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  • Committer: Robert Collins
  • Date: 2007-06-04 03:39:48 UTC
  • mto: (2507.1.1 integration)
  • mto: This revision was merged to the branch mainline in revision 2505.
  • Revision ID: robertc@robertcollins.net-20070604033948-erld0bugxcbo62gf
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1
# Copyright (C) 2005, 2006, 2007 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Tests for the test framework."""
 
18
 
 
19
import cStringIO
 
20
import os
 
21
from StringIO import StringIO
 
22
import sys
 
23
import time
 
24
import unittest
 
25
import warnings
 
26
 
 
27
import bzrlib
 
28
from bzrlib import (
 
29
    bzrdir,
 
30
    errors,
 
31
    memorytree,
 
32
    osutils,
 
33
    repository,
 
34
    symbol_versioning,
 
35
    )
 
36
from bzrlib.progress import _BaseProgressBar
 
37
from bzrlib.repofmt import weaverepo
 
38
from bzrlib.symbol_versioning import zero_ten, zero_eleven
 
39
from bzrlib.tests import (
 
40
                          ChrootedTestCase,
 
41
                          ExtendedTestResult,
 
42
                          Feature,
 
43
                          KnownFailure,
 
44
                          TestCase,
 
45
                          TestCaseInTempDir,
 
46
                          TestCaseWithMemoryTransport,
 
47
                          TestCaseWithTransport,
 
48
                          TestSkipped,
 
49
                          TestSuite,
 
50
                          TestUtil,
 
51
                          TextTestRunner,
 
52
                          UnavailableFeature,
 
53
                          clean_selftest_output,
 
54
                          iter_suite_tests,
 
55
                          filter_suite_by_re,
 
56
                          sort_suite_by_re,
 
57
                          test_suite
 
58
                          )
 
59
from bzrlib.tests.test_sftp_transport import TestCaseWithSFTPServer
 
60
from bzrlib.tests.TestUtil import _load_module_by_name
 
61
from bzrlib.trace import note
 
62
from bzrlib.transport.memory import MemoryServer, MemoryTransport
 
63
from bzrlib.version import _get_bzr_source_tree
 
64
 
 
65
 
 
66
class SelftestTests(TestCase):
 
67
 
 
68
    def test_import_tests(self):
 
69
        mod = _load_module_by_name('bzrlib.tests.test_selftest')
 
70
        self.assertEqual(mod.SelftestTests, SelftestTests)
 
71
 
 
72
    def test_import_test_failure(self):
 
73
        self.assertRaises(ImportError,
 
74
                          _load_module_by_name,
 
75
                          'bzrlib.no-name-yet')
 
76
 
 
77
class MetaTestLog(TestCase):
 
78
 
 
79
    def test_logging(self):
 
80
        """Test logs are captured when a test fails."""
 
81
        self.log('a test message')
 
82
        self._log_file.flush()
 
83
        self.assertContainsRe(self._get_log(keep_log_file=True),
 
84
                              'a test message\n')
 
85
 
 
86
 
 
87
class TestTreeShape(TestCaseInTempDir):
 
88
 
 
89
    def test_unicode_paths(self):
 
90
        filename = u'hell\u00d8'
 
91
        try:
 
92
            self.build_tree_contents([(filename, 'contents of hello')])
 
93
        except UnicodeEncodeError:
 
94
            raise TestSkipped("can't build unicode working tree in "
 
95
                "filesystem encoding %s" % sys.getfilesystemencoding())
 
96
        self.failUnlessExists(filename)
 
97
 
 
98
 
 
99
class TestTransportProviderAdapter(TestCase):
 
100
    """A group of tests that test the transport implementation adaption core.
 
101
 
 
102
    This is a meta test that the tests are applied to all available 
 
103
    transports.
 
104
 
 
105
    This will be generalised in the future which is why it is in this 
 
106
    test file even though it is specific to transport tests at the moment.
 
107
    """
 
108
 
 
109
    def test_get_transport_permutations(self):
 
110
        # this checks that we the module get_test_permutations call
 
111
        # is made by the adapter get_transport_test_permitations method.
 
112
        class MockModule(object):
 
113
            def get_test_permutations(self):
 
114
                return sample_permutation
 
115
        sample_permutation = [(1,2), (3,4)]
 
116
        from bzrlib.transport import TransportTestProviderAdapter
 
117
        adapter = TransportTestProviderAdapter()
 
118
        self.assertEqual(sample_permutation,
 
119
                         adapter.get_transport_test_permutations(MockModule()))
 
120
 
 
121
    def test_adapter_checks_all_modules(self):
 
122
        # this checks that the adapter returns as many permurtations as
 
123
        # there are in all the registered# transport modules for there
 
124
        # - we assume if this matches its probably doing the right thing
 
125
        # especially in combination with the tests for setting the right
 
126
        # classes below.
 
127
        from bzrlib.transport import (TransportTestProviderAdapter,
 
128
                                      _get_transport_modules
 
129
                                      )
 
130
        modules = _get_transport_modules()
 
131
        permutation_count = 0
 
132
        for module in modules:
 
133
            try:
 
134
                permutation_count += len(reduce(getattr, 
 
135
                    (module + ".get_test_permutations").split('.')[1:],
 
136
                     __import__(module))())
 
137
            except errors.DependencyNotPresent:
 
138
                pass
 
139
        input_test = TestTransportProviderAdapter(
 
140
            "test_adapter_sets_transport_class")
 
141
        adapter = TransportTestProviderAdapter()
 
142
        self.assertEqual(permutation_count,
 
143
                         len(list(iter(adapter.adapt(input_test)))))
 
144
 
 
145
    def test_adapter_sets_transport_class(self):
 
146
        # Check that the test adapter inserts a transport and server into the
 
147
        # generated test.
 
148
        #
 
149
        # This test used to know about all the possible transports and the
 
150
        # order they were returned but that seems overly brittle (mbp
 
151
        # 20060307)
 
152
        input_test = TestTransportProviderAdapter(
 
153
            "test_adapter_sets_transport_class")
 
154
        from bzrlib.transport import TransportTestProviderAdapter
 
155
        suite = TransportTestProviderAdapter().adapt(input_test)
 
156
        tests = list(iter(suite))
 
157
        self.assertTrue(len(tests) > 6)
 
158
        # there are at least that many builtin transports
 
159
        one_test = tests[0]
 
160
        self.assertTrue(issubclass(one_test.transport_class, 
 
161
                                   bzrlib.transport.Transport))
 
162
        self.assertTrue(issubclass(one_test.transport_server, 
 
163
                                   bzrlib.transport.Server))
 
164
 
 
165
 
 
166
class TestBranchProviderAdapter(TestCase):
 
167
    """A group of tests that test the branch implementation test adapter."""
 
168
 
 
169
    def test_adapted_tests(self):
 
170
        # check that constructor parameters are passed through to the adapted
 
171
        # test.
 
