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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 (
 
39
        zero_ten,
 
40
        zero_eleven,
 
41
        )
 
42
from bzrlib.tests import (
 
43
                          ChrootedTestCase,
 
44
                          ExtendedTestResult,
 
45
                          Feature,
 
46
                          KnownFailure,
 
47
                          TestCase,
 
48
                          TestCaseInTempDir,
 
49
                          TestCaseWithMemoryTransport,
 
50
                          TestCaseWithTransport,
 
51
                          TestSkipped,
 
52
                          TestSuite,
 
53
                          TestUtil,
 
54
                          TextTestRunner,
 
55
                          UnavailableFeature,
 
56
                          iter_suite_tests,
 
57
                          filter_suite_by_re,
 
58
                          sort_suite_by_re,
 
59
                          test_lsprof,
 
60
                          test_suite,
 
61
                          )
 
62
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
 
63
from bzrlib.tests.TestUtil import _load_module_by_name
 
64
from bzrlib.trace import note
 
65
from bzrlib.transport.memory import MemoryServer, MemoryTransport
 
66
from bzrlib.version import _get_bzr_source_tree
 
67
 
 
68
 
 
69
class SelftestTests(TestCase):
 
70
 
 
71
    def test_import_tests(self):
 
72
        mod = _load_module_by_name('bzrlib.tests.test_selftest')
 
73
        self.assertEqual(mod.SelftestTests, SelftestTests)
 
74
 
 
75
    def test_import_test_failure(self):
 
76
        self.assertRaises(ImportError,
 
77
                          _load_module_by_name,
 
78
                          'bzrlib.no-name-yet')
 
79
 
 
80
class MetaTestLog(TestCase):
 
81
 
 
82
    def test_logging(self):
 
83
        """Test logs are captured when a test fails."""
 
84
        self.log('a test message')
 
85
        self._log_file.flush()
 
86
        self.assertContainsRe(self._get_log(keep_log_file=True),
 
87
                              'a test message\n')
 
88
 
 
89
 
 
90
class TestTreeShape(TestCaseInTempDir):
 
91
 
 
92
    def test_unicode_paths(self):
 
93
        filename = u'hell\u00d8'
 
94
        try:
 
95
            self.build_tree_contents([(filename, 'contents of hello')])
 
96
        except UnicodeEncodeError:
 
97
            raise TestSkipped("can't build unicode working tree in "
 
98
                "filesystem encoding %s" % sys.getfilesystemencoding())
 
99
        self.failUnlessExists(filename)
 
100
 
 
101
 
 
102
class TestTransportProviderAdapter(TestCase):
 
103
    """A group of tests that test the transport implementation adaption core.
 
104
 
 
105
    This is a meta test that the tests are applied to all available 
 
106
    transports.
 
107
 
 
108
    This will be generalised in the future which is why it is in this 
 
109
    test file even though it is specific to transport tests at the moment.
 
110
    """
 
111
 
 
112
    def test_get_transport_permutations(self):
 
113
        # this checks that we the module get_test_permutations call
 
114
        # is made by the adapter get_transport_test_permitations method.
 
115
        class MockModule(object):
 
116
            def get_test_permutations(self):
 
117
                return sample_permutation
 
118
        sample_permutation = [(1,2), (3,4)]
 
119
        from bzrlib.tests.test_transport_implementations \
 
120
            import TransportTestProviderAdapter
 
121
        adapter = TransportTestProviderAdapter()
 
122
        self.assertEqual(sample_permutation,
 
123
                         adapter.get_transport_test_permutations(MockModule()))
 
124
 
 
125
    def test_adapter_checks_all_modules(self):
 
126
        # this checks that the adapter returns as many permurtations as
 
127
        # there are in all the registered# transport modules for there
 
128
        # - we assume if this matches its probably doing the right thing
 
129
        # especially in combination with the tests for setting the right
 
130
        # classes below.
 
131
        from bzrlib.tests.test_transport_implementations \
 
132
            import TransportTestProviderAdapter
 
133
        from bzrlib.transport import _get_transport_modules
 
134
        modules = _get_transport_modules()
 
135
        permutation_count = 0
 
136
        for module in modules:
 
137
            try:
 
138
                permutation_count += len(reduce(getattr, 
 
139
                    (module + ".get_test_permutations").split('.')[1:],
 
140
                     __import__(module))())
 
141
            except errors.DependencyNotPresent:
 
142
                pass
 
143
        input_test = TestTransportProviderAdapter(
 
144
            "test_adapter_sets_transport_class")
 
145
        adapter = TransportTestProviderAdapter()
 
146
        self.assertEqual(permutation_count,
 
147
                         len(list(iter(adapter.adapt(input_test)))))
 
148
 
 
149
    def test_adapter_sets_transport_class(self):
 
150
        # Check that the test adapter inserts a transport and server into the
 
151
        # generated test.
 
152
        #
 
153
        # This test used to know about all the possible transports and the
 
154
        # order they were returned but that seems overly brittle (mbp
 
155
        # 20060307)
 
156
        from bzrlib.tests.test_transport_implementations \
 
157
            import TransportTestProviderAdapter
 
158
        scenarios = TransportTestProviderAdapter().scenarios
 
159
        # there are at least that many builtin transports
 
160
        self.assertTrue(len(scenarios) > 6)
 
161
        one_scenario = scenarios[0]
 
162
        self.assertIsInstance(one_scenario[0], str)
 
163
        self.assertTrue(issubclass(one_scenario[1]["transport_class"],
 
164
                                   bzrlib.transport.Transport))
 
165
        self.assertTrue(issubclass(one_scenario[1]["transport_server"],
 
166
                                   bzrlib.transport.Server))
 
167
 
 
168
 
 
169
class TestBranchProviderAdapter(TestCase):
 
170
    """A group of tests that test the branch implementation test adapter."""
 
171
 
 
172
    def test_constructor(self):
 
173
        # check that constructor parameters are passed through to the adapted
 
174
        # test.
 
175
        from bzrlib.tests.branch_implementations import BranchTestProviderAdapter
 
176
        server1 = "a"
 
177
        server2 = "b"
 
178
        formats = [("c", "C"), ("d", "D")]
 
179
        adapter = BranchTestProviderAdapter(server1, server2, formats)
 
180
        self.assertEqual(2, len(adapter.scenarios))
 
181
        self.assertEqual([
 
182
            ('str',
 
183
             {'branch_format': 'c',
 
184
              'bzrdir_format': 'C',
 
185
              'transport_readonly_server': 'b',
 
186
              'transport_server': 'a'}),
 
187
            ('str',
 
188
             {'branch_format': 'd',
 
189
              'bzrdir_format': 'D',
 
190
              'transport_readonly_server': 'b',
 
191
              'transport_server': 'a'})],
 
192
            adapter.scenarios)
 
193
 
 
194
 
 
195
class TestBzrDirProviderAdapter(TestCase):
 
196
    """A group of tests that test the bzr dir implementation test adapter."""
 
197
 
 
198
    def test_adapted_tests(self):
 
199
        # check that constructor parameters are passed through to the adapted
 
200
        # test.
 
201
        from bzrlib.tests.bzrdir_implementations import BzrDirTestProviderAdapter
 
202
        vfs_factory = "v"
 
203
        server1 = "a"
 
204
        server2 = "b"
 
205
        formats = ["c", "d"]
 
206
        adapter = BzrDirTestProviderAdapter(vfs_factory,
 
207
            server1, server2, formats)
 
208
        self.assertEqual([
 
209
            ('str',
 
210
             {'bzrdir_format': 'c',
 
211
              'transport_readonly_server': 'b',
 
212
              'transport_server': 'a',
 
213
              'vfs_transport_factory': 'v'}),
 
214
            ('str',
 
215
             {'bzrdir_format': 'd',
 
216
              'transport_readonly_server': 'b',
 
217
              'transport_server': 'a',
 
218
              'vfs_transport_factory': 'v'})],
 
219
            adapter.scenarios)
 
220
 
 
221
 
 
222
class TestRepositoryProviderAdapter(TestCase):
 
223
    """A group of tests that test the repository implementation test adapter."""
 
224
 
 
225
    def test_constructor(self):
 
226
        # check that constructor parameters are passed through to the
 
227
        # scenarios.
 
228
        from bzrlib.tests.repository_implementations import RepositoryTestProviderAdapter
 
229
        server1 = "a"
 
230
        server2 = "b"
 
231
        formats = [("c", "C"), ("d", "D")]
 
232
        adapter = RepositoryTestProviderAdapter(server1, server2, formats)
 
233
        self.assertEqual([
 
234
            ('str',
 
235
             {'bzrdir_format': 'C',
 
236
              'repository_format': 'c',
 
237
              'transport_readonly_server': 'b',
 
238
              'transport_server': 'a'}),
 
239
            ('str',
 
240
             {'bzrdir_format': 'D',
 
241
              'repository_format': 'd',
 
242
              'transport_readonly_server': 'b',
 
243
              'transport_server': 'a'})],
 
244
            adapter.scenarios)
 
245
 
 
246
    def test_setting_vfs_transport(self):
 
247
        """The vfs_transport_factory can be set optionally."""
 
