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  • Committer: thitipong at ndrsolution
  • Date: 2011-11-14 06:31:02 UTC
  • Revision ID: thitipong@ndrsolution.com-20111114063102-9obte3yfi2azku7d
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1
# Copyright (C) 2005-2010 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
from doctest import ELLIPSIS
 
21
import os
 
22
import signal
 
23
import sys
 
24
import time
 
25
import unittest
 
26
import warnings
 
27
 
 
28
from testtools import MultiTestResult
 
29
from testtools.content import Content
 
30
from testtools.content_type import ContentType
 
31
from testtools.matchers import (
 
32
    DocTestMatches,
 
33
    Equals,
 
34
    )
 
35
import testtools.tests.helpers
 
36
 
 
37
import bzrlib
 
38
from bzrlib import (
 
39
    branchbuilder,
 
40
    bzrdir,
 
41
    debug,
 
42
    errors,
 
43
    lockdir,
 
44
    memorytree,
 
45
    osutils,
 
46
    remote,
 
47
    repository,
 
48
    symbol_versioning,
 
49
    tests,
 
50
    transport,
 
51
    workingtree,
 
52
    )
 
53
from bzrlib.repofmt import (
 
54
    groupcompress_repo,
 
55
    pack_repo,
 
56
    weaverepo,
 
57
    )
 
58
from bzrlib.symbol_versioning import (
 
59
    deprecated_function,
 
60
    deprecated_in,
 
61
    deprecated_method,
 
62
    )
 
63
from bzrlib.tests import (
 
64
    features,
 
65
    test_lsprof,
 
66
    test_server,
 
67
    test_sftp_transport,
 
68
    TestUtil,
 
69
    )
 
70
from bzrlib.trace import note
 
71
from bzrlib.transport import memory
 
72
from bzrlib.version import _get_bzr_source_tree
 
73
 
 
74
 
 
75
def _test_ids(test_suite):
 
76
    """Get the ids for the tests in a test suite."""
 
77
    return [t.id() for t in tests.iter_suite_tests(test_suite)]
 
78
 
 
79
 
 
80
class SelftestTests(tests.TestCase):
 
81
 
 
82
    def test_import_tests(self):
 
83
        mod = TestUtil._load_module_by_name('bzrlib.tests.test_selftest')
 
84
        self.assertEqual(mod.SelftestTests, SelftestTests)
 
85
 
 
86
    def test_import_test_failure(self):
 
87
        self.assertRaises(ImportError,
 
88
                          TestUtil._load_module_by_name,
 
89
                          'bzrlib.no-name-yet')
 
90
 
 
91
 
 
92
class MetaTestLog(tests.TestCase):
 
93
 
 
94
    def test_logging(self):
 
95
        """Test logs are captured when a test fails."""
 
96
        self.log('a test message')
 
97
        details = self.getDetails()
 
98
        log = details['log']
 
99
        self.assertThat(log.content_type, Equals(ContentType(
 
100
            "text", "plain", {"charset": "utf8"})))
 
101
        self.assertThat(u"".join(log.iter_text()), Equals(self.get_log()))
 
102
        self.assertThat(self.get_log(),
 
103
            DocTestMatches(u"...a test message\n", ELLIPSIS))
 
104
 
 
105
 
 
106
class TestUnicodeFilename(tests.TestCase):
 
107
 
 
108
    def test_probe_passes(self):
 
109
        """UnicodeFilename._probe passes."""
 
110
        # We can't test much more than that because the behaviour depends
 
111
        # on the platform.
 
112
        tests.UnicodeFilename._probe()
 
113
 
 
114
 
 
115
class TestTreeShape(tests.TestCaseInTempDir):
 
116
 
 
117
    def test_unicode_paths(self):
 
118
        self.requireFeature(tests.UnicodeFilename)
 
119
 
 
120
        filename = u'hell\u00d8'
 
121
        self.build_tree_contents([(filename, 'contents of hello')])
 
122
        self.failUnlessExists(filename)
 
123
 
 
124
 
 
125
class TestTransportScenarios(tests.TestCase):
 
126
    """A group of tests that test the transport implementation adaption core.
 
127
 
 
128
    This is a meta test that the tests are applied to all available
 
129
    transports.
 
130
 
 
131
    This will be generalised in the future which is why it is in this
 
132
    test file even though it is specific to transport tests at the moment.
 
133
    """
 
134
 
 
135
    def test_get_transport_permutations(self):
 
136
        # this checks that get_test_permutations defined by the module is
 
137
        # called by the get_transport_test_permutations function.
 
138
        class MockModule(object):
 
139
            def get_test_permutations(self):
 
140
                return sample_permutation
 
141
        sample_permutation = [(1,2), (3,4)]
 
142
        from bzrlib.tests.per_transport import get_transport_test_permutations
 
143
        self.assertEqual(sample_permutation,
 
144
                         get_transport_test_permutations(MockModule()))
 
145
 
 
146
    def test_scenarios_include_all_modules(self):
 
147
        # this checks that the scenario generator returns as many permutations
 
148
        # as there are in all the registered transport modules - we assume if
 
149
        # this matches its probably doing the right thing especially in
 
150
        # combination with the tests for setting the right classes below.
 
151
        from bzrlib.tests.per_transport import transport_test_permutations
 
152
        from bzrlib.transport import _get_transport_modules
 
153
        modules = _get_transport_modules()
 
154
        permutation_count = 0
 
155
        for module in modules:
 
156
            try:
 
157
                permutation_count += len(reduce(getattr,
 
158
                    (module + ".get_test_permutations").split('.')[1:],
 
159
                     __import__(module))())
 
160
            except errors.DependencyNotPresent:
 
161
                pass
 
162
        scenarios = transport_test_permutations()
 
163
        self.assertEqual(permutation_count, len(scenarios))
 
164
 
 
165
    def test_scenarios_include_transport_class(self):
 
166
        # This test used to know about all the possible transports and the
 
167
        # order they were returned but that seems overly brittle (mbp
 
168
        # 20060307)
 
169
        from bzrlib.tests.per_transport import transport_test_permutations
 
170
        scenarios = transport_test_permutations()
 
171
        # there are at least that many builtin transports
 
172
        self.assertTrue(len(scenarios) > 6)
 
173
        one_scenario = scenarios[0]
 
174
        self.assertIsInstance(one_scenario[0], str)
 
175
        self.assertTrue(issubclass(one_scenario[1]["transport_class"],
 
176
                                   bzrlib.transport.Transport))
 
177
        self.assertTrue(issubclass(one_scenario[1]["transport_server"],
 
178
                                   bzrlib.transport.Server))
 
179
 
 
180
 
 
181
class TestBranchScenarios(tests.TestCase):
 
182
 
 
183
    def test_scenarios(self):
 
184
        # check that constructor parameters are passed through to the adapted
 
185
        # test.
 
186
        from bzrlib.tests.per_branch import make_scenarios
 
187
        server1 = "a"
 
188
        server2 = "b"
 
189
        formats = [("c", "C"), ("d", "D")]
 
190
        scenarios = make_scenarios(server1, server2, formats)
 
191
        self.assertEqual(2, len(scenarios))
 
192
        self.assertEqual([
 
193
            ('str',
 
194
             {'branch_format': 'c',
 
195
              'bzrdir_format': 'C',
 
196
              'transport_readonly_server': 'b',
 
197
              'transport_server': 'a'}),
 
198
            ('str',
 
199
             {'branch_format': 'd',
 
200
              'bzrdir_format': 'D',
 
201
              'transport_readonly_server': 'b',
 
202
              'transport_server': 'a'})],
 
203
            scenarios)
 
204
 
 
205
 
 
206
class TestBzrDirScenarios(tests.TestCase):
 
207
 
 
208
    def test_scenarios(self):
 
209
        # check that constructor parameters are passed through to the adapted
 
210
        # test.
 
211
        from bzrlib.tests.per_bzrdir import make_scenarios
 
212
        vfs_factory = "v"
 
213
        server1 = "a"
 
214
        server2 = "b"
 
215
        formats = ["c", "d"]
 
216
        scenarios = make_scenarios(vfs_factory, server1, server2, formats)
 
217
        self.assertEqual([
 
218
            ('str',
 
219
             {'bzrdir_format': 'c',
 
220
              'transport_readonly_server': 'b',
 
221
              'transport_server': 'a',
 
222
              'vfs_transport_factory': 'v'}),
 
223
            ('str',
 
224
             {'bzrdir_format': 'd',
 
225
              'transport_readonly_server': 'b',
 
226
              'transport_server': 'a',
 
227
              'vfs_transport_factory': 'v'})],
 
228
            scenarios)
 
229
 
 
230
 
 
231
class TestRepositoryScenarios(tests.TestCase):
 
232
 
 
233
    def test_formats_to_scenarios(self):
 
234
        from bzrlib.tests.per_repository import formats_to_scenarios
 
235
        formats = [("(c)", remote.RemoteRepositoryFormat()),
 
236
                   ("(d)", repository.format_registry.get(
 
237
                    'Bazaar repository format 2a (needs bzr 1.16 or later)\n'))]
 
238
        no_vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
 
239
            None)
 
240
        vfs_scenarios = formats_to_scenarios(formats, "server", "readonly",
 
241
            vfs_transport_factory="vfs")
 
242
        # no_vfs generate scenarios without vfs_transport_factory
 
243
        expected = [
 
244
            ('RemoteRepositoryFormat(c)',
 
245
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
 
246
              'repository_format': remote.RemoteRepositoryFormat(),
 
247
              'transport_readonly_server': 'readonly',
 
248
              'transport_server': 'server'}),
 
249
            ('RepositoryFormat2a(d)',
 
250
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
 
251
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
 
252
              'transport_readonly_server': 'readonly',
 
253
              'transport_server': 'server'})]
 
254
        self.assertEqual(expected, no_vfs_scenarios)
 
255
        self.assertEqual([
 
256
            ('RemoteRepositoryFormat(c)',
 
257
             {'bzrdir_format': remote.RemoteBzrDirFormat(),
 
258
              'repository_format': remote.RemoteRepositoryFormat(),
 
259
              'transport_readonly_server': 'readonly',
 
260
              'transport_server': 'server',
 
261
              'vfs_transport_factory': 'vfs'}),
 
262
            ('RepositoryFormat2a(d)',
 
263
             {'bzrdir_format': bzrdir.BzrDirMetaFormat1(),
 
264
              'repository_format': groupcompress_repo.RepositoryFormat2a(),
 
265
              'transport_readonly_server': 'readonly',
 
266
              'transport_server': 'server',
 
267
              'vfs_transport_factory': 'vfs'})],
 
268
            vfs_scenarios)
 
269
 
 
270
 
 
271
class TestTestScenarioApplication(tests.TestCase):
 
272
    """Tests for the test adaption facilities."""
 
273
 
 
274
    def test_apply_scenario(self):
 
275
        from bzrlib.tests import apply_scenario
 
276
        input_test = TestTestScenarioApplication("test_apply_scenario")
 
277
        # setup two adapted tests
 
278
        adapted_test1 = apply_scenario(input_test,
 
279
            ("new id",
 
280
            {"bzrdir_format":"bzr_format",
 
281
             "repository_format":"repo_fmt",
 
282
             "transport_server":"transport_server",
 
283
             "transport_readonly_server":"readonly-server"}))
 
284
        adapted_test2 = apply_scenario(input_test,
 
285
            ("new id 2", {"bzrdir_format":None}))
 
286
        # input_test should have been altered.
 
287
        self.assertRaises(AttributeError, getattr, input_test, "bzrdir_format")
 
288
        # the new tests are mutually incompatible, ensuring it has
 
289
        # made new ones, and unspecified elements in the scenario
 
290
        # should not have been altered.
 
291
        self.assertEqual("bzr_format", adapted_test1.bzrdir_format)
 
292
        self.assertEqual("repo_fmt", adapted_test1.repository_format)
 
293
        self.assertEqual("transport_server", adapted_test1.transport_server)
 
294
        self.assertEqual("readonly-server",
 
295
            adapted_test1.transport_readonly_server)
 
296
        self.assertEqual(
 
297
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
 
298
            "test_apply_scenario(new id)",
 
299
            adapted_test1.id())
 
300
        self.assertEqual(None, adapted_test2.bzrdir_format)
 
301
        self.assertEqual(
 
302
            "bzrlib.tests.test_selftest.TestTestScenarioApplication."
 
303
            "test_apply_scenario(new id 2)",
 
304
            adapted_test2.id())
 
305
 
 
306
 
 
307
class TestInterRepositoryScenarios(tests.TestCase):
 
308
 
 
309
    def test_scenarios(self):
 
310
        # check that constructor parameters are passed through to the adapted
 
311
        # test.
 
312
        from bzrlib.tests.per_interrepository import make_scenarios
 
313
        server1 = "a"
 
314
        server2 = "b"
 
315
        formats = [("C0", "C1", "C2", "C3"), ("D0", "D1", "D2", "D3")]
 
316
        scenarios = make_scenarios(server1, server2, formats)
 
317
        self.assertEqual([
 
318
            ('C0,str,str',
 
319
             {'repository_format': 'C1',
 
320
              'repository_format_to': 'C2',
 
321
              'transport_readonly_server': 'b',
 
322
              'transport_server': 'a',
 
323
              'extra_setup': 'C3'}),
 
324
            ('D0,str,str',
 
325
             {'repository_format': 'D1',
 
326
              'repository_format_to': 'D2',
 
327
              'transport_readonly_server': 'b',
 
328
              'transport_server': 'a',
 
329
              'extra_setup': 'D3'})],
 
330
            scenarios)
 
331
 
 
332
 
 
333
class TestWorkingTreeScenarios(tests.TestCase):
 
334
 
 
335
    def test_scenarios(self):
 
336
        # check that constructor parameters are passed through to the adapted
 
337
        # test.
 
338
        from bzrlib.tests.per_workingtree import make_scenarios
 
339
        server1 = "a"
 
340
        server2 = "b"
 
341
        formats = [workingtree.WorkingTreeFormat2(),
 
342
                   workingtree.WorkingTreeFormat3(),]
 
343
        scenarios = make_scenarios(server1, server2, formats)
 
344
        self.assertEqual([
 
345
            ('WorkingTreeFormat2',
 
346
             {'bzrdir_format': formats[0]._matchingbzrdir,
 
347
              'transport_readonly_server': 'b',
 
348
              'transport_server': 'a',
 
349
              'workingtree_format': formats[0]}),
 
350
            ('WorkingTreeFormat3',
 
351
             {'bzrdir_format': formats[1]._matchingbzrdir,
 
352
              'transport_readonly_server': 'b',
 
353
              'transport_server': 'a',
 
354
              'workingtree_format': formats[1]})],
 
355
            scenarios)
 
356
 
 
357
 
 
358
class TestTreeScenarios(tests.TestCase):
 
359
 
 
360
    def test_scenarios(self):
 
361
        # the tree implementation scenario generator is meant to setup one
 
362
        # instance for each working tree format, and one additional instance
 
363
        # that will use the default wt format, but create a revision tree for
 
364
        # the tests.  this means that the wt ones should have the
 
365
        # workingtree_to_test_tree attribute set to 'return_parameter' and the
 
366
        # revision one set to revision_tree_from_workingtree.
 
367
 
 
368
        from bzrlib.tests.per_tree import (
 
369
            _dirstate_tree_from_workingtree,
 
370
            make_scenarios,
 
371
            preview_tree_pre,
 
372
            preview_tree_post,
 
373
            return_parameter,
 
374
            revision_tree_from_workingtree
 
375
            )
 
376
        server1 = "a"
 
377
        server2 = "b"
 
378
        formats = [workingtree.WorkingTreeFormat2(),
 
379
                   workingtree.WorkingTreeFormat3(),]
 
380
        scenarios = make_scenarios(server1, server2, formats)
 
381
        self.assertEqual(7, len(scenarios))
 
382
        default_wt_format = workingtree.WorkingTreeFormat4._default_format
 
383
        wt4_format = workingtree.WorkingTreeFormat4()
 
384
        wt5_format = workingtree.WorkingTreeFormat5()
 
385
        expected_scenarios = [
 
386
            ('WorkingTreeFormat2',
 
387
             {'bzrdir_format': formats[0]._matchingbzrdir,
 
388
              'transport_readonly_server': 'b',
 
389
              'transport_server': 'a',
 
390
              'workingtree_format': formats[0],
 
391
              '_workingtree_to_test_tree': return_parameter,
 
392
              }),
 
393
            ('WorkingTreeFormat3',
 
394
             {'bzrdir_format': formats[1]._matchingbzrdir,
 
395
              'transport_readonly_server': 'b',
 
396
              'transport_server': 'a',
 
397
              'workingtree_format': formats[1],
 
398
              '_workingtree_to_test_tree': return_parameter,
 
399
             }),
 
400
            ('RevisionTree',
 
401
             {'_workingtree_to_test_tree': revision_tree_from_workingtree,
 
402
              'bzrdir_format': default_wt_format._matchingbzrdir,
 
403
              'transport_readonly_server': 'b',
 
404
              'transport_server': 'a',
 
405
              'workingtree_format': default_wt_format,
 
406
             }),
 
407
            ('DirStateRevisionTree,WT4',
 
408
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
 
409
              'bzrdir_format': wt4_format._matchingbzrdir,
 
410
              'transport_readonly_server': 'b',
 
411
              'transport_server': 'a',
 
412
              'workingtree_format': wt4_format,
 
413
             }),
 
414
            ('DirStateRevisionTree,WT5',
 
415
             {'_workingtree_to_test_tree': _dirstate_tree_from_workingtree,
 
416
              'bzrdir_format': wt5_format._matchingbzrdir,
 
417
              'transport_readonly_server': 'b',
 
418
              'transport_server': 'a',
 
419
              'workingtree_format': wt5_format,
 
420
             }),
 
421
            ('PreviewTree',
 
422
             {'_workingtree_to_test_tree': preview_tree_pre,
 
423
              'bzrdir_format': default_wt_format._matchingbzrdir,
 
424
              'transport_readonly_server': 'b',
 
425
              'transport_server': 'a',
 
426
              'workingtree_format': default_wt_format}),
 
427
            ('PreviewTreePost',
 
428
             {'_workingtree_to_test_tree': preview_tree_post,
 
429
              'bzrdir_format': default_wt_format._matchingbzrdir,
 
430
              'transport_readonly_server': 'b',
 
431
              'transport_server': 'a',
 
432
              'workingtree_format': default_wt_format}),
 
433
             ]
 
434
        self.assertEqual(expected_scenarios, scenarios)
 
435
 
 
436
 
 
437
class TestInterTreeScenarios(tests.TestCase):
 
438
    """A group of tests that test the InterTreeTestAdapter."""
 