172
        from bzrlib.branch import BranchTestProviderAdapter
 
173
        input_test = TestBranchProviderAdapter(
 
174
            "test_adapted_tests")
 
175
        server1 = "a"
 
176
        server2 = "b"
 
177
        formats = [("c", "C"), ("d", "D")]
 
178
        adapter = BranchTestProviderAdapter(server1, server2, formats)
 
179
        suite = adapter.adapt(input_test)
 
180
        tests = list(iter(suite))
 
181
        self.assertEqual(2, len(tests))
 
182
        self.assertEqual(tests[0].branch_format, formats[0][0])
 
183
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
184
        self.assertEqual(tests[0].transport_server, server1)
 
185
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
186
        self.assertEqual(tests[1].branch_format, formats[1][0])
 
187
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
188
        self.assertEqual(tests[1].transport_server, server1)
 
189
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
190
 
 
191
 
 
192
class TestBzrDirProviderAdapter(TestCase):
 
193
    """A group of tests that test the bzr dir implementation test adapter."""
 
194
 
 
195
    def test_adapted_tests(self):
 
196
        # check that constructor parameters are passed through to the adapted
 
197
        # test.
 
198
        from bzrlib.bzrdir import BzrDirTestProviderAdapter
 
199
        input_test = TestBzrDirProviderAdapter(
 
200
            "test_adapted_tests")
 
201
        vfs_factory = "v"
 
202
        server1 = "a"
 
203
        server2 = "b"
 
204
        formats = ["c", "d"]
 
205
        adapter = BzrDirTestProviderAdapter(vfs_factory,
 
206
            server1, server2, formats)
 
207
        suite = adapter.adapt(input_test)
 
208
        tests = list(iter(suite))
 
209
        self.assertEqual(2, len(tests))
 
210
        self.assertEqual(tests[0].bzrdir_format, formats[0])
 
211
        self.assertEqual(tests[0].vfs_transport_factory, vfs_factory)
 
212
        self.assertEqual(tests[0].transport_server, server1)
 
213
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
214
        self.assertEqual(tests[1].bzrdir_format, formats[1])
 
215
        self.assertEqual(tests[1].vfs_transport_factory, vfs_factory)
 
216
        self.assertEqual(tests[1].transport_server, server1)
 
217
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
218
 
 
219
 
 
220
class TestRepositoryProviderAdapter(TestCase):
 
221
    """A group of tests that test the repository implementation test adapter."""
 
222
 
 
223
    def test_adapted_tests(self):
 
224
        # check that constructor parameters are passed through to the adapted
 
225
        # test.
 
226
        from bzrlib.repository import RepositoryTestProviderAdapter
 
227
        input_test = TestRepositoryProviderAdapter(
 
228
            "test_adapted_tests")
 
229
        server1 = "a"
 
230
        server2 = "b"
 
231
        formats = [("c", "C"), ("d", "D")]
 
232
        adapter = RepositoryTestProviderAdapter(server1, server2, formats)
 
233
        suite = adapter.adapt(input_test)
 
234
        tests = list(iter(suite))
 
235
        self.assertEqual(2, len(tests))
 
236
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
237
        self.assertEqual(tests[0].repository_format, formats[0][0])
 
238
        self.assertEqual(tests[0].transport_server, server1)
 
239
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
240
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
241
        self.assertEqual(tests[1].repository_format, formats[1][0])
 
242
        self.assertEqual(tests[1].transport_server, server1)
 
243
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
244
 
 
245
    def test_setting_vfs_transport(self):
 
246
        """The vfs_transport_factory can be set optionally."""
 
247
        from bzrlib.repository import RepositoryTestProviderAdapter
 
248
        input_test = TestRepositoryProviderAdapter(
 
249
            "test_adapted_tests")
 
250
        formats = [("c", "C")]
 
251
        adapter = RepositoryTestProviderAdapter(None, None, formats,
 
252
            vfs_transport_factory="vfs")
 
253
        suite = adapter.adapt(input_test)
 
254
        tests = list(iter(suite))
 
255
        self.assertEqual(1, len(tests))
 
256
        self.assertEqual(tests[0].vfs_transport_factory, "vfs")
 
257
 
 
258
 
 
259
class TestInterRepositoryProviderAdapter(TestCase):
 
260
    """A group of tests that test the InterRepository test adapter."""
 
261
 
 
262
    def test_adapted_tests(self):
 
263
        # check that constructor parameters are passed through to the adapted
 
264
        # test.
 
265
        from bzrlib.repository import InterRepositoryTestProviderAdapter
 
266
        input_test = TestInterRepositoryProviderAdapter(
 
267
            "test_adapted_tests")
 
268
        server1 = "a"
 
269
        server2 = "b"
 
270
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
271
        adapter = InterRepositoryTestProviderAdapter(server1, server2, formats)
 
272
        suite = adapter.adapt(input_test)
 
273
        tests = list(iter(suite))
 
274
        self.assertEqual(2, len(tests))
 
275
        self.assertEqual(tests[0].interrepo_class, formats[0][0])
 
276
        self.assertEqual(tests[0].repository_format, formats[0][1])
 
277
        self.assertEqual(tests[0].repository_format_to, formats[0][2])
 
278
        self.assertEqual(tests[0].transport_server, server1)
 
279
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
280
        self.assertEqual(tests[1].interrepo_class, formats[1][0])
 
281
        self.assertEqual(tests[1].repository_format, formats[1][1])
 
282
        self.assertEqual(tests[1].repository_format_to, formats[1][2])
 
283
        self.assertEqual(tests[1].transport_server, server1)
 
284
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
285
 
 
286
 
 
287
class TestInterVersionedFileProviderAdapter(TestCase):
 
288
    """A group of tests that test the InterVersionedFile test adapter."""
 
289
 
 
290
    def test_adapted_tests(self):
 
291
        # check that constructor parameters are passed through to the adapted
 
292
        # test.
 
293
        from bzrlib.versionedfile import InterVersionedFileTestProviderAdapter
 
294
        input_test = TestInterRepositoryProviderAdapter(
 
295
            "test_adapted_tests")
 
296
        server1 = "a"
 
297
        server2 = "b"
 
298
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
299
        adapter = InterVersionedFileTestProviderAdapter(server1, server2, formats)
 
300
        suite = adapter.adapt(input_test)
 
301
        tests = list(iter(suite))
 
302
        self.assertEqual(2, len(tests))
 
303
        self.assertEqual(tests[0].interversionedfile_class, formats[0][0])
 
304
        self.assertEqual(tests[0].versionedfile_factory, formats[0][1])
 
305
        self.assertEqual(tests[0].versionedfile_factory_to, formats[0][2])
 
306
        self.assertEqual(tests[0].transport_server, server1)
 
307
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
308
        self.assertEqual(tests[1].interversionedfile_class, formats[1][0])
 
309
        self.assertEqual(tests[1].versionedfile_factory, formats[1][1])
 
310
        self.assertEqual(tests[1].versionedfile_factory_to, formats[1][2])
 
311
        self.assertEqual(tests[1].transport_server, server1)
 
312
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
313
 
 
314
 
 
315
class TestRevisionStoreProviderAdapter(TestCase):
 
316
    """A group of tests that test the RevisionStore test adapter."""
 
