root_is_root(self):
 
676
        from bzrlib.transport import get_transport
 
677
        t = get_transport(self.get_readonly_url())
 
678
        url = t.base
 
679
        self.assertEqual(url, t.clone('..').base)
 
680
 
 
681
 
 
682
class MockProgress(_BaseProgressBar):
 
683
    """Progress-bar standin that records calls.
 
684
 
 
685
    Useful for testing pb using code.
 
686
    """
 
687
 
 
688
    def __init__(self):
 
689
        _BaseProgressBar.__init__(self)
 
690
        self.calls = []
 
691
 
 
692
    def tick(self):
 
693
        self.calls.append(('tick',))
 
694
 
 
695
    def update(self, msg=None, current=None, total=None):
 
696
        self.calls.append(('update', msg, current, total))
 
697
 
 
698
    def clear(self):
 
699
        self.calls.append(('clear',))
 
700
 
 
701
    def note(self, msg, *args):
 
702
        self.calls.append(('note', msg, args))
 
703
 
 
704
 
 
705
class TestTestResult(TestCase):
 
706
 
 
707
    def test_elapsed_time_with_benchmarking(self):
 
708
        result = bzrlib.tests.TextTestResult(self._log_file,
 
709
                                        descriptions=0,
 
710
                                        verbosity=1,
 
711
                                        )
 
712
        result._recordTestStartTime()
 
713
        time.sleep(0.003)
 
714
        result.extractBenchmarkTime(self)
 
715
        timed_string = result._testTimeString()
 
716
        # without explicit benchmarking, we should get a simple time.
 
717
        self.assertContainsRe(timed_string, "^ +[0-9]+ms$")
 
718
        # if a benchmark time is given, we want a x of y style result.
 
719
        self.time(time.sleep, 0.001)
 
720
        result.extractBenchmarkTime(self)
 
721
        timed_string = result._testTimeString()
 
722
        self.assertContainsRe(
 
723
            timed_string, "^ +[0-9]+ms/ +[0-9]+ms$")
 
724
        # extracting the time from a non-bzrlib testcase sets to None
 
725
        result._recordTestStartTime()
 
726
        result.extractBenchmarkTime(
 
727
            unittest.FunctionTestCase(self.test_elapsed_time_with_benchmarking))
 
728
        timed_string = result._testTimeString()
 
729
        self.assertContainsRe(timed_string, "^ +[0-9]+ms$")
 
730
        # cheat. Yes, wash thy mouth out with soap.
 
731
        self._benchtime = None
 
732
 
 
733
    def test_assigned_benchmark_file_stores_date(self):
 
734
        output = StringIO()
 
735
        result = bzrlib.tests.TextTestResult(self._log_file,
 
736
                                        descriptions=0,
 
737
                                        verbosity=1,
 
738
                                        bench_history=output
 
739
                                        )
 
740
        output_string = output.getvalue()
 
741
        
 
742
        # if you are wondering about the regexp please read the comment in
 
743
        # test_bench_history (bzrlib.tests.test_selftest.TestRunner)
 
744
        # XXX: what comment?  -- Andrew Bennetts
 
745
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
746
 
 
747
    def test_benchhistory_records_test_times(self):
 
748
        result_stream = StringIO()
 
749
        result = bzrlib.tests.TextTestResult(
 
750
            self._log_file,
 
751
            descriptions=0,
 
752
            verbosity=1,
 
753
            bench_history=result_stream
 
754
            )
 
755
 
 
756
        # we want profile a call and check that its test duration is recorded
 
757
        # make a new test instance that when run will generate a benchmark
 
758
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
759
        # execute the test, which should succeed and record times
 
760
        example_test_case.run(result)
 
761
        lines = result_stream.getvalue().splitlines()
 
762
        self.assertEqual(2, len(lines))
 
763
        self.assertContainsRe(lines[1],
 
764
            " *[0-9]+ms bzrlib.tests.test_selftest.TestTestResult"
 
765
            "._time_hello_world_encoding")
 
766
 
 
767
    def _time_hello_world_encoding(self):
 
768
        """Profile two sleep calls
 
769
        
 
770
        This is used to exercise the test framework.
 
771
        """
 
772
        self.time(unicode, 'hello', errors='replace')
 
773
        self.time(unicode, 'world', errors='replace')
 
774
 
 
775
    def test_lsprofiling(self):
 
776
        """Verbose test result prints lsprof statistics from test cases."""
 
777
        self.requireFeature(test_lsprof.LSProfFeature)
 
778
        result_stream = StringIO()
 
779
        result = bzrlib.tests.VerboseTestResult(
 
780
            unittest._WritelnDecorator(result_stream),
 
781
            descriptions=0,
 
782
            verbosity=2,
 
783
            )
 
784
        # we want profile a call of some sort and check it is output by
 
785
        # addSuccess. We dont care about addError or addFailure as they
 
786
        # are not that interesting for performance tuning.
 
787
        # make a new test instance that when run will generate a profile
 
788
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
789
        example_test_case._gather_lsprof_in_benchmarks = True
 
790
        # execute the test, which should succeed and record profiles
 
791
        example_test_case.run(result)
 
792
        # lsprofile_something()
 
793
        # if this worked we want 
 
794
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
 
795
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
 
796
        # (the lsprof header)
 
797
        # ... an arbitrary number of lines
 
798
        # and the function call which is time.sleep.
 