439
 
 
440
    def test_scenarios(self):
 
441
        # check that constructor parameters are passed through to the adapted
 
442
        # test.
 
443
        # for InterTree tests we want the machinery to bring up two trees in
 
444
        # each instance: the base one, and the one we are interacting with.
 
445
        # because each optimiser can be direction specific, we need to test
 
446
        # each optimiser in its chosen direction.
 
447
        # unlike the TestProviderAdapter we dont want to automatically add a
 
448
        # parameterized one for WorkingTree - the optimisers will tell us what
 
449
        # ones to add.
 
450
        from bzrlib.tests.per_tree import (
 
451
            return_parameter,
 
452
            revision_tree_from_workingtree
 
453
            )
 
454
        from bzrlib.tests.per_intertree import (
 
455
            make_scenarios,
 
456
            )
 
457
        from bzrlib.workingtree import WorkingTreeFormat2, WorkingTreeFormat3
 
458
        input_test = TestInterTreeScenarios(
 
459
            "test_scenarios")
 
460
        server1 = "a"
 
461
        server2 = "b"
 
462
        format1 = WorkingTreeFormat2()
 
463
        format2 = WorkingTreeFormat3()
 
464
        formats = [("1", str, format1, format2, "converter1"),
 
465
            ("2", int, format2, format1, "converter2")]
 
466
        scenarios = make_scenarios(server1, server2, formats)
 
467
        self.assertEqual(2, len(scenarios))
 
468
        expected_scenarios = [
 
469
            ("1", {
 
470
                "bzrdir_format": format1._matchingbzrdir,
 
471
                "intertree_class": formats[0][1],
 
472
                "workingtree_format": formats[0][2],
 
473
                "workingtree_format_to": formats[0][3],
 
474
                "mutable_trees_to_test_trees": formats[0][4],
 
475
                "_workingtree_to_test_tree": return_parameter,
 
476
                "transport_server": server1,
 
477
                "transport_readonly_server": server2,
 
478
                }),
 
479
            ("2", {
 
480
                "bzrdir_format": format2._matchingbzrdir,
 
481
                "intertree_class": formats[1][1],
 
482
                "workingtree_format": formats[1][2],
 
483
                "workingtree_format_to": formats[1][3],
 
484
                "mutable_trees_to_test_trees": formats[1][4],
 
485
                "_workingtree_to_test_tree": return_parameter,
 
486
                "transport_server": server1,
 
487
                "transport_readonly_server": server2,
 
488
                }),
 
489
            ]
 
490
        self.assertEqual(scenarios, expected_scenarios)
 
491
 
 
492
 
 
493
class TestTestCaseInTempDir(tests.TestCaseInTempDir):
 
494
 
 
495
    def test_home_is_not_working(self):
 
496
        self.assertNotEqual(self.test_dir, self.test_home_dir)
 
497
        cwd = osutils.getcwd()
 
498
        self.assertIsSameRealPath(self.test_dir, cwd)
 
499
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
 
500
 
 
501
    def test_assertEqualStat_equal(self):
 
502
        from bzrlib.tests.test_dirstate import _FakeStat
 
503
        self.build_tree(["foo"])
 
504
        real = os.lstat("foo")
 
505
        fake = _FakeStat(real.st_size, real.st_mtime, real.st_ctime,
 
506
            real.st_dev, real.st_ino, real.st_mode)
 
507
        self.assertEqualStat(real, fake)
 
508
 
 
509
    def test_assertEqualStat_notequal(self):
 
510
        self.build_tree(["foo", "longname"])
 
511
        self.assertRaises(AssertionError, self.assertEqualStat,
 
512
            os.lstat("foo"), os.lstat("longname"))
 
513
 
 
514
 
 
515
class TestTestCaseWithMemoryTransport(tests.TestCaseWithMemoryTransport):
 
516
 
 
517
    def test_home_is_non_existant_dir_under_root(self):
 
518
        """The test_home_dir for TestCaseWithMemoryTransport is missing.
 
519
 
 
520
        This is because TestCaseWithMemoryTransport is for tests that do not
 
521
        need any disk resources: they should be hooked into bzrlib in such a
 
522
        way that no global settings are being changed by the test (only a
 
523
        few tests should need to do that), and having a missing dir as home is
 
524
        an effective way to ensure that this is the case.
 
525
        """
 
526
        self.assertIsSameRealPath(
 
527
            self.TEST_ROOT + "/MemoryTransportMissingHomeDir",
 
528
            self.test_home_dir)
 
529
        self.assertIsSameRealPath(self.test_home_dir, os.environ['HOME'])
 
530
 
 
531
    def test_cwd_is_TEST_ROOT(self):
 
532
        self.assertIsSameRealPath(self.test_dir, self.TEST_ROOT)
 
533
        cwd = osutils.getcwd()
 
534
        self.assertIsSameRealPath(self.test_dir, cwd)
 
535
 
 
536
    def test_BZR_HOME_and_HOME_are_bytestrings(self):
 
537
        """The $BZR_HOME and $HOME environment variables should not be unicode.
 
538
 
 
539
        See https://bugs.launchpad.net/bzr/+bug/464174
 
540
        """
 
541
        self.assertIsInstance(os.environ['BZR_HOME'], str)
 
542
        self.assertIsInstance(os.environ['HOME'], str)
 
543
 
 
544
    def test_make_branch_and_memory_tree(self):
 
545
        """In TestCaseWithMemoryTransport we should not make the branch on disk.
 
546
 
 
547
        This is hard to comprehensively robustly test, so we settle for making
 
548
        a branch and checking no directory was created at its relpath.
 
549
        """
 
550
        tree = self.make_branch_and_memory_tree('dir')
 
551
        # Guard against regression into MemoryTransport leaking
 
552
        # files to disk instead of keeping them in memory.
 
553
        self.failIf(osutils.lexists('dir'))
 
554
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
555
 
 
556
    def test_make_branch_and_memory_tree_with_format(self):
 
557
        """make_branch_and_memory_tree should accept a format option."""
 
558
        format = bzrdir.BzrDirMetaFormat1()
 
559
        format.repository_format = weaverepo.RepositoryFormat7()
 
560
        tree = self.make_branch_and_memory_tree('dir', format=format)
 
561
        # Guard against regression into MemoryTransport leaking
 
562
        # files to disk instead of keeping them in memory.
 
563
        self.failIf(osutils.lexists('dir'))
 
564
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
565
        self.assertEqual(format.repository_format.__class__,
 
566
            tree.branch.repository._format.__class__)
 
567
 
 
568
    def test_make_branch_builder(self):
 
569
        builder = self.make_branch_builder('dir')
 
570
        self.assertIsInstance(builder, branchbuilder.BranchBuilder)
 
571
        # Guard against regression into MemoryTransport leaking
 
572
        # files to disk instead of keeping them in memory.
 
573
        self.failIf(osutils.lexists('dir'))
 
574
 
 
575
    def test_make_branch_builder_with_format(self):
 
576
        # Use a repo layout that doesn't conform to a 'named' layout, to ensure
 
577
        # that the format objects are used.
 
578
        format = bzrdir.BzrDirMetaFormat1()
 
579
        repo_format = weaverepo.RepositoryFormat7()
 
580
        format.repository_format = repo_format
 
581
        builder = self.make_branch_builder('dir', format=format)
 
582
        the_branch = builder.get_branch()
 
583
        # Guard against regression into MemoryTransport leaking
 
584
        # files to disk instead of keeping them in memory.
 
585
        self.failIf(osutils.lexists('dir'))
 
586
        self.assertEqual(format.repository_format.__class__,
 
587
                         the_branch.repository._format.__class__)
 
588
        self.assertEqual(repo_format.get_format_string(),
 
589
                         self.get_transport().get_bytes(
 
590
                            'dir/.bzr/repository/format'))
 
591
 
 
592
    def test_make_branch_builder_with_format_name(self):
 
593
        builder = self.make_branch_builder('dir', format='knit')
 
594
        the_branch = builder.get_branch()
 
595
        # Guard against regression into MemoryTransport leaking
 
596
        # files to disk instead of keeping them in memory.
 
597
        self.failIf(osutils.lexists('dir'))
 
598
        dir_format = bzrdir.format_registry.make_bzrdir('knit')
 
599
        self.assertEqual(dir_format.repository_format.__class__,
 
600
                         the_branch.repository._format.__class__)
 
601
        self.assertEqual('Bazaar-NG Knit Repository Format 1',
 
602
                         self.get_transport().get_bytes(
 
603
                            'dir/.bzr/repository/format'))
 
604
 
 
605
    def test_dangling_locks_cause_failures(self):
 
606
        class TestDanglingLock(tests.TestCaseWithMemoryTransport):
 
607
            def test_function(self):
 
608
                t = self.get_transport('.')
 
609
                l = lockdir.LockDir(t, 'lock')
 
610
                l.create()
 
611
                l.attempt_lock()
 
612
        test = TestDanglingLock('test_function')
 
613
        result = test.run()
 
614
        total_failures = result.errors + result.failures
 
615
        if self._lock_check_thorough:
 
616
            self.assertEqual(1, len(total_failures))
 
617
        else:
 
618
            # When _lock_check_thorough is disabled, then we don't trigger a
 
619
            # failure
 
620
            self.assertEqual(0, len(total_failures))
 
621
 
 
622
 
 
623
class TestTestCaseWithTransport(tests.TestCaseWithTransport):
 
624
    """Tests for the convenience functions TestCaseWithTransport introduces."""
 
625
 
 
626
    def test_get_readonly_url_none(self):
 
627
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
628
        self.vfs_transport_factory = memory.MemoryServer
 
629
        self.transport_readonly_server = None
 
630
        # calling get_readonly_transport() constructs a decorator on the url
 
631
        # for the server
 
632
        url = self.get_readonly_url()
 
633
        url2 = self.get_readonly_url('foo/bar')
 
634
        t = transport.get_transport(url)
 
635
        t2 = transport.get_transport(url2)
 
636
        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
 
637
        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
 
638
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
639
 
 
640
    def test_get_readonly_url_http(self):
 
641
        from bzrlib.tests.http_server import HttpServer
 
642
        from bzrlib.transport.http import HttpTransportBase
 
643
        self.transport_server = test_server.LocalURLServer
 
644
        self.transport_readonly_server = HttpServer
 
645
        # calling get_readonly_transport() gives us a HTTP server instance.
 
646
        url = self.get_readonly_url()
 
647
        url2 = self.get_readonly_url('foo/bar')
 
648
        # the transport returned may be any HttpTransportBase subclass
 
649
        t = transport.get_transport(url)
 
650
        t2 = transport.get_transport(url2)
 
651
        self.failUnless(isinstance(t, HttpTransportBase))
 
652
        self.failUnless(isinstance(t2, HttpTransportBase))
 
653
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
654
 
 
655
    def test_is_directory(self):
 
656
        """Test assertIsDirectory assertion"""
 
657
        t = self.get_transport()
 
658
        self.build_tree(['a_dir/', 'a_file'], transport=t)
 
659
        self.assertIsDirectory('a_dir', t)
 
660
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
 
661
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
 
662
 
 
663
    def test_make_branch_builder(self):
 
664
        builder = self.make_branch_builder('dir')
 
665
        rev_id = builder.build_commit()
 
666
        self.failUnlessExists('dir')
 
667
        a_dir = bzrdir.BzrDir.open('dir')
 
668
        self.assertRaises(errors.NoWorkingTree, a_dir.open_workingtree)
 
669
        a_branch = a_dir.open_branch()
 
670
        builder_branch = builder.get_branch()
 
671
        self.assertEqual(a_branch.base, builder_branch.base)
 
672
        self.assertEqual((1, rev_id), builder_branch.last_revision_info())
 
673
        self.assertEqual((1, rev_id), a_branch.last_revision_info())
 
674
 
 
675
 
 
676
class TestTestCaseTransports(tests.TestCaseWithTransport):
 
677
 
 
678
    def setUp(self):
 
679
        super(TestTestCaseTransports, self).setUp()
 
680
        self.vfs_transport_factory = memory.MemoryServer
 
681
 
 
682
    def test_make_bzrdir_preserves_transport(self):
 
683
        t = self.get_transport()
 
684
        result_bzrdir = self.make_bzrdir('subdir')
 
685
        self.assertIsInstance(result_bzrdir.transport,
 
686
                              memory.MemoryTransport)
 
687
        # should not be on disk, should only be in memory
 
688
        self.failIfExists('subdir')
 
689
 
 
690
 
 
691
class TestChrootedTest(tests.ChrootedTestCase):
 
692
 
 
693
    def test_root_is_root(self):
 
694
        t = transport.get_transport(self.get_readonly_url())
 
695
        url = t.base
 
696
        self.assertEqual(url, t.clone('..').base)
 
697
 
 
698
 
 
699
class TestProfileResult(tests.TestCase):
 
700
 
 
701
    def test_profiles_tests(self):
 
702
        self.requireFeature(test_lsprof.LSProfFeature)
 
703
        terminal = testtools.tests.helpers.ExtendedTestResult()
 
704
        result = tests.ProfileResult(terminal)
 
705
        class Sample(tests.TestCase):
 
706
            def a(self):
 
707
                self.sample_function()
 
708
            def sample_function(self):
 
709
                pass
 
710
        test = Sample("a")
 
711
        test.run(result)
 
712
        case = terminal._events[0][1]
 
713
        self.assertLength(1, case._benchcalls)
 
714
        # We must be able to unpack it as the test reporting code wants
 
715
        (_, _, _), stats = case._benchcalls[0]
 
716
        self.assertTrue(callable(stats.pprint))
 
717
 
 
718
 
 
719
class TestTestResult(tests.TestCase):
 
720
 
 
721
    def check_timing(self, test_case, expected_re):
 
722
        result = bzrlib.tests.TextTestResult(self._log_file,
 
723
                descriptions=0,
 
724
                verbosity=1,
 
725
                )
 
726
        capture = testtools.tests.helpers.ExtendedTestResult()
 
727
        test_case.run(MultiTestResult(result, capture))
 
728
        run_case = capture._events[0][1]
 
729
        timed_string = result._testTimeString(run_case)
 
730
        self.assertContainsRe(timed_string, expected_re)
 
731
 
 
732
    def test_test_reporting(self):
 
733
        class ShortDelayTestCase(tests.TestCase):
 
734
            def test_short_delay(self):
 
735
                time.sleep(0.003)
 
736
            def test_short_benchmark(self):
 
737
                self.time(time.sleep, 0.003)
 
738
        self.check_timing(ShortDelayTestCase('test_short_delay'),
 
739
                          r"^ +[0-9]+ms$")
 
740
        # if a benchmark time is given, we now show just that time followed by
 
741
        # a star
 
742
        self.check_timing(ShortDelayTestCase('test_short_benchmark'),
 
743
                          r"^ +[0-9]+ms\*$")
 
744
 
 
745
    def test_unittest_reporting_unittest_class(self):
 
746
        # getting the time from a non-bzrlib test works ok
 
747
        class ShortDelayTestCase(unittest.TestCase):
 
748
            def test_short_delay(self):
 
749
                time.sleep(0.003)
 
750
        self.check_timing(ShortDelayTestCase('test_short_delay'),
 
751
                          r"^ +[0-9]+ms$")
 
752
 
 
753
    def _patch_get_bzr_source_tree(self):
 
754
        # Reading from the actual source tree breaks isolation, but we don't
 
755
        # want to assume that thats *all* that would happen.
 
756
        self.overrideAttr(bzrlib.version, '_get_bzr_source_tree', lambda: None)
 
757
 
 
758
    def test_assigned_benchmark_file_stores_date(self):
 
759
        self._patch_get_bzr_source_tree()
 
760
        output = StringIO()
 
761
        result = bzrlib.tests.TextTestResult(self._log_file,
 
762
                                        descriptions=0,
 
763
                                        verbosity=1,
 
764
                                        bench_history=output
 
765
                                        )
 
766
        output_string = output.getvalue()
 
767
        # if you are wondering about the regexp please read the comment in
 
768
        # test_bench_history (bzrlib.tests.test_selftest.TestRunner)
 
769
        # XXX: what comment?  -- Andrew Bennetts
 
770
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
771
 
 
772
    def test_benchhistory_records_test_times(self):
 
773
        self._patch_get_bzr_source_tree()
 
774
        result_stream = StringIO()
 
775
        result = bzrlib.tests.TextTestResult(
 
776
            self._log_file,
 
777
            descriptions=0,
 
778
            verbosity=1,
 
779
            bench_history=result_stream
 
780
            )
 
781
 
 
782
        # we want profile a call and check that its test duration is recorded
 
783
        # make a new test instance that when run will generate a benchmark
 
784
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
785
        # execute the test, which should succeed and record times
 
786
        example_test_case.run(result)
 
787
        lines = result_stream.getvalue().splitlines()
 
788
        self.assertEqual(2, len(lines))
 
789
        self.assertContainsRe(lines[1],
 
790
            " *[0-9]+ms bzrlib.tests.test_selftest.TestTestResult"
 
791
            "._time_hello_world_encoding")
 
792
 
 
793
    def _time_hello_world_encoding(self):
 
794
        """Profile two sleep calls
 
795
 
 
796
        This is used to exercise the test framework.
 
797
        """
 
798
        self.time(unicode, 'hello', errors='replace')
 
799
        self.time(unicode, 'world', errors='replace')
 
800
 
 
801
    def test_lsprofiling(self):
 
802
        """Verbose test result prints lsprof statistics from test cases."""
 