317
 
 
318
    def test_adapted_tests(self):
 
319
        # check that constructor parameters are passed through to the adapted
 
320
        # test.
 
321
        from bzrlib.store.revision import RevisionStoreTestProviderAdapter
 
322
        input_test = TestRevisionStoreProviderAdapter(
 
323
            "test_adapted_tests")
 
324
        # revision stores need a store factory - i.e. RevisionKnit
 
325
        #, a readonly and rw transport 
 
326
        # transport servers:
 
327
        server1 = "a"
 
328
        server2 = "b"
 
329
        store_factories = ["c", "d"]
 
330
        adapter = RevisionStoreTestProviderAdapter(server1, server2, store_factories)
 
331
        suite = adapter.adapt(input_test)
 
332
        tests = list(iter(suite))
 
333
        self.assertEqual(2, len(tests))
 
334
        self.assertEqual(tests[0].store_factory, store_factories[0][0])
 
335
        self.assertEqual(tests[0].transport_server, server1)
 
336
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
337
        self.assertEqual(tests[1].store_factory, store_factories[1][0])
 
338
        self.assertEqual(tests[1].transport_server, server1)
 
339
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
340
 
 
341
 
 
342
class TestWorkingTreeProviderAdapter(TestCase):
 
343
    """A group of tests that test the workingtree implementation test adapter."""
 
344
 
 
345
    def test_adapted_tests(self):
 
346
        # check that constructor parameters are passed through to the adapted
 
347
        # test.
 
348
        from bzrlib.workingtree import WorkingTreeTestProviderAdapter
 
349
        input_test = TestWorkingTreeProviderAdapter(
 
350
            "test_adapted_tests")
 
351
        server1 = "a"
 
352
        server2 = "b"
 
353
        formats = [("c", "C"), ("d", "D")]
 
354
        adapter = WorkingTreeTestProviderAdapter(server1, server2, formats)
 
355
        suite = adapter.adapt(input_test)
 
356
        tests = list(iter(suite))
 
357
        self.assertEqual(2, len(tests))
 
358
        self.assertEqual(tests[0].workingtree_format, formats[0][0])
 
359
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
360
        self.assertEqual(tests[0].transport_server, server1)
 
361
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
362
        self.assertEqual(tests[1].workingtree_format, formats[1][0])
 
363
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
364
        self.assertEqual(tests[1].transport_server, server1)
 
365
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
366
 
 
367
 
 
368
class TestTreeProviderAdapter(TestCase):
 
369
    """Test the setup of tree_implementation tests."""
 
370
 
 
371
    def test_adapted_tests(self):
 
372
        # the tree implementation adapter is meant to setup one instance for
 
373
        # each working tree format, and one additional instance that will
 
374
        # use the default wt format, but create a revision tree for the tests.
 
375
        # this means that the wt ones should have the workingtree_to_test_tree
 
376
        # attribute set to 'return_parameter' and the revision one set to
 
377
        # revision_tree_from_workingtree.
 
378
 
 
379
        from bzrlib.tests.tree_implementations import (
 
380
            TreeTestProviderAdapter,
 
381
            return_parameter,
 
382
            revision_tree_from_workingtree
 
383
            )
 
384
        from bzrlib.workingtree import WorkingTreeFormat, WorkingTreeFormat3
 
385
        input_test = TestTreeProviderAdapter(
 
386
            "test_adapted_tests")
 
387
        server1 = "a"
 
388
        server2 = "b"
 
389
        formats = [("c", "C"), ("d", "D")]
 
390
        adapter = TreeTestProviderAdapter(server1, server2, formats)
 
391
        suite = adapter.adapt(input_test)
 
392
        tests = list(iter(suite))
 
393
        self.assertEqual(4, len(tests))
 
394
        # this must match the default format setp up in
 
395
        # TreeTestProviderAdapter.adapt
 
396
        default_format = WorkingTreeFormat3
 
397
        self.assertEqual(tests[0].workingtree_format, formats[0][0])
 
398
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
399
        self.assertEqual(tests[0].transport_server, server1)
 
400
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
401
        self.assertEqual(tests[0].workingtree_to_test_tree, return_parameter)
 
402
        self.assertEqual(tests[1].workingtree_format, formats[1][0])
 
403
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
404
        self.assertEqual(tests[1].transport_server, server1)
 
405
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
406
        self.assertEqual(tests[1].workingtree_to_test_tree, return_parameter)
 
407
        self.assertIsInstance(tests[2].workingtree_format, default_format)
 
408
        #self.assertEqual(tests[2].bzrdir_format,
 
409
        #                 default_format._matchingbzrdir)
 
410
        self.assertEqual(tests[2].transport_server, server1)
 
411
        self.assertEqual(tests[2].transport_readonly_server, server2)
 
412
        self.assertEqual(tests[2].workingtree_to_test_tree,
 
413
            revision_tree_from_workingtree)
 
414
 
 
415
 
 
416
class TestInterTreeProviderAdapter(TestCase):
 
417
    """A group of tests that test the InterTreeTestAdapter."""
 
418
 
 
419
    def test_adapted_tests(self):
 
420
        # check that constructor parameters are passed through to the adapted
 
421
        # test.
 
422
        # for InterTree tests we want the machinery to bring up two trees in
 
423
        # each instance: the base one, and the one we are interacting with.
 
424
        # because each optimiser can be direction specific, we need to test
 
425
        # each optimiser in its chosen direction.
 
426
        # unlike the TestProviderAdapter we dont want to automatically add a
 
427
        # parameterised one for WorkingTree - the optimisers will tell us what
 
428
        # ones to add.
 
429
        from bzrlib.tests.tree_implementations import (
 
430
            return_parameter,
 
431
            revision_tree_from_workingtree
 
432
            )
 
433
        from bzrlib.tests.intertree_implementations import (
 
434
            InterTreeTestProviderAdapter,
 
435
            )
 
436
        from bzrlib.workingtree import WorkingTreeFormat2, WorkingTreeFormat3
 
437
        input_test = TestInterTreeProviderAdapter(
 
438
            "test_adapted_tests")
 
439
        server1 = "a"
 
440
        server2 = "b"
 
441
        format1 = WorkingTreeFormat2()
 
442
        format2 = WorkingTreeFormat3()
 
443
        formats = [(str, format1, format2, "converter1"),
 
444
            (int, format2, format1, "converter2")]
 
445
        adapter = InterTreeTestProviderAdapter(server1, server2, formats)
 
446
        suite = adapter.adapt(input_test)
 
447
        tests = list(iter(suite))
 
448
        self.assertEqual(2, len(tests))
 
449
        self.assertEqual(tests[0].intertree_class, formats[0][0])
 
450
        self.assertEqual(tests[0].workingtree_format, formats[0][1])
 
