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Viewing changes to bzrlib/tests/test_selftest.py

  • Committer: Vincent Ladeuil
  • Date: 2009-09-03 17:04:21 UTC
  • mfrom: (4659.2.5 test-isolation)
  • mto: This revision was merged to the branch mainline in revision 4670.
  • Revision ID: v.ladeuil+lp@free.fr-20090903170421-52olt3uskrxlu1br
Fix all known selftest leaks in /tmp

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1
# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Tests for the test framework."""
 
18
 
 
19
from cStringIO import StringIO
 
20
import os
 
21
import signal
 
22
import sys
 
23
import time
 
24
import unittest
 
25
import warnings
 
26
 
 
27
import bzrlib
 
28
from bzrlib import (
 
29
    branchbuilder,
 
30
    bzrdir,
 
31
    debug,
 
32
    errors,
 
33
    lockdir,
 
34
    memorytree,
 
35
    osutils,
 
36
    progress,
 
37
    remote,
 
38
    repository,
 
39
    symbol_versioning,
 
40
    tests,
 
41
    workingtree,
 
42
    )
 
43
from bzrlib.repofmt import (
 
44
    groupcompress_repo,
 
45
    pack_repo,
 
46
    weaverepo,
 
47
    )
 
48
from bzrlib.symbol_versioning import (
 
49
    deprecated_function,
 
50
    deprecated_in,
 
51
    deprecated_method,
 
52
    )
 
53
from bzrlib.tests import (
 
54
    SubUnitFeature,
 
55
    test_lsprof,
 
56
    test_sftp_transport,
 
57
    TestUtil,
 
58
    )
 
59
from bzrlib.trace import note
 
60
from bzrlib.transport.memory import MemoryServer, MemoryTransport
 
61
from bzrlib.version import _get_bzr_source_tree
 
62
 
 
63
 
 
64
def _test_ids(test_suite):
 
65
    """Get the ids for the tests in a test suite."""
 
66
    return [t.id() for t in tests.iter_suite_tests(test_suite)]
 
67
 
 
68
 
 
69
class SelftestTests(tests.TestCase):
 
70
 
 
71
    def test_import_tests(self):
 
72
        mod = TestUtil._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
                          TestUtil._load_module_by_name,
 
78
                          'bzrlib.no-name-yet')
 
79
 
 
80
class MetaTestLog(tests.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 TestUnicodeFilename(tests.TestCase):
 
91
 
 
92
    def test_probe_passes(self):
 
93
        """UnicodeFilename._probe passes."""
 
94
        # We can't test much more than that because the behaviour depends
 
95
        # on the platform.
 
96
        tests.UnicodeFilename._probe()
 
97
 
 
98
 
 
99
class TestTreeShape(tests.TestCaseInTempDir):
 
100
 
 
101
    def test_unicode_paths(self):
 
102
        self.requireFeature(tests.UnicodeFilename)
 
103
 
 
104
        filename = u'hell\u00d8'
 
105
        self.build_tree_contents([(filename, 'contents of hello')])
 
106
        self.failUnlessExists(filename)
 
107
 
 
108
 
 
109
class TestTransportScenarios(tests.TestCase):
 
110
    """A group of tests that test the transport implementation adaption core.
 
111
 
 
112
    This is a meta test that the tests are applied to all available
 
113
    transports.
 
114
 
 
115
    This will be generalised in the future which is why it is in this
 
116
    test file even though it is specific to transport tests at the moment.
 
117
    """
 
118
 
 
119
    def test_get_transport_permutations(self):
 
120
        # this checks that get_test_permutations defined by the module is
 
121
        # called by the get_transport_test_permutations function.
 
122
        class MockModule(object):
 
123
            def get_test_permutations(self):
 
124
                return sample_permutation
 
125
        sample_permutation = [(1,2), (3,4)]
 
126
        from bzrlib.tests.per_transport import get_transport_test_permutations
 
127
        self.assertEqual(sample_permutation,
 
128
                         get_transport_test_permutations(MockModule()))
 
129
 
 
130
    def test_scenarios_include_all_modules(self):
 
131
        # this checks that the scenario generator returns as many permutations
 
132
        # as there are in all the registered transport modules - we assume if
 
133
        # this matches its probably doing the right thing especially in
 
134
        # combination with the tests for setting the right classes below.
 
135
        from bzrlib.tests.per_transport import transport_test_permutations
 
136
        from bzrlib.transport import _get_transport_modules
 
137
        modules = _get_transport_modules()
 
138
        permutation_count = 0
 
139
        for module in modules:
 
140
            try:
 
141
                permutation_count += len(reduce(getattr,
 
142
                    (module + ".get_test_permutations").split('.')[1:],
 
143
                     __import__(module))())
 
144
            except errors.DependencyNotPresent:
 
145
                pass
 
146
        scenarios = transport_test_permutations()
 
147
        self.assertEqual(permutation_count, len(scenarios))
 
148
 
 
149
    def test_scenarios_include_transport_class(self):
 
150
        # This test used to know about all the possible transports and the
 
151
        # order they were returned but that seems overly brittle (mbp
 
152
        # 20060307)
 
153
        from bzrlib.tests.per_transport import transport_test_permutations
 
154
        scenarios = transport_test_permutations()
 
155
        # there are at least that many builtin transports
 
156
        self.assertTrue(len(scenarios) > 6)
 
157
        one_scenario = scenarios[0]
 
158
        self.assertIsInstance(one_scenario[0], str)
 
159
        self.assertTrue(issubclass(one_scenario[1]["transport_class"],
 
160
                                   bzrlib.transport.Transport))
 
161
        self.assertTrue(issubclass(one_scenario[1]["transport_server"],
 
162
                                   bzrlib.transport.Server))
 
163
 
 
164
 
 
165
class TestBranchScenarios(tests.TestCase):
 
166
 
 
167
    def test_scenarios(self):
 
168
        # check that constructor parameters are passed through to the adapted
 
169
        # test.
 
170
        from bzrlib.tests.per_branch import make_scenarios
 
171
        server1 = "a"
 
172
        server2 = "b"
 
173
        formats = [("c", "C"), ("d", "D")]
 
174
        scenarios = make_scenarios(server1, server2, formats)
 
175
        self.assertEqual(2, len(scenarios))
 
176
        self.assertEqual([
 
177
            ('str',
 
178
             {'branch_format': 'c',
 
179
              'bzrdir_format': 'C',
 
180
              'transport_readonly_server': 'b',
 
181
              'transport_server': 'a'}),
 
182
            ('str',
 
183
             {'branch_format': 'd',
 
184
              'bzrdir_format': 'D',
 
185
              'transport_readonly_server': 'b',
 
186
              'transport_server': 'a'})],
 
187
            scenarios)
 
188
 
 
189
 
 
190
class TestBzrDirScenarios(tests.TestCase):
 
191
 
 
192
    def test_scenarios(self):
 
193
        # check that constructor parameters are passed through to the adapted
 
194
        # test.
 
195
        from bzrlib.tests.per_bzrdir import make_scenarios
 
196
        vfs_factory = "v"
 
197
        server1 = "a"
 
198
        server2 = "b"
 
199
        formats = ["c", "d"]
 
200
        scenarios = make_scenarios(vfs_factory, server1, server2, formats)
 
201
        self.assertEqual([
 
202
            ('str',
 
203
             {'bzrdir_format': 'c',
 
204
              'transport_readonly_server': 'b',
 
205
              'transport_server': 'a',
 
206
              'vfs_transport_factory': 'v'}),
 
207
            ('str',
 
208
             {'bzrdir_format': 'd',
 
209
              'transport_readonly_server': 'b',
 
210
              'transport_server': 'a',
 
211
              'vfs_transport_factory': 'v'})],
 
212
            scenarios)
 
213
 
 
214
 
 
215
class TestRepositoryScenarios(tests.TestCase):
 
216
 
 
217
    def test_formats_to_scenarios(self):
 
218
        from bzrlib.tests.per_repository import formats_to_scenarios
 
219
        formats = [("(c)", remote.RemoteRepositoryFormat()),
 
220
                   ("(d)", repository.format_registry.get(
 
221
                    'Bazaar repository format 2a (needs bzr 1.16 or later)\n'))]
 
222
        no_vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
 
223
            None)
 
224
        vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
 
225
            vfs_transport_factory="vfs")
 
226
        # no_vfs generate scenarios without vfs_transport_factory
 
227
        expected = [
 
228
            ('RemoteRepositoryFormat(c)',
 
229
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
 
230
              'repository_format': remote.RemoteRepositoryFormat(),
 
231
              'transport_readonly_server': 'readonly',
 
232
              'transport_server': 'server'}),
 
233
            ('RepositoryFormat2a(d)',
 
234
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
 
235
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
 
236
              'transport_readonly_server': 'readonly',
 
237
              'transport_server': 'server'})]
 
238
        self.assertEqual(expected, no_vfs_scenarios)
 
239
        self.assertEqual([
 
240
            ('RemoteRepositoryFormat(c)',
 
241
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
 
242
              'repository_format': remote.RemoteRepositoryFormat(),
 
243
              'transport_readonly_server': 'readonly',
 
244
              'transport_server': 'server',
 
245
              'vfs_transport_factory': 'vfs'}),
 
246
            ('RepositoryFormat2a(d)',
 
247
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
 
248
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
 
249
              'transport_readonly_server': 'readonly',
 
250
              'transport_server': 'server',
 
251
              'vfs_transport_factory': 'vfs'})],
 
252
            vfs_scenarios)
 
253
 
 
254
 
 
255
class TestTestScenarioApplication(tests.TestCase):
 
256
    """Tests for the test adaption facilities."""
 
257
 
 
258
    def test_apply_scenario(self):
 
259
        from bzrlib.tests import apply_scenario
 
260
        input_test = TestTestScenarioApplication("test_apply_scenario")
 
261
        # setup two adapted tests
 
262
        adapted_test1 = apply_scenario(input_test,
 
263
            ("new id",
 
264
            {"bzrdir_format":"bzr_format",
 
265
             "repository_format":"repo_fmt",
 
266
             "transport_server":"transport_server",
 
267
             "transport_readonly_server":"readonly-server"}))
 
268
        adapted_test2 = apply_scenario(input_test,
 
269
            ("new id 2", {"bzrdir_format":None}))
 
270
        # input_test should have been altered.
 
271
        self.assertRaises(AttributeError, getattr, input_test, "bzrdir_format")
 
272
        # the new tests are mutually incompatible, ensuring it has
 
273
        # made new ones, and unspecified elements in the scenario
 
274
        # should not have been altered.
 
275
        self.assertEqual("bzr_format", adapted_test1.bzrdir_format)
 
276
        self.assertEqual("repo_fmt", adapted_test1.repository_format)
 
277
        self.assertEqual("transport_server", adapted_test1.transport_server)
 
278
        self.assertEqual("readonly-server",
 
279
            adapted_test1.transport_readonly_server)
 
280
        self.assertEqual(
 
281
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
 
282
            "test_apply_scenario(new id)",
 
283
            adapted_test1.id())
 
284
        self.assertEqual(None, adapted_test2.bzrdir_format)
 
285
        self.assertEqual(
 
286
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
 
287
            "test_apply_scenario(new id 2)",
 
288
            adapted_test2.id())
 
289
 
 
290
 
 
291
class TestInterRepositoryScenarios(tests.TestCase):
 
292
 
 
293
    def test_scenarios(self):
 
294
        # check that constructor parameters are passed through to the adapted
 
295
        # test.
 
296
        from bzrlib.tests.per_interrepository import make_scenarios
 
297
        server1 = "a"
 
298
        server2 = "b"
 
299
        formats = [("C0", "C1", "C2"), ("D0", "D1", "D2")]
 
300
        scenarios = make_scenarios(server1, server2, formats)
 
301
        self.assertEqual([
 
302
            ('C0,str,str',
 
303
             {'repository_format': 'C1',
 
304
              'repository_format_to': 'C2',
 
305
              'transport_readonly_server': 'b',
 
306
              'transport_server': 'a'}),
 
307
            ('D0,str,str',
 
308
             {'repository_format': 'D1',
 
309
              'repository_format_to': 'D2',
 
310
              'transport_readonly_server': 'b',
 
311
              'transport_server': 'a'})],
 
312
            scenarios)
 
313
 
 
314
 
 
315
class TestWorkingTreeScenarios(tests.TestCase):
 
316
 
 
317
    def test_scenarios(self):
 
318
        # check that constructor parameters are passed through to the adapted
 
319
        # test.
 
320
        from bzrlib.tests.per_workingtree import make_scenarios
 
321
        server1 = "a"
 
322
        server2 = "b"
 
323
        formats = [workingtree.WorkingTreeFormat2(),
 
324
                   workingtree.WorkingTreeFormat3(),]
 
325
        scenarios = make_scenarios(server1, server2, formats)
 
326
        self.assertEqual([
 
327
            ('WorkingTreeFormat2',
 
328
             {'bzrdir_format': formats[0]._matchingbzrdir,
 
329
              'transport_readonly_server': 'b',
 
330
              'transport_server': 'a',
 
331
              'workingtree_format': formats[0]}),
 
332
            ('WorkingTreeFormat3',
 
333
             {'bzrdir_format': formats[1]._matchingbzrdir,
 
334
              'transport_readonly_server': 'b',
 
335
              'transport_server': 'a',
 
336
              'workingtree_format': formats[1]})],
 
337
            scenarios)
 
338
 
 
339
 
 
340
class TestTreeScenarios(tests.TestCase):
 
341
 
 
342
    def test_scenarios(self):
 
343
        # the tree implementation scenario generator is meant to setup one
 
344
        # instance for each working tree format, and one additional instance
 
345
        # that will use the default wt format, but create a revision tree for
 
346
        # the tests.  this means that the wt ones should have the
 
347
        # workingtree_to_test_tree attribute set to 'return_parameter' and the
 
348
        # revision one set to revision_tree_from_workingtree.
 
349
 
 
350
        from bzrlib.tests.per_tree import (
 
351
            _dirstate_tree_from_workingtree,
 
352
            make_scenarios,
 
353
            preview_tree_pre,
 
354
            preview_tree_post,
 
355
            return_parameter,
 
356
            revision_tree_from_workingtree
 
357
            )
 
358
        server1 = "a"
 
359
        server2 = "b"
 
360
        formats = [workingtree.WorkingTreeFormat2(),
 
361
                   workingtree.WorkingTreeFormat3(),]
 
362
        scenarios = make_scenarios(server1, server2, formats)
 
363
        self.assertEqual(7, len(scenarios))
 
364
        default_wt_format = workingtree.WorkingTreeFormat4._default_format
 
365
        wt4_format = workingtree.WorkingTreeFormat4()
 
366
        wt5_format = workingtree.WorkingTreeFormat5()
 
367
        expected_scenarios = [
 
368
            ('WorkingTreeFormat2',
 
369
             {'bzrdir_format': formats[0]._matchingbzrdir,
 
370
              'transport_readonly_server': 'b',
 
371
              'transport_server': 'a',
 
372
              'workingtree_format': formats[0],
 
373
              '_workingtree_to_test_tree': return_parameter,
 
374
              }),
 
375
            ('WorkingTreeFormat3',
 
376
             {'bzrdir_format': formats[1]._matchingbzrdir,
 
377
              'transport_readonly_server': 'b',
 
378
              'transport_server': 'a',
 
379
              'workingtree_format': formats[1],
 
380
              '_workingtree_to_test_tree': return_parameter,
 
381
             }),
 
382
            ('RevisionTree',
 
383
             {'_workingtree_to_test_tree': revision_tree_from_workingtree,
 
384
              'bzrdir_format': default_wt_format._matchingbzrdir,
 
385
              'transport_readonly_server': 'b',
 
386
              'transport_server': 'a',
 
387
              'workingtree_format': default_wt_format,
 
388
             }),
 
389
            ('DirStateRevisionTree,WT4',
 
390
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
 
391
              'bzrdir_format': wt4_format._matchingbzrdir,
 
392
              'transport_readonly_server': 'b',
 
393
              'transport_server': 'a',
 
394
              'workingtree_format': wt4_format,
 
395
             }),
 
396
            ('DirStateRevisionTree,WT5',
 
397
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
 
398
              'bzrdir_format': wt5_format._matchingbzrdir,
 
399
              'transport_readonly_server': 'b',
 
400
              'transport_server': 'a',
 
401
              'workingtree_format': wt5_format,
 
402
             }),
 
403
            ('PreviewTree',
 
404
             {'_workingtree_to_test_tree': preview_tree_pre,
 
405
              'bzrdir_format': default_wt_format._matchingbzrdir,
 
406
              'transport_readonly_server': 'b',
 
407
              'transport_server': 'a',
 
408
              'workingtree_format': default_wt_format}),
 
409
            ('PreviewTreePost',
 
410
             {'_workingtree_to_test_tree': preview_tree_post,
 
411
              'bzrdir_format': default_wt_format._matchingbzrdir,
 
412
              'transport_readonly_server': 'b',
 
413
              'transport_server': 'a',
 
414
              'workingtree_format': default_wt_format}),
 
415
             ]
 
416
        self.assertEqual(expected_scenarios, scenarios)
 
417
 
 
418
 
 
419
class TestInterTreeScenarios(tests.TestCase):
 
420
    """A group of tests that test the InterTreeTestAdapter."""
 