803
        self.requireFeature(test_lsprof.LSProfFeature)
 
804
        result_stream = StringIO()
 
805
        result = bzrlib.tests.VerboseTestResult(
 
806
            unittest._WritelnDecorator(result_stream),
 
807
            descriptions=0,
 
808
            verbosity=2,
 
809
            )
 
810
        # we want profile a call of some sort and check it is output by
 
811
        # addSuccess. We dont care about addError or addFailure as they
 
812
        # are not that interesting for performance tuning.
 
813
        # make a new test instance that when run will generate a profile
 
814
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
815
        example_test_case._gather_lsprof_in_benchmarks = True
 
816
        # execute the test, which should succeed and record profiles
 
817
        example_test_case.run(result)
 
818
        # lsprofile_something()
 
819
        # if this worked we want
 
820
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
 
821
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
 
822
        # (the lsprof header)
 
823
        # ... an arbitrary number of lines
 
824
        # and the function call which is time.sleep.
 
825
        #           1        0            ???         ???       ???(sleep)
 
826
        # and then repeated but with 'world', rather than 'hello'.
 
827
        # this should appear in the output stream of our test result.
 
828
        output = result_stream.getvalue()
 
829
        self.assertContainsRe(output,
 
830
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
 
831
        self.assertContainsRe(output,
 
832
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
 
833
        self.assertContainsRe(output,
 
834
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
 
835
        self.assertContainsRe(output,
 
836
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
 
837
 
 
838
    def test_known_failure(self):
 
839
        """A KnownFailure being raised should trigger several result actions."""
 
840
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
841
            def stopTestRun(self): pass
 
842
            def startTests(self): pass
 
843
            def report_test_start(self, test): pass
 
844
            def report_known_failure(self, test, err=None, details=None):
 
845
                self._call = test, 'known failure'
 
846
        result = InstrumentedTestResult(None, None, None, None)
 
847
        class Test(tests.TestCase):
 
848
            def test_function(self):
 
849
                raise tests.KnownFailure('failed!')
 
850
        test = Test("test_function")
 
851
        test.run(result)
 
852
        # it should invoke 'report_known_failure'.
 
853
        self.assertEqual(2, len(result._call))
 
854
        self.assertEqual(test.id(), result._call[0].id())
 
855
        self.assertEqual('known failure', result._call[1])
 
856
        # we dont introspec the traceback, if the rest is ok, it would be
 
857
        # exceptional for it not to be.
 
858
        # it should update the known_failure_count on the object.
 
859
        self.assertEqual(1, result.known_failure_count)
 
860
        # the result should be successful.
 
861
        self.assertTrue(result.wasSuccessful())
 
862
 
 
863
    def test_verbose_report_known_failure(self):
 
864
        # verbose test output formatting
 
865
        result_stream = StringIO()
 
866
        result = bzrlib.tests.VerboseTestResult(
 
867
            unittest._WritelnDecorator(result_stream),
 
868
            descriptions=0,
 
869
            verbosity=2,
 
870
            )
 
871
        test = self.get_passing_test()
 
872
        result.startTest(test)
 
873
        prefix = len(result_stream.getvalue())
 
874
        # the err parameter has the shape:
 
875
        # (class, exception object, traceback)
 
876
        # KnownFailures dont get their tracebacks shown though, so we
 
877
        # can skip that.
 
878
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
 
879
        result.report_known_failure(test, err)
 
880
        output = result_stream.getvalue()[prefix:]
 
881
        lines = output.splitlines()
 
882
        self.assertContainsRe(lines[0], r'XFAIL *\d+ms$')
 
883
        self.assertEqual(lines[1], '    foo')
 
884
        self.assertEqual(2, len(lines))
 
885
 
 
886
    def get_passing_test(self):
 
887
        """Return a test object that can't be run usefully."""
 
888
        def passing_test():
 
889
            pass
 
890
        return unittest.FunctionTestCase(passing_test)
 
891
 
 
892
    def test_add_not_supported(self):
 
893
        """Test the behaviour of invoking addNotSupported."""
 
894
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
895
            def stopTestRun(self): pass
 
896
            def startTests(self): pass
 
897
            def report_test_start(self, test): pass
 
898
            def report_unsupported(self, test, feature):
 
899
                self._call = test, feature
 
900
        result = InstrumentedTestResult(None, None, None, None)
 
901
        test = SampleTestCase('_test_pass')
 
902
        feature = tests.Feature()
 
903
        result.startTest(test)
 
904
        result.addNotSupported(test, feature)
 
905
        # it should invoke 'report_unsupported'.
 
906
        self.assertEqual(2, len(result._call))
 
907
        self.assertEqual(test, result._call[0])
 
908
        self.assertEqual(feature, result._call[1])
 
909
        # the result should be successful.
 
910
        self.assertTrue(result.wasSuccessful())
 
911
        # it should record the test against a count of tests not run due to
 
912
        # this feature.
 
913
        self.assertEqual(1, result.unsupported['Feature'])
 
914
        # and invoking it again should increment that counter
 
915
        result.addNotSupported(test, feature)
 
916
        self.assertEqual(2, result.unsupported['Feature'])
 
917
 
 
918
    def test_verbose_report_unsupported(self):
 
919
        # verbose test output formatting
 
920
        result_stream = StringIO()
 
921
        result = bzrlib.tests.VerboseTestResult(
 
922
            unittest._WritelnDecorator(result_stream),
 
923
            descriptions=0,
 
924
            verbosity=2,
 
925
            )
 
926
        test = self.get_passing_test()
 
927
        feature = tests.Feature()
 
928
        result.startTest(test)
 
929
        prefix = len(result_stream.getvalue())
 
930
        result.report_unsupported(test, feature)
 
931
        output = result_stream.getvalue()[prefix:]
 
932
        lines = output.splitlines()
 
933
        # We don't check for the final '0ms' since it may fail on slow hosts
 
934
        self.assertStartsWith(lines[0], 'NODEP')
 
935
        self.assertEqual(lines[1],
 
936
                         "    The feature 'Feature' is not available.")
 
937
 
 
938
    def test_unavailable_exception(self):
 
939
        """An UnavailableFeature being raised should invoke addNotSupported."""
 
940
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
941
            def stopTestRun(self): pass
 
942
            def startTests(self): pass
 
943
            def report_test_start(self, test): pass
 
944
            def addNotSupported(self, test, feature):
 
945
                self._call = test, feature
 
946
        result = InstrumentedTestResult(None, None, None, None)
 
947
        feature = tests.Feature()
 
948
        class Test(tests.TestCase):
 
949
            def test_function(self):
 
950
                raise tests.UnavailableFeature(feature)
 
951
        test = Test("test_function")
 
952
        test.run(result)
 
953
        # it should invoke 'addNotSupported'.
 
954
        self.assertEqual(2, len(result._call))
 
955
        self.assertEqual(test.id(), result._call[0].id())
 
956
        self.assertEqual(feature, result._call[1])
 
957
        # and not count as an error
 
958
        self.assertEqual(0, result.error_count)
 
959
 
 
960
    def test_strict_with_unsupported_feature(self):
 
961
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
962
                                             verbosity=1)
 
963
        test = self.get_passing_test()
 
964
        feature = "Unsupported Feature"
 
965
        result.addNotSupported(test, feature)
 
966
        self.assertFalse(result.wasStrictlySuccessful())
 
967
        self.assertEqual(None, result._extractBenchmarkTime(test))
 
968
 
 
969
    def test_strict_with_known_failure(self):
 
970
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
971
                                             verbosity=1)
 
972
        test = self.get_passing_test()
 
973
        err = (tests.KnownFailure, tests.KnownFailure('foo'), None)
 
974
        result.addExpectedFailure(test, err)
 
975
        self.assertFalse(result.wasStrictlySuccessful())
 
976
        self.assertEqual(None, result._extractBenchmarkTime(test))
 
977
 
 
978
    def test_strict_with_success(self):
 
979
        result = bzrlib.tests.TextTestResult(self._log_file, descriptions=0,
 
980
                                             verbosity=1)
 
981
        test = self.get_passing_test()
 
982
        result.addSuccess(test)
 
983
        self.assertTrue(result.wasStrictlySuccessful())
 
984
        self.assertEqual(None, result._extractBenchmarkTime(test))
 
985
 
 
986
    def test_startTests(self):
 
987
        """Starting the first test should trigger startTests."""
 
988
        class InstrumentedTestResult(tests.ExtendedTestResult):
 
989
            calls = 0
 
990
            def startTests(self): self.calls += 1
 
991
            def report_test_start(self, test): pass
 
992
        result = InstrumentedTestResult(None, None, None, None)
 
993
        def test_function():
 
994
            pass
 
995
        test = unittest.FunctionTestCase(test_function)
 
996
        test.run(result)
 
997
        self.assertEquals(1, result.calls)
 
998
 
 
999
 
 
1000
class TestUnicodeFilenameFeature(tests.TestCase):
 
1001
 
 
1002
    def test_probe_passes(self):
 
1003
        """UnicodeFilenameFeature._probe passes."""
 
1004
        # We can't test much more than that because the behaviour depends
 
1005
        # on the platform.
 
1006
        tests.UnicodeFilenameFeature._probe()
 
1007
 
 
1008
 
 
1009
class TestRunner(tests.TestCase):
 
1010
 
 
1011
    def dummy_test(self):
 
1012
        pass
 
1013
 
 
1014
    def run_test_runner(self, testrunner, test):
 
1015
        """Run suite in testrunner, saving global state and restoring it.
 
1016
 
 
1017
        This current saves and restores:
 
1018
        TestCaseInTempDir.TEST_ROOT
 
1019
 
 
1020
        There should be no tests in this file that use
 
1021
        bzrlib.tests.TextTestRunner without using this convenience method,
 
1022
        because of our use of global state.
 
1023
        """
 
1024
        old_root = tests.TestCaseInTempDir.TEST_ROOT
 
1025
        old_leak = tests.TestCase._first_thread_leaker_id
 
1026
        try:
 
1027
            tests.TestCaseInTempDir.TEST_ROOT = None
 
1028
            tests.TestCase._first_thread_leaker_id = None
 
1029
            return testrunner.run(test)
 
1030
        finally:
 
1031
            tests.TestCaseInTempDir.TEST_ROOT = old_root
 
1032
            tests.TestCase._first_thread_leaker_id = old_leak
 
1033
 
 
1034
    def test_known_failure_failed_run(self):
 
1035
        # run a test that generates a known failure which should be printed in
 
1036
        # the final output when real failures occur.
 
1037
        class Test(tests.TestCase):
 
1038
            def known_failure_test(self):
 
1039
                self.expectFailure('failed', self.assertTrue, False)
 
1040
        test = unittest.TestSuite()
 
1041
        test.addTest(Test("known_failure_test"))
 
1042
        def failing_test():
 
1043
            self.fail('foo')
 
1044
        test.addTest(unittest.FunctionTestCase(failing_test))
 
1045
        stream = StringIO()
 
1046
        runner = tests.TextTestRunner(stream=stream)
 
1047
        result = self.run_test_runner(runner, test)
 
1048
        lines = stream.getvalue().splitlines()
 
1049
        self.assertContainsRe(stream.getvalue(),
 
1050
            '(?sm)^bzr selftest.*$'
 
1051
            '.*'
 
1052
            '^======================================================================\n'
 
1053
            '^FAIL: failing_test\n'
 
1054
            '^----------------------------------------------------------------------\n'
 
1055
            'Traceback \\(most recent call last\\):\n'
 
1056
            '  .*' # File .*, line .*, in failing_test' - but maybe not from .pyc
 
1057
            '    self.fail\\(\'foo\'\\)\n'
 
1058
            '.*'
 
1059
            '^----------------------------------------------------------------------\n'
 
1060
            '.*'
 
1061
            'FAILED \\(failures=1, known_failure_count=1\\)'
 
1062
            )
 
1063
 
 
1064
    def test_known_failure_ok_run(self):
 
1065
        # run a test that generates a known failure which should be printed in
 
1066
        # the final output.
 
1067
        class Test(tests.TestCase):
 
1068
            def known_failure_test(self):
 
1069
                self.expectFailure('failed', self.assertTrue, False)
 
1070
        test = Test("known_failure_test")
 
1071
        stream = StringIO()
 
1072
        runner = tests.TextTestRunner(stream=stream)
 
1073
        result = self.run_test_runner(runner, test)
 
1074
        self.assertContainsRe(stream.getvalue(),
 
1075
            '\n'
 
1076
            '-*\n'
 
1077
            'Ran 1 test in .*\n'
 
1078
            '\n'
 
1079
            'OK \\(known_failures=1\\)\n')
 
1080
 
 
1081
    def test_result_decorator(self):
 
1082
        # decorate results
 
1083
        calls = []
 
1084
        class LoggingDecorator(tests.ForwardingResult):
 
1085
            def startTest(self, test):
 
1086
                tests.ForwardingResult.startTest(self, test)
 
1087
                calls.append('start')
 
1088
        test = unittest.FunctionTestCase(lambda:None)
 
1089
        stream = StringIO()
 
1090
        runner = tests.TextTestRunner(stream=stream,
 
1091
            result_decorators=[LoggingDecorator])
 
1092
        result = self.run_test_runner(runner, test)
 
1093
        self.assertLength(1, calls)
 
1094
 
 
1095
    def test_skipped_test(self):
 
1096
        # run a test that is skipped, and check the suite as a whole still
 
1097
        # succeeds.
 
1098
        # skipping_test must be hidden in here so it's not run as a real test
 
1099
        class SkippingTest(tests.TestCase):
 
1100
            def skipping_test(self):
 
1101
                raise tests.TestSkipped('test intentionally skipped')
 
1102
        runner = tests.TextTestRunner(stream=self._log_file)
 
1103
        test = SkippingTest("skipping_test")
 
1104
        result = self.run_test_runner(runner, test)
 
1105
        self.assertTrue(result.wasSuccessful())
 
1106
 
 
1107
    def test_skipped_from_setup(self):
 
1108
        calls = []
 
1109
        class SkippedSetupTest(tests.TestCase):
 
1110
 
 
1111
            def setUp(self):
 
1112
                calls.append('setUp')
 
1113
                self.addCleanup(self.cleanup)
 
1114
                raise tests.TestSkipped('skipped setup')
 
1115
 
 
1116
            def test_skip(self):
 
1117
                self.fail('test reached')
 
1118
 
 
1119
            def cleanup(self):
 
1120
                calls.append('cleanup')
 
1121
 
 
1122
        runner = tests.TextTestRunner(stream=self._log_file)
 
1123
        test = SkippedSetupTest('test_skip')
 
1124
        result = self.run_test_runner(runner, test)
 
1125
        self.assertTrue(result.wasSuccessful())
 
1126
        # Check if cleanup was called the right number of times.
 
1127
        self.assertEqual(['setUp', 'cleanup'], calls)
 
1128
 
 
1129
    def test_skipped_from_test(self):
 
1130
        calls = []
 
1131
        class SkippedTest(tests.TestCase):
 
1132
 
 
1133
            def setUp(self):
 
1134
                tests.TestCase.setUp(self)
 
1135
                calls.append('setUp')
 
1136
                self.addCleanup(self.cleanup)
 
1137
 
 
1138
            def test_skip(self):
 
1139
                raise tests.TestSkipped('skipped test')
 
1140
 
 
1141
            def cleanup(self):
 
1142
                calls.append('cleanup')
 
1143
 
 
1144
        runner = tests.TextTestRunner(stream=self._log_file)
 
1145
        test = SkippedTest('test_skip')
 
1146
        result = self.run_test_runner(runner, test)
 
1147
        self.assertTrue(result.wasSuccessful())
 
1148
        # Check if cleanup was called the right number of times.
 
1149
        self.assertEqual(['setUp', 'cleanup'], calls)
 
1150
 
 
1151
    def test_not_applicable(self):
 
1152
        # run a test that is skipped because it's not applicable
 
1153
        class Test(tests.TestCase):
 
1154
            def not_applicable_test(self):
 
1155
                raise tests.TestNotApplicable('this test never runs')
 
1156
        out = StringIO()
 
1157
        runner = tests.TextTestRunner(stream=out, verbosity=2)
 
1158
        test = Test("not_applicable_test")
 
1159
        result = self.run_test_runner(runner, test)
 
1160
        self._log_file.write(out.getvalue())
 
1161
        self.assertTrue(result.wasSuccessful())
 
1162
        self.assertTrue(result.wasStrictlySuccessful())
 
1163
        self.assertContainsRe(out.getvalue(),
 
1164
                r'(?m)not_applicable_test   * N/A')
 
1165
        self.assertContainsRe(out.getvalue(),
 
1166
                r'(?m)^    this test never runs')
 
1167
 
 
1168
    def test_unsupported_features_listed(self):
 
1169
        """When unsupported features are encountered they are detailed."""
 
1170
        class Feature1(tests.Feature):
 
1171
            def _probe(self): return False
 
1172
        class Feature2(tests.Feature):
 
1173
            def _probe(self): return False
 
1174
        # create sample tests
 
1175
        test1 = SampleTestCase('_test_pass')
 
1176
        test1._test_needs_features = [Feature1()]
 
1177
        test2 = SampleTestCase('_test_pass')
 
1178
        test2._test_needs_features = [Feature2()]
 
1179
        test = unittest.TestSuite()
 
1180
        test.addTest(test1)
 
1181
        test.addTest(test2)
 
1182
        stream = StringIO()
 
1183
        runner = tests.TextTestRunner(stream=stream)
 
1184
        result = self.run_test_runner(runner, test)
 
1185
        lines = stream.getvalue().splitlines()
 
1186
        self.assertEqual([
 
1187
            'OK',
 
1188
            "Missing feature 'Feature1' skipped 1 tests.",
 
1189
            "Missing feature 'Feature2' skipped 1 tests.",
 
1190
            ],
 
1191
            lines[-3:])
 
1192
 
 
1193
    def _patch_get_bzr_source_tree(self):
 
1194
        # Reading from the actual source tree breaks isolation, but we don't
 
1195
        # want to assume that thats *all* that would happen.
 