451
        self.assertEqual(tests[0].workingtree_format_to, formats[0][2])
 
452
        self.assertEqual(tests[0].mutable_trees_to_test_trees, formats[0][3])
 
453
        self.assertEqual(tests[0].workingtree_to_test_tree, return_parameter)
 
454
        self.assertEqual(tests[0].transport_server, server1)
 
455
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
456
        self.assertEqual(tests[1].intertree_class, formats[1][0])
 
457
        self.assertEqual(tests[1].workingtree_format, formats[1][1])
 
458
        self.assertEqual(tests[1].workingtree_format_to, formats[1][2])
 
459
        self.assertEqual(tests[1].mutable_trees_to_test_trees, formats[1][3])
 
460
        self.assertEqual(tests[1].workingtree_to_test_tree, return_parameter)
 
461
        self.assertEqual(tests[1].transport_server, server1)
 
462
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
463
 
 
464
 
 
465
class TestTestCaseInTempDir(TestCaseInTempDir):
 
466
 
 
467
    def test_home_is_not_working(self):
 
468
        self.assertNotEqual(self.test_dir, self.test_home_dir)
 
469
        cwd = osutils.getcwd()
 
470
        self.assertEqual(self.test_dir, cwd)
 
471
        self.assertEqual(self.test_home_dir, os.environ['HOME'])
 
472
 
 
473
 
 
474
class TestTestCaseWithMemoryTransport(TestCaseWithMemoryTransport):
 
475
 
 
476
    def test_home_is_non_existant_dir_under_root(self):
 
477
        """The test_home_dir for TestCaseWithMemoryTransport is missing.
 
478
 
 
479
        This is because TestCaseWithMemoryTransport is for tests that do not
 
480
        need any disk resources: they should be hooked into bzrlib in such a 
 
481
        way that no global settings are being changed by the test (only a 
 
482
        few tests should need to do that), and having a missing dir as home is
 
483
        an effective way to ensure that this is the case.
 
484
        """
 
485
        self.assertEqual(self.TEST_ROOT + "/MemoryTransportMissingHomeDir",
 
486
            self.test_home_dir)
 
487
        self.assertEqual(self.test_home_dir, os.environ['HOME'])
 
488
        
 
489
    def test_cwd_is_TEST_ROOT(self):
 
490
        self.assertEqual(self.test_dir, self.TEST_ROOT)
 
491
        cwd = osutils.getcwd()
 
492
        self.assertEqual(self.test_dir, cwd)
 
493
 
 
494
    def test_make_branch_and_memory_tree(self):
 
495
        """In TestCaseWithMemoryTransport we should not make the branch on disk.
 
496
 
 
497
        This is hard to comprehensively robustly test, so we settle for making
 
498
        a branch and checking no directory was created at its relpath.
 
499
        """
 
500
        tree = self.make_branch_and_memory_tree('dir')
 
501
        # Guard against regression into MemoryTransport leaking
 
502
        # files to disk instead of keeping them in memory.
 
503
        self.failIf(osutils.lexists('dir'))
 
504
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
505
 
 
506
    def test_make_branch_and_memory_tree_with_format(self):
 
507
        """make_branch_and_memory_tree should accept a format option."""
 
508
        format = bzrdir.BzrDirMetaFormat1()
 
509
        format.repository_format = weaverepo.RepositoryFormat7()
 
510
        tree = self.make_branch_and_memory_tree('dir', format=format)
 
511
        # Guard against regression into MemoryTransport leaking
 
512
        # files to disk instead of keeping them in memory.
 
513
        self.failIf(osutils.lexists('dir'))
 
514
        self.assertIsInstance(tree, memorytree.MemoryTree)
 
515
        self.assertEqual(format.repository_format.__class__,
 
516
            tree.branch.repository._format.__class__)
 
517
 
 
518
 
 
519
class TestTestCaseWithTransport(TestCaseWithTransport):
 
520
    """Tests for the convenience functions TestCaseWithTransport introduces."""
 
521
 
 
522
    def test_get_readonly_url_none(self):
 
523
        from bzrlib.transport import get_transport
 
524
        from bzrlib.transport.memory import MemoryServer
 
525
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
526
        self.vfs_transport_factory = MemoryServer
 
527
        self.transport_readonly_server = None
 
528
        # calling get_readonly_transport() constructs a decorator on the url
 
529
        # for the server
 
530
        url = self.get_readonly_url()
 
531
        url2 = self.get_readonly_url('foo/bar')
 
532
        t = get_transport(url)
 
533
        t2 = get_transport(url2)
 
534
        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
 
535
        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
 
536
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
537
 
 
538
    def test_get_readonly_url_http(self):
 
539
        from bzrlib.tests.HttpServer import HttpServer
 
540
        from bzrlib.transport import get_transport
 
541
        from bzrlib.transport.local import LocalURLServer
 
542
        from bzrlib.transport.http import HttpTransportBase
 
543
        self.transport_server = LocalURLServer
 
544
        self.transport_readonly_server = HttpServer
 
545
        # calling get_readonly_transport() gives us a HTTP server instance.
 
546
        url = self.get_readonly_url()
 
547
        url2 = self.get_readonly_url('foo/bar')
 
548
        # the transport returned may be any HttpTransportBase subclass
 
549
        t = get_transport(url)
 
550
        t2 = get_transport(url2)
 
551
        self.failUnless(isinstance(t, HttpTransportBase))
 
552
        self.failUnless(isinstance(t2, HttpTransportBase))
 
553
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
554
 
 
555
    def test_is_directory(self):
 
556
        """Test assertIsDirectory assertion"""
 
557
        t = self.get_transport()
 
558
        self.build_tree(['a_dir/', 'a_file'], transport=t)
 
559
        self.assertIsDirectory('a_dir', t)
 
560
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
 
561
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
 
562
 
 
563
 
 
564
class TestTestCaseTransports(TestCaseWithTransport):
 
565
 
 
566
    def setUp(self):
 
567
        super(TestTestCaseTransports, self).setUp()
 
568
        self.vfs_transport_factory = MemoryServer
 
569
 
 
570
    def test_make_bzrdir_preserves_transport(self):
 
571
        t = self.get_transport()
 
572
        result_bzrdir = self.make_bzrdir('subdir')
 
573
        self.assertIsInstance(result_bzrdir.transport, 
 
574
                              MemoryTransport)
 
575
        # should not be on disk, should only be in memory
 
576
        self.failIfExists('subdir')
 
577
 
 
578
 
 
579
class TestChrootedTest(ChrootedTestCase):
 
580
 
 
581
    def test_root_is_root(self):
 
582
        from bzrlib.transport import get_transport
 
583
        t = get_transport(self.get_readonly_url())
 
584
        url = t.base
 
585
        self.assertEqual(url, t.clone('..').base)
 
586
 
 
587
 
 
588
class MockProgress(_BaseProgressBar):
 
589
    """Progress-bar standin that records calls.
 