421
 
 
422
    def test_scenarios(self):
 
423
        # check that constructor parameters are passed through to the adapted
 
424
        # test.
 
425
        # for InterTree tests we want the machinery to bring up two trees in
 
426
        # each instance: the base one, and the one we are interacting with.
 
427
        # because each optimiser can be direction specific, we need to test
 
428
        # each optimiser in its chosen direction.
 
429
        # unlike the TestProviderAdapter we dont want to automatically add a
 
430
        # parameterized one for WorkingTree - the optimisers will tell us what
 
431
        # ones to add.
 
432
        from bzrlib.tests.per_tree import (
 
433
            return_parameter,
 
434
            revision_tree_from_workingtree
 
435
            )
 
436
        from bzrlib.tests.per_intertree import (
 
437
            make_scenarios,
 
438
            )
 
439
        from bzrlib.workingtree import WorkingTreeFormat2, WorkingTreeFormat3
 
440
        input_test = TestInterTreeScenarios(
 
441
            "test_scenarios")
 
442
        server1 = "a"
 
443
        server2 = "b"
 
444
        format1 = WorkingTreeFormat2()
 
445
        format2 = WorkingTreeFormat3()
 
446
        formats = [("1", str, format1, format2, "converter1"),
 
447
            ("2", int, format2, format1, "converter2")]
 
448
        scenarios = make_scenarios(server1, server2, formats)
 
449
        self.assertEqual(2, len(scenarios))
 
450
        expected_scenarios = [
 
451
            ("1", {
 
452
                "bzrdir_format": format1._matchingbzrdir,
 
453
                "intertree_class": formats[0][1],
 
454
                "workingtree_format": formats[0][2],
 
455
                "workingtree_format_to": formats[0][3],
 
456
                "mutable_trees_to_test_trees": formats[0][4],
 
457
                "_workingtree_to_test_tree": return_parameter,
 
458
                "transport_server": server1,
 
459
                "transport_readonly_server": server2,
 
460
                }),
 
461
            ("2", {
 
462
                "bzrdir_format": format2._matchingbzrdir,
 
463
                "intertree_class": formats[1][1],
 
464
                "workingtree_format": formats[1][2],
 
465
                "workingtree_format_to": formats[1][3],
 
466
                "mutable_trees_to_test_trees": formats[1][4],
 
467
                "_workingtree_to_test_tree": return_parameter,
 
468
                "transport_server": server1,
 
469
                "transport_readonly_server": server2,
 
470
                }),
 
471
            ]
 
472
        self.assertEqual(scenarios, expected_scenarios)
 
473
 
 
474
 
 
475
class TestTestCaseInTempDir(tests.TestCaseInTempDir):
 
476
 
 
477
    def test_home_is_not_working(self):
 
478
        self.assertNotEqual(self.test_dir, self.test_home_dir)
 
479
        cwd = osutils.getcwd()
 
480
        self.assertIsSameRealPath(self.test_dir, cwd)
 
481
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
 
482
 
 
483
    def test_assertEqualStat_equal(self):
 
484
        from bzrlib.tests.test_dirstate import _FakeStat
 
485
        self.build_tree(["foo"])
 
486
        real = os.lstat("foo")
 
487
        fake = _FakeStat(real.st_size, real.st_mtime, real.st_ctime,
 
488
            real.st_dev, real.st_ino, real.st_mode)
 
489
        self.assertEqualStat(real, fake)
 
490
 
 
491
    def test_assertEqualStat_notequal(self):
 
492
        self.build_tree(["foo", "bar"])
 
493
        self.assertRaises(AssertionError, self.assertEqualStat,
 
494
            os.lstat("foo"), os.lstat("bar"))
 
495
 
 
496
 
 
497
class TestTestCaseWithMemoryTransport(tests.TestCaseWithMemoryTransport):
 
498
 
 
499
    def test_home_is_non_existant_dir_under_root(self):
 
500
        """The test_home_dir for TestCaseWithMemoryTransport is missing.
 
501
 
 
502
        This is because TestCaseWithMemoryTransport is for tests that do not
 
503
        need any disk resources: they should be hooked into bzrlib in such a
 
504
        way that no global settings are being changed by the test (only a
 
505
        few tests should need to do that), and having a missing dir as home is
 
506
        an effective way to ensure that this is the case.
 
507
        """
 
508
        self.assertIsSameRealPath(
 
509
            self.TEST_ROOT + "/MemoryTransportMissingHomeDir",
 
510
            self.test_home_dir)
 
511
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
 
512
 
 
513
    def test_cwd_is_TEST_ROOT(self):
 
514
        self.assertIsSameRealPath(self.test_dir, self.TEST_ROOT)
 
515
        cwd = osutils.getcwd()
 
516
        self.assertIsSameRealPath(self.test_dir, cwd)
 
517
 
 
518
    def test_make_branch_and_memory_tree(self):
 
519
        """In TestCaseWithMemoryTransport we should not make the branch on disk.
 
520
 
 
521
        This is hard to comprehensively robustly test, so we settle for making
 
522
        a branch and checking no directory was created at its relpath.
 
523
        """
 
524
        tree = self.make_branch_and_memory_tree('dir')
 
525
        # Guard against regression into MemoryTransport leaking
 
526
        # files to disk instead of keeping them in memory.
 
527
        self.failIf(osutils.lexists('dir'))
 
528
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
529
 
 
530
    def test_make_branch_and_memory_tree_with_format(self):
 
531
        """make_branch_and_memory_tree should accept a format option."""
 
532
        format = bzrdir.BzrDirMetaFormat1()
 
533
        format.repository_format = weaverepo.RepositoryFormat7()
 
534
        tree = self.make_branch_and_memory_tree('dir', format=format)
 
535
        # Guard against regression into MemoryTransport leaking
 
536
        # files to disk instead of keeping them in memory.
 
537
        self.failIf(osutils.lexists('dir'))
 
538
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
539
        self.assertEqual(format.repository_format.__class__,
 
540
            tree.branch.repository._format.__class__)
 
541
 
 
542
    def test_make_branch_builder(self):
 
543
        builder = self.make_branch_builder('dir')
 
544
        self.assertIsInstance(builder, branchbuilder.BranchBuilder)
 
545
        # Guard against regression into MemoryTransport leaking
 
546
        # files to disk instead of keeping them in memory.
 
547
        self.failIf(osutils.lexists('dir'))
 
548
 
 
549
    def test_make_branch_builder_with_format(self):
 
550
        # Use a repo layout that doesn't conform to a 'named' layout, to ensure
 
551
        # that the format objects are used.
 
552
        format = bzrdir.BzrDirMetaFormat1()
 
553
        repo_format = weaverepo.RepositoryFormat7()
 
554
        format.repository_format = repo_format
 
555
        builder = self.make_branch_builder('dir', format=format)
 
556
        the_branch = builder.get_branch()
 
557
        # Guard against regression into MemoryTransport leaking
 
558
        # files to disk instead of keeping them in memory.
 
559
        self.failIf(osutils.lexists('dir'))
 
560
        self.assertEqual(format.repository_format.__class__,
 
561
                         the_branch.repository._format.__class__)
 
562
        self.assertEqual(repo_format.get_format_string(),
 
563
                         self.get_transport().get_bytes(
 
564
                            'dir/.bzr/repository/format'))
 
565
 
 
566
    def test_make_branch_builder_with_format_name(self):
 
567
        builder = self.make_branch_builder('dir', format='knit')
 
568
        the_branch = builder.get_branch()
 
569
        # Guard against regression into MemoryTransport leaking
 
570
        # files to disk instead of keeping them in memory.
 
571
        self.failIf(osutils.lexists('dir'))
 
572
        dir_format = bzrdir.format_registry.make_bzrdir('knit')
 
573
        self.assertEqual(dir_format.repository_format.__class__,
 
574
                         the_branch.repository._format.__class__)
 
575
        self.assertEqual('Bazaar-NG Knit Repository Format 1',
 
576
                         self.get_transport().get_bytes(
 
577
                            'dir/.bzr/repository/format'))
 
578
 
 
579
    def test_safety_net(self):
 
580
        """No test should modify the safety .bzr directory.
 
581
 
 
582
        We just test that the _check_safety_net private method raises
 
583
        AssertionError, it's easier than building a test suite with the same
 
584
        test.
 
585
        """
 
586
        # Oops, a commit in the current directory (i.e. without local .bzr
 
587
        # directory) will crawl up the hierarchy to find a .bzr directory.
 
588
        self.run_bzr(['commit', '-mfoo', '--unchanged'])
 
589
        # But we have a safety net in place.
 
590
        self.assertRaises(AssertionError, self._check_safety_net)
 
591
 
 
592
    def test_dangling_locks_cause_failures(self):
 
593
        class TestDanglingLock(tests.TestCaseWithMemoryTransport):
 
594
            def test_function(self):
 
595
                t = self.get_transport('.')
 
596
                l = lockdir.LockDir(t, 'lock')
 
597
                l.create()
 
598
                l.attempt_lock()
 
599
        test = TestDanglingLock('test_function')
 
600
        result = test.run()
 
601
        if self._lock_check_thorough:
 
602
            self.assertEqual(1, len(result.errors))
 
603
        else:
 
604
            # When _lock_check_thorough is disabled, then we don't trigger a
 
605
            # failure
 
606
            self.assertEqual(0, len(result.errors))
 
607
 
 
608
 
 
609
class TestTestCaseWithTransport(tests.TestCaseWithTransport):
 
610
    """Tests for the convenience functions TestCaseWithTransport introduces."""
 
611
 
 
612
    def test_get_readonly_url_none(self):
 
613
        from bzrlib.transport import get_transport
 
614
        from bzrlib.transport.memory import MemoryServer
 
615
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
616
        self.vfs_transport_factory = MemoryServer
 
617
        self.transport_readonly_server = None
 
618
        # calling get_readonly_transport() constructs a decorator on the url
 
619
        # for the server
 
620
        url = self.get_readonly_url()
 
621
        url2 = self.get_readonly_url('foo/bar')
 
622
        t = get_transport(url)
 
623
        t2 = get_transport(url2)
 
624
        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
 
625
        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
 
626
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
627
 
 
628
    def test_get_readonly_url_http(self):
 
629
        from bzrlib.tests.http_server import HttpServer
 
630
        from bzrlib.transport import get_transport
 
631
        from bzrlib.transport.local import LocalURLServer
 
632
        from bzrlib.transport.http import HttpTransportBase
 
633
        self.transport_server = LocalURLServer
 
634
        self.transport_readonly_server = HttpServer
 
635
        # calling get_readonly_transport() gives us a HTTP server instance.
 
636
        url = self.get_readonly_url()
 
637
        url2 = self.get_readonly_url('foo/bar')
 
638
        # the transport returned may be any HttpTransportBase subclass
 
639
        t = get_transport(url)
 
640
        t2 = get_transport(url2)
 
641
        self.failUnless(isinstance(t, HttpTransportBase))
 
642
        self.failUnless(isinstance(t2, HttpTransportBase))
 
643
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
644
 
 
645
    def test_is_directory(self):
 
646
        """Test assertIsDirectory assertion"""
 
647
        t = self.get_transport()
 
648
        self.build_tree(['a_dir/', 'a_file'], transport=t)
 
649
        self.assertIsDirectory('a_dir', t)
 
650
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
 
651
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
 
652
 
 
653
    def test_make_branch_builder(self):
 
654
        builder = self.make_branch_builder('dir')
 
655
        rev_id = builder.build_commit()
 
656
        self.failUnlessExists('dir')
 
657
        a_dir = bzrdir.BzrDir.open('dir')
 
658
        self.assertRaises(errors.NoWorkingTree, a_dir.open_workingtree)
 
659
        a_branch = a_dir.open_branch()
 
660
        builder_branch = builder.get_branch()
 
661
        self.assertEqual(a_branch.base, builder_branch.base)
 
662
        self.assertEqual((1, rev_id), builder_branch.last_revision_info())
 
663
        self.assertEqual((1, rev_id), a_branch.last_revision_info())
 
664
 
 
665
 
 
666
class TestTestCaseTransports(tests.TestCaseWithTransport):
 
667
 
 
668
    def setUp(self):
 
669
        super(TestTestCaseTransports, self).setUp()
 
670
        self.vfs_transport_factory = MemoryServer
 
671
 
 
672
    def test_make_bzrdir_preserves_transport(self):
 
673
        t = self.get_transport()
 
674
        result_bzrdir = self.make_bzrdir('subdir')
 
675
        self.assertIsInstance(result_bzrdir.transport,
 
676
                              MemoryTransport)
 
677
        # should not be on disk, should only be in memory
 
678
        self.failIfExists('subdir')
 
679
 
 
680
 
 
681
class TestChrootedTest(tests.ChrootedTestCase):
 
682
 
 
683
    def test_root_is_root(self):
 
684
        from bzrlib.transport import get_transport
 
685
        t = get_transport(self.get_readonly_url())
 
686
        url = t.base
 
687
        self.assertEqual(url, t.clone('..').base)
 
688
 
 
689
 
 
690
class TestProfileResult(tests.TestCase):
 
691
 
 
692
    def test_profiles_tests(self):
 
693
        self.requireFeature(test_lsprof.LSProfFeature)
 
694
        terminal = unittest.TestResult()
 
695
        result = tests.ProfileResult(terminal)
 
696
        class Sample(tests.TestCase):
 
697
            def a(self):
 
698
                self.sample_function()
 
699
            def sample_function(self):
 
700
                pass
 
701
        test = Sample("a")
 
702
        test.attrs_to_keep = test.attrs_to_keep + ('_benchcalls',)
 
703
        test.run(result)
 
704
        self.assertLength(1, test._benchcalls)
 
705
        # We must be able to unpack it as the test reporting code wants
 
706
        (_, _, _), stats = test._benchcalls[0]
 
707
        self.assertTrue(callable(stats.pprint))
 
708
 
 
709
 
 
710
class TestTestResult(tests.TestCase):
 
711
 
 
712
    def check_timing(self, test_case, expected_re):
 
713
        result = bzrlib.tests.TextTestResult(self._log_file,
 
714
                descriptions=0,
 
715
                verbosity=1,
 
716
                )
 
717
        test_case.run(result)
 
718
        timed_string = result._testTimeString(test_case)
 
719
        self.assertContainsRe(timed_string, expected_re)
 
720
 
 
721
    def test_test_reporting(self):
 
722
        class ShortDelayTestCase(tests.TestCase):
 
723
            def test_short_delay(self):
 
724
                time.sleep(0.003)
 
725
            def test_short_benchmark(self):
 
726
                self.time(time.sleep, 0.003)
 
727
        self.check_timing(ShortDelayTestCase('test_short_delay'),
 
728
                          r"^ +[0-9]+ms$")
 
729
        # if a benchmark time is given, we now show just that time followed by
 
730
        # a star
 
731
        self.check_timing(ShortDelayTestCase('test_short_benchmark'),
 
732
                          r"^ +[0-9]+ms\*$")
 
733
 
 
734
    def test_unittest_reporting_unittest_class(self):
 
735
        # getting the time from a non-bzrlib test works ok
 
736
        class ShortDelayTestCase(unittest.TestCase):
 
737
            def test_short_delay(self):
 
738
                time.sleep(0.003)
 
739
        self.check_timing(ShortDelayTestCase('test_short_delay'),
 
740
                          r"^ +[0-9]+ms$")
 
741
 
 
742
    def test_assigned_benchmark_file_stores_date(self):
 
743
        output = StringIO()
 
744
        result = bzrlib.tests.TextTestResult(self._log_file,
 
745
                                        descriptions=0,
 
746
                                        verbosity=1,
 
747
                                        bench_history=output
 
748
                                        )
 
749
        output_string = output.getvalue()
 
750
        # if you are wondering about the regexp please read the comment in
 
751
        # test_bench_history (bzrlib.tests.test_selftest.TestRunner)
 
752
        # XXX: what comment?  -- Andrew Bennetts
 
753
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
754
 
 
755
    def test_benchhistory_records_test_times(self):
 
756
        result_stream = StringIO()
 
757
        result = bzrlib.tests.TextTestResult(
 
758
            self._log_file,
 
759
            descriptions=0,
 
760
            verbosity=1,
 
761
            bench_history=result_stream
 
762
            )
 
763
 
 
764
        # we want profile a call and check that its test duration is recorded
 
765
        # make a new test instance that when run will generate a benchmark
 
766
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
767
        # execute the test, which should succeed and record times
 
768
        example_test_case.run(result)
 
769
        lines = result_stream.getvalue().splitlines()
 
770
        self.assertEqual(2, len(lines))
 
771
        self.assertContainsRe(lines[1],
 
772
            " *[0-9]+ms bzrlib.tests.test_selftest.TestTestResult"
 
773
            "._time_hello_world_encoding")
 
774
 
 
775
    def _time_hello_world_encoding(self):
 
776
        """Profile two sleep calls
 
777
 
 
778
        This is used to exercise the test framework.
 
779
        """
 
780
        self.time(unicode, 'hello', errors='replace')
 
781
        self.time(unicode, 'world', errors='replace')
 
782
 
 
783
    def test_lsprofiling(self):
 
784
        """Verbose test result prints lsprof statistics from test cases."""
 