248
        from bzrlib.tests.repository_implementations import RepositoryTestProviderAdapter
 
249
        formats = [("a", "b"), ("c", "d")]
 
250
        adapter = RepositoryTestProviderAdapter(None, None, formats,
 
251
            vfs_transport_factory="vfs")
 
252
        self.assertEqual([
 
253
            ('str',
 
254
             {'bzrdir_format': 'b',
 
255
              'repository_format': 'a',
 
256
              'transport_readonly_server': None,
 
257
              'transport_server': None,
 
258
              'vfs_transport_factory': 'vfs'}),
 
259
            ('str',
 
260
             {'bzrdir_format': 'd',
 
261
              'repository_format': 'c',
 
262
              'transport_readonly_server': None,
 
263
              'transport_server': None,
 
264
              'vfs_transport_factory': 'vfs'})],
 
265
            adapter.scenarios)
 
266
 
 
267
    def test_formats_to_scenarios(self):
 
268
        """The adapter can generate all the scenarios needed."""
 
269
        from bzrlib.tests.repository_implementations import RepositoryTestProviderAdapter
 
270
        no_vfs_adapter = RepositoryTestProviderAdapter("server", "readonly",
 
271
            [], None)
 
272
        vfs_adapter = RepositoryTestProviderAdapter("server", "readonly",
 
273
            [], vfs_transport_factory="vfs")
 
274
        # no_vfs generate scenarios without vfs_transport_factor
 
275
        formats = [("c", "C"), (1, "D")]
 
276
        self.assertEqual([
 
277
            ('str',
 
278
             {'bzrdir_format': 'C',
 
279
              'repository_format': 'c',
 
280
              'transport_readonly_server': 'readonly',
 
281
              'transport_server': 'server'}),
 
282
            ('int',
 
283
             {'bzrdir_format': 'D',
 
284
              'repository_format': 1,
 
285
              'transport_readonly_server': 'readonly',
 
286
              'transport_server': 'server'})],
 
287
            no_vfs_adapter.formats_to_scenarios(formats))
 
288
        self.assertEqual([
 
289
            ('str',
 
290
             {'bzrdir_format': 'C',
 
291
              'repository_format': 'c',
 
292
              'transport_readonly_server': 'readonly',
 
293
              'transport_server': 'server',
 
294
              'vfs_transport_factory': 'vfs'}),
 
295
            ('int',
 
296
             {'bzrdir_format': 'D',
 
297
              'repository_format': 1,
 
298
              'transport_readonly_server': 'readonly',
 
299
              'transport_server': 'server',
 
300
              'vfs_transport_factory': 'vfs'})],
 
301
            vfs_adapter.formats_to_scenarios(formats))
 
302
 
 
303
 
 
304
class TestTestScenarioApplier(TestCase):
 
305
    """Tests for the test adaption facilities."""
 
306
 
 
307
    def test_adapt_applies_scenarios(self):
 
308
        from bzrlib.tests.repository_implementations import TestScenarioApplier
 
309
        input_test = TestTestScenarioApplier("test_adapt_test_to_scenario")
 
310
        adapter = TestScenarioApplier()
 
311
        adapter.scenarios = [("1", "dict"), ("2", "settings")]
 
312
        calls = []
 
313
        def capture_call(test, scenario):
 
314
            calls.append((test, scenario))
 
315
            return test
 
316
        adapter.adapt_test_to_scenario = capture_call
 
317
        adapter.adapt(input_test)
 
318
        self.assertEqual([(input_test, ("1", "dict")),
 
319
            (input_test, ("2", "settings"))], calls)
 
320
 
 
321
    def test_adapt_test_to_scenario(self):
 
322
        from bzrlib.tests.repository_implementations import TestScenarioApplier
 
323
        input_test = TestTestScenarioApplier("test_adapt_test_to_scenario")
 
324
        adapter = TestScenarioApplier()
 
325
        # setup two adapted tests
 
326
        adapted_test1 = adapter.adapt_test_to_scenario(input_test,
 
327
            ("new id",
 
328
            {"bzrdir_format":"bzr_format",
 
329
             "repository_format":"repo_fmt",
 
330
             "transport_server":"transport_server",
 
331
             "transport_readonly_server":"readonly-server"}))
 
332
        adapted_test2 = adapter.adapt_test_to_scenario(input_test,
 
333
            ("new id 2", {"bzrdir_format":None}))
 
334
        # input_test should have been altered.
 
335
        self.assertRaises(AttributeError, getattr, input_test, "bzrdir_format")
 
336
        # the new tests are mutually incompatible, ensuring it has 
 
337
        # made new ones, and unspecified elements in the scenario
 
338
        # should not have been altered.
 
339
        self.assertEqual("bzr_format", adapted_test1.bzrdir_format)
 
340
        self.assertEqual("repo_fmt", adapted_test1.repository_format)
 
341
        self.assertEqual("transport_server", adapted_test1.transport_server)
 
342
        self.assertEqual("readonly-server",
 
343
            adapted_test1.transport_readonly_server)
 
344
        self.assertEqual(
 
345
            "bzrlib.tests.test_selftest.TestTestScenarioApplier."
 
346
            "test_adapt_test_to_scenario(new id)",
 
347
            adapted_test1.id())
 
348
        self.assertEqual(None, adapted_test2.bzrdir_format)
 
349
        self.assertEqual(
 
350
            "bzrlib.tests.test_selftest.TestTestScenarioApplier."
 
351
            "test_adapt_test_to_scenario(new id 2)",
 
352
            adapted_test2.id())
 
353
 
 
354
 
 
355
class TestInterRepositoryProviderAdapter(TestCase):
 
356
    """A group of tests that test the InterRepository test adapter."""
 
357
 
 
358
    def test_adapted_tests(self):
 
359
        # check that constructor parameters are passed through to the adapted
 
360
        # test.
 
361
        from bzrlib.tests.interrepository_implementations import \
 
362
            InterRepositoryTestProviderAdapter
 
363
        server1 = "a"
 
364
        server2 = "b"
 
365
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
366
        adapter = InterRepositoryTestProviderAdapter(server1, server2, formats)
 
367
        self.assertEqual([
 
368
            ('str',
 
369
             {'interrepo_class': str,
 
370
              'repository_format': 'C1',
 
371
              'repository_format_to': 'C2',
 
372
              'transport_readonly_server': 'b',
 
373
              'transport_server': 'a'}),
 
374
            ('int',
 
375
             {'interrepo_class': int,
 
376
              'repository_format': 'D1',
 
377
              'repository_format_to': 'D2',
 
378
              'transport_readonly_server': 'b',
 
379
              'transport_server': 'a'})],
 
380
            adapter.formats_to_scenarios(formats))
 
381
 
 
382
 
 
383
class TestInterVersionedFileProviderAdapter(TestCase):
 
384
    """A group of tests that test the InterVersionedFile test adapter."""
 
385
 
 
386
    def test_scenarios(self):
 
387
        # check that constructor parameters are passed through to the adapted
 
388
        # test.
 
389
        from bzrlib.tests.interversionedfile_implementations \
 
390
            import InterVersionedFileTestProviderAdapter
 
391
        server1 = "a"
 
392
        server2 = "b"
 
393
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
394
        adapter = InterVersionedFileTestProviderAdapter(server1, server2, formats)
 
395
        self.assertEqual([
 
396
            ('str',
 
397
             {'interversionedfile_class':str,
 
398
              'transport_readonly_server': 'b',
 
399
              'transport_server': 'a',
 
400
              'versionedfile_factory': 'C1',
 
401
              'versionedfile_factory_to': 'C2'}),
 
402
            ('int',
 
403
             {'interversionedfile_class': int,
 
404
              'transport_readonly_server': 'b',
 
405
              'transport_server': 'a',
 
406
              'versionedfile_factory': 'D1',
 
407
              'versionedfile_factory_to': 'D2'})],
 
408
            adapter.scenarios)
 
409
 
 
410
 
 
411
class TestRevisionStoreProviderAdapter(TestCase):
 
412
    """A group of tests that test the RevisionStore test adapter."""
 
413
 
 
414
    def test_scenarios(self):
 
415
        # check that constructor parameters are passed through to the adapted
 
416
        # test.
 
417
        from bzrlib.tests.revisionstore_implementations \
 
418
            import RevisionStoreTestProviderAdapter
 
419
        # revision stores need a store factory - i.e. RevisionKnit
 
420
        #, a readonly and rw transport 
 
421
        # transport servers:
 
422
        server1 = "a"
 
423
        server2 = "b"
 
424
        store_factories = ["c", "d"]
 
425
        adapter = RevisionStoreTestProviderAdapter(server1, server2, store_factories)
 
426
        self.assertEqual([
 
427
            ('c',
 
428
             {'store_factory': 'c',
 
429
              'transport_readonly_server': 'b',
 
430
              'transport_server': 'a'}),
 
431
            ('d',
 
432
             {'store_factory': 'd',
 
433
              'transport_readonly_server': 'b',
 
434
              'transport_server': 'a'})],
 
435
            adapter.scenarios)
 
436
 
 
437
 
 
438
class TestWorkingTreeProviderAdapter(TestCase):
 
439
    """A group of tests that test the workingtree implementation test adapter."""
 