799
        #           1        0            ???         ???       ???(sleep) 
 
800
        # and then repeated but with 'world', rather than 'hello'.
 
801
        # this should appear in the output stream of our test result.
 
802
        output = result_stream.getvalue()
 
803
        self.assertContainsRe(output,
 
804
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
 
805
        self.assertContainsRe(output,
 
806
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
 
807
        self.assertContainsRe(output,
 
808
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
 
809
        self.assertContainsRe(output,
 
810
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
 
811
 
 
812
    def test_known_failure(self):
 
813
        """A KnownFailure being raised should trigger several result actions."""
 
814
        class InstrumentedTestResult(ExtendedTestResult):
 
815
 
 
816
            def report_test_start(self, test): pass
 
817
            def report_known_failure(self, test, err):
 
818
                self._call = test, err
 
819
        result = InstrumentedTestResult(None, None, None, None)
 
820
        def test_function():
 
821
            raise KnownFailure('failed!')
 
822
        test = unittest.FunctionTestCase(test_function)
 
823
        test.run(result)
 
824
        # it should invoke 'report_known_failure'.
 
825
        self.assertEqual(2, len(result._call))
 
826
        self.assertEqual(test, result._call[0])
 
827
        self.assertEqual(KnownFailure, result._call[1][0])
 
828
        self.assertIsInstance(result._call[1][1], KnownFailure)
 
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
            unittest._WritelnDecorator(result_stream),
 
841
            descriptions=0,
 
842
            verbosity=2,
 
843
            )
 
844
        test = self.get_passing_test()
 
845
        result.startTest(test)
 
846
        result.extractBenchmarkTime(test)
 
847
        prefix = len(result_stream.getvalue())
 
848
        # the err parameter has the shape:
 
849
        # (class, exception object, traceback)
 
850
        # KnownFailures dont get their tracebacks shown though, so we
 
851
        # can skip that.
 
852
        err = (KnownFailure, KnownFailure('foo'), None)
 
853
        result.report_known_failure(test, err)
 
854
        output = result_stream.getvalue()[prefix:]
 
855
        lines = output.splitlines()
 
856
        self.assertContainsRe(lines[0], r'XFAIL *\d+ms$')
 
857
        self.assertEqual(lines[1], '    foo')
 
858
        self.assertEqual(2, len(lines))
 
859
 
 
860
    def test_text_report_known_failure(self):
 
861
        # text test output formatting
 
862
        pb = MockProgress()
 
863
        result = bzrlib.tests.TextTestResult(
 
864
            None,
 
865
            descriptions=0,
 
866
            verbosity=1,
 
867
            pb=pb,
 
868
            )
 
869
        test = self.get_passing_test()
 
870
        # this seeds the state to handle reporting the test.
 
871
        result.startTest(test)
 
872
        result.extractBenchmarkTime(test)
 
873
        # the err parameter has the shape:
 
874
        # (class, exception object, traceback)
 
875
        # KnownFailures dont get their tracebacks shown though, so we
 
876
        # can skip that.
 
877
        err = (KnownFailure, KnownFailure('foo'), None)
 
878
        result.report_known_failure(test, err)
 
879
        self.assertEqual(
 
880
            [
 
881
            ('update', '[1 in 0s] passing_test', None, None),
 
882
            ('note', 'XFAIL: %s\n%s\n', ('passing_test', err[1]))
 
883
            ],
 
884
            pb.calls)
 
885
        # known_failures should be printed in the summary, so if we run a test
 
886
        # after there are some known failures, the update prefix should match
 
887
        # this.
 
888
        result.known_failure_count = 3
 
889
        test.run(result)
 
890
        self.assertEqual(
 
891
            [
 
892
            ('update', '[2 in 0s, 3 known failures] passing_test', None, None),
 
893
            ],
 
894
            pb.calls[2:])
 
895
 
 
896
    def get_passing_test(self):
 
897
        """Return a test object that can't be run usefully."""
 
898
        def passing_test():
 
899
            pass
 
900
        return unittest.FunctionTestCase(passing_test)
 
901
 
 
902
    def test_add_not_supported(self):
 
903
        """Test the behaviour of invoking addNotSupported."""
 
904
        class InstrumentedTestResult(ExtendedTestResult):
 
905
            def report_test_start(self, test): pass
 
906
            def report_unsupported(self, test, feature):
 
907
                self._call = test, feature
 
908
        result = InstrumentedTestResult(None, None, None, None)
 
909
        test = SampleTestCase('_test_pass')
 
910
        feature = Feature()
 
911
        result.startTest(test)
 
912
        result.addNotSupported(test, feature)
 
913
        # it should invoke 'report_unsupported'.
 
914
        self.assertEqual(2, len(result._call))
 
915
        self.assertEqual(test, result._call[0])
 
916
        self.assertEqual(feature, result._call[1])
 
917
        # the result should be successful.
 
918
        self.assertTrue(result.wasSuccessful())
 
919
        # it should record the test against a count of tests not run due to
 
920
        # this feature.
 