590
 
 
591
    Useful for testing pb using code.
 
592
    """
 
593
 
 
594
    def __init__(self):
 
595
        _BaseProgressBar.__init__(self)
 
596
        self.calls = []
 
597
 
 
598
    def tick(self):
 
599
        self.calls.append(('tick',))
 
600
 
 
601
    def update(self, msg=None, current=None, total=None):
 
602
        self.calls.append(('update', msg, current, total))
 
603
 
 
604
    def clear(self):
 
605
        self.calls.append(('clear',))
 
606
 
 
607
    def note(self, msg, *args):
 
608
        self.calls.append(('note', msg, args))
 
609
 
 
610
 
 
611
class TestTestResult(TestCase):
 
612
 
 
613
    def test_elapsed_time_with_benchmarking(self):
 
614
        result = bzrlib.tests.TextTestResult(self._log_file,
 
615
                                        descriptions=0,
 
616
                                        verbosity=1,
 
617
                                        )
 
618
        result._recordTestStartTime()
 
619
        time.sleep(0.003)
 
620
        result.extractBenchmarkTime(self)
 
621
        timed_string = result._testTimeString()
 
622
        # without explicit benchmarking, we should get a simple time.
 
623
        self.assertContainsRe(timed_string, "^ +[0-9]+ms$")
 
624
        # if a benchmark time is given, we want a x of y style result.
 
625
        self.time(time.sleep, 0.001)
 
626
        result.extractBenchmarkTime(self)
 
627
        timed_string = result._testTimeString()
 
628
        self.assertContainsRe(
 
629
            timed_string, "^ +[0-9]+ms/ +[0-9]+ms$")
 
630
        # extracting the time from a non-bzrlib testcase sets to None
 
631
        result._recordTestStartTime()
 
632
        result.extractBenchmarkTime(
 
633
            unittest.FunctionTestCase(self.test_elapsed_time_with_benchmarking))
 
634
        timed_string = result._testTimeString()
 
635
        self.assertContainsRe(timed_string, "^ +[0-9]+ms$")
 
636
        # cheat. Yes, wash thy mouth out with soap.
 
637
        self._benchtime = None
 
638
 
 
639
    def test_assigned_benchmark_file_stores_date(self):
 
640
        output = StringIO()
 
641
        result = bzrlib.tests.TextTestResult(self._log_file,
 
642
                                        descriptions=0,
 
643
                                        verbosity=1,
 
644
                                        bench_history=output
 
645
                                        )
 
646
        output_string = output.getvalue()
 
647
        
 
648
        # if you are wondering about the regexp please read the comment in
 
649
        # test_bench_history (bzrlib.tests.test_selftest.TestRunner)
 
650
        # XXX: what comment?  -- Andrew Bennetts
 
651
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
652
 
 
653
    def test_benchhistory_records_test_times(self):
 
654
        result_stream = StringIO()
 
655
        result = bzrlib.tests.TextTestResult(
 
656
            self._log_file,
 
657
            descriptions=0,
 
658
            verbosity=1,
 
659
            bench_history=result_stream
 
660
            )
 
661
 
 
662
        # we want profile a call and check that its test duration is recorded
 
663
        # make a new test instance that when run will generate a benchmark
 
664
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
665
        # execute the test, which should succeed and record times
 
666
        example_test_case.run(result)
 
667
        lines = result_stream.getvalue().splitlines()
 
668
        self.assertEqual(2, len(lines))
 
669
        self.assertContainsRe(lines[1],
 
670
            " *[0-9]+ms bzrlib.tests.test_selftest.TestTestResult"
 
671
            "._time_hello_world_encoding")
 
672
 
 
673
    def _time_hello_world_encoding(self):
 
674
        """Profile two sleep calls
 
675
        
 
676
        This is used to exercise the test framework.
 
677
        """
 
678
        self.time(unicode, 'hello', errors='replace')
 
679
        self.time(unicode, 'world', errors='replace')
 
680
 
 
681
    def test_lsprofiling(self):
 
682
        """Verbose test result prints lsprof statistics from test cases."""
 
683
        try:
 
684
            import bzrlib.lsprof
 
685
        except ImportError:
 
686
            raise TestSkipped("lsprof not installed.")
 
687
        result_stream = StringIO()
 
688
        result = bzrlib.tests.VerboseTestResult(
 
689
            unittest._WritelnDecorator(result_stream),
 
690
            descriptions=0,
 
691
            verbosity=2,
 
692
            )
 
693
        # we want profile a call of some sort and check it is output by
 
694
        # addSuccess. We dont care about addError or addFailure as they
 
695
        # are not that interesting for performance tuning.
 
696
        # make a new test instance that when run will generate a profile
 
697
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
698
        example_test_case._gather_lsprof_in_benchmarks = True
 
699
        # execute the test, which should succeed and record profiles
 
700
        example_test_case.run(result)
 
701
        # lsprofile_something()
 
702
        # if this worked we want 
 
703
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
 
704
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
 
705
        # (the lsprof header)
 
706
        # ... an arbitrary number of lines
 
707
        # and the function call which is time.sleep.
 
708
        #           1        0            ???         ???       ???(sleep) 
 
709
        # and then repeated but with 'world', rather than 'hello'.
 
710
        # this should appear in the output stream of our test result.
 
711
        output = result_stream.getvalue()
 
712
        self.assertContainsRe(output,
 
713
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
 
714
        self.assertContainsRe(output,
 
715
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
 
716
        self.assertContainsRe(output,
 
717
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
 
718
        self.assertContainsRe(output,
 
719
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
 
720
 
 
721
    def test_known_failure(self):
 
722
        """A KnownFailure being raised should trigger several result actions."""
 
723
        class InstrumentedTestResult(ExtendedTestResult):
 
724
 
 
725
            def report_test_start(self, test): pass
 
726
            def report_known_failure(self, test, err):
 
727
                self._call = test, err
 
728
        result = InstrumentedTestResult(None, None, None, None)
 
729
        def test_function():
 
730
            raise KnownFailure('failed!')
 
731
        test = unittest.FunctionTestCase(test_function)
 
732
        test.run(result)
 
733
        # it should invoke 'report_known_failure'.
 
734
        self.assertEqual(2, len(result._call))
 
735
        self.assertEqual(test, result._call[0])
 
736
        self.assertEqual(KnownFailure, result._call[1][0])
 
737
        self.assertIsInstance(result._call[1][1], KnownFailure)
 
738
        # we dont introspec the traceback, if the rest is ok, it would be
 
739
        # exceptional for it not to be.
 
740
        # it should update the known_failure_count on the object.
 
741
        self.assertEqual(1, result.known_failure_count)
 
742
        # the result should be successful.
 