440
 
 
441
    def test_scenarios(self):
 
442
        # check that constructor parameters are passed through to the adapted
 
443
        # test.
 
444
        from bzrlib.tests.workingtree_implementations \
 
445
            import WorkingTreeTestProviderAdapter
 
446
        server1 = "a"
 
447
        server2 = "b"
 
448
        formats = [("c", "C"), ("d", "D")]
 
449
        adapter = WorkingTreeTestProviderAdapter(server1, server2, formats)
 
450
        self.assertEqual([
 
451
            ('str',
 
452
             {'bzrdir_format': 'C',
 
453
              'transport_readonly_server': 'b',
 
454
              'transport_server': 'a',
 
455
              'workingtree_format': 'c'}),
 
456
            ('str',
 
457
             {'bzrdir_format': 'D',
 
458
              'transport_readonly_server': 'b',
 
459
              'transport_server': 'a',
 
460
              'workingtree_format': 'd'})],
 
461
            adapter.scenarios)
 
462
 
 
463
 
 
464
class TestTreeProviderAdapter(TestCase):
 
465
    """Test the setup of tree_implementation tests."""
 
466
 
 
467
    def test_adapted_tests(self):
 
468
        # the tree implementation adapter is meant to setup one instance for
 
469
        # each working tree format, and one additional instance that will
 
470
        # use the default wt format, but create a revision tree for the tests.
 
471
        # this means that the wt ones should have the workingtree_to_test_tree
 
472
        # attribute set to 'return_parameter' and the revision one set to
 
473
        # revision_tree_from_workingtree.
 
474
 
 
475
        from bzrlib.tests.tree_implementations import (
 
476
            TreeTestProviderAdapter,
 
477
            return_parameter,
 
478
            revision_tree_from_workingtree
 
479
            )
 
480
        from bzrlib.workingtree import WorkingTreeFormat, WorkingTreeFormat3
 
481
        input_test = TestTreeProviderAdapter(
 
482
            "test_adapted_tests")
 
483
        server1 = "a"
 
484
        server2 = "b"
 
485
        formats = [("c", "C"), ("d", "D")]
 
486
        adapter = TreeTestProviderAdapter(server1, server2, formats)
 
487
        suite = adapter.adapt(input_test)
 
488
        tests = list(iter(suite))
 
489
        self.assertEqual(4, len(tests))
 
490
        # this must match the default format setp up in
 
491
        # TreeTestProviderAdapter.adapt
 
492
        default_format = WorkingTreeFormat3
 
493
        self.assertEqual(tests[0].workingtree_format, formats[0][0])
 
494
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
495
        self.assertEqual(tests[0].transport_server, server1)
 
496
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
497
        self.assertEqual(tests[0].workingtree_to_test_tree, return_parameter)
 
498
        self.assertEqual(tests[1].workingtree_format, formats[1][0])
 
499
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
500
        self.assertEqual(tests[1].transport_server, server1)
 
501
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
502
        self.assertEqual(tests[1].workingtree_to_test_tree, return_parameter)
 
503
        self.assertIsInstance(tests[2].workingtree_format, default_format)
 
504
        #self.assertEqual(tests[2].bzrdir_format,
 
505
        #                 default_format._matchingbzrdir)
 
506
        self.assertEqual(tests[2].transport_server, server1)
 
507
        self.assertEqual(tests[2].transport_readonly_server, server2)
 
508
        self.assertEqual(tests[2].workingtree_to_test_tree,
 
509
            revision_tree_from_workingtree)
 
510
 
 
511
 
 
512
class TestInterTreeProviderAdapter(TestCase):
 
513
    """A group of tests that test the InterTreeTestAdapter."""
 
514
 
 
515
    def test_adapted_tests(self):
 
516
        # check that constructor parameters are passed through to the adapted
 
517
        # test.
 
518
        # for InterTree tests we want the machinery to bring up two trees in
 
519
        # each instance: the base one, and the one we are interacting with.
 
520
        # because each optimiser can be direction specific, we need to test
 
521
        # each optimiser in its chosen direction.
 
522
        # unlike the TestProviderAdapter we dont want to automatically add a
 
523
        # parameterised one for WorkingTree - the optimisers will tell us what
 
524
        # ones to add.
 
525
        from bzrlib.tests.tree_implementations import (
 
526
            return_parameter,
 
527
            revision_tree_from_workingtree
 
528
            )
 
529
        from bzrlib.tests.intertree_implementations import (
 
530
            InterTreeTestProviderAdapter,
 
531
            )
 
532
        from bzrlib.workingtree import WorkingTreeFormat2, WorkingTreeFormat3
 
533
        input_test = TestInterTreeProviderAdapter(
 
534
            "test_adapted_tests")
 
535
        server1 = "a"
 
536
        server2 = "b"
 
537
        format1 = WorkingTreeFormat2()
 
538
        format2 = WorkingTreeFormat3()
 
539
        formats = [(str, format1, format2, "converter1"),
 
540
            (int, format2, format1, "converter2")]
 
541
        adapter = InterTreeTestProviderAdapter(server1, server2, formats)
 
542
        suite = adapter.adapt(input_test)
 
543
        tests = list(iter(suite))
 
544
        self.assertEqual(2, len(tests))
 
545
        self.assertEqual(tests[0].intertree_class, formats[0][0])
 
546
        self.assertEqual(tests[0].workingtree_format, formats[0][1])
 
547
        self.assertEqual(tests[0].workingtree_format_to, formats[0][2])
 
548
        self.assertEqual(tests[0].mutable_trees_to_test_trees, formats[0][3])
 
549
        self.assertEqual(tests[0].workingtree_to_test_tree, return_parameter)
 
550
        self.assertEqual(tests[0].transport_server, server1)
 
551
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
552
        self.assertEqual(tests[1].intertree_class, formats[1][0])
 
553
        self.assertEqual(tests[1].workingtree_format, formats[1][1])
 
554
        self.assertEqual(tests[1].workingtree_format_to, formats[1][2])
 
555
        self.assertEqual(tests[1].mutable_trees_to_test_trees, formats[1][3])
 
556
        self.assertEqual(tests[1].workingtree_to_test_tree, return_parameter)
 
557
        self.assertEqual(tests[1].transport_server, server1)
 
558
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
559
 
 
560
 
 
561
class TestTestCaseInTempDir(TestCaseInTempDir):
 
562
 
 
563
    def test_home_is_not_working(self):
 
564
        self.assertNotEqual(self.test_dir, self.test_home_dir)
 
565
        cwd = osutils.getcwd()
 
566
        self.assertEqual(self.test_dir, cwd)
 
567
        self.assertEqual(self.test_home_dir, os.environ['HOME'])
 
568
 
 
569
 
 
570
class TestTestCaseWithMemoryTransport(TestCaseWithMemoryTransport):
 
571
 
 
572
    def test_home_is_non_existant_dir_under_root(self):
 
573
        """The test_home_dir for TestCaseWithMemoryTransport is missing.
 
574
 
 
575
        This is because TestCaseWithMemoryTransport is for tests that do not
 
576
        need any disk resources: they should be hooked into bzrlib in such a 
 
577
        way that no global settings are being changed by the test (only a 
 
578
        few tests should need to do that), and having a missing dir as home is
 
579
        an effective way to ensure that this is the case.
 
580
        """
 
581
        self.assertEqual(self.TEST_ROOT + "/MemoryTransportMissingHomeDir",
 
582
            self.test_home_dir)
 
583
        self.assertEqual(self.test_home_dir, os.environ['HOME'])
 
584
        
 
585
    def test_cwd_is_TEST_ROOT(self):
 
586
        self.assertEqual(self.test_dir, self.TEST_ROOT)
 
587
        cwd = osutils.getcwd()
 
588
        self.assertEqual(self.test_dir, cwd)
 
589
 
 
590
    def test_make_branch_and_memory_tree(self):
 
591
        """In TestCaseWithMemoryTransport we should not make the branch on disk.
 
592
 
 
593
        This is hard to comprehensively robustly test, so we settle for making
 
594
        a branch and checking no directory was created at its relpath.
 
595
        """
 
596
        tree = self.make_branch_and_memory_tree('dir')
 
597
        # Guard against regression into MemoryTransport leaking
 
598
        # files to disk instead of keeping them in memory.
 
599
        self.failIf(osutils.lexists('dir'))
 
600
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
601
 
 
602
    def test_make_branch_and_memory_tree_with_format(self):
 
603
        """make_branch_and_memory_tree should accept a format option."""
 
604
        format = bzrdir.BzrDirMetaFormat1()
 
605
        format.repository_format = weaverepo.RepositoryFormat7()
 
606
        tree = self.make_branch_and_memory_tree('dir', format=format)
 
607
        # Guard against regression into MemoryTransport leaking
 
608
        # files to disk instead of keeping them in memory.
 
609
        self.failIf(osutils.lexists('dir'))
 
610
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
611
        self.assertEqual(format.repository_format.__class__,
 
612
            tree.branch.repository._format.__class__)
 
613
 
 
614
 
 
615
class TestTestCaseWithTransport(TestCaseWithTransport):
 
616
    """Tests for the convenience functions TestCaseWithTransport introduces."""
 