921
        self.assertEqual(1, result.unsupported['Feature'])
 
922
        # and invoking it again should increment that counter
 
923
        result.addNotSupported(test, feature)
 
924
        self.assertEqual(2, result.unsupported['Feature'])
 
925
 
 
926
    def test_verbose_report_unsupported(self):
 
927
        # verbose test output formatting
 
928
        result_stream = StringIO()
 
929
        result = bzrlib.tests.VerboseTestResult(
 
930
            unittest._WritelnDecorator(result_stream),
 
931
            descriptions=0,
 
932
            verbosity=2,
 
933
            )
 
934
        test = self.get_passing_test()
 
935
        feature = Feature()
 
936
        result.startTest(test)
 
937
        result.extractBenchmarkTime(test)
 
938
        prefix = len(result_stream.getvalue())
 
939
        result.report_unsupported(test, feature)
 
940
        output = result_stream.getvalue()[prefix:]
 
941
        lines = output.splitlines()
 
942
        self.assertEqual(lines, ['NODEP                   0ms', "    The feature 'Feature' is not available."])
 
943
    
 
944
    def test_text_report_unsupported(self):
 
945
        # text test output formatting
 
946
        pb = MockProgress()
 
947
        result = bzrlib.tests.TextTestResult(
 
948
            None,
 
949
            descriptions=0,
 
950
            verbosity=1,
 
951
            pb=pb,
 
952
            )
 
953
        test = self.get_passing_test()
 
954
        feature = Feature()
 
955
        # this seeds the state to handle reporting the test.
 
956
        result.startTest(test)
 
957
        result.extractBenchmarkTime(test)
 
958
        result.report_unsupported(test, feature)
 
959
        # no output on unsupported features
 
960
        self.assertEqual(
 
961
            [('update', '[1 in 0s] passing_test', None, None)
 
962
            ],
 
963
            pb.calls)
 
964
        # the number of missing features should be printed in the progress
 
965
        # summary, so check for that.
 
966
        result.unsupported = {'foo':0, 'bar':0}
 
967
        test.run(result)
 
968
        self.assertEqual(
 
969
            [
 
970
            ('update', '[2 in 0s, 2 missing features] passing_test', None, None),
 
971
            ],
 
972
            pb.calls[1:])
 
973
    
 
974
    def test_unavailable_exception(self):
 
975
        """An UnavailableFeature being raised should invoke addNotSupported."""
 
976
        class InstrumentedTestResult(ExtendedTestResult):
 
977
 
 
978
            def report_test_start(self, test): pass
 
979
            def addNotSupported(self, test, feature):
 
980
                self._call = test, feature
 
981
        result = InstrumentedTestResult(None, None, None, None)
 
982
        feature = Feature()
 
983
        def test_function():
 
984
            raise UnavailableFeature(feature)
 
985
        test = unittest.FunctionTestCase(test_function)
 
986
        test.run(result)
 
987
        # it should invoke 'addNotSupported'.
 
988
        self.assertEqual(2, len(result._call))
 
989
        self.assertEqual(test, result._call[0])
 
990
        self.assertEqual(feature, result._call[1])
 
991
        # and not count as an error
 
992
        self.assertEqual(0, result.error_count)
 
993
 
 
994
 
 
995
class TestRunner(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 bzrlib.tests.TextTestRunner
 
1007
        without using this convenience method, because of our use of global state.
 
1008
        """
 
1009
        old_root = TestCaseInTempDir.TEST_ROOT
 
1010
        try:
 
1011
            TestCaseInTempDir.TEST_ROOT = None
 
1012
            return testrunner.run(test)
 
1013
        finally:
 
1014
            TestCaseInTempDir.TEST_ROOT = old_root
 
1015
 
 
1016
    def test_known_failure_failed_run(self):
 
1017
        # run a test that generates a known failure which should be printed in
 
1018
        # the final output when real failures occur.
 
1019
        def known_failure_test():
 
1020
            raise KnownFailure('failed')
 
1021
        test = unittest.TestSuite()
 
1022
        test.addTest(unittest.FunctionTestCase(known_failure_test))
 
1023
        def failing_test():
 
1024
            raise AssertionError('foo')
 
1025
        test.addTest(unittest.FunctionTestCase(failing_test))
 
1026
        stream = StringIO()
 
1027
        runner = TextTestRunner(stream=stream)
 
1028
        result = self.run_test_runner(runner, test)
 
1029
        lines = stream.getvalue().splitlines()
 
1030
        self.assertEqual([
 
1031
            '',
 
1032
            '======================================================================',
 
1033
            'FAIL: unittest.FunctionTestCase (failing_test)',
 
1034
            '----------------------------------------------------------------------',
 
1035
            'Traceback (most recent call last):',
 
1036
            '    raise AssertionError(\'foo\')',
 
1037
            'AssertionError: foo',
 
1038
            '',
 
1039
            '----------------------------------------------------------------------',
 
1040
            '',
 
1041
            'FAILED (failures=1, known_failure_count=1)'],
 
1042
            lines[0:5] + lines[6:10] + lines[11:])
 
1043
 
 
1044
    def test_known_failure_ok_run(self):
 
1045
        # run a test that generates a known failure which should be printed in the final output.
 
1046
        def known_failure_test():
 
1047
            raise KnownFailure('failed')
 
1048
        test = unittest.FunctionTestCase(known_failure_test)
 
1049
        stream = StringIO()
 
1050
        runner = TextTestRunner(stream=stream)
 
1051
        result = self.run_test_runner(runner, test)
 
1052
        self.assertContainsRe(stream.getvalue(),
 
1053
            '\n'
 
1054
            '-*\n'
 
1055
            'Ran 1 test in .*\n'
 
1056
            '\n'
 
1057
            'OK \\(known_failures=1\\)\n')
 
1058
 
 
1059
    def test_skipped_test(self):
 
1060
        # run a test that is skipped, and check the suite as a whole still
 
1061
        # succeeds.
 