1196
        self._get_source_tree_calls = []
 
1197
        def new_get():
 
1198
            self._get_source_tree_calls.append("called")
 
1199
            return None
 
1200
        self.overrideAttr(bzrlib.version, '_get_bzr_source_tree',  new_get)
 
1201
 
 
1202
    def test_bench_history(self):
 
1203
        # tests that the running the benchmark passes bench_history into
 
1204
        # the test result object. We can tell that happens if
 
1205
        # _get_bzr_source_tree is called.
 
1206
        self._patch_get_bzr_source_tree()
 
1207
        test = TestRunner('dummy_test')
 
1208
        output = StringIO()
 
1209
        runner = tests.TextTestRunner(stream=self._log_file,
 
1210
                                      bench_history=output)
 
1211
        result = self.run_test_runner(runner, test)
 
1212
        output_string = output.getvalue()
 
1213
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
1214
        self.assertLength(1, self._get_source_tree_calls)
 
1215
 
 
1216
    def test_startTestRun(self):
 
1217
        """run should call result.startTestRun()"""
 
1218
        calls = []
 
1219
        class LoggingDecorator(tests.ForwardingResult):
 
1220
            def startTestRun(self):
 
1221
                tests.ForwardingResult.startTestRun(self)
 
1222
                calls.append('startTestRun')
 
1223
        test = unittest.FunctionTestCase(lambda:None)
 
1224
        stream = StringIO()
 
1225
        runner = tests.TextTestRunner(stream=stream,
 
1226
            result_decorators=[LoggingDecorator])
 
1227
        result = self.run_test_runner(runner, test)
 
1228
        self.assertLength(1, calls)
 
1229
 
 
1230
    def test_stopTestRun(self):
 
1231
        """run should call result.stopTestRun()"""
 
1232
        calls = []
 
1233
        class LoggingDecorator(tests.ForwardingResult):
 
1234
            def stopTestRun(self):
 
1235
                tests.ForwardingResult.stopTestRun(self)
 
1236
                calls.append('stopTestRun')
 
1237
        test = unittest.FunctionTestCase(lambda:None)
 
1238
        stream = StringIO()
 
1239
        runner = tests.TextTestRunner(stream=stream,
 
1240
            result_decorators=[LoggingDecorator])
 
1241
        result = self.run_test_runner(runner, test)
 
1242
        self.assertLength(1, calls)
 
1243
 
 
1244
 
 
1245
class SampleTestCase(tests.TestCase):
 
1246
 
 
1247
    def _test_pass(self):
 
1248
        pass
 
1249
 
 
1250
class _TestException(Exception):
 
1251
    pass
 
1252
 
 
1253
 
 
1254
class TestTestCase(tests.TestCase):
 
1255
    """Tests that test the core bzrlib TestCase."""
 
1256
 
 
1257
    def test_assertLength_matches_empty(self):
 
1258
        a_list = []
 
1259
        self.assertLength(0, a_list)
 
1260
 
 
1261
    def test_assertLength_matches_nonempty(self):
 
1262
        a_list = [1, 2, 3]
 
1263
        self.assertLength(3, a_list)
 
1264
 
 
1265
    def test_assertLength_fails_different(self):
 
1266
        a_list = []
 
1267
        self.assertRaises(AssertionError, self.assertLength, 1, a_list)
 
1268
 
 
1269
    def test_assertLength_shows_sequence_in_failure(self):
 
1270
        a_list = [1, 2, 3]
 
1271
        exception = self.assertRaises(AssertionError, self.assertLength, 2,
 
1272
            a_list)
 
1273
        self.assertEqual('Incorrect length: wanted 2, got 3 for [1, 2, 3]',
 
1274
            exception.args[0])
 
1275
 
 
1276
    def test_base_setUp_not_called_causes_failure(self):
 
1277
        class TestCaseWithBrokenSetUp(tests.TestCase):
 
1278
            def setUp(self):
 
1279
                pass # does not call TestCase.setUp
 
1280
            def test_foo(self):
 
1281
                pass
 
1282
        test = TestCaseWithBrokenSetUp('test_foo')
 
1283
        result = unittest.TestResult()
 
1284
        test.run(result)
 
1285
        self.assertFalse(result.wasSuccessful())
 
1286
        self.assertEqual(1, result.testsRun)
 
1287
 
 
1288
    def test_base_tearDown_not_called_causes_failure(self):
 
1289
        class TestCaseWithBrokenTearDown(tests.TestCase):
 
1290
            def tearDown(self):
 
1291
                pass # does not call TestCase.tearDown
 
1292
            def test_foo(self):
 
1293
                pass
 
1294
        test = TestCaseWithBrokenTearDown('test_foo')
 
1295
        result = unittest.TestResult()
 
1296
        test.run(result)
 
1297
        self.assertFalse(result.wasSuccessful())
 
1298
        self.assertEqual(1, result.testsRun)
 
1299
 
 
1300
    def test_debug_flags_sanitised(self):
 
1301
        """The bzrlib debug flags should be sanitised by setUp."""
 
1302
        if 'allow_debug' in tests.selftest_debug_flags:
 
1303
            raise tests.TestNotApplicable(
 
1304
                '-Eallow_debug option prevents debug flag sanitisation')
 
1305
        # we could set something and run a test that will check
 
1306
        # it gets santised, but this is probably sufficient for now:
 
1307
        # if someone runs the test with -Dsomething it will error.
 
1308
        flags = set()
 
1309
        if self._lock_check_thorough:
 
1310
            flags.add('strict_locks')
 
1311
        self.assertEqual(flags, bzrlib.debug.debug_flags)
 
1312
 
 
1313
    def change_selftest_debug_flags(self, new_flags):
 
1314
        self.overrideAttr(tests, 'selftest_debug_flags', set(new_flags))
 
1315
 
 
1316
    def test_allow_debug_flag(self):
 
1317
        """The -Eallow_debug flag prevents bzrlib.debug.debug_flags from being
 
1318
        sanitised (i.e. cleared) before running a test.
 
1319
        """
 
1320
        self.change_selftest_debug_flags(set(['allow_debug']))
 
1321
        bzrlib.debug.debug_flags = set(['a-flag'])
 
1322
        class TestThatRecordsFlags(tests.TestCase):
 
1323
            def test_foo(nested_self):
 
1324
                self.flags = set(bzrlib.debug.debug_flags)
 
1325
        test = TestThatRecordsFlags('test_foo')
 
1326
        test.run(self.make_test_result())
 
1327
        flags = set(['a-flag'])
 
1328
        if 'disable_lock_checks' not in tests.selftest_debug_flags:
 
1329
            flags.add('strict_locks')
 
1330
        self.assertEqual(flags, self.flags)
 
1331
 
 
1332
    def test_disable_lock_checks(self):
 
1333
        """The -Edisable_lock_checks flag disables thorough checks."""
 
1334
        class TestThatRecordsFlags(tests.TestCase):
 
1335
            def test_foo(nested_self):
 
1336
                self.flags = set(bzrlib.debug.debug_flags)
 
1337
                self.test_lock_check_thorough = nested_self._lock_check_thorough
 
1338
        self.change_selftest_debug_flags(set())
 
1339
        test = TestThatRecordsFlags('test_foo')
 
1340
        test.run(self.make_test_result())
 
1341
        # By default we do strict lock checking and thorough lock/unlock
 
1342
        # tracking.
 
1343
        self.assertTrue(self.test_lock_check_thorough)
 
1344
        self.assertEqual(set(['strict_locks']), self.flags)
 
1345
        # Now set the disable_lock_checks flag, and show that this changed.
 
1346
        self.change_selftest_debug_flags(set(['disable_lock_checks']))
 
1347
        test = TestThatRecordsFlags('test_foo')
 
1348
        test.run(self.make_test_result())
 
1349
        self.assertFalse(self.test_lock_check_thorough)
 
1350
        self.assertEqual(set(), self.flags)
 
1351
 
 
1352
    def test_this_fails_strict_lock_check(self):
 
1353
        class TestThatRecordsFlags(tests.TestCase):
 
1354
            def test_foo(nested_self):
 
1355
                self.flags1 = set(bzrlib.debug.debug_flags)
 
1356
                self.thisFailsStrictLockCheck()
 
1357
                self.flags2 = set(bzrlib.debug.debug_flags)
 
1358
        # Make sure lock checking is active
 
1359
        self.change_selftest_debug_flags(set())
 
1360
        test = TestThatRecordsFlags('test_foo')
 
1361
        test.run(self.make_test_result())
 
1362
        self.assertEqual(set(['strict_locks']), self.flags1)
 
1363
        self.assertEqual(set(), self.flags2)
 
1364
 
 
1365
    def test_debug_flags_restored(self):
 
1366
        """The bzrlib debug flags should be restored to their original state
 
1367
        after the test was run, even if allow_debug is set.
 
1368
        """
 
1369
        self.change_selftest_debug_flags(set(['allow_debug']))
 
1370
        # Now run a test that modifies debug.debug_flags.
 
1371
        bzrlib.debug.debug_flags = set(['original-state'])
 
1372
        class TestThatModifiesFlags(tests.TestCase):
 
1373
            def test_foo(self):
 
1374
                bzrlib.debug.debug_flags = set(['modified'])
 
1375
        test = TestThatModifiesFlags('test_foo')
 
1376
        test.run(self.make_test_result())
 
1377
        self.assertEqual(set(['original-state']), bzrlib.debug.debug_flags)
 
1378
 
 
1379
    def make_test_result(self):
 
1380
        """Get a test result that writes to the test log file."""
 
1381
        return tests.TextTestResult(self._log_file, descriptions=0, verbosity=1)
 
1382
 
 
1383
    def inner_test(self):
 
1384
        # the inner child test
 
1385
        note("inner_test")
 
1386
 
 
1387
    def outer_child(self):
 
1388
        # the outer child test
 
1389
        note("outer_start")
 
1390
        self.inner_test = TestTestCase("inner_child")
 
1391
        result = self.make_test_result()
 
1392
        self.inner_test.run(result)
 
1393
        note("outer finish")
 
1394
        self.addCleanup(osutils.delete_any, self._log_file_name)
 
1395
 
 
1396
    def test_trace_nesting(self):
 
1397
        # this tests that each test case nests its trace facility correctly.
 
1398
        # we do this by running a test case manually. That test case (A)
 
1399
        # should setup a new log, log content to it, setup a child case (B),
 
1400
        # which should log independently, then case (A) should log a trailer
 
1401
        # and return.
 
1402
        # we do two nested children so that we can verify the state of the
 
1403
        # logs after the outer child finishes is correct, which a bad clean
 
1404
        # up routine in tearDown might trigger a fault in our test with only
 
1405
        # one child, we should instead see the bad result inside our test with
 
1406
        # the two children.
 
1407
        # the outer child test
 
1408
        original_trace = bzrlib.trace._trace_file
 
1409
        outer_test = TestTestCase("outer_child")
 
1410
        result = self.make_test_result()
 
1411
        outer_test.run(result)
 
1412
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
 
1413
 
 
1414
    def method_that_times_a_bit_twice(self):
 
1415
        # call self.time twice to ensure it aggregates
 
1416
        self.time(time.sleep, 0.007)
 
1417
        self.time(time.sleep, 0.007)
 
1418
 
 
1419
    def test_time_creates_benchmark_in_result(self):
 
1420
        """Test that the TestCase.time() method accumulates a benchmark time."""
 
1421
        sample_test = TestTestCase("method_that_times_a_bit_twice")
 
1422
        output_stream = StringIO()
 
1423
        result = bzrlib.tests.VerboseTestResult(
 
1424
            unittest._WritelnDecorator(output_stream),
 
1425
            descriptions=0,
 
1426
            verbosity=2)
 
1427
        sample_test.run(result)
 
1428
        self.assertContainsRe(
 
1429
            output_stream.getvalue(),
 
1430
            r"\d+ms\*\n$")
 
1431
 
 
1432
    def test_hooks_sanitised(self):
 
1433
        """The bzrlib hooks should be sanitised by setUp."""
 
1434
        # Note this test won't fail with hooks that the core library doesn't
 
1435
        # use - but it trigger with a plugin that adds hooks, so its still a
 
1436
        # useful warning in that case.
 
1437
        self.assertEqual(bzrlib.branch.BranchHooks(),
 
1438
            bzrlib.branch.Branch.hooks)
 
1439
        self.assertEqual(bzrlib.smart.server.SmartServerHooks(),
 
1440
            bzrlib.smart.server.SmartTCPServer.hooks)
 
1441
        self.assertEqual(bzrlib.commands.CommandHooks(),
 
1442
            bzrlib.commands.Command.hooks)
 
1443
 
 
1444
    def test__gather_lsprof_in_benchmarks(self):
 
1445
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
 
1446
 
 
1447
        Each self.time() call is individually and separately profiled.
 
1448
        """
 
1449
        self.requireFeature(test_lsprof.LSProfFeature)
 
1450
        # overrides the class member with an instance member so no cleanup
 
1451
        # needed.
 
1452
        self._gather_lsprof_in_benchmarks = True
 
1453
        self.time(time.sleep, 0.000)
 
1454
        self.time(time.sleep, 0.003)
 
1455
        self.assertEqual(2, len(self._benchcalls))
 
1456
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
 
1457
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
 
1458
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
 
1459
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
 
1460
        del self._benchcalls[:]
 
1461
 
 
1462
    def test_knownFailure(self):
 
1463
        """Self.knownFailure() should raise a KnownFailure exception."""
 
1464
        self.assertRaises(tests.KnownFailure, self.knownFailure, "A Failure")
 
1465
 
 
1466
    def test_open_bzrdir_safe_roots(self):
 
1467
        # even a memory transport should fail to open when its url isn't 
 
1468
        # permitted.
 
1469
        # Manually set one up (TestCase doesn't and shouldn't provide magic
 
1470
        # machinery)
 
1471
        transport_server = memory.MemoryServer()
 
1472
        transport_server.start_server()
 
1473
        self.addCleanup(transport_server.stop_server)
 
1474
        t = transport.get_transport(transport_server.get_url())
 
1475
        bzrdir.BzrDir.create(t.base)
 
1476
        self.assertRaises(errors.BzrError,
 
1477
            bzrdir.BzrDir.open_from_transport, t)
 
1478
        # But if we declare this as safe, we can open the bzrdir.
 
1479
        self.permit_url(t.base)
 
1480
        self._bzr_selftest_roots.append(t.base)
 
1481
        bzrdir.BzrDir.open_from_transport(t)
 
1482
 
 
1483
    def test_requireFeature_available(self):
 
1484
        """self.requireFeature(available) is a no-op."""
 
1485
        class Available(tests.Feature):
 
1486
            def _probe(self):return True
 
1487
        feature = Available()
 
1488
        self.requireFeature(feature)
 
1489
 
 
1490
    def test_requireFeature_unavailable(self):
 
1491
        """self.requireFeature(unavailable) raises UnavailableFeature."""
 
1492
        class Unavailable(tests.Feature):
 
1493
            def _probe(self):return False
 
1494
        feature = Unavailable()
 
1495
        self.assertRaises(tests.UnavailableFeature,
 
1496
                          self.requireFeature, feature)
 
1497
 
 
1498
    def test_run_no_parameters(self):
 
1499
        test = SampleTestCase('_test_pass')
 
1500
        test.run()
 
1501
 
 
1502
    def test_run_enabled_unittest_result(self):
 
1503
        """Test we revert to regular behaviour when the test is enabled."""
 
1504
        test = SampleTestCase('_test_pass')
 
1505
        class EnabledFeature(object):
 
1506
            def available(self):
 
1507
                return True
 
1508
        test._test_needs_features = [EnabledFeature()]
 
1509
        result = unittest.TestResult()
 
1510
        test.run(result)
 
1511
        self.assertEqual(1, result.testsRun)
 
1512
        self.assertEqual([], result.errors)
 
1513
        self.assertEqual([], result.failures)
 
1514
 
 
1515
    def test_run_disabled_unittest_result(self):
 
1516
        """Test our compatability for disabled tests with unittest results."""
 
1517
        test = SampleTestCase('_test_pass')
 
1518
        class DisabledFeature(object):
 
1519
            def available(self):
 
1520
                return False
 
1521
        test._test_needs_features = [DisabledFeature()]
 
1522
        result = unittest.TestResult()
 
1523
        test.run(result)
 
1524
        self.assertEqual(1, result.testsRun)
 
1525
        self.assertEqual([], result.errors)
 
1526
        self.assertEqual([], result.failures)
 
1527
 
 
1528
    def test_run_disabled_supporting_result(self):
 
1529
        """Test disabled tests behaviour with support aware results."""
 
1530
        test = SampleTestCase('_test_pass')
 
1531
        class DisabledFeature(object):
 
1532
            def __eq__(self, other):
 
1533
                return isinstance(other, DisabledFeature)
 
1534
            def available(self):
 
1535
                return False
 
1536
        the_feature = DisabledFeature()
 
1537
        test._test_needs_features = [the_feature]
 
1538
        class InstrumentedTestResult(unittest.TestResult):
 
1539
            def __init__(self):
 
1540
                unittest.TestResult.__init__(self)
 
1541
                self.calls = []
 
1542
            def startTest(self, test):
 
1543
                self.calls.append(('startTest', test))
 
1544
            def stopTest(self, test):
 
1545
                self.calls.append(('stopTest', test))
 
1546
            def addNotSupported(self, test, feature):
 
1547
                self.calls.append(('addNotSupported', test, feature))
 
1548
        result = InstrumentedTestResult()
 
1549
        test.run(result)
 
1550
        case = result.calls[0][1]
 
1551
        self.assertEqual([
 
1552
            ('startTest', case),
 
1553
            ('addNotSupported', case, the_feature),
 
1554
            ('stopTest', case),
 
1555
            ],
 
1556
            result.calls)
 
1557
 
 
1558
    def test_start_server_registers_url(self):
 
1559
        transport_server = memory.MemoryServer()
 
1560
        # A little strict, but unlikely to be changed soon.
 