743
        self.assertTrue(result.wasSuccessful())
 
744
 
 
745
    def test_verbose_report_known_failure(self):
 
746
        # verbose test output formatting
 
747
        result_stream = StringIO()
 
748
        result = bzrlib.tests.VerboseTestResult(
 
749
            unittest._WritelnDecorator(result_stream),
 
750
            descriptions=0,
 
751
            verbosity=2,
 
752
            )
 
753
        test = self.get_passing_test()
 
754
        result.startTest(test)
 
755
        result.extractBenchmarkTime(test)
 
756
        prefix = len(result_stream.getvalue())
 
757
        # the err parameter has the shape:
 
758
        # (class, exception object, traceback)
 
759
        # KnownFailures dont get their tracebacks shown though, so we
 
760
        # can skip that.
 
761
        err = (KnownFailure, KnownFailure('foo'), None)
 
762
        result.report_known_failure(test, err)
 
763
        output = result_stream.getvalue()[prefix:]
 
764
        lines = output.splitlines()
 
765
        self.assertContainsRe(lines[0], r'XFAIL *\d+ms$')
 
766
        self.assertEqual(lines[1], '    foo')
 
767
        self.assertEqual(2, len(lines))
 
768
 
 
769
    def test_text_report_known_failure(self):
 
770
        # text test output formatting
 
771
        pb = MockProgress()
 
772
        result = bzrlib.tests.TextTestResult(
 
773
            None,
 
774
            descriptions=0,
 
775
            verbosity=1,
 
776
            pb=pb,
 
777
            )
 
778
        test = self.get_passing_test()
 
779
        # this seeds the state to handle reporting the test.
 
780
        result.startTest(test)
 
781
        result.extractBenchmarkTime(test)
 
782
        # the err parameter has the shape:
 
783
        # (class, exception object, traceback)
 
784
        # KnownFailures dont get their tracebacks shown though, so we
 
785
        # can skip that.
 
786
        err = (KnownFailure, KnownFailure('foo'), None)
 
787
        result.report_known_failure(test, err)
 
788
        self.assertEqual(
 
789
            [
 
790
            ('update', '[1 in 0s] passing_test', None, None),
 
791
            ('note', 'XFAIL: %s\n%s\n', ('passing_test', err[1]))
 
792
            ],
 
793
            pb.calls)
 
794
        # known_failures should be printed in the summary, so if we run a test
 
795
        # after there are some known failures, the update prefix should match
 
796
        # this.
 
797
        result.known_failure_count = 3
 
798
        test.run(result)
 
799
        self.assertEqual(
 
800
            [
 
801
            ('update', '[2 in 0s, 3 known failures] passing_test', None, None),
 
802
            ],
 
803
            pb.calls[2:])
 
804
 
 
805
    def get_passing_test(self):
 
806
        """Return a test object that can't be run usefully."""
 
807
        def passing_test():
 
808
            pass
 
809
        return unittest.FunctionTestCase(passing_test)
 
810
 
 
811
    def test_add_not_supported(self):
 
812
        """Test the behaviour of invoking addNotSupported."""
 
813
        class InstrumentedTestResult(ExtendedTestResult):
 
814
            def report_test_start(self, test): pass
 
815
            def report_unsupported(self, test, feature):
 
816
                self._call = test, feature
 
817
        result = InstrumentedTestResult(None, None, None, None)
 
818
        test = SampleTestCase('_test_pass')
 
819
        feature = Feature()
 
820
        result.startTest(test)
 
821
        result.addNotSupported(test, feature)
 
822
        # it should invoke 'report_unsupported'.
 
823
        self.assertEqual(2, len(result._call))
 
824
        self.assertEqual(test, result._call[0])
 
825
        self.assertEqual(feature, result._call[1])
 
826
        # the result should be successful.
 
827
        self.assertTrue(result.wasSuccessful())
 
828
        # it should record the test against a count of tests not run due to
 
829
        # this feature.
 
830
        self.assertEqual(1, result.unsupported['Feature'])
 
831
        # and invoking it again should increment that counter
 
832
        result.addNotSupported(test, feature)
 
833
        self.assertEqual(2, result.unsupported['Feature'])
 
834
 
 
835
    def test_verbose_report_unsupported(self):
 
836
        # verbose test output formatting
 
837
        result_stream = StringIO()
 
838
        result = bzrlib.tests.VerboseTestResult(
 
839
            unittest._WritelnDecorator(result_stream),
 
840
            descriptions=0,
 
841
            verbosity=2,
 
842
            )
 
843
        test = self.get_passing_test()
 
844
        feature = Feature()
 
845
        result.startTest(test)
 
846
        result.extractBenchmarkTime(test)
 
847
        prefix = len(result_stream.getvalue())
 
848
        result.report_unsupported(test, feature)
 
849
        output = result_stream.getvalue()[prefix:]
 
850
        lines = output.splitlines()
 
851
        self.assertEqual(lines, ['NODEP                   0ms', "    The feature 'Feature' is not available."])
 
852
    
 
853
    def test_text_report_unsupported(self):
 
854
        # text test output formatting
 
855
        pb = MockProgress()
 
856
        result = bzrlib.tests.TextTestResult(
 
857
            None,
 
858
            descriptions=0,
 
859
            verbosity=1,
 
860
            pb=pb,
 
861
            )
 
862
        test = self.get_passing_test()
 
863
        feature = Feature()
 
864
        # this seeds the state to handle reporting the test.
 
865
        result.startTest(test)
 
866
        result.extractBenchmarkTime(test)
 
867
        result.report_unsupported(test, feature)
 
868
        # no output on unsupported features
 
869
        self.assertEqual(
 
870
            [('update', '[1 in 0s] passing_test', None, None)
 
871
            ],
 
872
            pb.calls)
 
873
        # the number of missing features should be printed in the progress
 
874
        # summary, so check for that.
 
875
        result.unsupported = {'foo':0, 'bar':0}
 
876
        test.run(result)
 
877
        self.assertEqual(
 
878
            [
 
879
            ('update', '[2 in 0s, 2 missing features] passing_test', None, None),
 
880
            ],
 
881
            pb.calls[1:])
 
882
    
 
883
    def test_unavailable_exception(self):
 
884
        """An UnavailableFeature being raised should invoke addNotSupported."""
 
885
        class InstrumentedTestResult(ExtendedTestResult):
 
886
 
 
887
            def report_test_start(self, test): pass
 
888
            def addNotSupported(self, test, feature):
 
889
                self._call = test, feature
 
890
        result = InstrumentedTestResult(None, None, None, None)
 
891
        feature = Feature()
 
892
        def test_function():
 
893
            raise UnavailableFeature(feature)
 
894
        test = unittest.FunctionTestCase(test_function)
 
895
        test.run(result)
 
896
        # it should invoke 'addNotSupported'.
 
897
        self.assertEqual(2, len(result._call))
 
898
        self.assertEqual(test, result._call[0])
 
899
        self.assertEqual(feature, result._call[1])
 
900
        # and not count as an error
 
901
        self.assertEqual(0, result.error_count)
 
902
 
 
903
 
 
904
class TestRunner(TestCase):
 
905
 
 
906
    def dummy_test(self):
 
907
        pass
 
908
 
 
909
    def run_test_runner(self, testrunner, test):
 
910
        """Run suite in testrunner, saving global state and restoring it.
 