785
        self.requireFeature(test_lsprof.LSProfFeature)
 
786
        result_stream = StringIO()
 
787
        result = bzrlib.tests.VerboseTestResult(
 
788
            unittest._WritelnDecorator(result_stream),
 
789
            descriptions=0,
 
790
            verbosity=2,
 
791
            )
 
792
        # we want profile a call of some sort and check it is output by
 
793
        # addSuccess. We dont care about addError or addFailure as they
 
794
        # are not that interesting for performance tuning.
 
795
        # make a new test instance that when run will generate a profile
 
796
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
797
        example_test_case._gather_lsprof_in_benchmarks = True
 
798
        # execute the test, which should succeed and record profiles
 
799
        example_test_case.run(result)
 
800
        # lsprofile_something()
 
801
        # if this worked we want
 
802
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
 
803
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
 
804
        # (the lsprof header)
 
805
        # ... an arbitrary number of lines
 
806
        # and the function call which is time.sleep.
 
807
        #           1        0            ???         ???       ???(sleep)
 
808
        # and then repeated but with 'world', rather than 'hello'.
 
809
        # this should appear in the output stream of our test result.
 
810
        output = result_stream.getvalue()
 
811
        self.assertContainsRe(output,
 
812
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
 
813
        self.assertContainsRe(output,
 
814
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
 
815
        self.assertContainsRe(output,
 
816
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
 
817
        self.assertContainsRe(output,
 
818
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
 
819
 
 
820
    def test_known_failure(self):
 
821
        """A KnownFailure being raised should trigger several result actions."""
 
822
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
823
            def stopTestRun(self): pass
 
824
            def startTests(self): pass
 
825
            def report_test_start(self, test): pass
 
826
            def report_known_failure(self, test, err):
 
827
                self._call = test, err
 
828
        result = InstrumentedTestResult(None, None, None, None)
 
829
        def test_function():
 
830
            raise tests.KnownFailure('failed!')
 
831
        test = unittest.FunctionTestCase(test_function)
 
832
        test.run(result)
 
833
        # it should invoke 'report_known_failure'.
 
834
        self.assertEqual(2, len(result._call))
 
835
        self.assertEqual(test, result._call[0])
 
836
        self.assertEqual(tests.KnownFailure, result._call[1][0])
 
837
        self.assertIsInstance(result._call[1][1], tests.KnownFailure)
 
838
        # we dont introspec the traceback, if the rest is ok, it would be
 
839
        # exceptional for it not to be.
 
840
        # it should update the known_failure_count on the object.
 
841
        self.assertEqual(1, result.known_failure_count)
 
842
        # the result should be successful.
 
843
        self.assertTrue(result.wasSuccessful())
 
844
 
 
845
    def test_verbose_report_known_failure(self):
 
846
        # verbose test output formatting
 
847
        result_stream = StringIO()
 
848
        result = bzrlib.tests.VerboseTestResult(
 
849
            unittest._WritelnDecorator(result_stream),
 
850
            descriptions=0,
 
851
            verbosity=2,
 
852
            )
 
853
        test = self.get_passing_test()
 
854
        result.startTest(test)
 
855
        prefix = len(result_stream.getvalue())
 
856
        # the err parameter has the shape:
 
857
        # (class, exception object, traceback)
 
858
        # KnownFailures dont get their tracebacks shown though, so we
 
859
        # can skip that.
 
860
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
 
861
        result.report_known_failure(test, err)
 
862
        output = result_stream.getvalue()[prefix:]
 
863
        lines = output.splitlines()
 
864
        self.assertContainsRe(lines[0], r'XFAIL *\d+ms$')
 
865
        self.assertEqual(lines[1], '    foo')
 
866
        self.assertEqual(2, len(lines))
 
867
 
 
868
    def get_passing_test(self):
 
869
        """Return a test object that can't be run usefully."""
 
870
        def passing_test():
 
871
            pass
 
872
        return unittest.FunctionTestCase(passing_test)
 
873
 
 
874
    def test_add_not_supported(self):
 
875
        """Test the behaviour of invoking addNotSupported."""
 
876
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
877
            def stopTestRun(self): pass
 
878
            def startTests(self): pass
 
879
            def report_test_start(self, test): pass
 
880
            def report_unsupported(self, test, feature):
 
881
                self._call = test, feature
 
882
        result = InstrumentedTestResult(None, None, None, None)
 
883
        test = SampleTestCase('_test_pass')
 
884
        feature = tests.Feature()
 
885
        result.startTest(test)
 
886
        result.addNotSupported(test, feature)
 
887
        # it should invoke 'report_unsupported'.
 
888
        self.assertEqual(2, len(result._call))
 
889
        self.assertEqual(test, result._call[0])
 
890
        self.assertEqual(feature, result._call[1])
 
891
        # the result should be successful.
 
892
        self.assertTrue(result.wasSuccessful())
 
893
        # it should record the test against a count of tests not run due to
 
894
        # this feature.
 
895
        self.assertEqual(1, result.unsupported['Feature'])
 
896
        # and invoking it again should increment that counter
 
897
        result.addNotSupported(test, feature)
 
898
        self.assertEqual(2, result.unsupported['Feature'])
 
899
 
 
900
    def test_verbose_report_unsupported(self):
 
901
        # verbose test output formatting
 
902
        result_stream = StringIO()
 
903
        result = bzrlib.tests.VerboseTestResult(
 
904
            unittest._WritelnDecorator(result_stream),
 
905
            descriptions=0,
 
906
            verbosity=2,
 
907
            )
 
908
        test = self.get_passing_test()
 
909
        feature = tests.Feature()
 
910
        result.startTest(test)
 
911
        prefix = len(result_stream.getvalue())
 
912
        result.report_unsupported(test, feature)
 
913
        output = result_stream.getvalue()[prefix:]
 
914
        lines = output.splitlines()
 
915
        self.assertEqual(lines, ['NODEP        0ms',
 
916
                                 "    The feature 'Feature' is not available."])
 
917
 
 
918
    def test_unavailable_exception(self):
 
919
        """An UnavailableFeature being raised should invoke addNotSupported."""
 
920
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
921
            def stopTestRun(self): pass
 
922
            def startTests(self): pass
 
923
            def report_test_start(self, test): pass
 
924
            def addNotSupported(self, test, feature):
 
925
                self._call = test, feature
 
926
        result = InstrumentedTestResult(None, None, None, None)
 
927
        feature = tests.Feature()
 
928
        def test_function():
 
929
            raise tests.UnavailableFeature(feature)
 
930
        test = unittest.FunctionTestCase(test_function)
 
931
        test.run(result)
 
932
        # it should invoke 'addNotSupported'.
 
933
        self.assertEqual(2, len(result._call))
 
934
        self.assertEqual(test, result._call[0])
 
935
        self.assertEqual(feature, result._call[1])
 
936
        # and not count as an error
 
937
        self.assertEqual(0, result.error_count)
 
938
 
 
939
    def test_strict_with_unsupported_feature(self):
 
940
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
941
                                             verbosity=1)
 
942
        test = self.get_passing_test()
 
943
        feature = "Unsupported Feature"
 
944
        result.addNotSupported(test, feature)
 
945
        self.assertFalse(result.wasStrictlySuccessful())
 
946
        self.assertEqual(None, result._extractBenchmarkTime(test))
 
947
 
 
948
    def test_strict_with_known_failure(self):
 
949
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
950
                                             verbosity=1)
 
951
        test = self.get_passing_test()
 
952
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
 
953
        result._addKnownFailure(test, err)
 
954
        self.assertFalse(result.wasStrictlySuccessful())
 
955
        self.assertEqual(None, result._extractBenchmarkTime(test))
 
956
 
 
957
    def test_strict_with_success(self):
 
958
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
959
                                             verbosity=1)
 
960
        test = self.get_passing_test()
 
961
        result.addSuccess(test)
 
962
        self.assertTrue(result.wasStrictlySuccessful())
 
963
        self.assertEqual(None, result._extractBenchmarkTime(test))
 
964
 
 
965
    def test_startTests(self):
 
966
        """Starting the first test should trigger startTests."""
 
967
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
968
            calls = 0
 
969
            def startTests(self): self.calls += 1
 
970
            def report_test_start(self, test): pass
 
971
        result = InstrumentedTestResult(None, None, None, None)
 
972
        def test_function():
 
973
            pass
 
974
        test = unittest.FunctionTestCase(test_function)
 
975
        test.run(result)
 
976
        self.assertEquals(1, result.calls)
 
977
 
 
978
 
 
979
class TestUnicodeFilenameFeature(tests.TestCase):
 
980
 
 
981
    def test_probe_passes(self):
 
982
        """UnicodeFilenameFeature._probe passes."""
 
983
        # We can't test much more than that because the behaviour depends
 
984
        # on the platform.
 
985
        tests.UnicodeFilenameFeature._probe()
 
986
 
 
987
 
 
988
class TestRunner(tests.TestCase):
 
989
 
 
990
    def dummy_test(self):
 
991
        pass
 
992
 
 
993
    def run_test_runner(self, testrunner, test):
 
994
        """Run suite in testrunner, saving global state and restoring it.
 
995
 
 
996
        This current saves and restores:
 
997
        TestCaseInTempDir.TEST_ROOT
 
998
 
 
999
        There should be no tests in this file that use
 
1000
        bzrlib.tests.TextTestRunner without using this convenience method,
 
1001
        because of our use of global state.
 
1002
        """
 
1003
        old_root = tests.TestCaseInTempDir.TEST_ROOT
 
1004
        old_leak = tests.TestCase._first_thread_leaker_id
 
1005
        try:
 
1006
            tests.TestCaseInTempDir.TEST_ROOT = None
 
1007
            tests.TestCase._first_thread_leaker_id = None
 
1008
            return testrunner.run(test)
 
1009
        finally:
 
1010
            tests.TestCaseInTempDir.TEST_ROOT = old_root
 
1011
            tests.TestCase._first_thread_leaker_id = old_leak
 
1012
 
 
1013
    def test_known_failure_failed_run(self):
 
1014
        # run a test that generates a known failure which should be printed in
 
1015
        # the final output when real failures occur.
 
1016
        def known_failure_test():
 
1017
            raise tests.KnownFailure('failed')
 
1018
        test = unittest.TestSuite()
 
1019
        test.addTest(unittest.FunctionTestCase(known_failure_test))
 
1020
        def failing_test():
 
1021
            raise AssertionError('foo')
 
1022
        test.addTest(unittest.FunctionTestCase(failing_test))
 
1023
        stream = StringIO()
 
1024
        runner = tests.TextTestRunner(stream=stream)
 
1025
        result = self.run_test_runner(runner, test)
 
1026
        lines = stream.getvalue().splitlines()
 
1027
        self.assertContainsRe(stream.getvalue(),
 
1028
            '(?sm)^testing.*$'
 
1029
            '.*'
 
1030
            '^======================================================================\n'
 
1031
            '^FAIL: unittest.FunctionTestCase \\(failing_test\\)\n'
 
1032
            '^----------------------------------------------------------------------\n'
 
1033
            'Traceback \\(most recent call last\\):\n'
 
1034
            '  .*' # File .*, line .*, in failing_test' - but maybe not from .pyc
 
1035
            '    raise AssertionError\\(\'foo\'\\)\n'
 
1036
            '.*'
 
1037
            '^----------------------------------------------------------------------\n'
 
1038
            '.*'
 
1039
            'FAILED \\(failures=1, known_failure_count=1\\)'
 
1040
            )
 
1041
 
 
1042
    def test_known_failure_ok_run(self):
 
1043
        # run a test that generates a known failure which should be printed in the final output.
 
1044
        def known_failure_test():
 
1045
            raise tests.KnownFailure('failed')
 
1046
        test = unittest.FunctionTestCase(known_failure_test)
 
1047
        stream = StringIO()
 
1048
        runner = tests.TextTestRunner(stream=stream)
 
1049
        result = self.run_test_runner(runner, test)
 
1050
        self.assertContainsRe(stream.getvalue(),
 
1051
            '\n'
 
1052
            '-*\n'
 
1053
            'Ran 1 test in .*\n'
 
1054
            '\n'
 
1055
            'OK \\(known_failures=1\\)\n')
 
1056
 
 
1057
    def test_result_decorator(self):
 
1058
        # decorate results
 
1059
        calls = []
 
1060
        class LoggingDecorator(tests.ForwardingResult):
 
1061
            def startTest(self, test):
 
1062
                tests.ForwardingResult.startTest(self, test)
 
1063
                calls.append('start')
 
1064
        test = unittest.FunctionTestCase(lambda:None)
 
1065
        stream = StringIO()
 
1066
        runner = tests.TextTestRunner(stream=stream,
 
1067
            result_decorators=[LoggingDecorator])
 
1068
        result = self.run_test_runner(runner, test)
 
1069
        self.assertLength(1, calls)
 
1070
 
 
1071
    def test_skipped_test(self):
 
1072
        # run a test that is skipped, and check the suite as a whole still
 
1073
        # succeeds.
 
1074
        # skipping_test must be hidden in here so it's not run as a real test
 
1075
        class SkippingTest(tests.TestCase):
 
1076
            def skipping_test(self):
 
1077
                raise tests.TestSkipped('test intentionally skipped')
 
1078
        runner = tests.TextTestRunner(stream=self._log_file)
 
1079
        test = SkippingTest("skipping_test")
 
1080
        result = self.run_test_runner(runner, test)
 
1081
        self.assertTrue(result.wasSuccessful())
 
1082
 
 
1083
    def test_skipped_from_setup(self):
 
1084
        calls = []
 
1085
        class SkippedSetupTest(tests.TestCase):
 
1086
 
 
1087
            def setUp(self):
 
1088
                calls.append('setUp')
 
1089
                self.addCleanup(self.cleanup)
 
1090
                raise tests.TestSkipped('skipped setup')
 
1091
 
 
1092
            def test_skip(self):
 
1093
                self.fail('test reached')
 
1094
 
 
1095
            def cleanup(self):
 
1096
                calls.append('cleanup')
 
1097
 
 
1098
        runner = tests.TextTestRunner(stream=self._log_file)
 
1099
        test = SkippedSetupTest('test_skip')
 
1100
        result = self.run_test_runner(runner, test)
 
1101
        self.assertTrue(result.wasSuccessful())
 
1102
        # Check if cleanup was called the right number of times.
 
1103
        self.assertEqual(['setUp', 'cleanup'], calls)
 
1104
 
 
1105
    def test_skipped_from_test(self):
 
1106
        calls = []
 
1107
        class SkippedTest(tests.TestCase):
 
1108
 
 
1109
            def setUp(self):
 
1110
                tests.TestCase.setUp(self)
 
1111
                calls.append('setUp')
 
1112
                self.addCleanup(self.cleanup)
 
1113
 
 
1114
            def test_skip(self):
 
1115
                raise tests.TestSkipped('skipped test')
 
1116
 
 
1117
            def cleanup(self):
 
1118
                calls.append('cleanup')
 
1119
 
 
1120
        runner = tests.TextTestRunner(stream=self._log_file)
 
1121
        test = SkippedTest('test_skip')
 
1122
        result = self.run_test_runner(runner, test)
 
1123
        self.assertTrue(result.wasSuccessful())
 
1124
        # Check if cleanup was called the right number of times.
 
1125
        self.assertEqual(['setUp', 'cleanup'], calls)
 
1126
 
 
1127
    def test_not_applicable(self):
 
1128
        # run a test that is skipped because it's not applicable
 
1129
        def not_applicable_test():
 
1130
            raise tests.TestNotApplicable('this test never runs')
 
1131
        out = StringIO()
 
1132
        runner = tests.TextTestRunner(stream=out, verbosity=2)
 
1133
        test = unittest.FunctionTestCase(not_applicable_test)
 
1134
        result = self.run_test_runner(runner, test)
 
1135
        self._log_file.write(out.getvalue())
 
1136
        self.assertTrue(result.wasSuccessful())
 
1137
        self.assertTrue(result.wasStrictlySuccessful())
 
1138
        self.assertContainsRe(out.getvalue(),
 
1139
                r'(?m)not_applicable_test   * N/A')
 
1140
        self.assertContainsRe(out.getvalue(),
 
1141
                r'(?m)^    this test never runs')
 
1142
 
 
1143
    def test_unsupported_features_listed(self):
 
1144
        """When unsupported features are encountered they are detailed."""
 
1145
        class Feature1(tests.Feature):
 
1146
            def _probe(self): return False
 
1147
        class Feature2(tests.Feature):
 
1148
            def _probe(self): return False
 
1149
        # create sample tests
 
1150
        test1 = SampleTestCase('_test_pass')
 
1151
        test1._test_needs_features = [Feature1()]
 
1152
        test2 = SampleTestCase('_test_pass')
 
1153
        test2._test_needs_features = [Feature2()]
 
1154
        test = unittest.TestSuite()
 
1155
        test.addTest(test1)
 
1156
        test.addTest(test2)
 
1157
        stream = StringIO()
 
1158
        runner = tests.TextTestRunner(stream=stream)
 
1159
        result = self.run_test_runner(runner, test)
 
1160
        lines = stream.getvalue().splitlines()
 
1161
        self.assertEqual([
 
1162
            'OK',
 
1163
            "Missing feature 'Feature1' skipped 1 tests.",
 
1164
            "Missing feature 'Feature2' skipped 1 tests.",
 
1165
            ],
 
1166
            lines[-3:])
 
1167
 
 
1168
    def test_bench_history(self):
 
1169
        # tests that the running the benchmark produces a history file
 
1170
        # containing a timestamp and the revision id of the bzrlib source which
 
1171
        # was tested.
 