617
 
 
618
    def test_get_readonly_url_none(self):
 
619
        from bzrlib.transport import get_transport
 
620
        from bzrlib.transport.memory import MemoryServer
 
621
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
622
        self.vfs_transport_factory = MemoryServer
 
623
        self.transport_readonly_server = None
 
624
        # calling get_readonly_transport() constructs a decorator on the url
 
625
        # for the server
 
626
        url = self.get_readonly_url()
 
627
        url2 = self.get_readonly_url('foo/bar')
 
628
        t = get_transport(url)
 
629
        t2 = get_transport(url2)
 
630
        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
 
631
        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
 
632
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
633
 
 
634
    def test_get_readonly_url_http(self):
 
635
        from bzrlib.tests.HttpServer import HttpServer
 
636
        from bzrlib.transport import get_transport
 
637
        from bzrlib.transport.local import LocalURLServer
 
638
        from bzrlib.transport.http import HttpTransportBase
 
639
        self.transport_server = LocalURLServer
 
640
        self.transport_readonly_server = HttpServer
 
641
        # calling get_readonly_transport() gives us a HTTP server instance.
 
642
        url = self.get_readonly_url()
 
643
        url2 = self.get_readonly_url('foo/bar')
 
644
        # the transport returned may be any HttpTransportBase subclass
 
645
        t = get_transport(url)
 
646
        t2 = get_transport(url2)
 
647
        self.failUnless(isinstance(t, HttpTransportBase))
 
648
        self.failUnless(isinstance(t2, HttpTransportBase))
 
649
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
650
 
 
651
    def test_is_directory(self):
 
652
        """Test assertIsDirectory assertion"""
 
653
        t = self.get_transport()
 
654
        self.build_tree(['a_dir/', 'a_file'], transport=t)
 
655
        self.assertIsDirectory('a_dir', t)
 
656
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
 
657
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
 
658
 
 
659
 
 
660
class TestTestCaseTransports(TestCaseWithTransport):
 
661
 
 
662
    def setUp(self):
 
663
        super(TestTestCaseTransports, self).setUp()
 
664
        self.vfs_transport_factory = MemoryServer
 
665
 
 
666
    def test_make_bzrdir_preserves_transport(self):
 
667
        t = self.get_transport()
 
668
        result_bzrdir = self.make_bzrdir('subdir')
 
669
        self.assertIsInstance(result_bzrdir.transport, 
 
670
                              MemoryTransport)
 
671
        # should not be on disk, should only be in memory
 
672
        self.failIfExists('subdir')
 
673
 
 
674
 
 
675
class TestChrootedTest(ChrootedTestCase):
 
676
 
 
677
    def test_root_is_root(self):
 
678
        from bzrlib.transport import get_transport
 
679
        t = get_transport(self.get_readonly_url())
 
680
        url = t.base
 
681
        self.assertEqual(url, t.clone('..').base)
 
682
 
 
683
 
 
684
class MockProgress(_BaseProgressBar):
 
685
    """Progress-bar standin that records calls.
 
686
 
 
687
    Useful for testing pb using code.
 
688
    """
 
689
 
 
690
    def __init__(self):
 
691
        _BaseProgressBar.__init__(self)
 
692
        self.calls = []
 
693
 
 
694
    def tick(self):
 
695
        self.calls.append(('tick',))
 
696
 
 
697
    def update(self, msg=None, current=None, total=None):
 
698
        self.calls.append(('update', msg, current, total))
 
699
 
 
700
    def clear(self):
 
701
        self.calls.append(('clear',))
 
702
 
 
703
    def note(self, msg, *args):
 
704
        self.calls.append(('note', msg, args))
 
705
 
 
706
 
 
707
class TestTestResult(TestCase):
 
708
 
 
709
    def test_elapsed_time_with_benchmarking(self):
 
710
        result = bzrlib.tests.TextTestResult(self._log_file,
 
711
                                        descriptions=0,
 
712
                                        verbosity=1,
 
713
                                        )
 
714
        result._recordTestStartTime()
 
715
        time.sleep(0.003)
 
716
        result.extractBenchmarkTime(self)
 
717
        timed_string = result._testTimeString()
 
718
        # without explicit benchmarking, we should get a simple time.
 
719
        self.assertContainsRe(timed_string, "^ +[0-9]+ms$")
 
720
        # if a benchmark time is given, we want a x of y style result.
 
721
        self.time(time.sleep, 0.001)
 
722
        result.extractBenchmarkTime(self)
 
723
        timed_string = result._testTimeString()
 
724
        self.assertContainsRe(
 
725
            timed_string, "^ +[0-9]+ms/ +[0-9]+ms$")
 
726
        # extracting the time from a non-bzrlib testcase sets to None
 
727
        result._recordTestStartTime()
 
728
        result.extractBenchmarkTime(
 
729
            unittest.FunctionTestCase(self.test_elapsed_time_with_benchmarking))
 
730
        timed_string = result._testTimeString()
 
731
        self.assertContainsRe(timed_string, "^ +[0-9]+ms$")
 
732
        # cheat. Yes, wash thy mouth out with soap.
 
733
        self._benchtime = None
 
734
 
 
735
    def test_assigned_benchmark_file_stores_date(self):
 
736
        output = StringIO()
 
737
        result = bzrlib.tests.TextTestResult(self._log_file,
 
738
                                        descriptions=0,
 
739
                                        verbosity=1,
 
740
                                        bench_history=output
 
741
                                        )
 
742
        output_string = output.getvalue()
 
743
        
 
744
        # if you are wondering about the regexp please read the comment in
 
745
        # test_bench_history (bzrlib.tests.test_selftest.TestRunner)
 
746
        # XXX: what comment?  -- Andrew Bennetts
 
747
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
748
 
 
749
    def test_benchhistory_records_test_times(self):
 
750
        result_stream = StringIO()
 
751
        result = bzrlib.tests.TextTestResult(
 
752
            self._log_file,
 
753
            descriptions=0,
 
754
            verbosity=1,
 
755
            bench_history=result_stream
 
756
            )
 
757
 
 
758
        # we want profile a call and check that its test duration is recorded
 
759
        # make a new test instance that when run will generate a benchmark
 
760
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
761
        # execute the test, which should succeed and record times
 
762
        example_test_case.run(result)
 
763
        lines = result_stream.getvalue().splitlines()
 
764
        self.assertEqual(2, len(lines))
 
765
        self.assertContainsRe(lines[1],
 
766
            " *[0-9]+ms bzrlib.tests.test_selftest.TestTestResult"
 
767
            "._time_hello_world_encoding")
 
768
 
 
769
    def _time_hello_world_encoding(self):
 
770
        """Profile two sleep calls
 
771
        
 
772
        This is used to exercise the test framework.
 
773
        """
 
774
        self.time(unicode, 'hello', errors='replace')
 
775
        self.time(unicode, 'world', errors='replace')
 
776
 
 
777
    def test_lsprofiling(self):
 
778
        """Verbose test result prints lsprof statistics from test cases."""
 
779
        self.requireFeature(test_lsprof.LSProfFeature)
 
780
        result_stream = StringIO()
 
781
        result = bzrlib.tests.VerboseTestResult(
 
782
            unittest._WritelnDecorator(result_stream),
 
783
            descriptions=0,
 
784
            verbosity=2,
 
785
            )
 
786
        # we want profile a call of some sort and check it is output by
 
787
        # addSuccess. We dont care about addError or addFailure as they
 
788
        # are not that interesting for performance tuning.
 
789
        # make a new test instance that when run will generate a profile
 
790
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
791
        example_test_case._gather_lsprof_in_benchmarks = True
 
792
        # execute the test, which should succeed and record profiles
 
793
        example_test_case.run(result)
 
794
        # lsprofile_something()
 
795
        # if this worked we want 
 
796
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
 
797
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
 
798
        # (the lsprof header)
 
799
        # ... an arbitrary number of lines
 
800
        # and the function call which is time.sleep.
 
801
        #           1        0            ???         ???       ???(sleep) 
 
802
        # and then repeated but with 'world', rather than 'hello'.
 
803
        # this should appear in the output stream of our test result.
 
804
        output = result_stream.getvalue()
 
805
        self.assertContainsRe(output,
 
806
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
 
807
        self.assertContainsRe(output,
 
808
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
 
809
        self.assertContainsRe(output,
 
810
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
 
811
        self.assertContainsRe(output,
 
812
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
 
813
 
 
814
    def test_known_failure(self):
 
815
        """A KnownFailure being raised should trigger several result actions."""
 
816
        class InstrumentedTestResult(ExtendedTestResult):
 
817
 
 
818
            def report_test_start(self, test): pass
 
819
            def report_known_failure(self, test, err):
 
820
                self._call = test, err
 
821
        result = InstrumentedTestResult(None, None, None, None)
 
822
        def test_function():
 
823
            raise KnownFailure('failed!')
 
824
        test = unittest.FunctionTestCase(test_function)
 
825
        test.run(result)
 
826
        # it should invoke 'report_known_failure'.
 