1062
        # skipping_test must be hidden in here so it's not run as a real test
 
1063
        def skipping_test():
 
1064
            raise TestSkipped('test intentionally skipped')
 
1065
 
 
1066
        runner = TextTestRunner(stream=self._log_file)
 
1067
        test = unittest.FunctionTestCase(skipping_test)
 
1068
        result = self.run_test_runner(runner, test)
 
1069
        self.assertTrue(result.wasSuccessful())
 
1070
 
 
1071
    def test_skipped_from_setup(self):
 
1072
        class SkippedSetupTest(TestCase):
 
1073
 
 
1074
            def setUp(self):
 
1075
                self.counter = 1
 
1076
                self.addCleanup(self.cleanup)
 
1077
                raise TestSkipped('skipped setup')
 
1078
 
 
1079
            def test_skip(self):
 
1080
                self.fail('test reached')
 
1081
 
 
1082
            def cleanup(self):
 
1083
                self.counter -= 1
 
1084
 
 
1085
        runner = TextTestRunner(stream=self._log_file)
 
1086
        test = SkippedSetupTest('test_skip')
 
1087
        result = self.run_test_runner(runner, test)
 
1088
        self.assertTrue(result.wasSuccessful())
 
1089
        # Check if cleanup was called the right number of times.
 
1090
        self.assertEqual(0, test.counter)
 
1091
 
 
1092
    def test_skipped_from_test(self):
 
1093
        class SkippedTest(TestCase):
 
1094
 
 
1095
            def setUp(self):
 
1096
                self.counter = 1
 
1097
                self.addCleanup(self.cleanup)
 
1098
 
 
1099
            def test_skip(self):
 
1100
                raise TestSkipped('skipped test')
 
1101
 
 
1102
            def cleanup(self):
 
1103
                self.counter -= 1
 
1104
 
 
1105
        runner = TextTestRunner(stream=self._log_file)
 
1106
        test = SkippedTest('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(0, test.counter)
 
1111
 
 
1112
    def test_unsupported_features_listed(self):
 
1113
        """When unsupported features are encountered they are detailed."""
 
1114
        class Feature1(Feature):
 
1115
            def _probe(self): return False
 
1116
        class Feature2(Feature):
 
1117
            def _probe(self): return False
 
1118
        # create sample tests
 
1119
        test1 = SampleTestCase('_test_pass')
 
1120
        test1._test_needs_features = [Feature1()]
 
1121
        test2 = SampleTestCase('_test_pass')
 
1122
        test2._test_needs_features = [Feature2()]
 
1123
        test = unittest.TestSuite()
 
1124
        test.addTest(test1)
 
1125
        test.addTest(test2)
 
1126
        stream = StringIO()
 
1127
        runner = TextTestRunner(stream=stream)
 
1128
        result = self.run_test_runner(runner, test)
 
1129
        lines = stream.getvalue().splitlines()
 
1130
        self.assertEqual([
 
1131
            'OK',
 
1132
            "Missing feature 'Feature1' skipped 1 tests.",
 
1133
            "Missing feature 'Feature2' skipped 1 tests.",
 
1134
            ],
 
1135
            lines[-3:])
 
1136
 
 
1137
    def test_bench_history(self):
 
1138
        # tests that the running the benchmark produces a history file
 
1139
        # containing a timestamp and the revision id of the bzrlib source which
 
1140
        # was tested.
 
1141
        workingtree = _get_bzr_source_tree()
 
1142
        test = TestRunner('dummy_test')
 
1143
        output = StringIO()
 
1144
        runner = TextTestRunner(stream=self._log_file, bench_history=output)
 
1145
        result = self.run_test_runner(runner, test)
 
1146
        output_string = output.getvalue()
 
1147
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
1148
        if workingtree is not None:
 
1149
            revision_id = workingtree.get_parent_ids()[0]
 
1150
            self.assertEndsWith(output_string.rstrip(), revision_id)
 
1151
 
 
1152
    def test_success_log_deleted(self):
 
1153
        """Successful tests have their log deleted"""
 
1154
 
 
1155
        class LogTester(TestCase):
 
1156
 
 
1157
            def test_success(self):
 
1158
                self.log('this will be removed\n')
 
1159
 
 
1160
        sio = cStringIO.StringIO()
 
1161
        runner = TextTestRunner(stream=sio)
 
1162
        test = LogTester('test_success')
 
1163
        result = self.run_test_runner(runner, test)
 
1164
 
 
1165
        log = test._get_log()
 
1166
        self.assertEqual("DELETED log file to reduce memory footprint", log)
 
1167
        self.assertEqual('', test._log_contents)
 
1168
        self.assertIs(None, test._log_file_name)
 
1169
 
 
1170
    def test_fail_log_kept(self):
 
1171
        """Failed tests have their log kept"""
 
1172
 
 
1173
        class LogTester(TestCase):
 
1174
 
 
1175
            def test_fail(self):
 
1176
                self.log('this will be kept\n')
 
1177
                self.fail('this test fails')
 
1178
 
 
1179
        sio = cStringIO.StringIO()
 
1180
        runner = TextTestRunner(stream=sio)
 
1181
        test = LogTester('test_fail')
 
1182
        result = self.run_test_runner(runner, test)
 