1172
        workingtree = _get_bzr_source_tree()
 
1173
        test = TestRunner('dummy_test')
 
1174
        output = StringIO()
 
1175
        runner = tests.TextTestRunner(stream=self._log_file,
 
1176
                                      bench_history=output)
 
1177
        result = self.run_test_runner(runner, test)
 
1178
        output_string = output.getvalue()
 
1179
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
1180
        if workingtree is not None:
 
1181
            revision_id = workingtree.get_parent_ids()[0]
 
1182
            self.assertEndsWith(output_string.rstrip(), revision_id)
 
1183
 
 
1184
    def assertLogDeleted(self, test):
 
1185
        log = test._get_log()
 
1186
        self.assertEqual("DELETED log file to reduce memory footprint", log)
 
1187
        self.assertEqual('', test._log_contents)
 
1188
        self.assertIs(None, test._log_file_name)
 
1189
 
 
1190
    def test_success_log_deleted(self):
 
1191
        """Successful tests have their log deleted"""
 
1192
 
 
1193
        class LogTester(tests.TestCase):
 
1194
 
 
1195
            def test_success(self):
 
1196
                self.log('this will be removed\n')
 
1197
 
 
1198
        sio = StringIO()
 
1199
        runner = tests.TextTestRunner(stream=sio)
 
1200
        test = LogTester('test_success')
 
1201
        result = self.run_test_runner(runner, test)
 
1202
 
 
1203
        self.assertLogDeleted(test)
 
1204
 
 
1205
    def test_skipped_log_deleted(self):
 
1206
        """Skipped tests have their log deleted"""
 
1207
 
 
1208
        class LogTester(tests.TestCase):
 
1209
 
 
1210
            def test_skipped(self):
 
1211
                self.log('this will be removed\n')
 
1212
                raise tests.TestSkipped()
 
1213
 
 
1214
        sio = StringIO()
 
1215
        runner = tests.TextTestRunner(stream=sio)
 
1216
        test = LogTester('test_skipped')
 
1217
        result = self.run_test_runner(runner, test)
 
1218
 
 
1219
        self.assertLogDeleted(test)
 
1220
 
 
1221
    def test_not_aplicable_log_deleted(self):
 
1222
        """Not applicable tests have their log deleted"""
 
1223
 
 
1224
        class LogTester(tests.TestCase):
 
1225
 
 
1226
            def test_not_applicable(self):
 
1227
                self.log('this will be removed\n')
 
1228
                raise tests.TestNotApplicable()
 
1229
 
 
1230
        sio = StringIO()
 
1231
        runner = tests.TextTestRunner(stream=sio)
 
1232
        test = LogTester('test_not_applicable')
 
1233
        result = self.run_test_runner(runner, test)
 
1234
 
 
1235
        self.assertLogDeleted(test)
 
1236
 
 
1237
    def test_known_failure_log_deleted(self):
 
1238
        """Know failure tests have their log deleted"""
 
1239
 
 
1240
        class LogTester(tests.TestCase):
 
1241
 
 
1242
            def test_known_failure(self):
 
1243
                self.log('this will be removed\n')
 
1244
                raise tests.KnownFailure()
 
1245
 
 
1246
        sio = StringIO()
 
1247
        runner = tests.TextTestRunner(stream=sio)
 
1248
        test = LogTester('test_known_failure')
 
1249
        result = self.run_test_runner(runner, test)
 
1250
 
 
1251
        self.assertLogDeleted(test)
 
1252
 
 
1253
    def test_fail_log_kept(self):
 
1254
        """Failed tests have their log kept"""
 
1255
 
 
1256
        class LogTester(tests.TestCase):
 
1257
 
 
1258
            def test_fail(self):
 
1259
                self.log('this will be kept\n')
 
1260
                self.fail('this test fails')
 
1261
 
 
1262
        sio = StringIO()
 
1263
        runner = tests.TextTestRunner(stream=sio)
 
1264
        test = LogTester('test_fail')
 
1265
        result = self.run_test_runner(runner, test)
 
1266
 
 
1267
        text = sio.getvalue()
 
1268
        self.assertContainsRe(text, 'this will be kept')
 
1269
        self.assertContainsRe(text, 'this test fails')
 
1270
 
 
1271
        log = test._get_log()
 
1272
        self.assertContainsRe(log, 'this will be kept')
 
1273
        self.assertEqual(log, test._log_contents)
 
1274
 
 
1275
    def test_error_log_kept(self):
 
1276
        """Tests with errors have their log kept"""
 
1277
 
 
1278
        class LogTester(tests.TestCase):
 
1279
 
 
1280
            def test_error(self):
 
1281
                self.log('this will be kept\n')
 
1282
                raise ValueError('random exception raised')
 
1283
 
 
1284
        sio = StringIO()
 
1285
        runner = tests.TextTestRunner(stream=sio)
 
1286
        test = LogTester('test_error')
 
1287
        result = self.run_test_runner(runner, test)
 
1288
 
 
1289
        text = sio.getvalue()
 
1290
        self.assertContainsRe(text, 'this will be kept')
 
1291
        self.assertContainsRe(text, 'random exception raised')
 
1292
 
 
1293
        log = test._get_log()
 
1294
        self.assertContainsRe(log, 'this will be kept')
 
1295
        self.assertEqual(log, test._log_contents)
 
1296
 
 
1297
    def test_startTestRun(self):
 
1298
        """run should call result.startTestRun()"""
 
1299
        calls = []
 
1300
        class LoggingDecorator(tests.ForwardingResult):
 
1301
            def startTestRun(self):
 
1302
                tests.ForwardingResult.startTestRun(self)
 
1303
                calls.append('startTestRun')
 
1304
        test = unittest.FunctionTestCase(lambda:None)
 
1305
        stream = StringIO()
 
1306
        runner = tests.TextTestRunner(stream=stream,
 
1307
            result_decorators=[LoggingDecorator])
 
1308
        result = self.run_test_runner(runner, test)
 
1309
        self.assertLength(1, calls)
 
1310
 
 
1311
    def test_stopTestRun(self):
 
1312
        """run should call result.stopTestRun()"""
 
1313
        calls = []
 
1314
        class LoggingDecorator(tests.ForwardingResult):
 
1315
            def stopTestRun(self):
 
1316
                tests.ForwardingResult.stopTestRun(self)
 
1317
                calls.append('stopTestRun')
 
1318
        test = unittest.FunctionTestCase(lambda:None)
 
1319
        stream = StringIO()
 
1320
        runner = tests.TextTestRunner(stream=stream,
 
1321
            result_decorators=[LoggingDecorator])
 
1322
        result = self.run_test_runner(runner, test)
 
1323
        self.assertLength(1, calls)
 
1324
 
 
1325
 
 
1326
class SampleTestCase(tests.TestCase):
 
1327
 
 
1328
    def _test_pass(self):
 
1329
        pass
 
1330
 
 
1331
class _TestException(Exception):
 
1332
    pass
 
1333
 
 
1334
 
 
1335
class TestTestCase(tests.TestCase):
 
1336
    """Tests that test the core bzrlib TestCase."""
 
1337
 
 
1338
    def test_assertLength_matches_empty(self):
 
1339
        a_list = []
 
1340
        self.assertLength(0, a_list)
 
1341
 
 
1342
    def test_assertLength_matches_nonempty(self):
 
1343
        a_list = [1, 2, 3]
 
1344
        self.assertLength(3, a_list)
 
1345
 
 
1346
    def test_assertLength_fails_different(self):
 
1347
        a_list = []
 
1348
        self.assertRaises(AssertionError, self.assertLength, 1, a_list)
 
1349
 
 
1350
    def test_assertLength_shows_sequence_in_failure(self):
 
1351
        a_list = [1, 2, 3]
 
1352
        exception = self.assertRaises(AssertionError, self.assertLength, 2,
 
1353
            a_list)
 
1354
        self.assertEqual('Incorrect length: wanted 2, got 3 for [1, 2, 3]',
 
1355
            exception.args[0])
 
1356
 
 
1357
    def test_base_setUp_not_called_causes_failure(self):
 
1358
        class TestCaseWithBrokenSetUp(tests.TestCase):
 
1359
            def setUp(self):
 
1360
                pass # does not call TestCase.setUp
 
1361
            def test_foo(self):
 
1362
                pass
 
1363
        test = TestCaseWithBrokenSetUp('test_foo')
 
1364
        result = unittest.TestResult()
 
1365
        test.run(result)
 
1366
        self.assertFalse(result.wasSuccessful())
 
1367
        self.assertEqual(1, result.testsRun)
 
1368
 
 
1369
    def test_base_tearDown_not_called_causes_failure(self):
 
1370
        class TestCaseWithBrokenTearDown(tests.TestCase):
 
1371
            def tearDown(self):
 
1372
                pass # does not call TestCase.tearDown
 
1373
            def test_foo(self):
 
1374
                pass
 
1375
        test = TestCaseWithBrokenTearDown('test_foo')
 
1376
        result = unittest.TestResult()
 
1377
        test.run(result)
 
1378
        self.assertFalse(result.wasSuccessful())
 
1379
        self.assertEqual(1, result.testsRun)
 
1380
 
 
1381
    def test_debug_flags_sanitised(self):
 
1382
        """The bzrlib debug flags should be sanitised by setUp."""
 
1383
        if 'allow_debug' in tests.selftest_debug_flags:
 
1384
            raise tests.TestNotApplicable(
 
1385
                '-Eallow_debug option prevents debug flag sanitisation')
 
1386
        # we could set something and run a test that will check
 
1387
        # it gets santised, but this is probably sufficient for now:
 
1388
        # if someone runs the test with -Dsomething it will error.
 
1389
        flags = set()
 
1390
        if self._lock_check_thorough:
 
1391
            flags.add('strict_locks')
 
1392
        self.assertEqual(flags, bzrlib.debug.debug_flags)
 
1393
 
 
1394
    def change_selftest_debug_flags(self, new_flags):
 
1395
        orig_selftest_flags = tests.selftest_debug_flags
 
1396
        self.addCleanup(self._restore_selftest_debug_flags, orig_selftest_flags)
 
1397
        tests.selftest_debug_flags = set(new_flags)
 
1398
 
 
1399
    def _restore_selftest_debug_flags(self, flags):
 
1400
        tests.selftest_debug_flags = flags
 
1401
 
 
1402
    def test_allow_debug_flag(self):
 
1403
        """The -Eallow_debug flag prevents bzrlib.debug.debug_flags from being
 
1404
        sanitised (i.e. cleared) before running a test.
 
1405
        """
 
1406
        self.change_selftest_debug_flags(set(['allow_debug']))
 
1407
        bzrlib.debug.debug_flags = set(['a-flag'])
 
1408
        class TestThatRecordsFlags(tests.TestCase):
 
1409
            def test_foo(nested_self):
 
1410
                self.flags = set(bzrlib.debug.debug_flags)
 
1411
        test = TestThatRecordsFlags('test_foo')
 
1412
        test.run(self.make_test_result())
 
1413
        flags = set(['a-flag'])
 
1414
        if 'disable_lock_checks' not in tests.selftest_debug_flags:
 
1415
            flags.add('strict_locks')
 
1416
        self.assertEqual(flags, self.flags)
 
1417
 
 
1418
    def test_disable_lock_checks(self):
 
1419
        """The -Edisable_lock_checks flag disables thorough checks."""
 
1420
        class TestThatRecordsFlags(tests.TestCase):
 
1421
            def test_foo(nested_self):
 
1422
                self.flags = set(bzrlib.debug.debug_flags)
 
1423
                self.test_lock_check_thorough = nested_self._lock_check_thorough
 
1424
        self.change_selftest_debug_flags(set())
 
1425
        test = TestThatRecordsFlags('test_foo')
 
1426
        test.run(self.make_test_result())
 
1427
        # By default we do strict lock checking and thorough lock/unlock
 
1428
        # tracking.
 
1429
        self.assertTrue(self.test_lock_check_thorough)
 
1430
        self.assertEqual(set(['strict_locks']), self.flags)
 
1431
        # Now set the disable_lock_checks flag, and show that this changed.
 
1432
        self.change_selftest_debug_flags(set(['disable_lock_checks']))
 
1433
        test = TestThatRecordsFlags('test_foo')
 
1434
        test.run(self.make_test_result())
 
1435
        self.assertFalse(self.test_lock_check_thorough)
 
1436
        self.assertEqual(set(), self.flags)
 
1437
 
 
1438
    def test_this_fails_strict_lock_check(self):
 
1439
        class TestThatRecordsFlags(tests.TestCase):
 
1440
            def test_foo(nested_self):
 
1441
                self.flags1 = set(bzrlib.debug.debug_flags)
 
1442
                self.thisFailsStrictLockCheck()
 
1443
                self.flags2 = set(bzrlib.debug.debug_flags)
 
1444
        # Make sure lock checking is active
 
1445
        self.change_selftest_debug_flags(set())
 
1446
        test = TestThatRecordsFlags('test_foo')
 
1447
        test.run(self.make_test_result())
 
1448
        self.assertEqual(set(['strict_locks']), self.flags1)
 
1449
        self.assertEqual(set(), self.flags2)
 
1450
 
 
1451
    def test_debug_flags_restored(self):
 
1452
        """The bzrlib debug flags should be restored to their original state
 
1453
        after the test was run, even if allow_debug is set.
 
1454
        """
 
1455
        self.change_selftest_debug_flags(set(['allow_debug']))
 
1456
        # Now run a test that modifies debug.debug_flags.
 
1457
        bzrlib.debug.debug_flags = set(['original-state'])
 
1458
        class TestThatModifiesFlags(tests.TestCase):
 
1459
            def test_foo(self):
 
1460
                bzrlib.debug.debug_flags = set(['modified'])
 
1461
        test = TestThatModifiesFlags('test_foo')
 
1462
        test.run(self.make_test_result())
 
1463
        self.assertEqual(set(['original-state']), bzrlib.debug.debug_flags)
 
1464
 
 
1465
    def make_test_result(self):
 
1466
        return tests.TextTestResult(self._log_file, descriptions=0, verbosity=1)
 
1467
 
 
1468
    def inner_test(self):
 
1469
        # the inner child test
 
1470
        note("inner_test")
 
1471
 
 
1472
    def outer_child(self):
 
1473
        # the outer child test
 
1474
        note("outer_start")
 
1475
        self.inner_test = TestTestCase("inner_child")
 
1476
        result = self.make_test_result()
 
1477
        self.inner_test.run(result)
 
1478
        note("outer finish")
 
1479
 
 
1480
    def test_trace_nesting(self):
 
1481
        # this tests that each test case nests its trace facility correctly.
 
1482
        # we do this by running a test case manually. That test case (A)
 
1483
        # should setup a new log, log content to it, setup a child case (B),
 
1484
        # which should log independently, then case (A) should log a trailer
 
1485
        # and return.
 
1486
        # we do two nested children so that we can verify the state of the
 
1487
        # logs after the outer child finishes is correct, which a bad clean
 
1488
        # up routine in tearDown might trigger a fault in our test with only
 
1489
        # one child, we should instead see the bad result inside our test with
 
1490
        # the two children.
 
1491
        # the outer child test
 
1492
        original_trace = bzrlib.trace._trace_file
 
1493
        outer_test = TestTestCase("outer_child")
 
1494
        result = self.make_test_result()
 
1495
        outer_test.run(result)
 
1496
        self.addCleanup(osutils.delete_any, outer_test._log_file_name)
 
1497
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
 
1498
 
 
1499
    def method_that_times_a_bit_twice(self):
 
1500
        # call self.time twice to ensure it aggregates
 
1501
        self.time(time.sleep, 0.007)
 
1502
        self.time(time.sleep, 0.007)
 
1503
 
 
1504
    def test_time_creates_benchmark_in_result(self):
 
1505
        """Test that the TestCase.time() method accumulates a benchmark time."""
 
1506
        sample_test = TestTestCase("method_that_times_a_bit_twice")
 
1507
        output_stream = StringIO()
 
1508
        result = bzrlib.tests.VerboseTestResult(
 
1509
            unittest._WritelnDecorator(output_stream),
 
1510
            descriptions=0,
 
1511
            verbosity=2)
 
1512
        sample_test.run(result)
 
1513
        self.assertContainsRe(
 
1514
            output_stream.getvalue(),
 
1515
            r"\d+ms\*\n$")
 
1516
 
 
1517
    def test_hooks_sanitised(self):
 
1518
        """The bzrlib hooks should be sanitised by setUp."""
 
1519
        # Note this test won't fail with hooks that the core library doesn't
 
1520
        # use - but it trigger with a plugin that adds hooks, so its still a
 
1521
        # useful warning in that case.
 
1522
        self.assertEqual(bzrlib.branch.BranchHooks(),
 
1523
            bzrlib.branch.Branch.hooks)
 
1524
        self.assertEqual(bzrlib.smart.server.SmartServerHooks(),
 
1525
            bzrlib.smart.server.SmartTCPServer.hooks)
 
1526
        self.assertEqual(bzrlib.commands.CommandHooks(),
 
1527
            bzrlib.commands.Command.hooks)
 
1528
 
 
1529
    def test__gather_lsprof_in_benchmarks(self):
 
1530
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
 
1531
 
 
1532
        Each self.time() call is individually and separately profiled.
 
1533
        """
 
1534
        self.requireFeature(test_lsprof.LSProfFeature)
 
1535
        # overrides the class member with an instance member so no cleanup
 
1536
        # needed.
 