827
        self.assertEqual(2, len(result._call))
 
828
        self.assertEqual(test, result._call[0])
 
829
        self.assertEqual(KnownFailure, result._call[1][0])
 
830
        self.assertIsInstance(result._call[1][1], KnownFailure)
 
831
        # we dont introspec the traceback, if the rest is ok, it would be
 
832
        # exceptional for it not to be.
 
833
        # it should update the known_failure_count on the object.
 
834
        self.assertEqual(1, result.known_failure_count)
 
835
        # the result should be successful.
 
836
        self.assertTrue(result.wasSuccessful())
 
837
 
 
838
    def test_verbose_report_known_failure(self):
 
839
        # verbose test output formatting
 
840
        result_stream = StringIO()
 
841
        result = bzrlib.tests.VerboseTestResult(
 
842
            unittest._WritelnDecorator(result_stream),
 
843
            descriptions=0,
 
844
            verbosity=2,
 
845
            )
 
846
        test = self.get_passing_test()
 
847
        result.startTest(test)
 
848
        result.extractBenchmarkTime(test)
 
849
        prefix = len(result_stream.getvalue())
 
850
        # the err parameter has the shape:
 
851
        # (class, exception object, traceback)
 
852
        # KnownFailures dont get their tracebacks shown though, so we
 
853
        # can skip that.
 
854
        err = (KnownFailure, KnownFailure('foo'), None)
 
855
        result.report_known_failure(test, err)
 
856
        output = result_stream.getvalue()[prefix:]
 
857
        lines = output.splitlines()
 
858
        self.assertContainsRe(lines[0], r'XFAIL *\d+ms$')
 
859
        self.assertEqual(lines[1], '    foo')
 
860
        self.assertEqual(2, len(lines))
 
861
 
 
862
    def test_text_report_known_failure(self):
 
863
        # text test output formatting
 
864
        pb = MockProgress()
 
865
        result = bzrlib.tests.TextTestResult(
 
866
            None,
 
867
            descriptions=0,
 
868
            verbosity=1,
 
869
            pb=pb,
 
870
            )
 
871
        test = self.get_passing_test()
 
872
        # this seeds the state to handle reporting the test.
 
873
        result.startTest(test)
 
874
        result.extractBenchmarkTime(test)
 
875
        # the err parameter has the shape:
 
876
        # (class, exception object, traceback)
 
877
        # KnownFailures dont get their tracebacks shown though, so we
 
878
        # can skip that.
 
879
        err = (KnownFailure, KnownFailure('foo'), None)
 
880
        result.report_known_failure(test, err)
 
881
        self.assertEqual(
 
882
            [
 
883
            ('update', '[1 in 0s] passing_test', None, None),
 
884
            ('note', 'XFAIL: %s\n%s\n', ('passing_test', err[1]))
 
885
            ],
 
886
            pb.calls)
 
887
        # known_failures should be printed in the summary, so if we run a test
 
888
        # after there are some known failures, the update prefix should match
 
889
        # this.
 
890
        result.known_failure_count = 3
 
891
        test.run(result)
 
892
        self.assertEqual(
 
893
            [
 
894
            ('update', '[2 in 0s, 3 known failures] passing_test', None, None),
 
895
            ],
 
896
            pb.calls[2:])
 
897
 
 
898
    def get_passing_test(self):
 
899
        """Return a test object that can't be run usefully."""
 
900
        def passing_test():
 
901
            pass
 
902
        return unittest.FunctionTestCase(passing_test)
 
903
 
 
904
    def test_add_not_supported(self):
 
905
        """Test the behaviour of invoking addNotSupported."""
 
906
        class InstrumentedTestResult(ExtendedTestResult):
 
907
            def report_test_start(self, test): pass
 
908
            def report_unsupported(self, test, feature):
 
909
                self._call = test, feature
 
910
        result = InstrumentedTestResult(None, None, None, None)
 
911
        test = SampleTestCase('_test_pass')
 
912
        feature = Feature()
 
913
        result.startTest(test)
 
914
        result.addNotSupported(test, feature)
 
915
        # it should invoke 'report_unsupported'.
 
916
        self.assertEqual(2, len(result._call))
 
917
        self.assertEqual(test, result._call[0])
 
918
        self.assertEqual(feature, result._call[1])
 
919
        # the result should be successful.
 
920
        self.assertTrue(result.wasSuccessful())
 
921
        # it should record the test against a count of tests not run due to
 
922
        # this feature.
 
923
        self.assertEqual(1, result.unsupported['Feature'])
 
924
        # and invoking it again should increment that counter
 
925
        result.addNotSupported(test, feature)
 
926
        self.assertEqual(2, result.unsupported['Feature'])
 
927
 
 
928
    def test_verbose_report_unsupported(self):
 
929
        # verbose test output formatting
 
930
        result_stream = StringIO()
 
931
        result = bzrlib.tests.VerboseTestResult(
 
932
            unittest._WritelnDecorator(result_stream),
 
933
            descriptions=0,
 
934
            verbosity=2,
 
935
            )
 
936
        test = self.get_passing_test()
 
937
        feature = Feature()
 
938
        result.startTest(test)
 
939
        result.extractBenchmarkTime(test)
 
940
        prefix = len(result_stream.getvalue())
 
941
        result.report_unsupported(test, feature)
 
942
        output = result_stream.getvalue()[prefix:]
 
943
        lines = output.splitlines()
 
944
        self.assertEqual(lines, ['NODEP                   0ms', "    The feature 'Feature' is not available."])
 
945
    
 
946
    def test_text_report_unsupported(self):
 
947
        # text test output formatting
 
948
        pb = MockProgress()
 
949
        result = bzrlib.tests.TextTestResult(
 
950
            None,
 
951
            descriptions=0,
 
952
            verbosity=1,
 
953
            pb=pb,
 
954
            )
 
955
        test = self.get_passing_test()
 
956
        feature = Feature()
 
957
        # this seeds the state to handle reporting the test.
 
958
        result.startTest(test)
 
959
        result.extractBenchmarkTime(test)
 
960
        result.report_unsupported(test, feature)
 
961
        # no output on unsupported features
 
962
        self.assertEqual(
 
963
            [('update', '[1 in 0s] passing_test', None, None)
 
964
            ],
 
965
            pb.calls)
 
966
        # the number of missing features should be printed in the progress
 
967
        # summary, so check for that.
 
968
        result.unsupported = {'foo':0, 'bar':0}
 
969
        test.run(result)
 
970
        self.assertEqual(
 
971
            [
 
972
            ('update', '[2 in 0s, 2 missing features] passing_test', None, None),
 
973
            ],
 
974
            pb.calls[1:])
 
975
    
 
976
    def test_unavailable_exception(self):
 
977
        """An UnavailableFeature being raised should invoke addNotSupported."""
 
978
        class InstrumentedTestResult(ExtendedTestResult):
 
979
 
 
980
            def report_test_start(self, test): pass
 
981
            def addNotSupported(self, test, feature):
 
982
                self._call = test, feature
 
983
        result = InstrumentedTestResult(None, None, None, None)
 
984
        feature = Feature()
 
985
        def test_function():
 
986
            raise UnavailableFeature(feature)
 
987
        test = unittest.FunctionTestCase(test_function)
 
988
        test.run(result)
 
989
        # it should invoke 'addNotSupported'.
 
990
        self.assertEqual(2, len(result._call))
 
991
        self.assertEqual(test, result._call[0])
 
992
        self.assertEqual(feature, result._call[1])
 
993
        # and not count as an error
 
994
        self.assertEqual(0, result.error_count)
 
995
 
 
996
    def test_strict_with_unsupported_feature(self):
 
997
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
998
                                                verbosity=1)
 
999
        test = self.get_passing_test()
 
1000
        feature = "Unsupported Feature"
 
1001
        result.addNotSupported(test, feature)
 
1002
        self.assertFalse(result.wasStrictlySuccessful())
 
1003
 
 
1004
    def test_strict_with_known_failure(self):
 
1005
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
1006
                                                verbosity=1)
 
1007
        test = self.get_passing_test()
 
1008
        err = (KnownFailure, KnownFailure('foo'), None)
 
1009
        result.addKnownFailure(test, err)
 
1010
        self.assertFalse(result.wasStrictlySuccessful())
 
1011
 
 
1012
    def test_strict_with_success(self):
 
1013
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
1014
                                                verbosity=1)
 
1015
        test = self.get_passing_test()
 
1016
        result.addSuccess(test)
 
1017
        self.assertTrue(result.wasStrictlySuccessful())
 
1018
 
 
1019
 
 
1020
class TestRunner(TestCase):
 
1021
 
 
1022
    def dummy_test(self):
 
1023
        pass
 
1024
 
 
1025
    def run_test_runner(self, testrunner, test):
 
1026
        """Run suite in testrunner, saving global state and restoring it.
 
1027
 
 
1028
        This current saves and restores:
 
1029
        TestCaseInTempDir.TEST_ROOT
 
1030
        
 
1031
        There should be no tests in this file that use bzrlib.tests.TextTestRunner
 
1032
        without using this convenience method, because of our use of global state.
 