1183
 
 
1184
        text = sio.getvalue()
 
1185
        self.assertContainsRe(text, 'this will be kept')
 
1186
        self.assertContainsRe(text, 'this test fails')
 
1187
 
 
1188
        log = test._get_log()
 
1189
        self.assertContainsRe(log, 'this will be kept')
 
1190
        self.assertEqual(log, test._log_contents)
 
1191
 
 
1192
    def test_error_log_kept(self):
 
1193
        """Tests with errors have their log kept"""
 
1194
 
 
1195
        class LogTester(TestCase):
 
1196
 
 
1197
            def test_error(self):
 
1198
                self.log('this will be kept\n')
 
1199
                raise ValueError('random exception raised')
 
1200
 
 
1201
        sio = cStringIO.StringIO()
 
1202
        runner = TextTestRunner(stream=sio)
 
1203
        test = LogTester('test_error')
 
1204
        result = self.run_test_runner(runner, test)
 
1205
 
 
1206
        text = sio.getvalue()
 
1207
        self.assertContainsRe(text, 'this will be kept')
 
1208
        self.assertContainsRe(text, 'random exception raised')
 
1209
 
 
1210
        log = test._get_log()
 
1211
        self.assertContainsRe(log, 'this will be kept')
 
1212
        self.assertEqual(log, test._log_contents)
 
1213
 
 
1214
 
 
1215
class SampleTestCase(TestCase):
 
1216
 
 
1217
    def _test_pass(self):
 
1218
        pass
 
1219
 
 
1220
 
 
1221
class TestTestCase(TestCase):
 
1222
    """Tests that test the core bzrlib TestCase."""
 
1223
 
 
1224
    def test_debug_flags_sanitised(self):
 
1225
        """The bzrlib debug flags should be sanitised by setUp."""
 
1226
        # we could set something and run a test that will check
 
1227
        # it gets santised, but this is probably sufficient for now:
 
1228
        # if someone runs the test with -Dsomething it will error.
 
1229
        self.assertEqual(set(), bzrlib.debug.debug_flags)
 
1230
 
 
1231
    def inner_test(self):
 
1232
        # the inner child test
 
1233
        note("inner_test")
 
1234
 
 
1235
    def outer_child(self):
 
1236
        # the outer child test
 
1237
        note("outer_start")
 
1238
        self.inner_test = TestTestCase("inner_child")
 
1239
        result = bzrlib.tests.TextTestResult(self._log_file,
 
1240
                                        descriptions=0,
 
1241
                                        verbosity=1)
 
1242
        self.inner_test.run(result)
 
1243
        note("outer finish")
 
1244
 
 
1245
    def test_trace_nesting(self):
 
1246
        # this tests that each test case nests its trace facility correctly.
 
1247
        # we do this by running a test case manually. That test case (A)
 
1248
        # should setup a new log, log content to it, setup a child case (B),
 
1249
        # which should log independently, then case (A) should log a trailer
 
1250
        # and return.
 
1251
        # we do two nested children so that we can verify the state of the 
 
1252
        # logs after the outer child finishes is correct, which a bad clean
 
1253
        # up routine in tearDown might trigger a fault in our test with only
 
1254
        # one child, we should instead see the bad result inside our test with
 
1255
        # the two children.
 
1256
        # the outer child test
 
1257
        original_trace = bzrlib.trace._trace_file
 
1258
        outer_test = TestTestCase("outer_child")
 
1259
        result = bzrlib.tests.TextTestResult(self._log_file,
 
1260
                                        descriptions=0,
 
1261
                                        verbosity=1)
 
1262
        outer_test.run(result)
 
1263
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
 
1264
 
 
1265
    def method_that_times_a_bit_twice(self):
 
1266
        # call self.time twice to ensure it aggregates
 
1267
        self.time(time.sleep, 0.007)
 
1268
        self.time(time.sleep, 0.007)
 
1269
 
 
1270
    def test_time_creates_benchmark_in_result(self):
 
1271
        """Test that the TestCase.time() method accumulates a benchmark time."""
 
1272
        sample_test = TestTestCase("method_that_times_a_bit_twice")
 
1273
        output_stream = StringIO()
 
1274
        result = bzrlib.tests.VerboseTestResult(
 
1275
            unittest._WritelnDecorator(output_stream),
 
1276
            descriptions=0,
 
1277
            verbosity=2,
 
1278
            num_tests=sample_test.countTestCases())
 
1279
        sample_test.run(result)
 
1280
        self.assertContainsRe(
 
1281
            output_stream.getvalue(),
 
1282
            r"\d+ms/ +\d+ms\n$")
 
1283
 
 
1284
    def test_hooks_sanitised(self):
 
1285
        """The bzrlib hooks should be sanitised by setUp."""
 
1286
        self.assertEqual(bzrlib.branch.BranchHooks(),
 
1287
            bzrlib.branch.Branch.hooks)
 
1288
        self.assertEqual(bzrlib.smart.server.SmartServerHooks(),
 
1289
            bzrlib.smart.server.SmartTCPServer.hooks)
 
1290
 
 
1291
    def test__gather_lsprof_in_benchmarks(self):
 
1292
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
 
1293
        
 
1294
        Each self.time() call is individually and separately profiled.
 
1295
        """
 
1296
        self.requireFeature(test_lsprof.LSProfFeature)
 
1297
        # overrides the class member with an instance member so no cleanup 
 
1298
        # needed.
 