1537
        self._gather_lsprof_in_benchmarks = True
 
1538
        self.time(time.sleep, 0.000)
 
1539
        self.time(time.sleep, 0.003)
 
1540
        self.assertEqual(2, len(self._benchcalls))
 
1541
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
 
1542
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
 
1543
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
 
1544
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
 
1545
        del self._benchcalls[:]
 
1546
 
 
1547
    def test_knownFailure(self):
 
1548
        """Self.knownFailure() should raise a KnownFailure exception."""
 
1549
        self.assertRaises(tests.KnownFailure, self.knownFailure, "A Failure")
 
1550
 
 
1551
    def test_requireFeature_available(self):
 
1552
        """self.requireFeature(available) is a no-op."""
 
1553
        class Available(tests.Feature):
 
1554
            def _probe(self):return True
 
1555
        feature = Available()
 
1556
        self.requireFeature(feature)
 
1557
 
 
1558
    def test_requireFeature_unavailable(self):
 
1559
        """self.requireFeature(unavailable) raises UnavailableFeature."""
 
1560
        class Unavailable(tests.Feature):
 
1561
            def _probe(self):return False
 
1562
        feature = Unavailable()
 
1563
        self.assertRaises(tests.UnavailableFeature,
 
1564
                          self.requireFeature, feature)
 
1565
 
 
1566
    def test_run_no_parameters(self):
 
1567
        test = SampleTestCase('_test_pass')
 
1568
        test.run()
 
1569
 
 
1570
    def test_run_enabled_unittest_result(self):
 
1571
        """Test we revert to regular behaviour when the test is enabled."""
 
1572
        test = SampleTestCase('_test_pass')
 
1573
        class EnabledFeature(object):
 
1574
            def available(self):
 
1575
                return True
 
1576
        test._test_needs_features = [EnabledFeature()]
 
1577
        result = unittest.TestResult()
 
1578
        test.run(result)
 
1579
        self.assertEqual(1, result.testsRun)
 
1580
        self.assertEqual([], result.errors)
 
1581
        self.assertEqual([], result.failures)
 
1582
 
 
1583
    def test_run_disabled_unittest_result(self):
 
1584
        """Test our compatability for disabled tests with unittest results."""
 
1585
        test = SampleTestCase('_test_pass')
 
1586
        class DisabledFeature(object):
 
1587
            def available(self):
 
1588
                return False
 
1589
        test._test_needs_features = [DisabledFeature()]
 
1590
        result = unittest.TestResult()
 
1591
        test.run(result)
 
1592
        self.assertEqual(1, result.testsRun)
 
1593
        self.assertEqual([], result.errors)
 
1594
        self.assertEqual([], result.failures)
 
1595
 
 
1596
    def test_run_disabled_supporting_result(self):
 
1597
        """Test disabled tests behaviour with support aware results."""
 
1598
        test = SampleTestCase('_test_pass')
 
1599
        class DisabledFeature(object):
 
1600
            def available(self):
 
1601
                return False
 
1602
        the_feature = DisabledFeature()
 
1603
        test._test_needs_features = [the_feature]
 
1604
        class InstrumentedTestResult(unittest.TestResult):
 
1605
            def __init__(self):
 
1606
                unittest.TestResult.__init__(self)
 
1607
                self.calls = []
 
1608
            def startTest(self, test):
 
1609
                self.calls.append(('startTest', test))
 
1610
            def stopTest(self, test):
 
1611
                self.calls.append(('stopTest', test))
 
1612
            def addNotSupported(self, test, feature):
 
1613
                self.calls.append(('addNotSupported', test, feature))
 
1614
        result = InstrumentedTestResult()
 
1615
        test.run(result)
 
1616
        self.assertEqual([
 
1617
            ('startTest', test),
 
1618
            ('addNotSupported', test, the_feature),
 
1619
            ('stopTest', test),
 
1620
            ],
 
1621
            result.calls)
 
1622
 
 
1623
    def test_assert_list_raises_on_generator(self):
 
1624
        def generator_which_will_raise():
 
1625
            # This will not raise until after the first yield
 
1626
            yield 1
 
1627
            raise _TestException()
 
1628
 
 
1629
        e = self.assertListRaises(_TestException, generator_which_will_raise)
 
1630
        self.assertIsInstance(e, _TestException)
 
1631
 
 
1632
        e = self.assertListRaises(Exception, generator_which_will_raise)
 
1633
        self.assertIsInstance(e, _TestException)
 
1634
 
 
1635
    def test_assert_list_raises_on_plain(self):
 
1636
        def plain_exception():
 
1637
            raise _TestException()
 
1638
            return []
 
1639
 
 
1640
        e = self.assertListRaises(_TestException, plain_exception)
 
1641
        self.assertIsInstance(e, _TestException)
 
1642
 
 
1643
        e = self.assertListRaises(Exception, plain_exception)
 
1644
        self.assertIsInstance(e, _TestException)
 
1645
 
 
1646
    def test_assert_list_raises_assert_wrong_exception(self):
 
1647
        class _NotTestException(Exception):
 
1648
            pass
 
1649
 
 
1650
        def wrong_exception():
 
1651
            raise _NotTestException()
 
1652
 
 
1653
        def wrong_exception_generator():
 
1654
            yield 1
 
1655
            yield 2
 
1656
            raise _NotTestException()
 
1657
 
 
1658
        # Wrong exceptions are not intercepted
 
1659
        self.assertRaises(_NotTestException,
 
1660
            self.assertListRaises, _TestException, wrong_exception)
 
1661
        self.assertRaises(_NotTestException,
 
1662
            self.assertListRaises, _TestException, wrong_exception_generator)
 
1663
 
 
1664
    def test_assert_list_raises_no_exception(self):
 
1665
        def success():
 
1666
            return []
 
1667
 
 
1668
        def success_generator():
 
1669
            yield 1
 
1670
            yield 2
 
1671
 
 
1672
        self.assertRaises(AssertionError,
 
1673
            self.assertListRaises, _TestException, success)
 
1674
 
 
1675
        self.assertRaises(AssertionError,
 
1676
            self.assertListRaises, _TestException, success_generator)
 
1677
 
 
1678
 
 
1679
# NB: Don't delete this; it's not actually from 0.11!
 
1680
@deprecated_function(deprecated_in((0, 11, 0)))
 
1681
def sample_deprecated_function():
 
1682
    """A deprecated function to test applyDeprecated with."""
 
1683
    return 2
 
1684
 
 
1685
 
 
1686
def sample_undeprecated_function(a_param):
 
1687
    """A undeprecated function to test applyDeprecated with."""
 
1688
 
 
1689
 
 
1690
class ApplyDeprecatedHelper(object):
 
1691
    """A helper class for ApplyDeprecated tests."""
 
1692
 
 
1693
    @deprecated_method(deprecated_in((0, 11, 0)))
 
1694
    def sample_deprecated_method(self, param_one):
 
1695
        """A deprecated method for testing with."""
 
1696
        return param_one
 
1697
 
 
1698
    def sample_normal_method(self):
 
1699
        """A undeprecated method."""
 
1700
 
 
1701
    @deprecated_method(deprecated_in((0, 10, 0)))
 
1702
    def sample_nested_deprecation(self):
 
1703
        return sample_deprecated_function()
 
1704
 
 
1705
 
 
1706
class TestExtraAssertions(tests.TestCase):
 
1707
    """Tests for new test assertions in bzrlib test suite"""
 
1708
 
 
1709
    def test_assert_isinstance(self):
 
1710
        self.assertIsInstance(2, int)
 
1711
        self.assertIsInstance(u'', basestring)
 
1712
        e = self.assertRaises(AssertionError, self.assertIsInstance, None, int)
 
1713
        self.assertEquals(str(e),
 
1714
            "None is an instance of <type 'NoneType'> rather than <type 'int'>")
 
1715
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
 
1716
        e = self.assertRaises(AssertionError,
 
1717
            self.assertIsInstance, None, int, "it's just not")
 
1718
        self.assertEquals(str(e),
 
1719
            "None is an instance of <type 'NoneType'> rather than <type 'int'>"
 
1720
            ": it's just not")
 
1721
 
 
1722
    def test_assertEndsWith(self):
 
1723
        self.assertEndsWith('foo', 'oo')
 
1724
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
 
1725
 
 
1726
    def test_applyDeprecated_not_deprecated(self):
 
1727
        sample_object = ApplyDeprecatedHelper()
 
1728
        # calling an undeprecated callable raises an assertion
 
1729
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1730
            deprecated_in((0, 11, 0)),
 
1731
            sample_object.sample_normal_method)
 
1732
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1733
            deprecated_in((0, 11, 0)),
 
1734
            sample_undeprecated_function, "a param value")
 
1735
        # calling a deprecated callable (function or method) with the wrong
 
1736
        # expected deprecation fails.
 
1737
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1738
            deprecated_in((0, 10, 0)),
 
1739
            sample_object.sample_deprecated_method, "a param value")
 
1740
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1741
            deprecated_in((0, 10, 0)),
 
1742
            sample_deprecated_function)
 
1743
        # calling a deprecated callable (function or method) with the right
 
1744
        # expected deprecation returns the functions result.
 
1745
        self.assertEqual("a param value",
 
1746
            self.applyDeprecated(deprecated_in((0, 11, 0)),
 
1747
            sample_object.sample_deprecated_method, "a param value"))
 
1748
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 11, 0)),
 
1749
            sample_deprecated_function))
 
1750
        # calling a nested deprecation with the wrong deprecation version
 
1751
        # fails even if a deeper nested function was deprecated with the
 
1752
        # supplied version.
 
1753
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1754
            deprecated_in((0, 11, 0)), sample_object.sample_nested_deprecation)
 
1755
        # calling a nested deprecation with the right deprecation value
 
1756
        # returns the calls result.
 
1757
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 10, 0)),
 
1758
            sample_object.sample_nested_deprecation))
 
1759
 
 
1760
    def test_callDeprecated(self):
 
1761
        def testfunc(be_deprecated, result=None):
 
1762
            if be_deprecated is True:
 
1763
                symbol_versioning.warn('i am deprecated', DeprecationWarning,
 
1764
                                       stacklevel=1)
 
1765
            return result
 
1766
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
 
1767
        self.assertIs(None, result)
 
1768
        result = self.callDeprecated([], testfunc, False, 'result')
 
1769
        self.assertEqual('result', result)
 
1770
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
 
1771
        self.callDeprecated([], testfunc, be_deprecated=False)
 
1772
 
 
1773
 
 
1774
class TestWarningTests(tests.TestCase):
 
1775
    """Tests for calling methods that raise warnings."""
 
1776
 
 
1777
    def test_callCatchWarnings(self):
 
1778
        def meth(a, b):
 
1779
            warnings.warn("this is your last warning")
 
1780
            return a + b
 
1781
        wlist, result = self.callCatchWarnings(meth, 1, 2)
 
1782
        self.assertEquals(3, result)
 
1783
        # would like just to compare them, but UserWarning doesn't implement
 
1784
        # eq well
 
1785
        w0, = wlist
 
1786
        self.assertIsInstance(w0, UserWarning)
 
1787
        self.assertEquals("this is your last warning", str(w0))
 
1788
 
 
1789
 
 
1790
class TestConvenienceMakers(tests.TestCaseWithTransport):
 
1791
    """Test for the make_* convenience functions."""
 
1792
 
 
1793
    def test_make_branch_and_tree_with_format(self):
 
1794
        # we should be able to supply a format to make_branch_and_tree
 
1795
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
 
1796
        self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
 
1797
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
 
1798
                              bzrlib.bzrdir.BzrDirMetaFormat1)
 
1799
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
 
1800
                              bzrlib.bzrdir.BzrDirFormat6)
 
1801
 
 
1802
    def test_make_branch_and_memory_tree(self):
 
1803
        # we should be able to get a new branch and a mutable tree from
 
1804
        # TestCaseWithTransport
 
1805
        tree = self.make_branch_and_memory_tree('a')
 
1806
        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
 
1807
 
 
1808
    def test_make_tree_for_local_vfs_backed_transport(self):
 
1809
        # make_branch_and_tree has to use local branch and repositories
 
1810
        # when the vfs transport and local disk are colocated, even if
 
1811
        # a different transport is in use for url generation.
 
1812
        from bzrlib.transport.fakevfat import FakeVFATServer
 
1813
        self.transport_server = FakeVFATServer
 
1814
        self.assertFalse(self.get_url('t1').startswith('file://'))
 
1815
        tree = self.make_branch_and_tree('t1')
 
1816
        base = tree.bzrdir.root_transport.base
 
1817
        self.assertStartsWith(base, 'file://')
 
1818
        self.assertEquals(tree.bzrdir.root_transport,
 
1819
                tree.branch.bzrdir.root_transport)
 
1820
        self.assertEquals(tree.bzrdir.root_transport,
 
1821
                tree.branch.repository.bzrdir.root_transport)
 
1822
 
 
1823
 
 
1824
class SelfTestHelper:
 
1825
 
 
1826
    def run_selftest(self, **kwargs):
 
1827
        """Run selftest returning its output."""
 
1828
        output = StringIO()
 
1829
        old_transport = bzrlib.tests.default_transport
 
1830
        old_root = tests.TestCaseWithMemoryTransport.TEST_ROOT
 
1831
        tests.TestCaseWithMemoryTransport.TEST_ROOT = None
 
1832
        try:
 
1833
            self.assertEqual(True, tests.selftest(stream=output, **kwargs))
 
1834
        finally:
 
1835
            bzrlib.tests.default_transport = old_transport
 
1836
            tests.TestCaseWithMemoryTransport.TEST_ROOT = old_root
 
1837
        output.seek(0)
 
1838
        return output
 
1839
 
 
1840
 
 
1841
class TestSelftest(tests.TestCase, SelfTestHelper):
 
1842
    """Tests of bzrlib.tests.selftest."""
 
1843
 
 
1844
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
 
1845
        factory_called = []
 
1846
        def factory():
 
1847
            factory_called.append(True)
 
1848
            return TestUtil.TestSuite()
 
1849
        out = StringIO()
 
1850
        err = StringIO()
 
1851
        self.apply_redirected(out, err, None, bzrlib.tests.selftest,
 
1852
            test_suite_factory=factory)
 
1853
        self.assertEqual([True], factory_called)
 
1854
 
 
1855
    def factory(self):
 
1856
        """A test suite factory."""
 
1857
        class Test(tests.TestCase):
 
1858
            def a(self):
 
1859
                pass
 
1860
            def b(self):
 
1861
                pass
 
1862
            def c(self):
 
1863
                pass
 
1864
        return TestUtil.TestSuite([Test("a"), Test("b"), Test("c")])
 
1865
 
 
1866
    def test_list_only(self):
 
1867
        output = self.run_selftest(test_suite_factory=self.factory,
 
1868
            list_only=True)
 
1869
        self.assertEqual(3, len(output.readlines()))
 
1870
 
 
1871
    def test_list_only_filtered(self):
 
1872
        output = self.run_selftest(test_suite_factory=self.factory,
 
1873
            list_only=True, pattern="Test.b")
 
1874
        self.assertEndsWith(output.getvalue(), "Test.b\n")
 
1875
        self.assertLength(1, output.readlines())
 
1876
 
 
1877
    def test_list_only_excludes(self):
 
1878
        output = self.run_selftest(test_suite_factory=self.factory,
 
1879
            list_only=True, exclude_pattern="Test.b")
 
1880
        self.assertNotContainsRe("Test.b", output.getvalue())
 
1881
        self.assertLength(2, output.readlines())
 
1882
 
 
1883
    def test_lsprof_tests(self):
 
1884
        self.requireFeature(test_lsprof.LSProfFeature)
 
1885
        calls = []
 
1886
        class Test(object):
 
1887
            def __call__(test, result):
 
1888
                test.run(result)
 
1889
            def run(test, result):
 
1890
                self.assertIsInstance(result, tests.ForwardingResult)
 
1891
                calls.append("called")
 
1892
            def countTestCases(self):
 
1893
                return 1
 
1894
        self.run_selftest(test_suite_factory=Test, lsprof_tests=True)
 
1895
        self.assertLength(1, calls)
 
1896
 
 
1897
    def test_random(self):
 
1898
        # test randomising by listing a number of tests.
 
1899
        output_123 = self.run_selftest(test_suite_factory=self.factory,
 
1900
            list_only=True, random_seed="123")
 
1901
        output_234 = self.run_selftest(test_suite_factory=self.factory,
 
1902
            list_only=True, random_seed="234")
 
1903
        self.assertNotEqual(output_123, output_234)
 
1904
        # "Randominzing test order..\n\n
 
1905
        self.assertLength(5, output_123.readlines())
 
1906
        self.assertLength(5, output_234.readlines())
 
1907
 
 
1908
    def test_random_reuse_is_same_order(self):
 
1909
        # test randomising by listing a number of tests.
 