1561
        self.assertEqual([], self._bzr_selftest_roots)
 
1562
        self.start_server(transport_server)
 
1563
        self.assertSubset([transport_server.get_url()],
 
1564
            self._bzr_selftest_roots)
 
1565
 
 
1566
    def test_assert_list_raises_on_generator(self):
 
1567
        def generator_which_will_raise():
 
1568
            # This will not raise until after the first yield
 
1569
            yield 1
 
1570
            raise _TestException()
 
1571
 
 
1572
        e = self.assertListRaises(_TestException, generator_which_will_raise)
 
1573
        self.assertIsInstance(e, _TestException)
 
1574
 
 
1575
        e = self.assertListRaises(Exception, generator_which_will_raise)
 
1576
        self.assertIsInstance(e, _TestException)
 
1577
 
 
1578
    def test_assert_list_raises_on_plain(self):
 
1579
        def plain_exception():
 
1580
            raise _TestException()
 
1581
            return []
 
1582
 
 
1583
        e = self.assertListRaises(_TestException, plain_exception)
 
1584
        self.assertIsInstance(e, _TestException)
 
1585
 
 
1586
        e = self.assertListRaises(Exception, plain_exception)
 
1587
        self.assertIsInstance(e, _TestException)
 
1588
 
 
1589
    def test_assert_list_raises_assert_wrong_exception(self):
 
1590
        class _NotTestException(Exception):
 
1591
            pass
 
1592
 
 
1593
        def wrong_exception():
 
1594
            raise _NotTestException()
 
1595
 
 
1596
        def wrong_exception_generator():
 
1597
            yield 1
 
1598
            yield 2
 
1599
            raise _NotTestException()
 
1600
 
 
1601
        # Wrong exceptions are not intercepted
 
1602
        self.assertRaises(_NotTestException,
 
1603
            self.assertListRaises, _TestException, wrong_exception)
 
1604
        self.assertRaises(_NotTestException,
 
1605
            self.assertListRaises, _TestException, wrong_exception_generator)
 
1606
 
 
1607
    def test_assert_list_raises_no_exception(self):
 
1608
        def success():
 
1609
            return []
 
1610
 
 
1611
        def success_generator():
 
1612
            yield 1
 
1613
            yield 2
 
1614
 
 
1615
        self.assertRaises(AssertionError,
 
1616
            self.assertListRaises, _TestException, success)
 
1617
 
 
1618
        self.assertRaises(AssertionError,
 
1619
            self.assertListRaises, _TestException, success_generator)
 
1620
 
 
1621
    def test_overrideAttr_without_value(self):
 
1622
        self.test_attr = 'original' # Define a test attribute
 
1623
        obj = self # Make 'obj' visible to the embedded test
 
1624
        class Test(tests.TestCase):
 
1625
 
 
1626
            def setUp(self):
 
1627
                tests.TestCase.setUp(self)
 
1628
                self.orig = self.overrideAttr(obj, 'test_attr')
 
1629
 
 
1630
            def test_value(self):
 
1631
                self.assertEqual('original', self.orig)
 
1632
                self.assertEqual('original', obj.test_attr)
 
1633
                obj.test_attr = 'modified'
 
1634
                self.assertEqual('modified', obj.test_attr)
 
1635
 
 
1636
        test = Test('test_value')
 
1637
        test.run(unittest.TestResult())
 
1638
        self.assertEqual('original', obj.test_attr)
 
1639
 
 
1640
    def test_overrideAttr_with_value(self):
 
1641
        self.test_attr = 'original' # Define a test attribute
 
1642
        obj = self # Make 'obj' visible to the embedded test
 
1643
        class Test(tests.TestCase):
 
1644
 
 
1645
            def setUp(self):
 
1646
                tests.TestCase.setUp(self)
 
1647
                self.orig = self.overrideAttr(obj, 'test_attr', new='modified')
 
1648
 
 
1649
            def test_value(self):
 
1650
                self.assertEqual('original', self.orig)
 
1651
                self.assertEqual('modified', obj.test_attr)
 
1652
 
 
1653
        test = Test('test_value')
 
1654
        test.run(unittest.TestResult())
 
1655
        self.assertEqual('original', obj.test_attr)
 
1656
 
 
1657
 
 
1658
class TestTestCloning(tests.TestCase):
 
1659
    """Tests that test cloning of TestCases (as used by multiply_tests)."""
 
1660
 
 
1661
    def test_cloned_testcase_does_not_share_details(self):
 
1662
        """A TestCase cloned with clone_test does not share mutable attributes
 
1663
        such as details or cleanups.
 
1664
        """
 
1665
        class Test(tests.TestCase):
 
1666
            def test_foo(self):
 
1667
                self.addDetail('foo', Content('text/plain', lambda: 'foo'))
 
1668
        orig_test = Test('test_foo')
 
1669
        cloned_test = tests.clone_test(orig_test, orig_test.id() + '(cloned)')
 
1670
        orig_test.run(unittest.TestResult())
 
1671
        self.assertEqual('foo', orig_test.getDetails()['foo'].iter_bytes())
 
1672
        self.assertEqual(None, cloned_test.getDetails().get('foo'))
 
1673
 
 
1674
    def test_double_apply_scenario_preserves_first_scenario(self):
 
1675
        """Applying two levels of scenarios to a test preserves the attributes
 
1676
        added by both scenarios.
 
1677
        """
 
1678
        class Test(tests.TestCase):
 
1679
            def test_foo(self):
 
1680
                pass
 
1681
        test = Test('test_foo')
 
1682
        scenarios_x = [('x=1', {'x': 1}), ('x=2', {'x': 2})]
 
1683
        scenarios_y = [('y=1', {'y': 1}), ('y=2', {'y': 2})]
 
1684
        suite = tests.multiply_tests(test, scenarios_x, unittest.TestSuite())
 
1685
        suite = tests.multiply_tests(suite, scenarios_y, unittest.TestSuite())
 
1686
        all_tests = list(tests.iter_suite_tests(suite))
 
1687
        self.assertLength(4, all_tests)
 
1688
        all_xys = sorted((t.x, t.y) for t in all_tests)
 
1689
        self.assertEqual([(1, 1), (1, 2), (2, 1), (2, 2)], all_xys)
 
1690
 
 
1691
 
 
1692
# NB: Don't delete this; it's not actually from 0.11!
 
1693
@deprecated_function(deprecated_in((0, 11, 0)))
 
1694
def sample_deprecated_function():
 
1695
    """A deprecated function to test applyDeprecated with."""
 
1696
    return 2
 
1697
 
 
1698
 
 
1699
def sample_undeprecated_function(a_param):
 
1700
    """A undeprecated function to test applyDeprecated with."""
 
1701
 
 
1702
 
 
1703
class ApplyDeprecatedHelper(object):
 
1704
    """A helper class for ApplyDeprecated tests."""
 
1705
 
 
1706
    @deprecated_method(deprecated_in((0, 11, 0)))
 
1707
    def sample_deprecated_method(self, param_one):
 
1708
        """A deprecated method for testing with."""
 
1709
        return param_one
 
1710
 
 
1711
    def sample_normal_method(self):
 
1712
        """A undeprecated method."""
 
1713
 
 
1714
    @deprecated_method(deprecated_in((0, 10, 0)))
 
1715
    def sample_nested_deprecation(self):
 
1716
        return sample_deprecated_function()
 
1717
 
 
1718
 
 
1719
class TestExtraAssertions(tests.TestCase):
 
1720
    """Tests for new test assertions in bzrlib test suite"""
 
1721
 
 
1722
    def test_assert_isinstance(self):
 
1723
        self.assertIsInstance(2, int)
 
1724
        self.assertIsInstance(u'', basestring)
 
1725
        e = self.assertRaises(AssertionError, self.assertIsInstance, None, int)
 
1726
        self.assertEquals(str(e),
 
1727
            "None is an instance of <type 'NoneType'> rather than <type 'int'>")
 
1728
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
 
1729
        e = self.assertRaises(AssertionError,
 
1730
            self.assertIsInstance, None, int, "it's just not")
 
1731
        self.assertEquals(str(e),
 
1732
            "None is an instance of <type 'NoneType'> rather than <type 'int'>"
 
1733
            ": it's just not")
 
1734
 
 
1735
    def test_assertEndsWith(self):
 
1736
        self.assertEndsWith('foo', 'oo')
 
1737
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
 
1738
 
 
1739
    def test_assertEqualDiff(self):
 
1740
        e = self.assertRaises(AssertionError,
 
1741
                              self.assertEqualDiff, '', '\n')
 
1742
        self.assertEquals(str(e),
 
1743
                          # Don't blink ! The '+' applies to the second string
 
1744
                          'first string is missing a final newline.\n+ \n')
 
1745
        e = self.assertRaises(AssertionError,
 
1746
                              self.assertEqualDiff, '\n', '')
 
1747
        self.assertEquals(str(e),
 
1748
                          # Don't blink ! The '-' applies to the second string
 
1749
                          'second string is missing a final newline.\n- \n')
 
1750
 
 
1751
 
 
1752
class TestDeprecations(tests.TestCase):
 
1753
 
 
1754
    def test_applyDeprecated_not_deprecated(self):
 
1755
        sample_object = ApplyDeprecatedHelper()
 
1756
        # calling an undeprecated callable raises an assertion
 
1757
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1758
            deprecated_in((0, 11, 0)),
 
1759
            sample_object.sample_normal_method)
 
1760
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1761
            deprecated_in((0, 11, 0)),
 
1762
            sample_undeprecated_function, "a param value")
 
1763
        # calling a deprecated callable (function or method) with the wrong
 
1764
        # expected deprecation fails.
 
1765
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1766
            deprecated_in((0, 10, 0)),
 
1767
            sample_object.sample_deprecated_method, "a param value")
 
1768
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1769
            deprecated_in((0, 10, 0)),
 
1770
            sample_deprecated_function)
 
1771
        # calling a deprecated callable (function or method) with the right
 
1772
        # expected deprecation returns the functions result.
 
1773
        self.assertEqual("a param value",
 
1774
            self.applyDeprecated(deprecated_in((0, 11, 0)),
 
1775
            sample_object.sample_deprecated_method, "a param value"))
 
1776
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 11, 0)),
 
1777
            sample_deprecated_function))
 
1778
        # calling a nested deprecation with the wrong deprecation version
 
1779
        # fails even if a deeper nested function was deprecated with the
 
1780
        # supplied version.
 
1781
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1782
            deprecated_in((0, 11, 0)), sample_object.sample_nested_deprecation)
 
1783
        # calling a nested deprecation with the right deprecation value
 
1784
        # returns the calls result.
 
1785
        self.assertEqual(2, self.applyDeprecated(deprecated_in((0, 10, 0)),
 
1786
            sample_object.sample_nested_deprecation))
 
1787
 
 
1788
    def test_callDeprecated(self):
 
1789
        def testfunc(be_deprecated, result=None):
 
1790
            if be_deprecated is True:
 
1791
                symbol_versioning.warn('i am deprecated', DeprecationWarning,
 
1792
                                       stacklevel=1)
 
1793
            return result
 
1794
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
 
1795
        self.assertIs(None, result)
 
1796
        result = self.callDeprecated([], testfunc, False, 'result')
 
1797
        self.assertEqual('result', result)
 
1798
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
 
1799
        self.callDeprecated([], testfunc, be_deprecated=False)
 
1800
 
 
1801
 
 
1802
class TestWarningTests(tests.TestCase):
 
1803
    """Tests for calling methods that raise warnings."""
 
1804
 
 
1805
    def test_callCatchWarnings(self):
 
1806
        def meth(a, b):
 
1807
            warnings.warn("this is your last warning")
 
1808
            return a + b
 
1809
        wlist, result = self.callCatchWarnings(meth, 1, 2)
 
1810
        self.assertEquals(3, result)
 
1811
        # would like just to compare them, but UserWarning doesn't implement
 
1812
        # eq well
 
1813
        w0, = wlist
 
1814
        self.assertIsInstance(w0, UserWarning)
 
1815
        self.assertEquals("this is your last warning", str(w0))
 
1816
 
 
1817
 
 
1818
class TestConvenienceMakers(tests.TestCaseWithTransport):
 
1819
    """Test for the make_* convenience functions."""
 
1820
 
 
1821
    def test_make_branch_and_tree_with_format(self):
 
1822
        # we should be able to supply a format to make_branch_and_tree
 
1823
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
 
1824
        self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
 
1825
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
 
1826
                              bzrlib.bzrdir.BzrDirMetaFormat1)
 
1827
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
 
1828
                              bzrlib.bzrdir.BzrDirFormat6)
 
1829
 
 
1830
    def test_make_branch_and_memory_tree(self):
 
1831
        # we should be able to get a new branch and a mutable tree from
 
1832
        # TestCaseWithTransport
 
1833
        tree = self.make_branch_and_memory_tree('a')
 
1834
        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
 
1835
 
 
1836
    def test_make_tree_for_local_vfs_backed_transport(self):
 
1837
        # make_branch_and_tree has to use local branch and repositories
 
1838
        # when the vfs transport and local disk are colocated, even if
 
1839
        # a different transport is in use for url generation.
 
1840
        self.transport_server = test_server.FakeVFATServer
 
1841
        self.assertFalse(self.get_url('t1').startswith('file://'))
 
1842
        tree = self.make_branch_and_tree('t1')
 
1843
        base = tree.bzrdir.root_transport.base
 
1844
        self.assertStartsWith(base, 'file://')
 
1845
        self.assertEquals(tree.bzrdir.root_transport,
 
1846
                tree.branch.bzrdir.root_transport)
 
1847
        self.assertEquals(tree.bzrdir.root_transport,
 
1848
                tree.branch.repository.bzrdir.root_transport)
 
1849
 
 
1850
 
 
1851
class SelfTestHelper:
 
1852
 
 
1853
    def run_selftest(self, **kwargs):
 
1854
        """Run selftest returning its output."""
 
1855
        output = StringIO()
 
1856
        old_transport = bzrlib.tests.default_transport
 
1857
        old_root = tests.TestCaseWithMemoryTransport.TEST_ROOT
 
1858
        tests.TestCaseWithMemoryTransport.TEST_ROOT = None
 
1859
        try:
 
1860
            self.assertEqual(True, tests.selftest(stream=output, **kwargs))
 
1861
        finally:
 
1862
            bzrlib.tests.default_transport = old_transport
 
1863
            tests.TestCaseWithMemoryTransport.TEST_ROOT = old_root
 
1864
        output.seek(0)
 
1865
        return output
 
1866
 
 
1867
 
 
1868
class TestSelftest(tests.TestCase, SelfTestHelper):
 
1869
    """Tests of bzrlib.tests.selftest."""
 
1870
 
 
1871
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
 
1872
        factory_called = []
 
1873
        def factory():
 
1874
            factory_called.append(True)
 
1875
            return TestUtil.TestSuite()
 
1876
        out = StringIO()
 
1877
        err = StringIO()
 
1878
        self.apply_redirected(out, err, None, bzrlib.tests.selftest,
 
1879
            test_suite_factory=factory)
 
1880
        self.assertEqual([True], factory_called)
 
1881
 
 
1882
    def factory(self):
 
1883
        """A test suite factory."""
 
1884
        class Test(tests.TestCase):
 
1885
            def a(self):
 
1886
                pass
 
1887
            def b(self):
 
1888
                pass
 
1889
            def c(self):
 
1890
                pass
 
1891
        return TestUtil.TestSuite([Test("a"), Test("b"), Test("c")])
 
1892
 
 
1893
    def test_list_only(self):
 
1894
        output = self.run_selftest(test_suite_factory=self.factory,
 
1895
            list_only=True)
 
1896
        self.assertEqual(3, len(output.readlines()))
 
1897
 
 
1898
    def test_list_only_filtered(self):
 
1899
        output = self.run_selftest(test_suite_factory=self.factory,
 
1900
            list_only=True, pattern="Test.b")
 
1901
        self.assertEndsWith(output.getvalue(), "Test.b\n")
 
1902
        self.assertLength(1, output.readlines())
 
1903
 
 
1904
    def test_list_only_excludes(self):
 
1905
        output = self.run_selftest(test_suite_factory=self.factory,
 
1906
            list_only=True, exclude_pattern="Test.b")
 
1907
        self.assertNotContainsRe("Test.b", output.getvalue())
 
1908
        self.assertLength(2, output.readlines())
 
1909
 
 
1910
    def test_lsprof_tests(self):
 
1911
        self.requireFeature(test_lsprof.LSProfFeature)
 
1912
        calls = []
 
1913
        class Test(object):
 
1914
            def __call__(test, result):
 
1915
                test.run(result)
 
1916
            def run(test, result):
 
1917
                self.assertIsInstance(result, tests.ForwardingResult)
 
1918
                calls.append("called")
 
1919
            def countTestCases(self):
 
1920
                return 1
 
1921
        self.run_selftest(test_suite_factory=Test, lsprof_tests=True)
 
1922
        self.assertLength(1, calls)
 
1923
 
 
1924
    def test_random(self):
 
1925
        # test randomising by listing a number of tests.
 
1926
        output_123 = self.run_selftest(test_suite_factory=self.factory,
 
1927
            list_only=True, random_seed="123")
 
1928
        output_234 = self.run_selftest(test_suite_factory=self.factory,
 
1929
            list_only=True, random_seed="234")
 
1930
        self.assertNotEqual(output_123, output_234)
 
1931
        # "Randominzing test order..\n\n
 
1932
        self.assertLength(5, output_123.readlines())
 
1933
        self.assertLength(5, output_234.readlines())
 
1934
 
 
1935
    def test_random_reuse_is_same_order(self):
 
1936
        # test randomising by listing a number of tests.
 