1033
        """
 
1034
        old_root = TestCaseInTempDir.TEST_ROOT
 
1035
        try:
 
1036
            TestCaseInTempDir.TEST_ROOT = None
 
1037
            return testrunner.run(test)
 
1038
        finally:
 
1039
            TestCaseInTempDir.TEST_ROOT = old_root
 
1040
 
 
1041
    def test_known_failure_failed_run(self):
 
1042
        # run a test that generates a known failure which should be printed in
 
1043
        # the final output when real failures occur.
 
1044
        def known_failure_test():
 
1045
            raise KnownFailure('failed')
 
1046
        test = unittest.TestSuite()
 
1047
        test.addTest(unittest.FunctionTestCase(known_failure_test))
 
1048
        def failing_test():
 
1049
            raise AssertionError('foo')
 
1050
        test.addTest(unittest.FunctionTestCase(failing_test))
 
1051
        stream = StringIO()
 
1052
        runner = TextTestRunner(stream=stream)
 
1053
        result = self.run_test_runner(runner, test)
 
1054
        lines = stream.getvalue().splitlines()
 
1055
        self.assertEqual([
 
1056
            '',
 
1057
            '======================================================================',
 
1058
            'FAIL: unittest.FunctionTestCase (failing_test)',
 
1059
            '----------------------------------------------------------------------',
 
1060
            'Traceback (most recent call last):',
 
1061
            '    raise AssertionError(\'foo\')',
 
1062
            'AssertionError: foo',
 
1063
            '',
 
1064
            '----------------------------------------------------------------------',
 
1065
            '',
 
1066
            'FAILED (failures=1, known_failure_count=1)'],
 
1067
            lines[0:5] + lines[6:10] + lines[11:])
 
1068
 
 
1069
    def test_known_failure_ok_run(self):
 
1070
        # run a test that generates a known failure which should be printed in the final output.
 
1071
        def known_failure_test():
 
1072
            raise KnownFailure('failed')
 
1073
        test = unittest.FunctionTestCase(known_failure_test)
 
1074
        stream = StringIO()
 
1075
        runner = TextTestRunner(stream=stream)
 
1076
        result = self.run_test_runner(runner, test)
 
1077
        self.assertContainsRe(stream.getvalue(),
 
1078
            '\n'
 
1079
            '-*\n'
 
1080
            'Ran 1 test in .*\n'
 
1081
            '\n'
 
1082
            'OK \\(known_failures=1\\)\n')
 
1083
 
 
1084
    def test_skipped_test(self):
 
1085
        # run a test that is skipped, and check the suite as a whole still
 
1086
        # succeeds.
 
1087
        # skipping_test must be hidden in here so it's not run as a real test
 
1088
        def skipping_test():
 
1089
            raise TestSkipped('test intentionally skipped')
 
1090
 
 
1091
        runner = TextTestRunner(stream=self._log_file)
 
1092
        test = unittest.FunctionTestCase(skipping_test)
 
1093
        result = self.run_test_runner(runner, test)
 
1094
        self.assertTrue(result.wasSuccessful())
 
1095
 
 
1096
    def test_skipped_from_setup(self):
 
1097
        class SkippedSetupTest(TestCase):
 
1098
 
 
1099
            def setUp(self):
 
1100
                self.counter = 1
 
1101
                self.addCleanup(self.cleanup)
 
1102
                raise TestSkipped('skipped setup')
 
1103
 
 
1104
            def test_skip(self):
 
1105
                self.fail('test reached')
 
1106
 
 
1107
            def cleanup(self):
 
1108
                self.counter -= 1
 
1109
 
 
1110
        runner = TextTestRunner(stream=self._log_file)
 
1111
        test = SkippedSetupTest('test_skip')
 
1112
        result = self.run_test_runner(runner, test)
 
1113
        self.assertTrue(result.wasSuccessful())
 
1114
        # Check if cleanup was called the right number of times.
 
1115
        self.assertEqual(0, test.counter)
 
1116
 
 
1117
    def test_skipped_from_test(self):
 
1118
        class SkippedTest(TestCase):
 
1119
 
 
1120
            def setUp(self):
 
1121
                self.counter = 1
 
1122
                self.addCleanup(self.cleanup)
 
1123
 
 
1124
            def test_skip(self):
 
1125
                raise TestSkipped('skipped test')
 
1126
 
 
1127
            def cleanup(self):
 
1128
                self.counter -= 1
 
1129
 
 
1130
        runner = TextTestRunner(stream=self._log_file)
 
1131
        test = SkippedTest('test_skip')
 
1132
        result = self.run_test_runner(runner, test)
 
1133
        self.assertTrue(result.wasSuccessful())
 
1134
        # Check if cleanup was called the right number of times.
 
1135
        self.assertEqual(0, test.counter)
 
1136
 
 
1137
    def test_unsupported_features_listed(self):
 
1138
        """When unsupported features are encountered they are detailed."""
 
1139
        class Feature1(Feature):
 
1140
            def _probe(self): return False
 
1141
        class Feature2(Feature):
 
1142
            def _probe(self): return False
 
1143
        # create sample tests
 
1144
        test1 = SampleTestCase('_test_pass')
 
1145
        test1._test_needs_features = [Feature1()]
 
1146
        test2 = SampleTestCase('_test_pass')
 
1147
        test2._test_needs_features = [Feature2()]
 
1148
        test = unittest.TestSuite()
 
1149
        test.addTest(test1)
 
1150
        test.addTest(test2)
 
1151
        stream = StringIO()
 
1152
        runner = TextTestRunner(stream=stream)
 
1153
        result = self.run_test_runner(runner, test)
 
1154
        lines = stream.getvalue().splitlines()
 
1155
        self.assertEqual([
 
1156
            'OK',
 
1157
            "Missing feature 'Feature1' skipped 1 tests.",
 
1158
            "Missing feature 'Feature2' skipped 1 tests.",
 
1159
            ],
 
1160
            lines[-3:])
 
1161
 
 
1162
    def test_bench_history(self):
 
1163
        # tests that the running the benchmark produces a history file
 
1164
        # containing a timestamp and the revision id of the bzrlib source which
 
1165
        # was tested.
 
1166
        workingtree = _get_bzr_source_tree()
 
1167
        test = TestRunner('dummy_test')
 
1168
        output = StringIO()
 
1169
        runner = TextTestRunner(stream=self._log_file, bench_history=output)
 
1170
        result = self.run_test_runner(runner, test)
 
1171
        output_string = output.getvalue()
 
1172
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
1173
        if workingtree is not None:
 
1174
            revision_id = workingtree.get_parent_ids()[0]
 
1175
            self.assertEndsWith(output_string.rstrip(), revision_id)
 
1176
 
 
1177
    def test_success_log_deleted(self):
 
1178
        """Successful tests have their log deleted"""
 
1179
 
 
1180
        class LogTester(TestCase):
 
1181
 
 
1182
            def test_success(self):
 
1183
                self.log('this will be removed\n')
 
1184
 
 
1185
        sio = cStringIO.StringIO()
 
1186
        runner = TextTestRunner(stream=sio)
 
1187
        test = LogTester('test_success')
 
1188
        result = self.run_test_runner(runner, test)
 
1189
 
 
1190
        log = test._get_log()
 
1191
        self.assertEqual("DELETED log file to reduce memory footprint", log)
 
1192
        self.assertEqual('', test._log_contents)
 
1193
        self.assertIs(None, test._log_file_name)
 
1194
 
 
1195
    def test_fail_log_kept(self):
 
1196
        """Failed tests have their log kept"""
 
1197
 
 
1198
        class LogTester(TestCase):
 
1199
 
 
1200
            def test_fail(self):
 
1201
                self.log('this will be kept\n')
 
1202
                self.fail('this test fails')
 
1203
 
 
1204
        sio = cStringIO.StringIO()
 
1205
        runner = TextTestRunner(stream=sio)
 
1206
        test = LogTester('test_fail')
 
1207
        result = self.run_test_runner(runner, test)
 
1208
 
 
1209
        text = sio.getvalue()
 
1210
        self.assertContainsRe(text, 'this will be kept')
 
1211
        self.assertContainsRe(text, 'this test fails')
 
1212
 
 
1213
        log = test._get_log()
 
1214
        self.assertContainsRe(log, 'this will be kept')
 
1215
        self.assertEqual(log, test._log_contents)
 
1216
 
 
1217
    def test_error_log_kept(self):
 
1218
        """Tests with errors have their log kept"""
 
1219
 
 
1220
        class LogTester(TestCase):
 
1221
 
 
1222
            def test_error(self):
 
1223
                self.log('this will be kept\n')
 
1224
                raise ValueError('random exception raised')
 
1225
 
 
1226
        sio = cStringIO.StringIO()
 
1227
        runner = TextTestRunner(stream=sio)
 
1228
        test = LogTester('test_error')
 
1229
        result = self.run_test_runner(runner, test)
 
1230
 
 
1231
        text = sio.getvalue()
 
1232
        self.assertContainsRe(text, 'this will be kept')
 
1233
        self.assertContainsRe(text, 'random exception raised')
 
1234
 
 
1235
        log = test._get_log()
 
1236
        self.assertContainsRe(log, 'this will be kept')
 
1237
        self.assertEqual(log, test._log_contents)
 
1238
 
 
1239
 
 
1240
class SampleTestCase(TestCase):
 
1241
 
 
1242
    def _test_pass(self):
 
1243
        pass
 
1244
 
 
1245
 
 
1246
class TestTestCase(TestCase):
 
1247
    """Tests that test the core bzrlib TestCase."""
 