1910
        expected = self.run_selftest(test_suite_factory=self.factory,
 
1911
            list_only=True, random_seed="123")
 
1912
        repeated = self.run_selftest(test_suite_factory=self.factory,
 
1913
            list_only=True, random_seed="123")
 
1914
        self.assertEqual(expected.getvalue(), repeated.getvalue())
 
1915
 
 
1916
    def test_runner_class(self):
 
1917
        self.requireFeature(SubUnitFeature)
 
1918
        from subunit import ProtocolTestCase
 
1919
        stream = self.run_selftest(runner_class=tests.SubUnitBzrRunner,
 
1920
            test_suite_factory=self.factory)
 
1921
        test = ProtocolTestCase(stream)
 
1922
        result = unittest.TestResult()
 
1923
        test.run(result)
 
1924
        self.assertEqual(3, result.testsRun)
 
1925
 
 
1926
    def test_starting_with_single_argument(self):
 
1927
        output = self.run_selftest(test_suite_factory=self.factory,
 
1928
            starting_with=['bzrlib.tests.test_selftest.Test.a'],
 
1929
            list_only=True)
 
1930
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n',
 
1931
            output.getvalue())
 
1932
 
 
1933
    def test_starting_with_multiple_argument(self):
 
1934
        output = self.run_selftest(test_suite_factory=self.factory,
 
1935
            starting_with=['bzrlib.tests.test_selftest.Test.a',
 
1936
                'bzrlib.tests.test_selftest.Test.b'],
 
1937
            list_only=True)
 
1938
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n'
 
1939
            'bzrlib.tests.test_selftest.Test.b\n',
 
1940
            output.getvalue())
 
1941
 
 
1942
    def check_transport_set(self, transport_server):
 
1943
        captured_transport = []
 
1944
        def seen_transport(a_transport):
 
1945
            captured_transport.append(a_transport)
 
1946
        class Capture(tests.TestCase):
 
1947
            def a(self):
 
1948
                seen_transport(bzrlib.tests.default_transport)
 
1949
        def factory():
 
1950
            return TestUtil.TestSuite([Capture("a")])
 
1951
        self.run_selftest(transport=transport_server, test_suite_factory=factory)
 
1952
        self.assertEqual(transport_server, captured_transport[0])
 
1953
 
 
1954
    def test_transport_sftp(self):
 
1955
        try:
 
1956
            import bzrlib.transport.sftp
 
1957
        except errors.ParamikoNotPresent:
 
1958
            raise tests.TestSkipped("Paramiko not present")
 
1959
        self.check_transport_set(bzrlib.transport.sftp.SFTPAbsoluteServer)
 
1960
 
 
1961
    def test_transport_memory(self):
 
1962
        self.check_transport_set(bzrlib.transport.memory.MemoryServer)
 
1963
 
 
1964
 
 
1965
class TestSelftestWithIdList(tests.TestCaseInTempDir, SelfTestHelper):
 
1966
    # Does IO: reads test.list
 
1967
 
 
1968
    def test_load_list(self):
 
1969
        # Provide a list with one test - this test.
 
1970
        test_id_line = '%s\n' % self.id()
 
1971
        self.build_tree_contents([('test.list', test_id_line)])
 
1972
        # And generate a list of the tests in  the suite.
 
1973
        stream = self.run_selftest(load_list='test.list', list_only=True)
 
1974
        self.assertEqual(test_id_line, stream.getvalue())
 
1975
 
 
1976
    def test_load_unknown(self):
 
1977
        # Provide a list with one test - this test.
 
1978
        # And generate a list of the tests in  the suite.
 
1979
        err = self.assertRaises(errors.NoSuchFile, self.run_selftest,
 
1980
            load_list='missing file name', list_only=True)
 
1981
 
 
1982
 
 
1983
class TestRunBzr(tests.TestCase):
 
1984
 
 
1985
    out = ''
 
1986
    err = ''
 
1987
 
 
1988
    def _run_bzr_core(self, argv, retcode=0, encoding=None, stdin=None,
 
1989
                         working_dir=None):
 
1990
        """Override _run_bzr_core to test how it is invoked by run_bzr.
 
1991
 
 
1992
        Attempts to run bzr from inside this class don't actually run it.
 
1993
 
 
1994
        We test how run_bzr actually invokes bzr in another location.
 
1995
        Here we only need to test that it is run_bzr passes the right
 
1996
        parameters to run_bzr.
 
1997
        """
 
1998
        self.argv = list(argv)
 
1999
        self.retcode = retcode
 
2000
        self.encoding = encoding
 
2001
        self.stdin = stdin
 
2002
        self.working_dir = working_dir
 
2003
        return self.out, self.err
 
2004
 
 
2005
    def test_run_bzr_error(self):
 
2006
        self.out = "It sure does!\n"
 
2007
        out, err = self.run_bzr_error(['^$'], ['rocks'], retcode=34)
 
2008
        self.assertEqual(['rocks'], self.argv)
 
2009
        self.assertEqual(34, self.retcode)
 
2010
        self.assertEqual(out, 'It sure does!\n')
 
2011
 
 
2012
    def test_run_bzr_error_regexes(self):
 
2013
        self.out = ''
 
2014
        self.err = "bzr: ERROR: foobarbaz is not versioned"
 
2015
        out, err = self.run_bzr_error(
 
2016
                ["bzr: ERROR: foobarbaz is not versioned"],
 
2017
                ['file-id', 'foobarbaz'])
 
2018
 
 
2019
    def test_encoding(self):
 
2020
        """Test that run_bzr passes encoding to _run_bzr_core"""
 
2021
        self.run_bzr('foo bar')
 
2022
        self.assertEqual(None, self.encoding)
 
2023
        self.assertEqual(['foo', 'bar'], self.argv)
 
2024
 
 
2025
        self.run_bzr('foo bar', encoding='baz')
 
2026
        self.assertEqual('baz', self.encoding)
 
2027
        self.assertEqual(['foo', 'bar'], self.argv)
 
2028
 
 
2029
    def test_retcode(self):
 
2030
        """Test that run_bzr passes retcode to _run_bzr_core"""
 
2031
        # Default is retcode == 0
 
2032
        self.run_bzr('foo bar')
 
2033
        self.assertEqual(0, self.retcode)
 
2034
        self.assertEqual(['foo', 'bar'], self.argv)
 
2035
 
 
2036
        self.run_bzr('foo bar', retcode=1)
 
2037
        self.assertEqual(1, self.retcode)
 
2038
        self.assertEqual(['foo', 'bar'], self.argv)
 
2039
 
 
2040
        self.run_bzr('foo bar', retcode=None)
 
2041
        self.assertEqual(None, self.retcode)
 
2042
        self.assertEqual(['foo', 'bar'], self.argv)
 
2043
 
 
2044
        self.run_bzr(['foo', 'bar'], retcode=3)
 
2045
        self.assertEqual(3, self.retcode)
 
2046
        self.assertEqual(['foo', 'bar'], self.argv)
 
2047
 
 
2048
    def test_stdin(self):
 
2049
        # test that the stdin keyword to run_bzr is passed through to
 
2050
        # _run_bzr_core as-is. We do this by overriding
 
2051
        # _run_bzr_core in this class, and then calling run_bzr,
 
2052
        # which is a convenience function for _run_bzr_core, so
 
2053
        # should invoke it.
 
2054
        self.run_bzr('foo bar', stdin='gam')
 
2055
        self.assertEqual('gam', self.stdin)
 
2056
        self.assertEqual(['foo', 'bar'], self.argv)
 
2057
 
 
2058
        self.run_bzr('foo bar', stdin='zippy')
 
2059
        self.assertEqual('zippy', self.stdin)
 
2060
        self.assertEqual(['foo', 'bar'], self.argv)
 
2061
 
 
2062
    def test_working_dir(self):
 
2063
        """Test that run_bzr passes working_dir to _run_bzr_core"""
 
2064
        self.run_bzr('foo bar')
 
2065
        self.assertEqual(None, self.working_dir)
 
2066
        self.assertEqual(['foo', 'bar'], self.argv)
 
2067
 
 
2068
        self.run_bzr('foo bar', working_dir='baz')
 
2069
        self.assertEqual('baz', self.working_dir)
 
2070
        self.assertEqual(['foo', 'bar'], self.argv)
 
2071
 
 
2072
    def test_reject_extra_keyword_arguments(self):
 
2073
        self.assertRaises(TypeError, self.run_bzr, "foo bar",
 
2074
                          error_regex=['error message'])
 
2075
 
 
2076
 
 
2077
class TestRunBzrCaptured(tests.TestCaseWithTransport):
 
2078
    # Does IO when testing the working_dir parameter.
 
2079
 
 
2080
    def apply_redirected(self, stdin=None, stdout=None, stderr=None,
 
2081
                         a_callable=None, *args, **kwargs):
 
2082
        self.stdin = stdin
 
2083
        self.factory_stdin = getattr(bzrlib.ui.ui_factory, "stdin", None)
 
2084
        self.factory = bzrlib.ui.ui_factory
 
2085
        self.working_dir = osutils.getcwd()
 
2086
        stdout.write('foo\n')
 
2087
        stderr.write('bar\n')
 
2088
        return 0
 
2089
 
 
2090
    def test_stdin(self):
 
2091
        # test that the stdin keyword to _run_bzr_core is passed through to
 
2092
        # apply_redirected as a StringIO. We do this by overriding
 
2093
        # apply_redirected in this class, and then calling _run_bzr_core,
 
2094
        # which calls apply_redirected.
 
2095
        self.run_bzr(['foo', 'bar'], stdin='gam')
 
2096
        self.assertEqual('gam', self.stdin.read())
 
2097
        self.assertTrue(self.stdin is self.factory_stdin)
 
2098
        self.run_bzr(['foo', 'bar'], stdin='zippy')
 
2099
        self.assertEqual('zippy', self.stdin.read())
 
2100
        self.assertTrue(self.stdin is self.factory_stdin)
 
2101
 
 
2102
    def test_ui_factory(self):
 
2103
        # each invocation of self.run_bzr should get its
 
2104
        # own UI factory, which is an instance of TestUIFactory,
 
2105
        # with stdin, stdout and stderr attached to the stdin,
 
2106
        # stdout and stderr of the invoked run_bzr
 
2107
        current_factory = bzrlib.ui.ui_factory
 
2108
        self.run_bzr(['foo'])
 
2109
        self.failIf(current_factory is self.factory)
 
2110
        self.assertNotEqual(sys.stdout, self.factory.stdout)
 
2111
        self.assertNotEqual(sys.stderr, self.factory.stderr)
 
2112
        self.assertEqual('foo\n', self.factory.stdout.getvalue())
 
2113
        self.assertEqual('bar\n', self.factory.stderr.getvalue())
 
2114
        self.assertIsInstance(self.factory, tests.TestUIFactory)
 
2115
 
 
2116
    def test_working_dir(self):
 
2117
        self.build_tree(['one/', 'two/'])
 
2118
        cwd = osutils.getcwd()
 
2119
 
 
2120
        # Default is to work in the current directory
 
2121
        self.run_bzr(['foo', 'bar'])
 
2122
        self.assertEqual(cwd, self.working_dir)
 
2123
 
 
2124
        self.run_bzr(['foo', 'bar'], working_dir=None)
 
2125
        self.assertEqual(cwd, self.working_dir)
 
2126
 
 
2127
        # The function should be run in the alternative directory
 
2128
        # but afterwards the current working dir shouldn't be changed
 
2129
        self.run_bzr(['foo', 'bar'], working_dir='one')
 
2130
        self.assertNotEqual(cwd, self.working_dir)
 
2131
        self.assertEndsWith(self.working_dir, 'one')
 
2132
        self.assertEqual(cwd, osutils.getcwd())
 
2133
 
 
2134
        self.run_bzr(['foo', 'bar'], working_dir='two')
 
2135
        self.assertNotEqual(cwd, self.working_dir)
 
2136
        self.assertEndsWith(self.working_dir, 'two')
 
2137
        self.assertEqual(cwd, osutils.getcwd())
 
2138
 
 
2139
 
 
2140
class StubProcess(object):
 
2141
    """A stub process for testing run_bzr_subprocess."""
 
2142
    
 
2143
    def __init__(self, out="", err="", retcode=0):
 
2144
        self.out = out
 
2145
        self.err = err
 
2146
        self.returncode = retcode
 
2147
 
 
2148
    def communicate(self):
 
2149
        return self.out, self.err
 
2150
 
 
2151
 
 
2152
class TestWithFakedStartBzrSubprocess(tests.TestCaseWithTransport):
 
2153
    """Base class for tests testing how we might run bzr."""
 
2154
 
 
2155
    def setUp(self):
 
2156
        tests.TestCaseWithTransport.setUp(self)
 
2157
        self.subprocess_calls = []
 
2158
 
 
2159
    def start_bzr_subprocess(self, process_args, env_changes=None,
 
2160
                             skip_if_plan_to_signal=False,
 
2161
                             working_dir=None,
 
2162
                             allow_plugins=False):
 
2163
        """capture what run_bzr_subprocess tries to do."""
 
2164
        self.subprocess_calls.append({'process_args':process_args,
 
2165
            'env_changes':env_changes,
 
2166
            'skip_if_plan_to_signal':skip_if_plan_to_signal,
 
2167
            'working_dir':working_dir, 'allow_plugins':allow_plugins})
 
2168
        return self.next_subprocess
 
2169
 
 
2170
 
 
2171
class TestRunBzrSubprocess(TestWithFakedStartBzrSubprocess):
 
2172
 
 
2173
    def assertRunBzrSubprocess(self, expected_args, process, *args, **kwargs):
 
2174
        """Run run_bzr_subprocess with args and kwargs using a stubbed process.
 
2175
 
 
2176
        Inside TestRunBzrSubprocessCommands we use a stub start_bzr_subprocess
 
2177
        that will return static results. This assertion method populates those
 
2178
        results and also checks the arguments run_bzr_subprocess generates.
 
2179
        """
 
2180
        self.next_subprocess = process
 
2181
        try:
 
2182
            result = self.run_bzr_subprocess(*args, **kwargs)
 
2183
        except:
 
2184
            self.next_subprocess = None
 
2185
            for key, expected in expected_args.iteritems():
 
2186
                self.assertEqual(expected, self.subprocess_calls[-1][key])
 
2187
            raise
 
2188
        else:
 
2189
            self.next_subprocess = None
 
2190
            for key, expected in expected_args.iteritems():
 
2191
                self.assertEqual(expected, self.subprocess_calls[-1][key])
 
2192
            return result
 
2193
 
 
2194
    def test_run_bzr_subprocess(self):
 
2195
        """The run_bzr_helper_external command behaves nicely."""
 
2196
        self.assertRunBzrSubprocess({'process_args':['--version']},
 
2197
            StubProcess(), '--version')
 
2198
        self.assertRunBzrSubprocess({'process_args':['--version']},
 
2199
            StubProcess(), ['--version'])
 
2200
        # retcode=None disables retcode checking
 
2201
        result = self.assertRunBzrSubprocess({},
 
2202
            StubProcess(retcode=3), '--version', retcode=None)
 
2203
        result = self.assertRunBzrSubprocess({},
 
2204
            StubProcess(out="is free software"), '--version')
 
2205
        self.assertContainsRe(result[0], 'is free software')
 
2206
        # Running a subcommand that is missing errors
 
2207
        self.assertRaises(AssertionError, self.assertRunBzrSubprocess,
 
2208
            {'process_args':['--versionn']}, StubProcess(retcode=3),
 
2209
            '--versionn')
 
2210
        # Unless it is told to expect the error from the subprocess
 
2211
        result = self.assertRunBzrSubprocess({},
 
2212
            StubProcess(retcode=3), '--versionn', retcode=3)
 
2213
        # Or to ignore retcode checking
 
2214
        result = self.assertRunBzrSubprocess({},
 
2215
            StubProcess(err="unknown command", retcode=3), '--versionn',
 
2216
            retcode=None)
 
2217
        self.assertContainsRe(result[1], 'unknown command')
 
2218
 
 
2219
    def test_env_change_passes_through(self):
 
2220
        self.assertRunBzrSubprocess(
 
2221
            {'env_changes':{'new':'value', 'changed':'newvalue', 'deleted':None}},
 
2222
            StubProcess(), '',
 
2223
            env_changes={'new':'value', 'changed':'newvalue', 'deleted':None})
 
2224
 
 
2225
    def test_no_working_dir_passed_as_None(self):
 
2226
        self.assertRunBzrSubprocess({'working_dir': None}, StubProcess(), '')
 
2227
 
 
2228
    def test_no_working_dir_passed_through(self):
 
2229
        self.assertRunBzrSubprocess({'working_dir': 'dir'}, StubProcess(), '',
 
2230
            working_dir='dir')
 
2231
 
 
2232
    def test_run_bzr_subprocess_no_plugins(self):
 
2233
        self.assertRunBzrSubprocess({'allow_plugins': False},
 
2234
            StubProcess(), '')
 
2235
 
 
2236
    def test_allow_plugins(self):
 
2237
        self.assertRunBzrSubprocess({'allow_plugins': True},
 
2238
            StubProcess(), '', allow_plugins=True)
 
2239
 
 
2240
 
 
2241
class TestFinishBzrSubprocess(TestWithFakedStartBzrSubprocess):
 
2242
 
 
2243
    def test_finish_bzr_subprocess_with_error(self):
 
2244
        """finish_bzr_subprocess allows specification of the desired exit code.
 