1937
        expected = self.run_selftest(test_suite_factory=self.factory,
 
1938
            list_only=True, random_seed="123")
 
1939
        repeated = self.run_selftest(test_suite_factory=self.factory,
 
1940
            list_only=True, random_seed="123")
 
1941
        self.assertEqual(expected.getvalue(), repeated.getvalue())
 
1942
 
 
1943
    def test_runner_class(self):
 
1944
        self.requireFeature(features.subunit)
 
1945
        from subunit import ProtocolTestCase
 
1946
        stream = self.run_selftest(runner_class=tests.SubUnitBzrRunner,
 
1947
            test_suite_factory=self.factory)
 
1948
        test = ProtocolTestCase(stream)
 
1949
        result = unittest.TestResult()
 
1950
        test.run(result)
 
1951
        self.assertEqual(3, result.testsRun)
 
1952
 
 
1953
    def test_starting_with_single_argument(self):
 
1954
        output = self.run_selftest(test_suite_factory=self.factory,
 
1955
            starting_with=['bzrlib.tests.test_selftest.Test.a'],
 
1956
            list_only=True)
 
1957
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n',
 
1958
            output.getvalue())
 
1959
 
 
1960
    def test_starting_with_multiple_argument(self):
 
1961
        output = self.run_selftest(test_suite_factory=self.factory,
 
1962
            starting_with=['bzrlib.tests.test_selftest.Test.a',
 
1963
                'bzrlib.tests.test_selftest.Test.b'],
 
1964
            list_only=True)
 
1965
        self.assertEqual('bzrlib.tests.test_selftest.Test.a\n'
 
1966
            'bzrlib.tests.test_selftest.Test.b\n',
 
1967
            output.getvalue())
 
1968
 
 
1969
    def check_transport_set(self, transport_server):
 
1970
        captured_transport = []
 
1971
        def seen_transport(a_transport):
 
1972
            captured_transport.append(a_transport)
 
1973
        class Capture(tests.TestCase):
 
1974
            def a(self):
 
1975
                seen_transport(bzrlib.tests.default_transport)
 
1976
        def factory():
 
1977
            return TestUtil.TestSuite([Capture("a")])
 
1978
        self.run_selftest(transport=transport_server, test_suite_factory=factory)
 
1979
        self.assertEqual(transport_server, captured_transport[0])
 
1980
 
 
1981
    def test_transport_sftp(self):
 
1982
        self.requireFeature(features.paramiko)
 
1983
        from bzrlib.tests import stub_sftp
 
1984
        self.check_transport_set(stub_sftp.SFTPAbsoluteServer)
 
1985
 
 
1986
    def test_transport_memory(self):
 
1987
        self.check_transport_set(memory.MemoryServer)
 
1988
 
 
1989
 
 
1990
class TestSelftestWithIdList(tests.TestCaseInTempDir, SelfTestHelper):
 
1991
    # Does IO: reads test.list
 
1992
 
 
1993
    def test_load_list(self):
 
1994
        # Provide a list with one test - this test.
 
1995
        test_id_line = '%s\n' % self.id()
 
1996
        self.build_tree_contents([('test.list', test_id_line)])
 
1997
        # And generate a list of the tests in  the suite.
 
1998
        stream = self.run_selftest(load_list='test.list', list_only=True)
 
1999
        self.assertEqual(test_id_line, stream.getvalue())
 
2000
 
 
2001
    def test_load_unknown(self):
 
2002
        # Provide a list with one test - this test.
 
2003
        # And generate a list of the tests in  the suite.
 
2004
        err = self.assertRaises(errors.NoSuchFile, self.run_selftest,
 
2005
            load_list='missing file name', list_only=True)
 
2006
 
 
2007
 
 
2008
class TestRunBzr(tests.TestCase):
 
2009
 
 
2010
    out = ''
 
2011
    err = ''
 
2012
 
 
2013
    def _run_bzr_core(self, argv, retcode=0, encoding=None, stdin=None,
 
2014
                         working_dir=None):
 
2015
        """Override _run_bzr_core to test how it is invoked by run_bzr.
 
2016
 
 
2017
        Attempts to run bzr from inside this class don't actually run it.
 
2018
 
 
2019
        We test how run_bzr actually invokes bzr in another location.  Here we
 
2020
        only need to test that it passes the right parameters to run_bzr.
 
2021
        """
 
2022
        self.argv = list(argv)
 
2023
        self.retcode = retcode
 
2024
        self.encoding = encoding
 
2025
        self.stdin = stdin
 
2026
        self.working_dir = working_dir
 
2027
        return self.retcode, self.out, self.err
 
2028
 
 
2029
    def test_run_bzr_error(self):
 
2030
        self.out = "It sure does!\n"
 
2031
        out, err = self.run_bzr_error(['^$'], ['rocks'], retcode=34)
 
2032
        self.assertEqual(['rocks'], self.argv)
 
2033
        self.assertEqual(34, self.retcode)
 
2034
        self.assertEqual('It sure does!\n', out)
 
2035
        self.assertEquals(out, self.out)
 
2036
        self.assertEqual('', err)
 
2037
        self.assertEquals(err, self.err)
 
2038
 
 
2039
    def test_run_bzr_error_regexes(self):
 
2040
        self.out = ''
 
2041
        self.err = "bzr: ERROR: foobarbaz is not versioned"
 
2042
        out, err = self.run_bzr_error(
 
2043
            ["bzr: ERROR: foobarbaz is not versioned"],
 
2044
            ['file-id', 'foobarbaz'])
 
2045
 
 
2046
    def test_encoding(self):
 
2047
        """Test that run_bzr passes encoding to _run_bzr_core"""
 
2048
        self.run_bzr('foo bar')
 
2049
        self.assertEqual(None, self.encoding)
 
2050
        self.assertEqual(['foo', 'bar'], self.argv)
 
2051
 
 
2052
        self.run_bzr('foo bar', encoding='baz')
 
2053
        self.assertEqual('baz', self.encoding)
 
2054
        self.assertEqual(['foo', 'bar'], self.argv)
 
2055
 
 
2056
    def test_retcode(self):
 
2057
        """Test that run_bzr passes retcode to _run_bzr_core"""
 
2058
        # Default is retcode == 0
 
2059
        self.run_bzr('foo bar')
 
2060
        self.assertEqual(0, self.retcode)
 
2061
        self.assertEqual(['foo', 'bar'], self.argv)
 
2062
 
 
2063
        self.run_bzr('foo bar', retcode=1)
 
2064
        self.assertEqual(1, self.retcode)
 
2065
        self.assertEqual(['foo', 'bar'], self.argv)
 
2066
 
 
2067
        self.run_bzr('foo bar', retcode=None)
 
2068
        self.assertEqual(None, self.retcode)
 
2069
        self.assertEqual(['foo', 'bar'], self.argv)
 
2070
 
 
2071
        self.run_bzr(['foo', 'bar'], retcode=3)
 
2072
        self.assertEqual(3, self.retcode)
 
2073
        self.assertEqual(['foo', 'bar'], self.argv)
 
2074
 
 
2075
    def test_stdin(self):
 
2076
        # test that the stdin keyword to run_bzr is passed through to
 
2077
        # _run_bzr_core as-is. We do this by overriding
 
2078
        # _run_bzr_core in this class, and then calling run_bzr,
 
2079
        # which is a convenience function for _run_bzr_core, so
 
2080
        # should invoke it.
 
2081
        self.run_bzr('foo bar', stdin='gam')
 
2082
        self.assertEqual('gam', self.stdin)
 
2083
        self.assertEqual(['foo', 'bar'], self.argv)
 
2084
 
 
2085
        self.run_bzr('foo bar', stdin='zippy')
 
2086
        self.assertEqual('zippy', self.stdin)
 
2087
        self.assertEqual(['foo', 'bar'], self.argv)
 
2088
 
 
2089
    def test_working_dir(self):
 
2090
        """Test that run_bzr passes working_dir to _run_bzr_core"""
 
2091
        self.run_bzr('foo bar')
 
2092
        self.assertEqual(None, self.working_dir)
 
2093
        self.assertEqual(['foo', 'bar'], self.argv)
 
2094
 
 
2095
        self.run_bzr('foo bar', working_dir='baz')
 
2096
        self.assertEqual('baz', self.working_dir)
 
2097
        self.assertEqual(['foo', 'bar'], self.argv)
 
2098
 
 
2099
    def test_reject_extra_keyword_arguments(self):
 
2100
        self.assertRaises(TypeError, self.run_bzr, "foo bar",
 
2101
                          error_regex=['error message'])
 
2102
 
 
2103
 
 
2104
class TestRunBzrCaptured(tests.TestCaseWithTransport):
 
2105
    # Does IO when testing the working_dir parameter.
 
2106
 
 
2107
    def apply_redirected(self, stdin=None, stdout=None, stderr=None,
 
2108
                         a_callable=None, *args, **kwargs):
 
2109
        self.stdin = stdin
 
2110
        self.factory_stdin = getattr(bzrlib.ui.ui_factory, "stdin", None)
 
2111
        self.factory = bzrlib.ui.ui_factory
 
2112
        self.working_dir = osutils.getcwd()
 
2113
        stdout.write('foo\n')
 
2114
        stderr.write('bar\n')
 
2115
        return 0
 
2116
 
 
2117
    def test_stdin(self):
 
2118
        # test that the stdin keyword to _run_bzr_core is passed through to
 
2119
        # apply_redirected as a StringIO. We do this by overriding
 
2120
        # apply_redirected in this class, and then calling _run_bzr_core,
 
2121
        # which calls apply_redirected.
 
2122
        self.run_bzr(['foo', 'bar'], stdin='gam')
 
2123
        self.assertEqual('gam', self.stdin.read())
 
2124
        self.assertTrue(self.stdin is self.factory_stdin)
 
2125
        self.run_bzr(['foo', 'bar'], stdin='zippy')
 
2126
        self.assertEqual('zippy', self.stdin.read())
 
2127
        self.assertTrue(self.stdin is self.factory_stdin)
 
2128
 
 
2129
    def test_ui_factory(self):
 
2130
        # each invocation of self.run_bzr should get its
 
2131
        # own UI factory, which is an instance of TestUIFactory,
 
2132
        # with stdin, stdout and stderr attached to the stdin,
 
2133
        # stdout and stderr of the invoked run_bzr
 
2134
        current_factory = bzrlib.ui.ui_factory
 
2135
        self.run_bzr(['foo'])
 
2136
        self.failIf(current_factory is self.factory)
 
2137
        self.assertNotEqual(sys.stdout, self.factory.stdout)
 
2138
        self.assertNotEqual(sys.stderr, self.factory.stderr)
 
2139
        self.assertEqual('foo\n', self.factory.stdout.getvalue())
 
2140
        self.assertEqual('bar\n', self.factory.stderr.getvalue())
 
2141
        self.assertIsInstance(self.factory, tests.TestUIFactory)
 
2142
 
 
2143
    def test_working_dir(self):
 
2144
        self.build_tree(['one/', 'two/'])
 
2145
        cwd = osutils.getcwd()
 
2146
 
 
2147
        # Default is to work in the current directory
 
2148
        self.run_bzr(['foo', 'bar'])
 
2149
        self.assertEqual(cwd, self.working_dir)
 
2150
 
 
2151
        self.run_bzr(['foo', 'bar'], working_dir=None)
 
2152
        self.assertEqual(cwd, self.working_dir)
 
2153
 
 
2154
        # The function should be run in the alternative directory
 
2155
        # but afterwards the current working dir shouldn't be changed
 
2156
        self.run_bzr(['foo', 'bar'], working_dir='one')
 
2157
        self.assertNotEqual(cwd, self.working_dir)
 
2158
        self.assertEndsWith(self.working_dir, 'one')
 
2159
        self.assertEqual(cwd, osutils.getcwd())
 
2160
 
 
2161
        self.run_bzr(['foo', 'bar'], working_dir='two')
 
2162
        self.assertNotEqual(cwd, self.working_dir)
 
2163
        self.assertEndsWith(self.working_dir, 'two')
 
2164
        self.assertEqual(cwd, osutils.getcwd())
 
2165
 
 
2166
 
 
2167
class StubProcess(object):
 
2168
    """A stub process for testing run_bzr_subprocess."""
 
2169
    
 
2170
    def __init__(self, out="", err="", retcode=0):
 
2171
        self.out = out
 
2172
        self.err = err
 
2173
        self.returncode = retcode
 
2174
 
 
2175
    def communicate(self):
 
2176
        return self.out, self.err
 
2177
 
 
2178
 
 
2179
class TestWithFakedStartBzrSubprocess(tests.TestCaseWithTransport):
 
2180
    """Base class for tests testing how we might run bzr."""
 
2181
 
 
2182
    def setUp(self):
 
2183
        tests.TestCaseWithTransport.setUp(self)
 
2184
        self.subprocess_calls = []
 
2185
 
 
2186
    def start_bzr_subprocess(self, process_args, env_changes=None,
 
2187
                             skip_if_plan_to_signal=False,
 
2188
                             working_dir=None,
 
2189
                             allow_plugins=False):
 
2190
        """capture what run_bzr_subprocess tries to do."""
 
2191
        self.subprocess_calls.append({'process_args':process_args,
 
2192
            'env_changes':env_changes,
 
2193
            'skip_if_plan_to_signal':skip_if_plan_to_signal,
 
2194
            'working_dir':working_dir, 'allow_plugins':allow_plugins})
 
2195
        return self.next_subprocess
 
2196
 
 
2197
 
 
2198
class TestRunBzrSubprocess(TestWithFakedStartBzrSubprocess):
 
2199
 
 
2200
    def assertRunBzrSubprocess(self, expected_args, process, *args, **kwargs):
 
2201
        """Run run_bzr_subprocess with args and kwargs using a stubbed process.
 
2202
 
 
2203
        Inside TestRunBzrSubprocessCommands we use a stub start_bzr_subprocess
 
2204
        that will return static results. This assertion method populates those
 
2205
        results and also checks the arguments run_bzr_subprocess generates.
 
2206
        """
 
2207
        self.next_subprocess = process
 
2208
        try:
 
2209
            result = self.run_bzr_subprocess(*args, **kwargs)
 
2210
        except:
 
2211
            self.next_subprocess = None
 
2212
            for key, expected in expected_args.iteritems():
 
2213
                self.assertEqual(expected, self.subprocess_calls[-1][key])
 
2214
            raise
 
2215
        else:
 
2216
            self.next_subprocess = None
 
2217
            for key, expected in expected_args.iteritems():
 
2218
                self.assertEqual(expected, self.subprocess_calls[-1][key])
 
2219
            return result
 
2220
 
 
2221
    def test_run_bzr_subprocess(self):
 
2222
        """The run_bzr_helper_external command behaves nicely."""
 
2223
        self.assertRunBzrSubprocess({'process_args':['--version']},
 
2224
            StubProcess(), '--version')
 
2225
        self.assertRunBzrSubprocess({'process_args':['--version']},
 
2226
            StubProcess(), ['--version'])
 
2227
        # retcode=None disables retcode checking
 
2228
        result = self.assertRunBzrSubprocess({},
 
2229
            StubProcess(retcode=3), '--version', retcode=None)
 
2230
        result = self.assertRunBzrSubprocess({},
 
2231
            StubProcess(out="is free software"), '--version')
 
2232
        self.assertContainsRe(result[0], 'is free software')
 
2233
        # Running a subcommand that is missing errors
 
2234
        self.assertRaises(AssertionError, self.assertRunBzrSubprocess,
 
2235
            {'process_args':['--versionn']}, StubProcess(retcode=3),
 
2236
            '--versionn')
 
2237
        # Unless it is told to expect the error from the subprocess
 
2238
        result = self.assertRunBzrSubprocess({},
 
2239
            StubProcess(retcode=3), '--versionn', retcode=3)
 
2240
        # Or to ignore retcode checking
 
2241
        result = self.assertRunBzrSubprocess({},
 
2242
            StubProcess(err="unknown command", retcode=3), '--versionn',
 
2243
            retcode=None)
 
2244
        self.assertContainsRe(result[1], 'unknown command')
 
2245
 
 
2246
    def test_env_change_passes_through(self):
 
2247
        self.assertRunBzrSubprocess(
 
2248
            {'env_changes':{'new':'value', 'changed':'newvalue', 'deleted':None}},
 
2249
            StubProcess(), '',
 
2250
            env_changes={'new':'value', 'changed':'newvalue', 'deleted':None})
 
2251
 
 
2252
    def test_no_working_dir_passed_as_None(self):
 
2253
        self.assertRunBzrSubprocess({'working_dir': None}, StubProcess(), '')
 
2254
 
 
2255
    def test_no_working_dir_passed_through(self):
 
2256
        self.assertRunBzrSubprocess({'working_dir': 'dir'}, StubProcess(), '',
 
2257
            working_dir='dir')
 
2258
 
 
2259
    def test_run_bzr_subprocess_no_plugins(self):
 
2260
        self.assertRunBzrSubprocess({'allow_plugins': False},
 
2261
            StubProcess(), '')
 
2262
 
 
2263
    def test_allow_plugins(self):
 
2264
        self.assertRunBzrSubprocess({'allow_plugins': True},
 
2265
            StubProcess(), '', allow_plugins=True)
 
2266
 
 
2267
 
 
2268
class TestFinishBzrSubprocess(TestWithFakedStartBzrSubprocess):
 
2269
 
 
2270
    def test_finish_bzr_subprocess_with_error(self):
 
2271
        """finish_bzr_subprocess allows specification of the desired exit code.
 
2272
        """
 
2273
        process = StubProcess(err="unknown command", retcode=3)
 
2274
        result = self.finish_bzr_subprocess(process, retcode=3)
 
2275
        self.assertEqual('', result[0])
 
2276
        self.assertContainsRe(result[1], 'unknown command')
 
2277
 
 
2278
    def test_finish_bzr_subprocess_ignoring_retcode(self):
 
2279
        """finish_bzr_subprocess allows the exit code to be ignored."""
 