911
 
 
912
        This current saves and restores:
 
913
        TestCaseInTempDir.TEST_ROOT
 
914
        
 
915
        There should be no tests in this file that use bzrlib.tests.TextTestRunner
 
916
        without using this convenience method, because of our use of global state.
 
917
        """
 
918
        old_root = TestCaseInTempDir.TEST_ROOT
 
919
        try:
 
920
            TestCaseInTempDir.TEST_ROOT = None
 
921
            return testrunner.run(test)
 
922
        finally:
 
923
            TestCaseInTempDir.TEST_ROOT = old_root
 
924
 
 
925
    def test_known_failure_failed_run(self):
 
926
        # run a test that generates a known failure which should be printed in
 
927
        # the final output when real failures occur.
 
928
        def known_failure_test():
 
929
            raise KnownFailure('failed')
 
930
        test = unittest.TestSuite()
 
931
        test.addTest(unittest.FunctionTestCase(known_failure_test))
 
932
        def failing_test():
 
933
            raise AssertionError('foo')
 
934
        test.addTest(unittest.FunctionTestCase(failing_test))
 
935
        stream = StringIO()
 
936
        runner = TextTestRunner(stream=stream)
 
937
        result = self.run_test_runner(runner, test)
 
938
        lines = stream.getvalue().splitlines()
 
939
        self.assertEqual([
 
940
            '',
 
941
            '======================================================================',
 
942
            'FAIL: unittest.FunctionTestCase (failing_test)',
 
943
            '----------------------------------------------------------------------',
 
944
            'Traceback (most recent call last):',
 
945
            '    raise AssertionError(\'foo\')',
 
946
            'AssertionError: foo',
 
947
            '',
 
948
            '----------------------------------------------------------------------',
 
949
            '',
 
950
            'FAILED (failures=1, known_failure_count=1)'],
 
951
            lines[0:5] + lines[6:10] + lines[11:])
 
952
 
 
953
    def test_known_failure_ok_run(self):
 
954
        # run a test that generates a known failure which should be printed in the final output.
 
955
        def known_failure_test():
 
956
            raise KnownFailure('failed')
 
957
        test = unittest.FunctionTestCase(known_failure_test)
 
958
        stream = StringIO()
 
959
        runner = TextTestRunner(stream=stream)
 
960
        result = self.run_test_runner(runner, test)
 
961
        self.assertContainsRe(stream.getvalue(),
 
962
            '\n'
 
963
            '-*\n'
 
964
            'Ran 1 test in .*\n'
 
965
            '\n'
 
966
            'OK \\(known_failures=1\\)\n')
 
967
 
 
968
    def test_skipped_test(self):
 
969
        # run a test that is skipped, and check the suite as a whole still
 
970
        # succeeds.
 
971
        # skipping_test must be hidden in here so it's not run as a real test
 
972
        def skipping_test():
 
973
            raise TestSkipped('test intentionally skipped')
 
974
 
 
975
        runner = TextTestRunner(stream=self._log_file, keep_output=True)
 
976
        test = unittest.FunctionTestCase(skipping_test)
 
977
        result = self.run_test_runner(runner, test)
 
978
        self.assertTrue(result.wasSuccessful())
 
979
 
 
980
    def test_skipped_from_setup(self):
 
981
        class SkippedSetupTest(TestCase):
 
982
 
 
983
            def setUp(self):
 
984
                self.counter = 1
 
985
                self.addCleanup(self.cleanup)
 
986
                raise TestSkipped('skipped setup')
 
987
 
 
988
            def test_skip(self):
 
989
                self.fail('test reached')
 
990
 
 
991
            def cleanup(self):
 
992
                self.counter -= 1
 
993
 
 
994
        runner = TextTestRunner(stream=self._log_file, keep_output=True)
 
995
        test = SkippedSetupTest('test_skip')
 
996
        result = self.run_test_runner(runner, test)
 
997
        self.assertTrue(result.wasSuccessful())
 
998
        # Check if cleanup was called the right number of times.
 
999
        self.assertEqual(0, test.counter)
 
1000
 
 
1001
    def test_skipped_from_test(self):
 
1002
        class SkippedTest(TestCase):
 
1003
 
 
1004
            def setUp(self):
 
1005
                self.counter = 1
 
1006
                self.addCleanup(self.cleanup)
 
1007
 
 
1008
            def test_skip(self):
 
1009
                raise TestSkipped('skipped test')
 
1010
 
 
1011
            def cleanup(self):
 
1012
                self.counter -= 1
 
1013
 
 
1014
        runner = TextTestRunner(stream=self._log_file, keep_output=True)
 
1015
        test = SkippedTest('test_skip')
 
1016
        result = self.run_test_runner(runner, test)
 
1017
        self.assertTrue(result.wasSuccessful())
 
1018
        # Check if cleanup was called the right number of times.
 
1019
        self.assertEqual(0, test.counter)
 
1020
 
 
1021
    def test_unsupported_features_listed(self):
 
1022
        """When unsupported features are encountered they are detailed."""
 
1023
        class Feature1(Feature):
 
1024
            def _probe(self): return False
 
1025
        class Feature2(Feature):
 
1026
            def _probe(self): return False
 
1027
        # create sample tests
 
1028
        test1 = SampleTestCase('_test_pass')
 
1029
        test1._test_needs_features = [Feature1()]
 
1030
        test2 = SampleTestCase('_test_pass')
 
1031
        test2._test_needs_features = [Feature2()]
 
1032
        test = unittest.TestSuite()
 
1033
        test.addTest(test1)
 
1034
        test.addTest(test2)
 
1035
        stream = StringIO()
 
1036
        runner = TextTestRunner(stream=stream)
 
1037
        result = self.run_test_runner(runner, test)
 
1038
        lines = stream.getvalue().splitlines()
 
1039
        self.assertEqual([
 
1040
            'OK',
 
1041
            "Missing feature 'Feature1' skipped 1 tests.",
 
1042
            "Missing feature 'Feature2' skipped 1 tests.",
 
1043
            ],
 
1044
            lines[-3:])
 
1045
 
 
1046
    def test_bench_history(self):
 
1047
        # tests that the running the benchmark produces a history file
 
1048
        # containing a timestamp and the revision id of the bzrlib source which
 
1049
        # was tested.
 