2245
        """
 
2246
        process = StubProcess(err="unknown command", retcode=3)
 
2247
        result = self.finish_bzr_subprocess(process, retcode=3)
 
2248
        self.assertEqual('', result[0])
 
2249
        self.assertContainsRe(result[1], 'unknown command')
 
2250
 
 
2251
    def test_finish_bzr_subprocess_ignoring_retcode(self):
 
2252
        """finish_bzr_subprocess allows the exit code to be ignored."""
 
2253
        process = StubProcess(err="unknown command", retcode=3)
 
2254
        result = self.finish_bzr_subprocess(process, retcode=None)
 
2255
        self.assertEqual('', result[0])
 
2256
        self.assertContainsRe(result[1], 'unknown command')
 
2257
 
 
2258
    def test_finish_subprocess_with_unexpected_retcode(self):
 
2259
        """finish_bzr_subprocess raises self.failureException if the retcode is
 
2260
        not the expected one.
 
2261
        """
 
2262
        process = StubProcess(err="unknown command", retcode=3)
 
2263
        self.assertRaises(self.failureException, self.finish_bzr_subprocess,
 
2264
                          process)
 
2265
 
 
2266
 
 
2267
class _DontSpawnProcess(Exception):
 
2268
    """A simple exception which just allows us to skip unnecessary steps"""
 
2269
 
 
2270
 
 
2271
class TestStartBzrSubProcess(tests.TestCase):
 
2272
 
 
2273
    def check_popen_state(self):
 
2274
        """Replace to make assertions when popen is called."""
 
2275
 
 
2276
    def _popen(self, *args, **kwargs):
 
2277
        """Record the command that is run, so that we can ensure it is correct"""
 
2278
        self.check_popen_state()
 
2279
        self._popen_args = args
 
2280
        self._popen_kwargs = kwargs
 
2281
        raise _DontSpawnProcess()
 
2282
 
 
2283
    def test_run_bzr_subprocess_no_plugins(self):
 
2284
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [])
 
2285
        command = self._popen_args[0]
 
2286
        self.assertEqual(sys.executable, command[0])
 
2287
        self.assertEqual(self.get_bzr_path(), command[1])
 
2288
        self.assertEqual(['--no-plugins'], command[2:])
 
2289
 
 
2290
    def test_allow_plugins(self):
 
2291
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2292
            allow_plugins=True)
 
2293
        command = self._popen_args[0]
 
2294
        self.assertEqual([], command[2:])
 
2295
 
 
2296
    def test_set_env(self):
 
2297
        self.failIf('EXISTANT_ENV_VAR' in os.environ)
 
2298
        # set in the child
 
2299
        def check_environment():
 
2300
            self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
 
2301
        self.check_popen_state = check_environment
 
2302
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2303
            env_changes={'EXISTANT_ENV_VAR':'set variable'})
 
2304
        # not set in theparent
 
2305
        self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
 
2306
 
 
2307
    def test_run_bzr_subprocess_env_del(self):
 
2308
        """run_bzr_subprocess can remove environment variables too."""
 
2309
        self.failIf('EXISTANT_ENV_VAR' in os.environ)
 
2310
        def check_environment():
 
2311
            self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
 
2312
        os.environ['EXISTANT_ENV_VAR'] = 'set variable'
 
2313
        self.check_popen_state = check_environment
 
2314
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2315
            env_changes={'EXISTANT_ENV_VAR':None})
 
2316
        # Still set in parent
 
2317
        self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
 
2318
        del os.environ['EXISTANT_ENV_VAR']
 
2319
 
 
2320
    def test_env_del_missing(self):
 
2321
        self.failIf('NON_EXISTANT_ENV_VAR' in os.environ)
 
2322
        def check_environment():
 
2323
            self.assertFalse('NON_EXISTANT_ENV_VAR' in os.environ)
 
2324
        self.check_popen_state = check_environment
 
2325
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2326
            env_changes={'NON_EXISTANT_ENV_VAR':None})
 
2327
 
 
2328
    def test_working_dir(self):
 
2329
        """Test that we can specify the working dir for the child"""
 
2330
        orig_getcwd = osutils.getcwd
 
2331
        orig_chdir = os.chdir
 
2332
        chdirs = []
 
2333
        def chdir(path):
 
2334
            chdirs.append(path)
 
2335
        os.chdir = chdir
 
2336
        try:
 
2337
            def getcwd():
 
2338
                return 'current'
 
2339
            osutils.getcwd = getcwd
 
2340
            try:
 
2341
                self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2342
                    working_dir='foo')
 
2343
            finally:
 
2344
                osutils.getcwd = orig_getcwd
 
2345
        finally:
 
2346
            os.chdir = orig_chdir
 
2347
        self.assertEqual(['foo', 'current'], chdirs)
 
2348
 
 
2349
 
 
2350
class TestActuallyStartBzrSubprocess(tests.TestCaseWithTransport):
 
2351
    """Tests that really need to do things with an external bzr."""
 
2352
 
 
2353
    def test_start_and_stop_bzr_subprocess_send_signal(self):
 
2354
        """finish_bzr_subprocess raises self.failureException if the retcode is
 
2355
        not the expected one.
 
2356
        """
 
2357
        process = self.start_bzr_subprocess(['wait-until-signalled'],
 
2358
                                            skip_if_plan_to_signal=True)
 
2359
        self.assertEqual('running\n', process.stdout.readline())
 
2360
        result = self.finish_bzr_subprocess(process, send_signal=signal.SIGINT,
 
2361
                                            retcode=3)
 
2362
        self.assertEqual('', result[0])
 
2363
        self.assertEqual('bzr: interrupted\n', result[1])
 
2364
 
 
2365
 
 
2366
class TestKnownFailure(tests.TestCase):
 
2367
 
 
2368
    def test_known_failure(self):
 
2369
        """Check that KnownFailure is defined appropriately."""
 
2370
        # a KnownFailure is an assertion error for compatability with unaware
 
2371
        # runners.
 
2372
        self.assertIsInstance(tests.KnownFailure(""), AssertionError)
 
2373
 
 
2374
    def test_expect_failure(self):
 
2375
        try:
 
2376
            self.expectFailure("Doomed to failure", self.assertTrue, False)
 
2377
        except tests.KnownFailure, e:
 
2378
            self.assertEqual('Doomed to failure', e.args[0])
 
2379
        try:
 
2380
            self.expectFailure("Doomed to failure", self.assertTrue, True)
 
2381
        except AssertionError, e:
 
2382
            self.assertEqual('Unexpected success.  Should have failed:'
 
2383
                             ' Doomed to failure', e.args[0])
 
2384
        else:
 
2385
            self.fail('Assertion not raised')
 
2386
 
 
2387
 
 
2388
class TestFeature(tests.TestCase):
 
2389
 
 
2390
    def test_caching(self):
 
2391
        """Feature._probe is called by the feature at most once."""
 
2392
        class InstrumentedFeature(tests.Feature):
 
2393
            def __init__(self):
 
2394
                super(InstrumentedFeature, self).__init__()
 
2395
                self.calls = []
 
2396
            def _probe(self):
 
2397
                self.calls.append('_probe')
 
2398
                return False
 
2399
        feature = InstrumentedFeature()
 
2400
        feature.available()
 
2401
        self.assertEqual(['_probe'], feature.calls)
 
2402
        feature.available()
 
2403
        self.assertEqual(['_probe'], feature.calls)
 
2404
 
 
2405
    def test_named_str(self):
 
2406
        """Feature.__str__ should thunk to feature_name()."""
 
2407
        class NamedFeature(tests.Feature):
 
2408
            def feature_name(self):
 
2409
                return 'symlinks'
 
2410
        feature = NamedFeature()
 
2411
        self.assertEqual('symlinks', str(feature))
 
2412
 
 
2413
    def test_default_str(self):
 
2414
        """Feature.__str__ should default to __class__.__name__."""
 
2415
        class NamedFeature(tests.Feature):
 
2416
            pass
 
2417
        feature = NamedFeature()
 
2418
        self.assertEqual('NamedFeature', str(feature))
 
2419
 
 
2420
 
 
2421
class TestUnavailableFeature(tests.TestCase):
 
2422
 
 
2423
    def test_access_feature(self):
 
2424
        feature = tests.Feature()
 
2425
        exception = tests.UnavailableFeature(feature)
 
2426
        self.assertIs(feature, exception.args[0])
 
2427
 
 
2428
 
 
2429
class TestSelftestFiltering(tests.TestCase):
 
2430
 
 
2431
    def setUp(self):
 
2432
        tests.TestCase.setUp(self)
 
2433
        self.suite = TestUtil.TestSuite()
 
2434
        self.loader = TestUtil.TestLoader()
 
2435
        self.suite.addTest(self.loader.loadTestsFromModule(
 
2436
            sys.modules['bzrlib.tests.test_selftest']))
 
2437
        self.all_names = _test_ids(self.suite)
 
2438
 
 
2439
    def test_condition_id_re(self):
 
2440
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2441
            'test_condition_id_re')
 
2442
        filtered_suite = tests.filter_suite_by_condition(
 
2443
            self.suite, tests.condition_id_re('test_condition_id_re'))
 
2444
        self.assertEqual([test_name], _test_ids(filtered_suite))
 
2445
 
 
2446
    def test_condition_id_in_list(self):
 
2447
        test_names = ['bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2448
                      'test_condition_id_in_list']
 
2449
        id_list = tests.TestIdList(test_names)
 
2450
        filtered_suite = tests.filter_suite_by_condition(
 
2451
            self.suite, tests.condition_id_in_list(id_list))
 
2452
        my_pattern = 'TestSelftestFiltering.*test_condition_id_in_list'
 
2453
        re_filtered = tests.filter_suite_by_re(self.suite, my_pattern)
 
2454
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
 
2455
 
 
2456
    def test_condition_id_startswith(self):
 
2457
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2458
        start1 = klass + 'test_condition_id_starts'
 
2459
        start2 = klass + 'test_condition_id_in'
 
2460
        test_names = [ klass + 'test_condition_id_in_list',
 
2461
                      klass + 'test_condition_id_startswith',
 
2462
                     ]
 
2463
        filtered_suite = tests.filter_suite_by_condition(
 
2464
            self.suite, tests.condition_id_startswith([start1, start2]))
 
2465
        self.assertEqual(test_names, _test_ids(filtered_suite))
 
2466
 
 
2467
    def test_condition_isinstance(self):
 
2468
        filtered_suite = tests.filter_suite_by_condition(
 
2469
            self.suite, tests.condition_isinstance(self.__class__))
 
2470
        class_pattern = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2471
        re_filtered = tests.filter_suite_by_re(self.suite, class_pattern)
 
2472
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
 
2473
 
 
2474
    def test_exclude_tests_by_condition(self):
 
2475
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2476
            'test_exclude_tests_by_condition')
 
2477
        filtered_suite = tests.exclude_tests_by_condition(self.suite,
 
2478
            lambda x:x.id() == excluded_name)
 
2479
        self.assertEqual(len(self.all_names) - 1,
 
2480
            filtered_suite.countTestCases())
 
2481
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
 
2482
        remaining_names = list(self.all_names)
 
2483
        remaining_names.remove(excluded_name)
 
2484
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
 
2485
 
 
2486
    def test_exclude_tests_by_re(self):
 
2487
        self.all_names = _test_ids(self.suite)
 
2488
        filtered_suite = tests.exclude_tests_by_re(self.suite,
 
2489
                                                   'exclude_tests_by_re')
 
2490
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2491
            'test_exclude_tests_by_re')
 
2492
        self.assertEqual(len(self.all_names) - 1,
 
2493
            filtered_suite.countTestCases())
 
2494
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
 
2495
        remaining_names = list(self.all_names)
 
2496
        remaining_names.remove(excluded_name)
 
2497
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
 
2498
 
 
2499
    def test_filter_suite_by_condition(self):
 
2500
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2501
            'test_filter_suite_by_condition')
 
2502
        filtered_suite = tests.filter_suite_by_condition(self.suite,
 
2503
            lambda x:x.id() == test_name)
 
2504
        self.assertEqual([test_name], _test_ids(filtered_suite))
 
2505
 
 
2506
    def test_filter_suite_by_re(self):
 
2507
        filtered_suite = tests.filter_suite_by_re(self.suite,
 
2508
                                                  'test_filter_suite_by_r')
 
2509
        filtered_names = _test_ids(filtered_suite)
 
2510
        self.assertEqual(filtered_names, ['bzrlib.tests.test_selftest.'
 
2511
            'TestSelftestFiltering.test_filter_suite_by_re'])
 
2512
 
 
2513
    def test_filter_suite_by_id_list(self):
 
2514
        test_list = ['bzrlib.tests.test_selftest.'
 
2515
                     'TestSelftestFiltering.test_filter_suite_by_id_list']
 
2516
        filtered_suite = tests.filter_suite_by_id_list(
 
2517
            self.suite, tests.TestIdList(test_list))
 
2518
        filtered_names = _test_ids(filtered_suite)
 
2519
        self.assertEqual(
 
2520
            filtered_names,
 
2521
            ['bzrlib.tests.test_selftest.'
 
2522
             'TestSelftestFiltering.test_filter_suite_by_id_list'])
 
2523
 
 
2524
    def test_filter_suite_by_id_startswith(self):
 
2525
        # By design this test may fail if another test is added whose name also
 
2526
        # begins with one of the start value used.
 
2527
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2528
        start1 = klass + 'test_filter_suite_by_id_starts'
 
2529
        start2 = klass + 'test_filter_suite_by_id_li'
 
2530
        test_list = [klass + 'test_filter_suite_by_id_list',
 
2531
                     klass + 'test_filter_suite_by_id_startswith',
 
2532
                     ]
 
2533
        filtered_suite = tests.filter_suite_by_id_startswith(
 
2534
            self.suite, [start1, start2])
 
2535
        self.assertEqual(
 
2536
            test_list,
 
2537
            _test_ids(filtered_suite),
 
2538
            )
 
2539
 
 
2540
    def test_preserve_input(self):
 
2541
        # NB: Surely this is something in the stdlib to do this?
 
2542
        self.assertTrue(self.suite is tests.preserve_input(self.suite))
 
2543
        self.assertTrue("@#$" is tests.preserve_input("@#$"))
 
2544
 
 
2545
    def test_randomize_suite(self):
 
2546
        randomized_suite = tests.randomize_suite(self.suite)
 
2547
        # randomizing should not add or remove test names.
 
2548
        self.assertEqual(set(_test_ids(self.suite)),
 
2549
                         set(_test_ids(randomized_suite)))
 
2550
        # Technically, this *can* fail, because random.shuffle(list) can be
 
2551
        # equal to list. Trying multiple times just pushes the frequency back.
 
2552
        # As its len(self.all_names)!:1, the failure frequency should be low
 
2553
        # enough to ignore. RBC 20071021.
 
2554
        # It should change the order.
 
2555
        self.assertNotEqual(self.all_names, _test_ids(randomized_suite))
 
2556
        # But not the length. (Possibly redundant with the set test, but not
 
2557
        # necessarily.)
 
2558
        self.assertEqual(len(self.all_names), len(_test_ids(randomized_suite)))
 
2559
 
 
2560
    def test_split_suit_by_condition(self):
 
2561
        self.all_names = _test_ids(self.suite)
 
2562
        condition = tests.condition_id_re('test_filter_suite_by_r')
 
2563
        split_suite = tests.split_suite_by_condition(self.suite, condition)
 
2564
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2565
            'test_filter_suite_by_re')
 
2566
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
 
2567
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
 
2568
        remaining_names = list(self.all_names)
 
2569
        remaining_names.remove(filtered_name)
 
2570
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
 
2571
 
 
2572
    def test_split_suit_by_re(self):
 
2573
        self.all_names = _test_ids(self.suite)
 
2574
        split_suite = tests.split_suite_by_re(self.suite,
 
2575
                                              'test_filter_suite_by_r')
 
2576
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2577
            'test_filter_suite_by_re')
 
2578
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
 
2579
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
 
2580
        remaining_names = list(self.all_names)
 
2581
        remaining_names.remove(filtered_name)
 
2582
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
 
2583
 
 
2584
 
 
2585
class TestCheckInventoryShape(tests.TestCaseWithTransport):
 
2586
 
 
2587
    def test_check_inventory_shape(self):
 
2588
        files = ['a', 'b/', 'b/c']
 
2589
        tree = self.make_branch_and_tree('.')
 
2590
        self.build_tree(files)
 
2591
        tree.add(files)
 
2592
        tree.lock_read()
 
2593
        try:
 
2594
            self.check_inventory_shape(tree.inventory, files)
 
2595
        finally:
 
2596
            tree.unlock()
 
2597
 
 
2598
 
 
2599
class TestBlackboxSupport(tests.TestCase):
 
2600
    """Tests for testsuite blackbox features."""
 
2601
 
 
2602
    def test_run_bzr_failure_not_caught(self):
 
2603
        # When we run bzr in blackbox mode, we want any unexpected errors to
 
2604
        # propagate up to the test suite so that it can show the error in the
 
2605
        # usual way, and we won't get a double traceback.
 
2606
        e = self.assertRaises(
 
2607
            AssertionError,
 
2608
            self.run_bzr, ['assert-fail'])
 
2609
        # make sure we got the real thing, not an error from somewhere else in
 
2610
        # the test framework
 
2611
        self.assertEquals('always fails', str(e))
 
2612
        # check that there's no traceback in the test log
 
2613
        self.assertNotContainsRe(self._get_log(keep_log_file=True),
 
2614
            r'Traceback')
 
2615
 
 
2616
    def test_run_bzr_user_error_caught(self):
 
2617
        # Running bzr in blackbox mode, normal/expected/user errors should be
 
2618
        # caught in the regular way and turned into an error message plus exit
 
2619
        # code.
 