2280
        process = StubProcess(err="unknown command", retcode=3)
 
2281
        result = self.finish_bzr_subprocess(process, retcode=None)
 
2282
        self.assertEqual('', result[0])
 
2283
        self.assertContainsRe(result[1], 'unknown command')
 
2284
 
 
2285
    def test_finish_subprocess_with_unexpected_retcode(self):
 
2286
        """finish_bzr_subprocess raises self.failureException if the retcode is
 
2287
        not the expected one.
 
2288
        """
 
2289
        process = StubProcess(err="unknown command", retcode=3)
 
2290
        self.assertRaises(self.failureException, self.finish_bzr_subprocess,
 
2291
                          process)
 
2292
 
 
2293
 
 
2294
class _DontSpawnProcess(Exception):
 
2295
    """A simple exception which just allows us to skip unnecessary steps"""
 
2296
 
 
2297
 
 
2298
class TestStartBzrSubProcess(tests.TestCase):
 
2299
 
 
2300
    def check_popen_state(self):
 
2301
        """Replace to make assertions when popen is called."""
 
2302
 
 
2303
    def _popen(self, *args, **kwargs):
 
2304
        """Record the command that is run, so that we can ensure it is correct"""
 
2305
        self.check_popen_state()
 
2306
        self._popen_args = args
 
2307
        self._popen_kwargs = kwargs
 
2308
        raise _DontSpawnProcess()
 
2309
 
 
2310
    def test_run_bzr_subprocess_no_plugins(self):
 
2311
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [])
 
2312
        command = self._popen_args[0]
 
2313
        self.assertEqual(sys.executable, command[0])
 
2314
        self.assertEqual(self.get_bzr_path(), command[1])
 
2315
        self.assertEqual(['--no-plugins'], command[2:])
 
2316
 
 
2317
    def test_allow_plugins(self):
 
2318
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2319
            allow_plugins=True)
 
2320
        command = self._popen_args[0]
 
2321
        self.assertEqual([], command[2:])
 
2322
 
 
2323
    def test_set_env(self):
 
2324
        self.failIf('EXISTANT_ENV_VAR' in os.environ)
 
2325
        # set in the child
 
2326
        def check_environment():
 
2327
            self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
 
2328
        self.check_popen_state = check_environment
 
2329
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2330
            env_changes={'EXISTANT_ENV_VAR':'set variable'})
 
2331
        # not set in theparent
 
2332
        self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
 
2333
 
 
2334
    def test_run_bzr_subprocess_env_del(self):
 
2335
        """run_bzr_subprocess can remove environment variables too."""
 
2336
        self.failIf('EXISTANT_ENV_VAR' in os.environ)
 
2337
        def check_environment():
 
2338
            self.assertFalse('EXISTANT_ENV_VAR' in os.environ)
 
2339
        os.environ['EXISTANT_ENV_VAR'] = 'set variable'
 
2340
        self.check_popen_state = check_environment
 
2341
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2342
            env_changes={'EXISTANT_ENV_VAR':None})
 
2343
        # Still set in parent
 
2344
        self.assertEqual('set variable', os.environ['EXISTANT_ENV_VAR'])
 
2345
        del os.environ['EXISTANT_ENV_VAR']
 
2346
 
 
2347
    def test_env_del_missing(self):
 
2348
        self.failIf('NON_EXISTANT_ENV_VAR' in os.environ)
 
2349
        def check_environment():
 
2350
            self.assertFalse('NON_EXISTANT_ENV_VAR' in os.environ)
 
2351
        self.check_popen_state = check_environment
 
2352
        self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2353
            env_changes={'NON_EXISTANT_ENV_VAR':None})
 
2354
 
 
2355
    def test_working_dir(self):
 
2356
        """Test that we can specify the working dir for the child"""
 
2357
        orig_getcwd = osutils.getcwd
 
2358
        orig_chdir = os.chdir
 
2359
        chdirs = []
 
2360
        def chdir(path):
 
2361
            chdirs.append(path)
 
2362
        os.chdir = chdir
 
2363
        try:
 
2364
            def getcwd():
 
2365
                return 'current'
 
2366
            osutils.getcwd = getcwd
 
2367
            try:
 
2368
                self.assertRaises(_DontSpawnProcess, self.start_bzr_subprocess, [],
 
2369
                    working_dir='foo')
 
2370
            finally:
 
2371
                osutils.getcwd = orig_getcwd
 
2372
        finally:
 
2373
            os.chdir = orig_chdir
 
2374
        self.assertEqual(['foo', 'current'], chdirs)
 
2375
 
 
2376
 
 
2377
class TestActuallyStartBzrSubprocess(tests.TestCaseWithTransport):
 
2378
    """Tests that really need to do things with an external bzr."""
 
2379
 
 
2380
    def test_start_and_stop_bzr_subprocess_send_signal(self):
 
2381
        """finish_bzr_subprocess raises self.failureException if the retcode is
 
2382
        not the expected one.
 
2383
        """
 
2384
        self.disable_missing_extensions_warning()
 
2385
        process = self.start_bzr_subprocess(['wait-until-signalled'],
 
2386
                                            skip_if_plan_to_signal=True)
 
2387
        self.assertEqual('running\n', process.stdout.readline())
 
2388
        result = self.finish_bzr_subprocess(process, send_signal=signal.SIGINT,
 
2389
                                            retcode=3)
 
2390
        self.assertEqual('', result[0])
 
2391
        self.assertEqual('bzr: interrupted\n', result[1])
 
2392
 
 
2393
 
 
2394
class TestFeature(tests.TestCase):
 
2395
 
 
2396
    def test_caching(self):
 
2397
        """Feature._probe is called by the feature at most once."""
 
2398
        class InstrumentedFeature(tests.Feature):
 
2399
            def __init__(self):
 
2400
                super(InstrumentedFeature, self).__init__()
 
2401
                self.calls = []
 
2402
            def _probe(self):
 
2403
                self.calls.append('_probe')
 
2404
                return False
 
2405
        feature = InstrumentedFeature()
 
2406
        feature.available()
 
2407
        self.assertEqual(['_probe'], feature.calls)
 
2408
        feature.available()
 
2409
        self.assertEqual(['_probe'], feature.calls)
 
2410
 
 
2411
    def test_named_str(self):
 
2412
        """Feature.__str__ should thunk to feature_name()."""
 
2413
        class NamedFeature(tests.Feature):
 
2414
            def feature_name(self):
 
2415
                return 'symlinks'
 
2416
        feature = NamedFeature()
 
2417
        self.assertEqual('symlinks', str(feature))
 
2418
 
 
2419
    def test_default_str(self):
 
2420
        """Feature.__str__ should default to __class__.__name__."""
 
2421
        class NamedFeature(tests.Feature):
 
2422
            pass
 
2423
        feature = NamedFeature()
 
2424
        self.assertEqual('NamedFeature', str(feature))
 
2425
 
 
2426
 
 
2427
class TestUnavailableFeature(tests.TestCase):
 
2428
 
 
2429
    def test_access_feature(self):
 
2430
        feature = tests.Feature()
 
2431
        exception = tests.UnavailableFeature(feature)
 
2432
        self.assertIs(feature, exception.args[0])
 
2433
 
 
2434
 
 
2435
simple_thunk_feature = tests._CompatabilityThunkFeature(
 
2436
    deprecated_in((2, 1, 0)),
 
2437
    'bzrlib.tests.test_selftest',
 
2438
    'simple_thunk_feature','UnicodeFilename',
 
2439
    replacement_module='bzrlib.tests'
 
2440
    )
 
2441
 
 
2442
class Test_CompatibilityFeature(tests.TestCase):
 
2443
 
 
2444
    def test_does_thunk(self):
 
2445
        res = self.callDeprecated(
 
2446
            ['bzrlib.tests.test_selftest.simple_thunk_feature was deprecated'
 
2447
             ' in version 2.1.0. Use bzrlib.tests.UnicodeFilename instead.'],
 
2448
            simple_thunk_feature.available)
 
2449
        self.assertEqual(tests.UnicodeFilename.available(), res)
 
2450
 
 
2451
 
 
2452
class TestModuleAvailableFeature(tests.TestCase):
 
2453
 
 
2454
    def test_available_module(self):
 
2455
        feature = tests.ModuleAvailableFeature('bzrlib.tests')
 
2456
        self.assertEqual('bzrlib.tests', feature.module_name)
 
2457
        self.assertEqual('bzrlib.tests', str(feature))
 
2458
        self.assertTrue(feature.available())
 
2459
        self.assertIs(tests, feature.module)
 
2460
 
 
2461
    def test_unavailable_module(self):
 
2462
        feature = tests.ModuleAvailableFeature('bzrlib.no_such_module_exists')
 
2463
        self.assertEqual('bzrlib.no_such_module_exists', str(feature))
 
2464
        self.assertFalse(feature.available())
 
2465
        self.assertIs(None, feature.module)
 
2466
 
 
2467
 
 
2468
class TestSelftestFiltering(tests.TestCase):
 
2469
 
 
2470
    def setUp(self):
 
2471
        tests.TestCase.setUp(self)
 
2472
        self.suite = TestUtil.TestSuite()
 
2473
        self.loader = TestUtil.TestLoader()
 
2474
        self.suite.addTest(self.loader.loadTestsFromModule(
 
2475
            sys.modules['bzrlib.tests.test_selftest']))
 
2476
        self.all_names = _test_ids(self.suite)
 
2477
 
 
2478
    def test_condition_id_re(self):
 
2479
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2480
            'test_condition_id_re')
 
2481
        filtered_suite = tests.filter_suite_by_condition(
 
2482
            self.suite, tests.condition_id_re('test_condition_id_re'))
 
2483
        self.assertEqual([test_name], _test_ids(filtered_suite))
 
2484
 
 
2485
    def test_condition_id_in_list(self):
 
2486
        test_names = ['bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2487
                      'test_condition_id_in_list']
 
2488
        id_list = tests.TestIdList(test_names)
 
2489
        filtered_suite = tests.filter_suite_by_condition(
 
2490
            self.suite, tests.condition_id_in_list(id_list))
 
2491
        my_pattern = 'TestSelftestFiltering.*test_condition_id_in_list'
 
2492
        re_filtered = tests.filter_suite_by_re(self.suite, my_pattern)
 
2493
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
 
2494
 
 
2495
    def test_condition_id_startswith(self):
 
2496
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2497
        start1 = klass + 'test_condition_id_starts'
 
2498
        start2 = klass + 'test_condition_id_in'
 
2499
        test_names = [ klass + 'test_condition_id_in_list',
 
2500
                      klass + 'test_condition_id_startswith',
 
2501
                     ]
 
2502
        filtered_suite = tests.filter_suite_by_condition(
 
2503
            self.suite, tests.condition_id_startswith([start1, start2]))
 
2504
        self.assertEqual(test_names, _test_ids(filtered_suite))
 
2505
 
 
2506
    def test_condition_isinstance(self):
 
2507
        filtered_suite = tests.filter_suite_by_condition(
 
2508
            self.suite, tests.condition_isinstance(self.__class__))
 
2509
        class_pattern = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2510
        re_filtered = tests.filter_suite_by_re(self.suite, class_pattern)
 
2511
        self.assertEqual(_test_ids(re_filtered), _test_ids(filtered_suite))
 
2512
 
 
2513
    def test_exclude_tests_by_condition(self):
 
2514
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2515
            'test_exclude_tests_by_condition')
 
2516
        filtered_suite = tests.exclude_tests_by_condition(self.suite,
 
2517
            lambda x:x.id() == excluded_name)
 
2518
        self.assertEqual(len(self.all_names) - 1,
 
2519
            filtered_suite.countTestCases())
 
2520
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
 
2521
        remaining_names = list(self.all_names)
 
2522
        remaining_names.remove(excluded_name)
 
2523
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
 
2524
 
 
2525
    def test_exclude_tests_by_re(self):
 
2526
        self.all_names = _test_ids(self.suite)
 
2527
        filtered_suite = tests.exclude_tests_by_re(self.suite,
 
2528
                                                   'exclude_tests_by_re')
 
2529
        excluded_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2530
            'test_exclude_tests_by_re')
 
2531
        self.assertEqual(len(self.all_names) - 1,
 
2532
            filtered_suite.countTestCases())
 
2533
        self.assertFalse(excluded_name in _test_ids(filtered_suite))
 
2534
        remaining_names = list(self.all_names)
 
2535
        remaining_names.remove(excluded_name)
 
2536
        self.assertEqual(remaining_names, _test_ids(filtered_suite))
 
2537
 
 
2538
    def test_filter_suite_by_condition(self):
 
2539
        test_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2540
            'test_filter_suite_by_condition')
 
2541
        filtered_suite = tests.filter_suite_by_condition(self.suite,
 
2542
            lambda x:x.id() == test_name)
 
2543
        self.assertEqual([test_name], _test_ids(filtered_suite))
 
2544
 
 
2545
    def test_filter_suite_by_re(self):
 
2546
        filtered_suite = tests.filter_suite_by_re(self.suite,
 
2547
                                                  'test_filter_suite_by_r')
 
2548
        filtered_names = _test_ids(filtered_suite)
 
2549
        self.assertEqual(filtered_names, ['bzrlib.tests.test_selftest.'
 
2550
            'TestSelftestFiltering.test_filter_suite_by_re'])
 
2551
 
 
2552
    def test_filter_suite_by_id_list(self):
 
2553
        test_list = ['bzrlib.tests.test_selftest.'
 
2554
                     'TestSelftestFiltering.test_filter_suite_by_id_list']
 
2555
        filtered_suite = tests.filter_suite_by_id_list(
 
2556
            self.suite, tests.TestIdList(test_list))
 
2557
        filtered_names = _test_ids(filtered_suite)
 
2558
        self.assertEqual(
 
2559
            filtered_names,
 
2560
            ['bzrlib.tests.test_selftest.'
 
2561
             'TestSelftestFiltering.test_filter_suite_by_id_list'])
 
2562
 
 
2563
    def test_filter_suite_by_id_startswith(self):
 
2564
        # By design this test may fail if another test is added whose name also
 
2565
        # begins with one of the start value used.
 
2566
        klass = 'bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2567
        start1 = klass + 'test_filter_suite_by_id_starts'
 
2568
        start2 = klass + 'test_filter_suite_by_id_li'
 
2569
        test_list = [klass + 'test_filter_suite_by_id_list',
 
2570
                     klass + 'test_filter_suite_by_id_startswith',
 
2571
                     ]
 
2572
        filtered_suite = tests.filter_suite_by_id_startswith(
 
2573
            self.suite, [start1, start2])
 
2574
        self.assertEqual(
 
2575
            test_list,
 
2576
            _test_ids(filtered_suite),
 
2577
            )
 
2578
 
 
2579
    def test_preserve_input(self):
 
2580
        # NB: Surely this is something in the stdlib to do this?
 
2581
        self.assertTrue(self.suite is tests.preserve_input(self.suite))
 
2582
        self.assertTrue("@#$" is tests.preserve_input("@#$"))
 
2583
 
 
2584
    def test_randomize_suite(self):
 
2585
        randomized_suite = tests.randomize_suite(self.suite)
 
2586
        # randomizing should not add or remove test names.
 
2587
        self.assertEqual(set(_test_ids(self.suite)),
 
2588
                         set(_test_ids(randomized_suite)))
 
2589
        # Technically, this *can* fail, because random.shuffle(list) can be
 
2590
        # equal to list. Trying multiple times just pushes the frequency back.
 
2591
        # As its len(self.all_names)!:1, the failure frequency should be low
 
2592
        # enough to ignore. RBC 20071021.
 
2593
        # It should change the order.
 
2594
        self.assertNotEqual(self.all_names, _test_ids(randomized_suite))
 
2595
        # But not the length. (Possibly redundant with the set test, but not
 
2596
        # necessarily.)
 
2597
        self.assertEqual(len(self.all_names), len(_test_ids(randomized_suite)))
 
2598
 
 
2599
    def test_split_suit_by_condition(self):
 
2600
        self.all_names = _test_ids(self.suite)
 
2601
        condition = tests.condition_id_re('test_filter_suite_by_r')
 
2602
        split_suite = tests.split_suite_by_condition(self.suite, condition)
 
2603
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2604
            'test_filter_suite_by_re')
 
2605
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
 
2606
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
 
2607
        remaining_names = list(self.all_names)
 
2608
        remaining_names.remove(filtered_name)
 
2609
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
 
2610
 
 
2611
    def test_split_suit_by_re(self):
 
2612
        self.all_names = _test_ids(self.suite)
 
2613
        split_suite = tests.split_suite_by_re(self.suite,
 
2614
                                              'test_filter_suite_by_r')
 
2615
        filtered_name = ('bzrlib.tests.test_selftest.TestSelftestFiltering.'
 
2616
            'test_filter_suite_by_re')
 
2617
        self.assertEqual([filtered_name], _test_ids(split_suite[0]))
 
2618
        self.assertFalse(filtered_name in _test_ids(split_suite[1]))
 
2619
        remaining_names = list(self.all_names)
 
2620
        remaining_names.remove(filtered_name)
 
2621
        self.assertEqual(remaining_names, _test_ids(split_suite[1]))
 
2622
 
 
2623
 
 
2624
class TestCheckInventoryShape(tests.TestCaseWithTransport):
 
2625
 
 
2626
    def test_check_inventory_shape(self):
 
2627
        files = ['a', 'b/', 'b/c']
 
2628
        tree = self.make_branch_and_tree('.')
 
2629
        self.build_tree(files)
 
2630
        tree.add(files)
 
2631
        tree.lock_read()
 
2632
        try:
 
2633
            self.check_inventory_shape(tree.inventory, files)
 
2634
        finally:
 
2635
            tree.unlock()
 
2636
 
 
2637
 
 
2638
class TestBlackboxSupport(tests.TestCase):
 
2639
    """Tests for testsuite blackbox features."""
 
2640
 
 
2641
    def test_run_bzr_failure_not_caught(self):
 
2642
        # When we run bzr in blackbox mode, we want any unexpected errors to
 
2643
        # propagate up to the test suite so that it can show the error in the
 
2644
        # usual way, and we won't get a double traceback.
 