1299
        self._gather_lsprof_in_benchmarks = True
 
1300
        self.time(time.sleep, 0.000)
 
1301
        self.time(time.sleep, 0.003)
 
1302
        self.assertEqual(2, len(self._benchcalls))
 
1303
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
 
1304
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
 
1305
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
 
1306
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
 
1307
 
 
1308
    def test_knownFailure(self):
 
1309
        """Self.knownFailure() should raise a KnownFailure exception."""
 
1310
        self.assertRaises(KnownFailure, self.knownFailure, "A Failure")
 
1311
 
 
1312
    def test_requireFeature_available(self):
 
1313
        """self.requireFeature(available) is a no-op."""
 
1314
        class Available(Feature):
 
1315
            def _probe(self):return True
 
1316
        feature = Available()
 
1317
        self.requireFeature(feature)
 
1318
 
 
1319
    def test_requireFeature_unavailable(self):
 
1320
        """self.requireFeature(unavailable) raises UnavailableFeature."""
 
1321
        class Unavailable(Feature):
 
1322
            def _probe(self):return False
 
1323
        feature = Unavailable()
 
1324
        self.assertRaises(UnavailableFeature, self.requireFeature, feature)
 
1325
 
 
1326
    def test_run_no_parameters(self):
 
1327
        test = SampleTestCase('_test_pass')
 
1328
        test.run()
 
1329
    
 
1330
    def test_run_enabled_unittest_result(self):
 
1331
        """Test we revert to regular behaviour when the test is enabled."""
 
1332
        test = SampleTestCase('_test_pass')
 
1333
        class EnabledFeature(object):
 
1334
            def available(self):
 
1335
                return True
 
1336
        test._test_needs_features = [EnabledFeature()]
 
1337
        result = unittest.TestResult()
 
1338
        test.run(result)
 
1339
        self.assertEqual(1, result.testsRun)
 
1340
        self.assertEqual([], result.errors)
 
1341
        self.assertEqual([], result.failures)
 
1342
 
 
1343
    def test_run_disabled_unittest_result(self):
 
1344
        """Test our compatability for disabled tests with unittest results."""
 
1345
        test = SampleTestCase('_test_pass')
 
1346
        class DisabledFeature(object):
 
1347
            def available(self):
 
1348
                return False
 
1349
        test._test_needs_features = [DisabledFeature()]
 
1350
        result = unittest.TestResult()
 
1351
        test.run(result)
 
1352
        self.assertEqual(1, result.testsRun)
 
1353
        self.assertEqual([], result.errors)
 
1354
        self.assertEqual([], result.failures)
 
1355
 
 
1356
    def test_run_disabled_supporting_result(self):
 
1357
        """Test disabled tests behaviour with support aware results."""
 
1358
        test = SampleTestCase('_test_pass')
 
1359
        class DisabledFeature(object):
 
1360
            def available(self):
 
1361
                return False
 
1362
        the_feature = DisabledFeature()
 
1363
        test._test_needs_features = [the_feature]
 
1364
        class InstrumentedTestResult(unittest.TestResult):
 
1365
            def __init__(self):
 
1366
                unittest.TestResult.__init__(self)
 
1367
                self.calls = []
 
1368
            def startTest(self, test):
 
1369
                self.calls.append(('startTest', test))
 
1370
            def stopTest(self, test):
 
1371
                self.calls.append(('stopTest', test))
 
1372
            def addNotSupported(self, test, feature):
 
1373
                self.calls.append(('addNotSupported', test, feature))
 
1374
        result = InstrumentedTestResult()
 
1375
        test.run(result)
 
1376
        self.assertEqual([
 
1377
            ('startTest', test),
 
1378
            ('addNotSupported', test, the_feature),
 
1379
            ('stopTest', test),
 
1380
            ],
 
1381
            result.calls)
 
1382
 
 
1383
 
 
1384
@symbol_versioning.deprecated_function(zero_eleven)
 
1385
def sample_deprecated_function():
 
1386
    """A deprecated function to test applyDeprecated with."""
 
1387
    return 2
 
1388
 
 
1389
 
 
1390
def sample_undeprecated_function(a_param):
 
1391
    """A undeprecated function to test applyDeprecated with."""
 
1392
 
 
1393
 
 
1394
class ApplyDeprecatedHelper(object):
 
1395
    """A helper class for ApplyDeprecated tests."""
 
1396
 
 
1397
    @symbol_versioning.deprecated_method(zero_eleven)
 
1398
    def sample_deprecated_method(self, param_one):
 
1399
        """A deprecated method for testing with."""
 
1400
        return param_one
 
1401
 
 
1402
    def sample_normal_method(self):
 
1403
        """A undeprecated method."""
 
1404
 
 
1405
    @symbol_versioning.deprecated_method(zero_ten)
 
1406
    def sample_nested_deprecation(self):
 
1407
        return sample_deprecated_function()
 
1408
 
 
1409
 
 
1410
class TestExtraAssertions(TestCase):
 
1411
    """Tests for new test assertions in bzrlib test suite"""
 
1412
 
 
1413
    def test_assert_isinstance(self):
 
1414
        self.assertIsInstance(2, int)
 
1415
        self.assertIsInstance(u'', basestring)
 
1416
        self.assertRaises(AssertionError, self.assertIsInstance, None, int)
 
1417
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
 
1418
 
 
1419
    def test_assertEndsWith(self):
 
1420
        self.assertEndsWith('foo', 'oo')
 
1421
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
 
1422
 
 
1423
    def test_applyDeprecated_not_deprecated(self):
 
1424
        sample_object = ApplyDeprecatedHelper()
 
1425
        # calling an undeprecated callable raises an assertion
 
1426
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
1427
            sample_object.sample_normal_method)
 
1428
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
1429
            sample_undeprecated_function, "a param value")
 
1430
        # calling a deprecated callable (function or method) with the wrong
 
1431
        # expected deprecation fails.
 