2620
        out, err = self.run_bzr(["log", "/nonexistantpath"], retcode=3)
 
2621
        self.assertEqual(out, '')
 
2622
        self.assertContainsRe(err,
 
2623
            'bzr: ERROR: Not a branch: ".*nonexistantpath/".\n')
 
2624
 
 
2625
 
 
2626
class TestTestLoader(tests.TestCase):
 
2627
    """Tests for the test loader."""
 
2628
 
 
2629
    def _get_loader_and_module(self):
 
2630
        """Gets a TestLoader and a module with one test in it."""
 
2631
        loader = TestUtil.TestLoader()
 
2632
        module = {}
 
2633
        class Stub(tests.TestCase):
 
2634
            def test_foo(self):
 
2635
                pass
 
2636
        class MyModule(object):
 
2637
            pass
 
2638
        MyModule.a_class = Stub
 
2639
        module = MyModule()
 
2640
        return loader, module
 
2641
 
 
2642
    def test_module_no_load_tests_attribute_loads_classes(self):
 
2643
        loader, module = self._get_loader_and_module()
 
2644
        self.assertEqual(1, loader.loadTestsFromModule(module).countTestCases())
 
2645
 
 
2646
    def test_module_load_tests_attribute_gets_called(self):
 
2647
        loader, module = self._get_loader_and_module()
 
2648
        # 'self' is here because we're faking the module with a class. Regular
 
2649
        # load_tests do not need that :)
 
2650
        def load_tests(self, standard_tests, module, loader):
 
2651
            result = loader.suiteClass()
 
2652
            for test in tests.iter_suite_tests(standard_tests):
 
2653
                result.addTests([test, test])
 
2654
            return result
 
2655
        # add a load_tests() method which multiplies the tests from the module.
 
2656
        module.__class__.load_tests = load_tests
 
2657
        self.assertEqual(2, loader.loadTestsFromModule(module).countTestCases())
 
2658
 
 
2659
    def test_load_tests_from_module_name_smoke_test(self):
 
2660
        loader = TestUtil.TestLoader()
 
2661
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2662
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
 
2663
                          _test_ids(suite))
 
2664
 
 
2665
    def test_load_tests_from_module_name_with_bogus_module_name(self):
 
2666
        loader = TestUtil.TestLoader()
 
2667
        self.assertRaises(ImportError, loader.loadTestsFromModuleName, 'bogus')
 
2668
 
 
2669
 
 
2670
class TestTestIdList(tests.TestCase):
 
2671
 
 
2672
    def _create_id_list(self, test_list):
 
2673
        return tests.TestIdList(test_list)
 
2674
 
 
2675
    def _create_suite(self, test_id_list):
 
2676
 
 
2677
        class Stub(tests.TestCase):
 
2678
            def test_foo(self):
 
2679
                pass
 
2680
 
 
2681
        def _create_test_id(id):
 
2682
            return lambda: id
 
2683
 
 
2684
        suite = TestUtil.TestSuite()
 
2685
        for id in test_id_list:
 
2686
            t  = Stub('test_foo')
 
2687
            t.id = _create_test_id(id)
 
2688
            suite.addTest(t)
 
2689
        return suite
 
2690
 
 
2691
    def _test_ids(self, test_suite):
 
2692
        """Get the ids for the tests in a test suite."""
 
2693
        return [t.id() for t in tests.iter_suite_tests(test_suite)]
 
2694
 
 
2695
    def test_empty_list(self):
 
2696
        id_list = self._create_id_list([])
 
2697
        self.assertEquals({}, id_list.tests)
 
2698
        self.assertEquals({}, id_list.modules)
 
2699
 
 
2700
    def test_valid_list(self):
 
2701
        id_list = self._create_id_list(
 
2702
            ['mod1.cl1.meth1', 'mod1.cl1.meth2',
 
2703
             'mod1.func1', 'mod1.cl2.meth2',
 
2704
             'mod1.submod1',
 
2705
             'mod1.submod2.cl1.meth1', 'mod1.submod2.cl2.meth2',
 
2706
             ])
 
2707
        self.assertTrue(id_list.refers_to('mod1'))
 
2708
        self.assertTrue(id_list.refers_to('mod1.submod1'))
 
2709
        self.assertTrue(id_list.refers_to('mod1.submod2'))
 
2710
        self.assertTrue(id_list.includes('mod1.cl1.meth1'))
 
2711
        self.assertTrue(id_list.includes('mod1.submod1'))
 
2712
        self.assertTrue(id_list.includes('mod1.func1'))
 
2713
 
 
2714
    def test_bad_chars_in_params(self):
 
2715
        id_list = self._create_id_list(['mod1.cl1.meth1(xx.yy)'])
 
2716
        self.assertTrue(id_list.refers_to('mod1'))
 
2717
        self.assertTrue(id_list.includes('mod1.cl1.meth1(xx.yy)'))
 
2718
 
 
2719
    def test_module_used(self):
 
2720
        id_list = self._create_id_list(['mod.class.meth'])
 
2721
        self.assertTrue(id_list.refers_to('mod'))
 
2722
        self.assertTrue(id_list.refers_to('mod.class'))
 
2723
        self.assertTrue(id_list.refers_to('mod.class.meth'))
 
2724
 
 
2725
    def test_test_suite_matches_id_list_with_unknown(self):
 
2726
        loader = TestUtil.TestLoader()
 
2727
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2728
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',
 
2729
                     'bogus']
 
2730
        not_found, duplicates = tests.suite_matches_id_list(suite, test_list)
 
2731
        self.assertEquals(['bogus'], not_found)
 
2732
        self.assertEquals([], duplicates)
 
2733
 
 
2734
    def test_suite_matches_id_list_with_duplicates(self):
 
2735
        loader = TestUtil.TestLoader()
 
2736
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2737
        dupes = loader.suiteClass()
 
2738
        for test in tests.iter_suite_tests(suite):
 
2739
            dupes.addTest(test)
 
2740
            dupes.addTest(test) # Add it again
 
2741
 
 
2742
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',]
 
2743
        not_found, duplicates = tests.suite_matches_id_list(
 
2744
            dupes, test_list)
 
2745
        self.assertEquals([], not_found)
 
2746
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
 
2747
                          duplicates)
 
2748
 
 
2749
 
 
2750
class TestTestSuite(tests.TestCase):
 
2751
 
 
2752
    def test__test_suite_testmod_names(self):
 
2753
        # Test that a plausible list of test module names are returned
 
2754
        # by _test_suite_testmod_names.
 
2755
        test_list = tests._test_suite_testmod_names()
 
2756
        self.assertSubset([
 
2757
            'bzrlib.tests.blackbox',
 
2758
            'bzrlib.tests.per_transport',
 
2759
            'bzrlib.tests.test_selftest',
 
2760
            ],
 
2761
            test_list)
 
2762
 
 
2763
    def test__test_suite_modules_to_doctest(self):
 
2764
        # Test that a plausible list of modules to doctest is returned
 
2765
        # by _test_suite_modules_to_doctest.
 
2766
        test_list = tests._test_suite_modules_to_doctest()
 
2767
        self.assertSubset([
 
2768
            'bzrlib.timestamp',
 
2769
            ],
 
2770
            test_list)
 
2771
 
 
2772
    def test_test_suite(self):
 
2773
        # test_suite() loads the entire test suite to operate. To avoid this
 
2774
        # overhead, and yet still be confident that things are happening,
 
2775
        # we temporarily replace two functions used by test_suite with 
 
2776
        # test doubles that supply a few sample tests to load, and check they
 
2777
        # are loaded.
 
2778
        calls = []
 
2779
        def _test_suite_testmod_names():
 
2780
            calls.append("testmod_names")
 
2781
            return [
 
2782
                'bzrlib.tests.blackbox.test_branch',
 
2783
                'bzrlib.tests.per_transport',
 
2784
                'bzrlib.tests.test_selftest',
 
2785
                ]
 
2786
        original_testmod_names = tests._test_suite_testmod_names
 
2787
        def _test_suite_modules_to_doctest():
 
2788
            calls.append("modules_to_doctest")
 
2789
            return ['bzrlib.timestamp']
 
2790
        orig_modules_to_doctest = tests._test_suite_modules_to_doctest
 
2791
        def restore_names():
 
2792
            tests._test_suite_testmod_names = original_testmod_names
 
2793
            tests._test_suite_modules_to_doctest = orig_modules_to_doctest
 
2794
        self.addCleanup(restore_names)
 
2795
        tests._test_suite_testmod_names = _test_suite_testmod_names
 
2796
        tests._test_suite_modules_to_doctest = _test_suite_modules_to_doctest
 
2797
        expected_test_list = [
 
2798
            # testmod_names
 
2799
            'bzrlib.tests.blackbox.test_branch.TestBranch.test_branch',
 
2800
            ('bzrlib.tests.per_transport.TransportTests'
 
2801
             '.test_abspath(LocalURLServer)'),
 
2802
            'bzrlib.tests.test_selftest.TestTestSuite.test_test_suite',
 
2803
            # modules_to_doctest
 
2804
            'bzrlib.timestamp.format_highres_date',
 
2805
            # plugins can't be tested that way since selftest may be run with
 
2806
            # --no-plugins
 
2807
            ]
 
2808
        suite = tests.test_suite()
 
2809
        self.assertEqual(set(["testmod_names", "modules_to_doctest"]),
 
2810
            set(calls))
 
2811
        self.assertSubset(expected_test_list, _test_ids(suite))
 
2812
 
 
2813
    def test_test_suite_list_and_start(self):
 
2814
        # We cannot test this at the same time as the main load, because we want
 
2815
        # to know that starting_with == None works. So a second load is
 
2816
        # incurred - note that the starting_with parameter causes a partial load
 
2817
        # rather than a full load so this test should be pretty quick.
 
2818
        test_list = ['bzrlib.tests.test_selftest.TestTestSuite.test_test_suite']
 
2819
        suite = tests.test_suite(test_list,
 
2820
                                 ['bzrlib.tests.test_selftest.TestTestSuite'])
 
2821
        # test_test_suite_list_and_start is not included 
 
2822
        self.assertEquals(test_list, _test_ids(suite))
 
2823
 
 
2824
 
 
2825
class TestLoadTestIdList(tests.TestCaseInTempDir):
 
2826
 
 
2827
    def _create_test_list_file(self, file_name, content):
 
2828
        fl = open(file_name, 'wt')
 
2829
        fl.write(content)
 
2830
        fl.close()
 
2831
 
 
2832
    def test_load_unknown(self):
 
2833
        self.assertRaises(errors.NoSuchFile,
 
2834
                          tests.load_test_id_list, 'i_do_not_exist')
 
2835
 
 
2836
    def test_load_test_list(self):
 
2837
        test_list_fname = 'test.list'
 
2838
        self._create_test_list_file(test_list_fname,
 
2839
                                    'mod1.cl1.meth1\nmod2.cl2.meth2\n')
 
2840
        tlist = tests.load_test_id_list(test_list_fname)
 
2841
        self.assertEquals(2, len(tlist))
 
2842
        self.assertEquals('mod1.cl1.meth1', tlist[0])
 
2843
        self.assertEquals('mod2.cl2.meth2', tlist[1])
 
2844
 
 
2845
    def test_load_dirty_file(self):
 
2846
        test_list_fname = 'test.list'
 
2847
        self._create_test_list_file(test_list_fname,
 
2848
                                    '  mod1.cl1.meth1\n\nmod2.cl2.meth2  \n'
 
2849
                                    'bar baz\n')
 
2850
        tlist = tests.load_test_id_list(test_list_fname)
 
2851
        self.assertEquals(4, len(tlist))
 
2852
        self.assertEquals('mod1.cl1.meth1', tlist[0])
 
2853
        self.assertEquals('', tlist[1])
 
2854
        self.assertEquals('mod2.cl2.meth2', tlist[2])
 
2855
        self.assertEquals('bar baz', tlist[3])
 
2856
 
 
2857
 
 
2858
class TestFilteredByModuleTestLoader(tests.TestCase):
 
2859
 
 
2860
    def _create_loader(self, test_list):
 
2861
        id_filter = tests.TestIdList(test_list)
 
2862
        loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
 
2863
        return loader
 
2864
 
 
2865
    def test_load_tests(self):
 
2866
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
 
2867
        loader = self._create_loader(test_list)
 
2868
 
 
2869
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2870
        self.assertEquals(test_list, _test_ids(suite))
 
2871
 
 
2872
    def test_exclude_tests(self):
 
2873
        test_list = ['bogus']
 
2874
        loader = self._create_loader(test_list)
 
2875
 
 
2876
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2877
        self.assertEquals([], _test_ids(suite))
 
2878
 
 
2879
 
 
2880
class TestFilteredByNameStartTestLoader(tests.TestCase):
 
2881
 
 
2882
    def _create_loader(self, name_start):
 
2883
        def needs_module(name):
 
2884
            return name.startswith(name_start) or name_start.startswith(name)
 
2885
        loader = TestUtil.FilteredByModuleTestLoader(needs_module)
 
2886
        return loader
 
2887
 
 
2888
    def test_load_tests(self):
 
2889
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
 
2890
        loader = self._create_loader('bzrlib.tests.test_samp')
 
2891
 
 
2892
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2893
        self.assertEquals(test_list, _test_ids(suite))
 
2894
 
 
2895
    def test_load_tests_inside_module(self):
 
2896
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
 
2897
        loader = self._create_loader('bzrlib.tests.test_sampler.Demo')
 
2898
 
 
2899
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2900
        self.assertEquals(test_list, _test_ids(suite))
 
2901
 
 
2902
    def test_exclude_tests(self):
 
2903
        test_list = ['bogus']
 
2904
        loader = self._create_loader('bogus')
 
2905
 
 
2906
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2907
        self.assertEquals([], _test_ids(suite))
 
2908
 
 
2909
 
 
2910
class TestTestPrefixRegistry(tests.TestCase):
 
2911
 
 
2912
    def _get_registry(self):
 
2913
        tp_registry = tests.TestPrefixAliasRegistry()
 
2914
        return tp_registry
 
2915
 
 
2916
    def test_register_new_prefix(self):
 
2917
        tpr = self._get_registry()
 
2918
        tpr.register('foo', 'fff.ooo.ooo')
 
2919
        self.assertEquals('fff.ooo.ooo', tpr.get('foo'))
 
2920
 
 
2921
    def test_register_existing_prefix(self):
 
2922
        tpr = self._get_registry()
 
2923
        tpr.register('bar', 'bbb.aaa.rrr')
 
2924
        tpr.register('bar', 'bBB.aAA.rRR')
 
2925
        self.assertEquals('bbb.aaa.rrr', tpr.get('bar'))
 
2926
        self.assertContainsRe(self._get_log(keep_log_file=True),
 
2927
                              r'.*bar.*bbb.aaa.rrr.*bBB.aAA.rRR')
 
2928
 
 
2929
    def test_get_unknown_prefix(self):
 
2930
        tpr = self._get_registry()
 
2931
        self.assertRaises(KeyError, tpr.get, 'I am not a prefix')
 
2932
 
 
2933
    def test_resolve_prefix(self):
 
2934
        tpr = self._get_registry()
 
2935
        tpr.register('bar', 'bb.aa.rr')
 
2936
        self.assertEquals('bb.aa.rr', tpr.resolve_alias('bar'))
 
2937
 
 
2938
    def test_resolve_unknown_alias(self):
 
2939
        tpr = self._get_registry()
 
2940
        self.assertRaises(errors.BzrCommandError,
 
2941
                          tpr.resolve_alias, 'I am not a prefix')
 
2942
 
 
2943
    def test_predefined_prefixes(self):
 
2944
        tpr = tests.test_prefix_alias_registry
 
2945
        self.assertEquals('bzrlib', tpr.resolve_alias('bzrlib'))
 
2946
        self.assertEquals('bzrlib.doc', tpr.resolve_alias('bd'))
 
2947
        self.assertEquals('bzrlib.utils', tpr.resolve_alias('bu'))
 
2948
        self.assertEquals('bzrlib.tests', tpr.resolve_alias('bt'))
 
2949
        self.assertEquals('bzrlib.tests.blackbox', tpr.resolve_alias('bb'))
 
2950
        self.assertEquals('bzrlib.plugins', tpr.resolve_alias('bp'))
 
2951
 
 
2952
 
 
2953
class TestRunSuite(tests.TestCase):
 
2954
 
 
2955
    def test_runner_class(self):
 
2956
        """run_suite accepts and uses a runner_class keyword argument."""
 
2957
        class Stub(tests.TestCase):
 
2958
            def test_foo(self):
 
2959
                pass
 
2960
        suite = Stub("test_foo")
 
2961
        calls = []
 
2962
        class MyRunner(tests.TextTestRunner):
 
2963
            def run(self, test):
 
2964
                calls.append(test)
 
2965
                return tests.ExtendedTestResult(self.stream, self.descriptions,
 
2966
                                                self.verbosity)
 
2967
        tests.run_suite(suite, runner_class=MyRunner, stream=StringIO())
 
2968
        self.assertLength(1, calls)