2645
        e = self.assertRaises(
 
2646
            AssertionError,
 
2647
            self.run_bzr, ['assert-fail'])
 
2648
        # make sure we got the real thing, not an error from somewhere else in
 
2649
        # the test framework
 
2650
        self.assertEquals('always fails', str(e))
 
2651
        # check that there's no traceback in the test log
 
2652
        self.assertNotContainsRe(self.get_log(), r'Traceback')
 
2653
 
 
2654
    def test_run_bzr_user_error_caught(self):
 
2655
        # Running bzr in blackbox mode, normal/expected/user errors should be
 
2656
        # caught in the regular way and turned into an error message plus exit
 
2657
        # code.
 
2658
        transport_server = memory.MemoryServer()
 
2659
        transport_server.start_server()
 
2660
        self.addCleanup(transport_server.stop_server)
 
2661
        url = transport_server.get_url()
 
2662
        self.permit_url(url)
 
2663
        out, err = self.run_bzr(["log", "%s/nonexistantpath" % url], retcode=3)
 
2664
        self.assertEqual(out, '')
 
2665
        self.assertContainsRe(err,
 
2666
            'bzr: ERROR: Not a branch: ".*nonexistantpath/".\n')
 
2667
 
 
2668
 
 
2669
class TestTestLoader(tests.TestCase):
 
2670
    """Tests for the test loader."""
 
2671
 
 
2672
    def _get_loader_and_module(self):
 
2673
        """Gets a TestLoader and a module with one test in it."""
 
2674
        loader = TestUtil.TestLoader()
 
2675
        module = {}
 
2676
        class Stub(tests.TestCase):
 
2677
            def test_foo(self):
 
2678
                pass
 
2679
        class MyModule(object):
 
2680
            pass
 
2681
        MyModule.a_class = Stub
 
2682
        module = MyModule()
 
2683
        return loader, module
 
2684
 
 
2685
    def test_module_no_load_tests_attribute_loads_classes(self):
 
2686
        loader, module = self._get_loader_and_module()
 
2687
        self.assertEqual(1, loader.loadTestsFromModule(module).countTestCases())
 
2688
 
 
2689
    def test_module_load_tests_attribute_gets_called(self):
 
2690
        loader, module = self._get_loader_and_module()
 
2691
        # 'self' is here because we're faking the module with a class. Regular
 
2692
        # load_tests do not need that :)
 
2693
        def load_tests(self, standard_tests, module, loader):
 
2694
            result = loader.suiteClass()
 
2695
            for test in tests.iter_suite_tests(standard_tests):
 
2696
                result.addTests([test, test])
 
2697
            return result
 
2698
        # add a load_tests() method which multiplies the tests from the module.
 
2699
        module.__class__.load_tests = load_tests
 
2700
        self.assertEqual(2, loader.loadTestsFromModule(module).countTestCases())
 
2701
 
 
2702
    def test_load_tests_from_module_name_smoke_test(self):
 
2703
        loader = TestUtil.TestLoader()
 
2704
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2705
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
 
2706
                          _test_ids(suite))
 
2707
 
 
2708
    def test_load_tests_from_module_name_with_bogus_module_name(self):
 
2709
        loader = TestUtil.TestLoader()
 
2710
        self.assertRaises(ImportError, loader.loadTestsFromModuleName, 'bogus')
 
2711
 
 
2712
 
 
2713
class TestTestIdList(tests.TestCase):
 
2714
 
 
2715
    def _create_id_list(self, test_list):
 
2716
        return tests.TestIdList(test_list)
 
2717
 
 
2718
    def _create_suite(self, test_id_list):
 
2719
 
 
2720
        class Stub(tests.TestCase):
 
2721
            def test_foo(self):
 
2722
                pass
 
2723
 
 
2724
        def _create_test_id(id):
 
2725
            return lambda: id
 
2726
 
 
2727
        suite = TestUtil.TestSuite()
 
2728
        for id in test_id_list:
 
2729
            t  = Stub('test_foo')
 
2730
            t.id = _create_test_id(id)
 
2731
            suite.addTest(t)
 
2732
        return suite
 
2733
 
 
2734
    def _test_ids(self, test_suite):
 
2735
        """Get the ids for the tests in a test suite."""
 
2736
        return [t.id() for t in tests.iter_suite_tests(test_suite)]
 
2737
 
 
2738
    def test_empty_list(self):
 
2739
        id_list = self._create_id_list([])
 
2740
        self.assertEquals({}, id_list.tests)
 
2741
        self.assertEquals({}, id_list.modules)
 
2742
 
 
2743
    def test_valid_list(self):
 
2744
        id_list = self._create_id_list(
 
2745
            ['mod1.cl1.meth1', 'mod1.cl1.meth2',
 
2746
             'mod1.func1', 'mod1.cl2.meth2',
 
2747
             'mod1.submod1',
 
2748
             'mod1.submod2.cl1.meth1', 'mod1.submod2.cl2.meth2',
 
2749
             ])
 
2750
        self.assertTrue(id_list.refers_to('mod1'))
 
2751
        self.assertTrue(id_list.refers_to('mod1.submod1'))
 
2752
        self.assertTrue(id_list.refers_to('mod1.submod2'))
 
2753
        self.assertTrue(id_list.includes('mod1.cl1.meth1'))
 
2754
        self.assertTrue(id_list.includes('mod1.submod1'))
 
2755
        self.assertTrue(id_list.includes('mod1.func1'))
 
2756
 
 
2757
    def test_bad_chars_in_params(self):
 
2758
        id_list = self._create_id_list(['mod1.cl1.meth1(xx.yy)'])
 
2759
        self.assertTrue(id_list.refers_to('mod1'))
 
2760
        self.assertTrue(id_list.includes('mod1.cl1.meth1(xx.yy)'))
 
2761
 
 
2762
    def test_module_used(self):
 
2763
        id_list = self._create_id_list(['mod.class.meth'])
 
2764
        self.assertTrue(id_list.refers_to('mod'))
 
2765
        self.assertTrue(id_list.refers_to('mod.class'))
 
2766
        self.assertTrue(id_list.refers_to('mod.class.meth'))
 
2767
 
 
2768
    def test_test_suite_matches_id_list_with_unknown(self):
 
2769
        loader = TestUtil.TestLoader()
 
2770
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2771
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',
 
2772
                     'bogus']
 
2773
        not_found, duplicates = tests.suite_matches_id_list(suite, test_list)
 
2774
        self.assertEquals(['bogus'], not_found)
 
2775
        self.assertEquals([], duplicates)
 
2776
 
 
2777
    def test_suite_matches_id_list_with_duplicates(self):
 
2778
        loader = TestUtil.TestLoader()
 
2779
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2780
        dupes = loader.suiteClass()
 
2781
        for test in tests.iter_suite_tests(suite):
 
2782
            dupes.addTest(test)
 
2783
            dupes.addTest(test) # Add it again
 
2784
 
 
2785
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing',]
 
2786
        not_found, duplicates = tests.suite_matches_id_list(
 
2787
            dupes, test_list)
 
2788
        self.assertEquals([], not_found)
 
2789
        self.assertEquals(['bzrlib.tests.test_sampler.DemoTest.test_nothing'],
 
2790
                          duplicates)
 
2791
 
 
2792
 
 
2793
class TestTestSuite(tests.TestCase):
 
2794
 
 
2795
    def test__test_suite_testmod_names(self):
 
2796
        # Test that a plausible list of test module names are returned
 
2797
        # by _test_suite_testmod_names.
 
2798
        test_list = tests._test_suite_testmod_names()
 
2799
        self.assertSubset([
 
2800
            'bzrlib.tests.blackbox',
 
2801
            'bzrlib.tests.per_transport',
 
2802
            'bzrlib.tests.test_selftest',
 
2803
            ],
 
2804
            test_list)
 
2805
 
 
2806
    def test__test_suite_modules_to_doctest(self):
 
2807
        # Test that a plausible list of modules to doctest is returned
 
2808
        # by _test_suite_modules_to_doctest.
 
2809
        test_list = tests._test_suite_modules_to_doctest()
 
2810
        if __doc__ is None:
 
2811
            # When docstrings are stripped, there are no modules to doctest
 
2812
            self.assertEqual([], test_list)
 
2813
            return
 
2814
        self.assertSubset([
 
2815
            'bzrlib.timestamp',
 
2816
            ],
 
2817
            test_list)
 
2818
 
 
2819
    def test_test_suite(self):
 
2820
        # test_suite() loads the entire test suite to operate. To avoid this
 
2821
        # overhead, and yet still be confident that things are happening,
 
2822
        # we temporarily replace two functions used by test_suite with 
 
2823
        # test doubles that supply a few sample tests to load, and check they
 
2824
        # are loaded.
 
2825
        calls = []
 
2826
        def testmod_names():
 
2827
            calls.append("testmod_names")
 
2828
            return [
 
2829
                'bzrlib.tests.blackbox.test_branch',
 
2830
                'bzrlib.tests.per_transport',
 
2831
                'bzrlib.tests.test_selftest',
 
2832
                ]
 
2833
        self.overrideAttr(tests, '_test_suite_testmod_names', testmod_names)
 
2834
        def doctests():
 
2835
            calls.append("modules_to_doctest")
 
2836
            if __doc__ is None:
 
2837
                return []
 
2838
            return ['bzrlib.timestamp']
 
2839
        self.overrideAttr(tests, '_test_suite_modules_to_doctest', doctests)
 
2840
        expected_test_list = [
 
2841
            # testmod_names
 
2842
            'bzrlib.tests.blackbox.test_branch.TestBranch.test_branch',
 
2843
            ('bzrlib.tests.per_transport.TransportTests'
 
2844
             '.test_abspath(LocalTransport,LocalURLServer)'),
 
2845
            'bzrlib.tests.test_selftest.TestTestSuite.test_test_suite',
 
2846
            # plugins can't be tested that way since selftest may be run with
 
2847
            # --no-plugins
 
2848
            ]
 
2849
        if __doc__ is not None:
 
2850
            expected_test_list.extend([
 
2851
                # modules_to_doctest
 
2852
                'bzrlib.timestamp.format_highres_date',
 
2853
                ])
 
2854
        suite = tests.test_suite()
 
2855
        self.assertEqual(set(["testmod_names", "modules_to_doctest"]),
 
2856
            set(calls))
 
2857
        self.assertSubset(expected_test_list, _test_ids(suite))
 
2858
 
 
2859
    def test_test_suite_list_and_start(self):
 
2860
        # We cannot test this at the same time as the main load, because we want
 
2861
        # to know that starting_with == None works. So a second load is
 
2862
        # incurred - note that the starting_with parameter causes a partial load
 
2863
        # rather than a full load so this test should be pretty quick.
 
2864
        test_list = ['bzrlib.tests.test_selftest.TestTestSuite.test_test_suite']
 
2865
        suite = tests.test_suite(test_list,
 
2866
                                 ['bzrlib.tests.test_selftest.TestTestSuite'])
 
2867
        # test_test_suite_list_and_start is not included 
 
2868
        self.assertEquals(test_list, _test_ids(suite))
 
2869
 
 
2870
 
 
2871
class TestLoadTestIdList(tests.TestCaseInTempDir):
 
2872
 
 
2873
    def _create_test_list_file(self, file_name, content):
 
2874
        fl = open(file_name, 'wt')
 
2875
        fl.write(content)
 
2876
        fl.close()
 
2877
 
 
2878
    def test_load_unknown(self):
 
2879
        self.assertRaises(errors.NoSuchFile,
 
2880
                          tests.load_test_id_list, 'i_do_not_exist')
 
2881
 
 
2882
    def test_load_test_list(self):
 
2883
        test_list_fname = 'test.list'
 
2884
        self._create_test_list_file(test_list_fname,
 
2885
                                    'mod1.cl1.meth1\nmod2.cl2.meth2\n')
 
2886
        tlist = tests.load_test_id_list(test_list_fname)
 
2887
        self.assertEquals(2, len(tlist))
 
2888
        self.assertEquals('mod1.cl1.meth1', tlist[0])
 
2889
        self.assertEquals('mod2.cl2.meth2', tlist[1])
 
2890
 
 
2891
    def test_load_dirty_file(self):
 
2892
        test_list_fname = 'test.list'
 
2893
        self._create_test_list_file(test_list_fname,
 
2894
                                    '  mod1.cl1.meth1\n\nmod2.cl2.meth2  \n'
 
2895
                                    'bar baz\n')
 
2896
        tlist = tests.load_test_id_list(test_list_fname)
 
2897
        self.assertEquals(4, len(tlist))
 
2898
        self.assertEquals('mod1.cl1.meth1', tlist[0])
 
2899
        self.assertEquals('', tlist[1])
 
2900
        self.assertEquals('mod2.cl2.meth2', tlist[2])
 
2901
        self.assertEquals('bar baz', tlist[3])
 
2902
 
 
2903
 
 
2904
class TestFilteredByModuleTestLoader(tests.TestCase):
 
2905
 
 
2906
    def _create_loader(self, test_list):
 
2907
        id_filter = tests.TestIdList(test_list)
 
2908
        loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
 
2909
        return loader
 
2910
 
 
2911
    def test_load_tests(self):
 
2912
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
 
2913
        loader = self._create_loader(test_list)
 
2914
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2915
        self.assertEquals(test_list, _test_ids(suite))
 
2916
 
 
2917
    def test_exclude_tests(self):
 
2918
        test_list = ['bogus']
 
2919
        loader = self._create_loader(test_list)
 
2920
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2921
        self.assertEquals([], _test_ids(suite))
 
2922
 
 
2923
 
 
2924
class TestFilteredByNameStartTestLoader(tests.TestCase):
 
2925
 
 
2926
    def _create_loader(self, name_start):
 
2927
        def needs_module(name):
 
2928
            return name.startswith(name_start) or name_start.startswith(name)
 
2929
        loader = TestUtil.FilteredByModuleTestLoader(needs_module)
 
2930
        return loader
 
2931
 
 
2932
    def test_load_tests(self):
 
2933
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
 
2934
        loader = self._create_loader('bzrlib.tests.test_samp')
 
2935
 
 
2936
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2937
        self.assertEquals(test_list, _test_ids(suite))
 
2938
 
 
2939
    def test_load_tests_inside_module(self):
 
2940
        test_list = ['bzrlib.tests.test_sampler.DemoTest.test_nothing']
 
2941
        loader = self._create_loader('bzrlib.tests.test_sampler.Demo')
 
2942
 
 
2943
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2944
        self.assertEquals(test_list, _test_ids(suite))
 
2945
 
 
2946
    def test_exclude_tests(self):
 
2947
        test_list = ['bogus']
 
2948
        loader = self._create_loader('bogus')
 
2949
 
 
2950
        suite = loader.loadTestsFromModuleName('bzrlib.tests.test_sampler')
 
2951
        self.assertEquals([], _test_ids(suite))
 
2952
 
 
2953
 
 
2954
class TestTestPrefixRegistry(tests.TestCase):
 
2955
 
 
2956
    def _get_registry(self):
 
2957
        tp_registry = tests.TestPrefixAliasRegistry()
 
2958
        return tp_registry
 
2959
 
 
2960
    def test_register_new_prefix(self):
 
2961
        tpr = self._get_registry()
 
2962
        tpr.register('foo', 'fff.ooo.ooo')
 
2963
        self.assertEquals('fff.ooo.ooo', tpr.get('foo'))
 
2964
 
 
2965
    def test_register_existing_prefix(self):
 
2966
        tpr = self._get_registry()
 
2967
        tpr.register('bar', 'bbb.aaa.rrr')
 
2968
        tpr.register('bar', 'bBB.aAA.rRR')
 
2969
        self.assertEquals('bbb.aaa.rrr', tpr.get('bar'))
 
2970
        self.assertThat(self.get_log(),
 
2971
            DocTestMatches("...bar...bbb.aaa.rrr...BB.aAA.rRR", ELLIPSIS))
 
2972
 
 
2973
    def test_get_unknown_prefix(self):
 
2974
        tpr = self._get_registry()
 
2975
        self.assertRaises(KeyError, tpr.get, 'I am not a prefix')
 
2976
 
 
2977
    def test_resolve_prefix(self):
 
2978
        tpr = self._get_registry()
 
2979
        tpr.register('bar', 'bb.aa.rr')
 
2980
        self.assertEquals('bb.aa.rr', tpr.resolve_alias('bar'))
 
2981
 
 
2982
    def test_resolve_unknown_alias(self):
 
2983
        tpr = self._get_registry()
 
2984
        self.assertRaises(errors.BzrCommandError,
 
2985
                          tpr.resolve_alias, 'I am not a prefix')
 
2986
 
 
2987
    def test_predefined_prefixes(self):
 
2988
        tpr = tests.test_prefix_alias_registry
 
2989
        self.assertEquals('bzrlib', tpr.resolve_alias('bzrlib'))
 
2990
        self.assertEquals('bzrlib.doc', tpr.resolve_alias('bd'))
 
2991
        self.assertEquals('bzrlib.utils', tpr.resolve_alias('bu'))
 
2992
        self.assertEquals('bzrlib.tests', tpr.resolve_alias('bt'))
 
2993
        self.assertEquals('bzrlib.tests.blackbox', tpr.resolve_alias('bb'))
 
2994
        self.assertEquals('bzrlib.plugins', tpr.resolve_alias('bp'))
 
2995
 
 
2996
 
 
2997
class TestRunSuite(tests.TestCase):
 
2998
 
 
2999
    def test_runner_class(self):
 
3000
        """run_suite accepts and uses a runner_class keyword argument."""
 
3001
        class Stub(tests.TestCase):
 
3002
            def test_foo(self):
 
3003
                pass
 
3004
        suite = Stub("test_foo")
 
3005
        calls = []
 
3006
        class MyRunner(tests.TextTestRunner):
 
3007
            def run(self, test):
 
3008
                calls.append(test)
 
3009
                return tests.ExtendedTestResult(self.stream, self.descriptions,
 
3010
                                                self.verbosity)
 
3011
        tests.run_suite(suite, runner_class=MyRunner, stream=StringIO())
 
3012
        self.assertLength(1, calls)