1248
 
 
1249
    def test_debug_flags_sanitised(self):
 
1250
        """The bzrlib debug flags should be sanitised by setUp."""
 
1251
        # we could set something and run a test that will check
 
1252
        # it gets santised, but this is probably sufficient for now:
 
1253
        # if someone runs the test with -Dsomething it will error.
 
1254
        self.assertEqual(set(), bzrlib.debug.debug_flags)
 
1255
 
 
1256
    def inner_test(self):
 
1257
        # the inner child test
 
1258
        note("inner_test")
 
1259
 
 
1260
    def outer_child(self):
 
1261
        # the outer child test
 
1262
        note("outer_start")
 
1263
        self.inner_test = TestTestCase("inner_child")
 
1264
        result = bzrlib.tests.TextTestResult(self._log_file,
 
1265
                                        descriptions=0,
 
1266
                                        verbosity=1)
 
1267
        self.inner_test.run(result)
 
1268
        note("outer finish")
 
1269
 
 
1270
    def test_trace_nesting(self):
 
1271
        # this tests that each test case nests its trace facility correctly.
 
1272
        # we do this by running a test case manually. That test case (A)
 
1273
        # should setup a new log, log content to it, setup a child case (B),
 
1274
        # which should log independently, then case (A) should log a trailer
 
1275
        # and return.
 
1276
        # we do two nested children so that we can verify the state of the 
 
1277
        # logs after the outer child finishes is correct, which a bad clean
 
1278
        # up routine in tearDown might trigger a fault in our test with only
 
1279
        # one child, we should instead see the bad result inside our test with
 
1280
        # the two children.
 
1281
        # the outer child test
 
1282
        original_trace = bzrlib.trace._trace_file
 
1283
        outer_test = TestTestCase("outer_child")
 
1284
        result = bzrlib.tests.TextTestResult(self._log_file,
 
1285
                                        descriptions=0,
 
1286
                                        verbosity=1)
 
1287
        outer_test.run(result)
 
1288
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
 
1289
 
 
1290
    def method_that_times_a_bit_twice(self):
 
1291
        # call self.time twice to ensure it aggregates
 
1292
        self.time(time.sleep, 0.007)
 
1293
        self.time(time.sleep, 0.007)
 
1294
 
 
1295
    def test_time_creates_benchmark_in_result(self):
 
1296
        """Test that the TestCase.time() method accumulates a benchmark time."""
 
1297
        sample_test = TestTestCase("method_that_times_a_bit_twice")
 
1298
        output_stream = StringIO()
 
1299
        result = bzrlib.tests.VerboseTestResult(
 
1300
            unittest._WritelnDecorator(output_stream),
 
1301
            descriptions=0,
 
1302
            verbosity=2,
 
1303
            num_tests=sample_test.countTestCases())
 
1304
        sample_test.run(result)
 
1305
        self.assertContainsRe(
 
1306
            output_stream.getvalue(),
 
1307
            r"\d+ms/ +\d+ms\n$")
 
1308
 
 
1309
    def test_hooks_sanitised(self):
 
1310
        """The bzrlib hooks should be sanitised by setUp."""
 
1311
        self.assertEqual(bzrlib.branch.BranchHooks(),
 
1312
            bzrlib.branch.Branch.hooks)
 
1313
        self.assertEqual(bzrlib.smart.server.SmartServerHooks(),
 
1314
            bzrlib.smart.server.SmartTCPServer.hooks)
 
1315
 
 
1316
    def test__gather_lsprof_in_benchmarks(self):
 
1317
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
 
1318
        
 
1319
        Each self.time() call is individually and separately profiled.
 
1320
        """
 
1321
        self.requireFeature(test_lsprof.LSProfFeature)
 
1322
        # overrides the class member with an instance member so no cleanup 
 
1323
        # needed.
 
1324
        self._gather_lsprof_in_benchmarks = True
 
1325
        self.time(time.sleep, 0.000)
 
1326
        self.time(time.sleep, 0.003)
 
1327
        self.assertEqual(2, len(self._benchcalls))
 
1328
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
 
1329
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
 
1330
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
 
1331
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
 
1332
 
 
1333
    def test_knownFailure(self):
 
1334
        """Self.knownFailure() should raise a KnownFailure exception."""
 
1335
        self.assertRaises(KnownFailure, self.knownFailure, "A Failure")
 
1336
 
 
1337
    def test_requireFeature_available(self):
 
1338
        """self.requireFeature(available) is a no-op."""
 
1339
        class Available(Feature):
 
1340
            def _probe(self):return True
 
1341
        feature = Available()
 
1342
        self.requireFeature(feature)
 
1343
 
 
1344
    def test_requireFeature_unavailable(self):
 
1345
        """self.requireFeature(unavailable) raises UnavailableFeature."""
 
1346
        class Unavailable(Feature):
 
1347
            def _probe(self):return False
 
1348
        feature = Unavailable()
 
1349
        self.assertRaises(UnavailableFeature, self.requireFeature, feature)
 
1350
 
 
1351
    def test_run_no_parameters(self):
 
1352
        test = SampleTestCase('_test_pass')
 
1353
        test.run()
 
1354
    
 
1355
    def test_run_enabled_unittest_result(self):
 
1356
        """Test we revert to regular behaviour when the test is enabled."""
 
1357
        test = SampleTestCase('_test_pass')
 
1358
        class EnabledFeature(object):
 
1359
            def available(self):
 
1360
                return True
 
1361
        test._test_needs_features = [EnabledFeature()]
 
1362
        result = unittest.TestResult()
 
1363
        test.run(result)
 
1364
        self.assertEqual(1, result.testsRun)
 
1365
        self.assertEqual([], result.errors)
 
1366
        self.assertEqual([], result.failures)
 
1367
 
 
1368
    def test_run_disabled_unittest_result(self):
 
1369
        """Test our compatability for disabled tests with unittest results."""
 
1370
        test = SampleTestCase('_test_pass')
 
1371
        class DisabledFeature(object):
 
1372
            def available(self):
 
1373
                return False
 
1374
        test._test_needs_features = [DisabledFeature()]
 
1375
        result = unittest.TestResult()
 
1376
        test.run(result)
 
1377
        self.assertEqual(1, result.testsRun)
 
1378
        self.assertEqual([], result.errors)
 
1379
        self.assertEqual([], result.failures)
 
1380
 
 
1381
    def test_run_disabled_supporting_result(self):
 
1382
        """Test disabled tests behaviour with support aware results."""
 
1383
        test = SampleTestCase('_test_pass')
 
1384
        class DisabledFeature(object):
 
1385
            def available(self):
 
1386
                return False
 
1387
        the_feature = DisabledFeature()
 
1388
        test._test_needs_features = [the_feature]
 
1389
        class InstrumentedTestResult(unittest.TestResult):
 
1390
            def __init__(self):
 
1391
                unittest.TestResult.__init__(self)
 
1392
                self.calls = []
 
1393
            def startTest(self, test):
 
1394
                self.calls.append(('startTest', test))
 
1395
            def stopTest(self, test):
 
1396
                self.calls.append(('stopTest', test))
 
1397
            def addNotSupported(self, test, feature):
 
1398
                self.calls.append(('addNotSupported', test, feature))
 
1399
        result = InstrumentedTestResult()
 
1400
        test.run(result)
 
1401
        self.assertEqual([
 
1402
            ('startTest', test),
 
1403
            ('addNotSupported', test, the_feature),
 
1404
            ('stopTest', test),
 
1405
            ],
 
1406
            result.calls)
 
1407
 
 
1408
 
 
1409
@symbol_versioning.deprecated_function(zero_eleven)
 
1410
def sample_deprecated_function():
 
1411
    """A deprecated function to test applyDeprecated with."""
 
1412
    return 2
 
1413
 
 
1414
 
 
1415
def sample_undeprecated_function(a_param):
 
1416
    """A undeprecated function to test applyDeprecated with."""
 
1417
 
 
1418
 
 
1419
class ApplyDeprecatedHelper(object):
 
1420
    """A helper class for ApplyDeprecated tests."""
 
1421
 
 
1422
    @symbol_versioning.deprecated_method(zero_eleven)
 
1423
    def sample_deprecated_method(self, param_one):
 
1424
        """A deprecated method for testing with."""
 
1425
        return param_one
 
1426
 
 
1427
    def sample_normal_method(self):
 
1428
        """A undeprecated method."""
 