1432
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
1433
            sample_object.sample_deprecated_method, "a param value")
 
1434
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
1435
            sample_deprecated_function)
 
1436
        # calling a deprecated callable (function or method) with the right
 
1437
        # expected deprecation returns the functions result.
 
1438
        self.assertEqual("a param value", self.applyDeprecated(zero_eleven,
 
1439
            sample_object.sample_deprecated_method, "a param value"))
 
1440
        self.assertEqual(2, self.applyDeprecated(zero_eleven,
 
1441
            sample_deprecated_function))
 
1442
        # calling a nested deprecation with the wrong deprecation version
 
1443
        # fails even if a deeper nested function was deprecated with the 
 
1444
        # supplied version.
 
1445
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1446
            zero_eleven, sample_object.sample_nested_deprecation)
 
1447
        # calling a nested deprecation with the right deprecation value
 
1448
        # returns the calls result.
 
1449
        self.assertEqual(2, self.applyDeprecated(zero_ten,
 
1450
            sample_object.sample_nested_deprecation))
 
1451
 
 
1452
    def test_callDeprecated(self):
 
1453
        def testfunc(be_deprecated, result=None):
 
1454
            if be_deprecated is True:
 
1455
                symbol_versioning.warn('i am deprecated', DeprecationWarning, 
 
1456
                                       stacklevel=1)
 
1457
            return result
 
1458
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
 
1459
        self.assertIs(None, result)
 
1460
        result = self.callDeprecated([], testfunc, False, 'result')
 
1461
        self.assertEqual('result', result)
 
1462
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
 
1463
        self.callDeprecated([], testfunc, be_deprecated=False)
 
1464
 
 
1465
 
 
1466
class TestConvenienceMakers(TestCaseWithTransport):
 
1467
    """Test for the make_* convenience functions."""
 
1468
 
 
1469
    def test_make_branch_and_tree_with_format(self):
 
1470
        # we should be able to supply a format to make_branch_and_tree
 
1471
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
 
1472
        self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
 
1473
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
 
1474
                              bzrlib.bzrdir.BzrDirMetaFormat1)
 
1475
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
 
1476
                              bzrlib.bzrdir.BzrDirFormat6)
 
1477
 
 
1478
    def test_make_branch_and_memory_tree(self):
 
1479
        # we should be able to get a new branch and a mutable tree from
 
1480
        # TestCaseWithTransport
 
1481
        tree = self.make_branch_and_memory_tree('a')
 
1482
        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
 
1483
 
 
1484
 
 
1485
class TestSFTPMakeBranchAndTree(TestCaseWithSFTPServer):
 
1486
 
 
1487
    def test_make_tree_for_sftp_branch(self):
 
1488
        """Transports backed by local directories create local trees."""
 
1489
 
 
1490
        tree = self.make_branch_and_tree('t1')
 
1491
        base = tree.bzrdir.root_transport.base
 
1492
        self.failIf(base.startswith('sftp'),
 
1493
                'base %r is on sftp but should be local' % base)
 
1494
        self.assertEquals(tree.bzrdir.root_transport,
 
1495
                tree.branch.bzrdir.root_transport)
 
1496
        self.assertEquals(tree.bzrdir.root_transport,
 
1497
                tree.branch.repository.bzrdir.root_transport)
 
1498
 
 
1499
 
 
1500
class TestSelftest(TestCase):
 
1501
    """Tests of bzrlib.tests.selftest."""
 
1502
 
 
1503
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
 
1504
        factory_called = []
 
1505
        def factory():
 
1506
            factory_called.append(True)
 
1507
            return TestSuite()
 
1508
        out = StringIO()
 
1509
        err = StringIO()
 
1510
        self.apply_redirected(out, err, None, bzrlib.tests.selftest, 
 
1511
            test_suite_factory=factory)
 
1512
        self.assertEqual([True], factory_called)
 
1513
 
 
1514
 
 
1515
class TestSelftestCleanOutput(TestCaseInTempDir):
 
1516
 
 
1517
    def test_clean_output(self):
 
1518
        # test functionality of clean_selftest_output()
 
1519
        self.build_tree(['test0000.tmp/', 'test0001.tmp/',
 
1520
                         'bzrlib/', 'tests/',
 
1521
                         'bzr', 'setup.py', 'test9999.tmp'])
 
1522
 
 
1523
        root = os.getcwdu()
 
1524
        before = os.listdir(root)
 
1525
        before.sort()
 
1526
        self.assertEquals(['bzr','bzrlib','setup.py',
 
1527
                           'test0000.tmp','test0001.tmp',
 
1528
                           'test9999.tmp','tests'],
 
1529
                           before)
 
1530
        clean_selftest_output(root, quiet=True)
 
1531
        after = os.listdir(root)
 
1532
        after.sort()
 
1533
        self.assertEquals(['bzr','bzrlib','setup.py',
 
1534
                           'test9999.tmp','tests'],
 
1535
                           after)
 
1536
 
 
1537
    def test_clean_readonly(self):
 
1538
        # test for delete read-only files
 
1539
        self.build_tree(['test0000.tmp/', 'test0000.tmp/foo'])
 
1540
        osutils.make_readonly('test0000.tmp/foo')
 
1541
        root = os.getcwdu()
 
1542
        before = os.listdir(root);  before.sort()
 
1543
        self.assertEquals(['test0000.tmp'], before)
 
1544
        clean_selftest_output(root, quiet=True)
 
1545
        after = os.listdir(root);   after.sort()
 
1546
        self.assertEquals([], after)
 
1547
 
 
1548
 
 
1549
class TestKnownFailure(TestCase):
 
1550
 
 
1551
    def test_known_failure(self):
 
1552
        """Check that KnownFailure is defined appropriately."""
 
1553
        # a KnownFailure is an assertion error for compatability with unaware
 
1554
        # runners.
 
1555
        self.assertIsInstance(KnownFailure(""), AssertionError)
 
1556
 
 
1557
    def test_expect_failure(self):
 
1558
        try:
 
1559
            self.expectFailure("Doomed to failure", self.assertTrue, False)
 
1560
        except KnownFailure, e:
 
1561
            self.assertEqual('Doomed to failure', e.args[0])
 
1562
        try:
 
1563
            self.expectFailure("Doomed to failure", self.assertTrue, True)
 
1564
        except AssertionError, e:
 
1565
            self.assertEqual('Unexpected success.  Should have failed:'
 
1566
                             ' Doomed to failure', e.args[0])
 
1567
        else:
 
1568
            self.fail('Assertion not raised')
 
1569
 
 
1570
 
 
1571
class TestFeature(TestCase):
 
1572
 
 
1573
    def test_caching(self):
 
1574
        """Feature._probe is called by the feature at most once."""
 
1575
        class InstrumentedFeature(Feature):
 
1576
            def __init__(self):
 
1577
                Feature.__init__(self)
 
1578
                self.calls = []
 
1579
            def _probe(self):
 
1580
                self.calls.append('_probe')
 
1581
                return False
 
1582
        feature = InstrumentedFeature()
 
1583
        feature.available()
 
1584
        self.assertEqual(['_probe'], feature.calls)
 
1585
        feature.available()
 
1586
        self.assertEqual(['_probe'], feature.calls)
 
1587
 
 
1588
    def test_named_str(self):
 
1589
        """Feature.__str__ should thunk to feature_name()."""
 
1590
        class NamedFeature(Feature):
 
1591
            def feature_name(self):
 
1592
                return 'symlinks'
 
1593
        feature = NamedFeature()
 
1594
        self.assertEqual('symlinks', str(feature))
 
1595
 
 
1596
    def test_default_str(self):
 
1597
        """Feature.__str__ should default to __class__.__name__."""
 
1598
        class NamedFeature(Feature):
 
1599
            pass
 
1600
        feature = NamedFeature()
 
1601
        self.assertEqual('NamedFeature', str(feature))
 
1602
 
 
1603
 
 
1604
class TestUnavailableFeature(TestCase):
 
1605
 
 
1606
    def test_access_feature(self):
 
1607
        feature = Feature()
 
1608
        exception = UnavailableFeature(feature)
 
1609
        self.assertIs(feature, exception.args[0])
 
1610
 
 
1611
 
 
1612
class TestSelftestFiltering(TestCase):
 
1613
 
 
1614
    def setUp(self):
 
1615
        self.suite = TestUtil.TestSuite()
 
1616
        self.loader = TestUtil.TestLoader()
 
1617
        self.suite.addTest(self.loader.loadTestsFromModuleNames([
 
1618
            'bzrlib.tests.test_selftest']))
 
1619
        self.all_names = [t.id() for t in iter_suite_tests(self.suite)]
 
1620
 
 
1621
    def test_filter_suite_by_re(self):
 
1622
        filtered_suite = filter_suite_by_re(self.suite, 'test_filter')
 
1623
        filtered_names = [t.id() for t in iter_suite_tests(filtered_suite)]
 
1624
        self.assertEqual(filtered_names, ['bzrlib.tests.test_selftest.'
 
1625
            'TestSelftestFiltering.test_filter_suite_by_re'])
 
1626
            
 
1627
    def test_sort_suite_by_re(self):
 
1628
        sorted_suite = sort_suite_by_re(self.suite, 'test_filter')
 
1629
        sorted_names = [t.id() for t in iter_suite_tests(sorted_suite)]
 
1630
        self.assertEqual(sorted_names[0], 'bzrlib.tests.test_selftest.'
 
1631
            'TestSelftestFiltering.test_filter_suite_by_re')
 
1632
        self.assertEquals(sorted(self.all_names), sorted(sorted_names))
 
1633
 
 
1634
 
 
1635
class TestCheckInventoryShape(TestCaseWithTransport):
 
1636
 
 
1637
    def test_check_inventory_shape(self):
 
1638
        files = ['a', 'b/', 'b/c']
 
1639
        tree = self.make_branch_and_tree('.')
 
1640
        self.build_tree(files)
 
1641
        tree.add(files)
 
1642
        tree.lock_read()
 
1643
        try:
 
1644
            self.check_inventory_shape(tree.inventory, files)
 
1645
        finally:
 
1646
            tree.unlock()