1429
 
 
1430
    @symbol_versioning.deprecated_method(zero_ten)
 
1431
    def sample_nested_deprecation(self):
 
1432
        return sample_deprecated_function()
 
1433
 
 
1434
 
 
1435
class TestExtraAssertions(TestCase):
 
1436
    """Tests for new test assertions in bzrlib test suite"""
 
1437
 
 
1438
    def test_assert_isinstance(self):
 
1439
        self.assertIsInstance(2, int)
 
1440
        self.assertIsInstance(u'', basestring)
 
1441
        self.assertRaises(AssertionError, self.assertIsInstance, None, int)
 
1442
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
 
1443
 
 
1444
    def test_assertEndsWith(self):
 
1445
        self.assertEndsWith('foo', 'oo')
 
1446
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
 
1447
 
 
1448
    def test_applyDeprecated_not_deprecated(self):
 
1449
        sample_object = ApplyDeprecatedHelper()
 
1450
        # calling an undeprecated callable raises an assertion
 
1451
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
1452
            sample_object.sample_normal_method)
 
1453
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
1454
            sample_undeprecated_function, "a param value")
 
1455
        # calling a deprecated callable (function or method) with the wrong
 
1456
        # expected deprecation fails.
 
1457
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
1458
            sample_object.sample_deprecated_method, "a param value")
 
1459
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
1460
            sample_deprecated_function)
 
1461
        # calling a deprecated callable (function or method) with the right
 
1462
        # expected deprecation returns the functions result.
 
1463
        self.assertEqual("a param value", self.applyDeprecated(zero_eleven,
 
1464
            sample_object.sample_deprecated_method, "a param value"))
 
1465
        self.assertEqual(2, self.applyDeprecated(zero_eleven,
 
1466
            sample_deprecated_function))
 
1467
        # calling a nested deprecation with the wrong deprecation version
 
1468
        # fails even if a deeper nested function was deprecated with the 
 
1469
        # supplied version.
 
1470
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1471
            zero_eleven, sample_object.sample_nested_deprecation)
 
1472
        # calling a nested deprecation with the right deprecation value
 
1473
        # returns the calls result.
 
1474
        self.assertEqual(2, self.applyDeprecated(zero_ten,
 
1475
            sample_object.sample_nested_deprecation))
 
1476
 
 
1477
    def test_callDeprecated(self):
 
1478
        def testfunc(be_deprecated, result=None):
 
1479
            if be_deprecated is True:
 
1480
                symbol_versioning.warn('i am deprecated', DeprecationWarning, 
 
1481
                                       stacklevel=1)
 
1482
            return result
 
1483
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
 
1484
        self.assertIs(None, result)
 
1485
        result = self.callDeprecated([], testfunc, False, 'result')
 
1486
        self.assertEqual('result', result)
 
1487
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
 
1488
        self.callDeprecated([], testfunc, be_deprecated=False)
 
1489
 
 
1490
 
 
1491
class TestConvenienceMakers(TestCaseWithTransport):
 
1492
    """Test for the make_* convenience functions."""
 
1493
 
 
1494
    def test_make_branch_and_tree_with_format(self):
 
1495
        # we should be able to supply a format to make_branch_and_tree
 
1496
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
 
1497
        self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
 
1498
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
 
1499
                              bzrlib.bzrdir.BzrDirMetaFormat1)
 
1500
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
 
1501
                              bzrlib.bzrdir.BzrDirFormat6)
 
1502
 
 
1503
    def test_make_branch_and_memory_tree(self):
 
1504
        # we should be able to get a new branch and a mutable tree from
 
1505
        # TestCaseWithTransport
 
1506
        tree = self.make_branch_and_memory_tree('a')
 
1507
        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
 
1508
 
 
1509
 
 
1510
class TestSFTPMakeBranchAndTree(TestCaseWithSFTPServer):
 
1511
 
 
1512
    def test_make_tree_for_sftp_branch(self):
 
1513
        """Transports backed by local directories create local trees."""
 
1514
 
 
1515
        tree = self.make_branch_and_tree('t1')
 
1516
        base = tree.bzrdir.root_transport.base
 
1517
        self.failIf(base.startswith('sftp'),
 
1518
                'base %r is on sftp but should be local' % base)
 
1519
        self.assertEquals(tree.bzrdir.root_transport,
 
1520
                tree.branch.bzrdir.root_transport)
 
1521
        self.assertEquals(tree.bzrdir.root_transport,
 
1522
                tree.branch.repository.bzrdir.root_transport)
 
1523
 
 
1524
 
 
1525
class TestSelftest(TestCase):
 
1526
    """Tests of bzrlib.tests.selftest."""
 
1527
 
 
1528
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
 
1529
        factory_called = []
 
1530
        def factory():
 
1531
            factory_called.append(True)
 
1532
            return TestSuite()
 
1533
        out = StringIO()
 
1534
        err = StringIO()
 
1535
        self.apply_redirected(out, err, None, bzrlib.tests.selftest, 
 
1536
            test_suite_factory=factory)
 
1537
        self.assertEqual([True], factory_called)
 
1538
 
 
1539
 
 
1540
class TestKnownFailure(TestCase):
 
1541
 
 
1542
    def test_known_failure(self):
 
1543
        """Check that KnownFailure is defined appropriately."""
 
1544
        # a KnownFailure is an assertion error for compatability with unaware
 
1545
        # runners.
 
1546
        self.assertIsInstance(KnownFailure(""), AssertionError)
 
1547
 
 
1548
    def test_expect_failure(self):
 
1549
        try:
 
1550
            self.expectFailure("Doomed to failure", self.assertTrue, False)
 
1551
        except KnownFailure, e:
 
1552
            self.assertEqual('Doomed to failure', e.args[0])
 
1553
        try:
 
1554
            self.expectFailure("Doomed to failure", self.assertTrue, True)
 
1555
        except AssertionError, e:
 
1556
            self.assertEqual('Unexpected success.  Should have failed:'
 
1557
                             ' Doomed to failure', e.args[0])
 
1558
        else:
 
1559
            self.fail('Assertion not raised')
 
1560
 
 
1561
 
 
1562
class TestFeature(TestCase):
 
1563
 
 
1564
    def test_caching(self):
 
1565
        """Feature._probe is called by the feature at most once."""
 
1566
        class InstrumentedFeature(Feature):
 
1567
            def __init__(self):
 
1568
                Feature.__init__(self)
 
1569
                self.calls = []
 
1570
            def _probe(self):
 
1571
                self.calls.append('_probe')
 
1572
                return False
 
1573
        feature = InstrumentedFeature()
 
1574
        feature.available()
 
1575
        self.assertEqual(['_probe'], feature.calls)
 
1576
        feature.available()
 
1577
        self.assertEqual(['_probe'], feature.calls)
 
1578
 
 
1579
    def test_named_str(self):
 
1580
        """Feature.__str__ should thunk to feature_name()."""
 
1581
        class NamedFeature(Feature):
 
1582
            def feature_name(self):
 
1583
                return 'symlinks'
 
1584
        feature = NamedFeature()
 
1585
        self.assertEqual('symlinks', str(feature))
 
1586
 
 
1587
    def test_default_str(self):
 
1588
        """Feature.__str__ should default to __class__.__name__."""
 
1589
        class NamedFeature(Feature):
 
1590
            pass
 
1591
        feature = NamedFeature()
 
1592
        self.assertEqual('NamedFeature', str(feature))
 
1593
 
 
1594
 
 
1595
class TestUnavailableFeature(TestCase):
 
1596
 
 
1597
    def test_access_feature(self):
 
1598
        feature = Feature()
 
1599
        exception = UnavailableFeature(feature)
 
1600
        self.assertIs(feature, exception.args[0])
 
1601
 
 
1602
 
 
1603
class TestSelftestFiltering(TestCase):
 
1604
 
 
1605
    def setUp(self):
 
1606
        self.suite = TestUtil.TestSuite()
 
1607
        self.loader = TestUtil.TestLoader()
 
1608
        self.suite.addTest(self.loader.loadTestsFromModuleNames([
 
1609
            'bzrlib.tests.test_selftest']))
 
1610
        self.all_names = [t.id() for t in iter_suite_tests(self.suite)]
 
1611
 
 
1612
    def test_filter_suite_by_re(self):
 
1613
        filtered_suite = filter_suite_by_re(self.suite, 'test_filter')
 
1614
        filtered_names = [t.id() for t in iter_suite_tests(filtered_suite)]
 
1615
        self.assertEqual(filtered_names, ['bzrlib.tests.test_selftest.'
 
1616
            'TestSelftestFiltering.test_filter_suite_by_re'])
 
1617
            
 
1618
    def test_sort_suite_by_re(self):
 
1619
        sorted_suite = sort_suite_by_re(self.suite, 'test_filter')
 
1620
        sorted_names = [t.id() for t in iter_suite_tests(sorted_suite)]
 
1621
        self.assertEqual(sorted_names[0], 'bzrlib.tests.test_selftest.'
 
1622
            'TestSelftestFiltering.test_filter_suite_by_re')
 
1623
        self.assertEquals(sorted(self.all_names), sorted(sorted_names))
 
1624
 
 
1625
 
 
1626
class TestCheckInventoryShape(TestCaseWithTransport):
 
1627
 
 
1628
    def test_check_inventory_shape(self):
 
1629
        files = ['a', 'b/', 'b/c']
 
1630
        tree = self.make_branch_and_tree('.')
 
1631
        self.build_tree(files)
 
1632
        tree.add(files)
 
1633
        tree.lock_read()
 
1634
        try:
 
1635
            self.check_inventory_shape(tree.inventory, files)
 
1636
        finally:
 
1637
            tree.unlock()