1050
        workingtree = _get_bzr_source_tree()
 
1051
        test = TestRunner('dummy_test')
 
1052
        output = StringIO()
 
1053
        runner = TextTestRunner(stream=self._log_file, bench_history=output)
 
1054
        result = self.run_test_runner(runner, test)
 
1055
        output_string = output.getvalue()
 
1056
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
1057
        if workingtree is not None:
 
1058
            revision_id = workingtree.get_parent_ids()[0]
 
1059
            self.assertEndsWith(output_string.rstrip(), revision_id)
 
1060
 
 
1061
    def test_success_log_deleted(self):
 
1062
        """Successful tests have their log deleted"""
 
1063
 
 
1064
        class LogTester(TestCase):
 
1065
 
 
1066
            def test_success(self):
 
1067
                self.log('this will be removed\n')
 
1068
 
 
1069
        sio = cStringIO.StringIO()
 
1070
        runner = TextTestRunner(stream=sio)
 
1071
        test = LogTester('test_success')
 
1072
        result = self.run_test_runner(runner, test)
 
1073
 
 
1074
        log = test._get_log()
 
1075
        self.assertEqual("DELETED log file to reduce memory footprint", log)
 
1076
        self.assertEqual('', test._log_contents)
 
1077
        self.assertIs(None, test._log_file_name)
 
1078
 
 
1079
    def test_fail_log_kept(self):
 
1080
        """Failed tests have their log kept"""
 
1081
 
 
1082
        class LogTester(TestCase):
 
1083
 
 
1084
            def test_fail(self):
 
1085
                self.log('this will be kept\n')
 
1086
                self.fail('this test fails')
 
1087
 
 
1088
        sio = cStringIO.StringIO()
 
1089
        runner = TextTestRunner(stream=sio)
 
1090
        test = LogTester('test_fail')
 
1091
        result = self.run_test_runner(runner, test)
 
1092
 
 
1093
        text = sio.getvalue()
 
1094
        self.assertContainsRe(text, 'this will be kept')
 
1095
        self.assertContainsRe(text, 'this test fails')
 
1096
 
 
1097
        log = test._get_log()
 
1098
        self.assertContainsRe(log, 'this will be kept')
 
1099
        self.assertEqual(log, test._log_contents)
 
1100
 
 
1101
    def test_error_log_kept(self):
 
1102
        """Tests with errors have their log kept"""
 
1103
 
 
1104
        class LogTester(TestCase):
 
1105
 
 
1106
            def test_error(self):
 
1107
                self.log('this will be kept\n')
 
1108
                raise ValueError('random exception raised')
 
1109
 
 
1110
        sio = cStringIO.StringIO()
 
1111
        runner = TextTestRunner(stream=sio)
 
1112
        test = LogTester('test_error')
 
1113
        result = self.run_test_runner(runner, test)
 
1114
 
 
1115
        text = sio.getvalue()
 
1116
        self.assertContainsRe(text, 'this will be kept')
 
1117
        self.assertContainsRe(text, 'random exception raised')
 
1118
 
 
1119
        log = test._get_log()
 
1120
        self.assertContainsRe(log, 'this will be kept')
 
1121
        self.assertEqual(log, test._log_contents)
 
1122
 
 
1123
 
 
1124
class SampleTestCase(TestCase):
 
1125
 
 
1126
    def _test_pass(self):
 
1127
        pass
 
1128
 
 
1129
 
 
1130
class TestTestCase(TestCase):
 
1131
    """Tests that test the core bzrlib TestCase."""
 
1132
 
 
1133
    def inner_test(self):
 
1134
        # the inner child test
 
1135
        note("inner_test")
 
1136
 
 
1137
    def outer_child(self):
 
1138
        # the outer child test
 
1139
        note("outer_start")
 
1140
        self.inner_test = TestTestCase("inner_child")
 
1141
        result = bzrlib.tests.TextTestResult(self._log_file,
 
1142
                                        descriptions=0,
 
1143
                                        verbosity=1)
 
1144
        self.inner_test.run(result)
 
1145
        note("outer finish")
 
1146
 
 
1147
    def test_trace_nesting(self):
 
1148
        # this tests that each test case nests its trace facility correctly.
 
1149
        # we do this by running a test case manually. That test case (A)
 
1150
        # should setup a new log, log content to it, setup a child case (B),
 
1151
        # which should log independently, then case (A) should log a trailer
 
1152
        # and return.
 
1153
        # we do two nested children so that we can verify the state of the 
 
1154
        # logs after the outer child finishes is correct, which a bad clean
 
1155
        # up routine in tearDown might trigger a fault in our test with only
 
1156
        # one child, we should instead see the bad result inside our test with
 
1157
        # the two children.
 
1158
        # the outer child test
 
1159
        original_trace = bzrlib.trace._trace_file
 
1160
        outer_test = TestTestCase("outer_child")
 
1161
        result = bzrlib.tests.TextTestResult(self._log_file,
 
1162
                                        descriptions=0,
 
1163
                                        verbosity=1)
 
1164
        outer_test.run(result)
 
1165
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
 
1166
 
 
1167
    def method_that_times_a_bit_twice(self):
 
1168
        # call self.time twice to ensure it aggregates
 
1169
        self.time(time.sleep, 0.007)
 
1170
        self.time(time.sleep, 0.007)
 
1171
 
 
1172
    def test_time_creates_benchmark_in_result(self):
 
1173
        """Test that the TestCase.time() method accumulates a benchmark time."""
 
1174
        sample_test = TestTestCase("method_that_times_a_bit_twice")
 
1175
        output_stream = StringIO()
 
1176
        result = bzrlib.tests.VerboseTestResult(
 
1177
            unittest._WritelnDecorator(output_stream),
 
1178
            descriptions=0,
 
1179
            verbosity=2,
 
1180
            num_tests=sample_test.countTestCases())
 
1181
        sample_test.run(result)
 
1182
        self.assertContainsRe(
 
1183
            output_stream.getvalue(),
 
1184
            r"\d+ms/ +\d+ms\n$")
 
1185
 
 
1186
    def test_hooks_sanitised(self):
 
1187
        """The bzrlib hooks should be sanitised by setUp."""
 
1188
        self.assertEqual(bzrlib.branch.BranchHooks(),
 
1189
            bzrlib.branch.Branch.hooks)
 
1190
        self.assertEqual(bzrlib.smart.server.SmartServerHooks(),
 
1191
            bzrlib.smart.server.SmartTCPServer.hooks)
 
1192
 
 
1193
    def test__gather_lsprof_in_benchmarks(self):
 
1194
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
 
1195
        
 
1196
        Each self.time() call is individually and separately profiled.
 
1197
        """
 
1198
        try:
 
1199
            import bzrlib.lsprof
 
1200
        except ImportError:
 
1201
            raise TestSkipped("lsprof not installed.")
 
1202
        # overrides the class member with an instance member so no cleanup 
 
1203
        # needed.
 
1204
        self._gather_lsprof_in_benchmarks = True
 
1205
        self.time(time.sleep, 0.000)
 
1206
        self.time(time.sleep, 0.003)
 
1207
        self.assertEqual(2, len(self._benchcalls))
 
1208
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
 
1209
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
 
1210
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
 
1211
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
 
1212
 
 
1213
    def test_knownFailure(self):
 
1214
        """Self.knownFailure() should raise a KnownFailure exception."""
 
1215
        self.assertRaises(KnownFailure, self.knownFailure, "A Failure")
 
1216
 
 
1217
    def test_requireFeature_available(self):
 
1218
        """self.requireFeature(available) is a no-op."""
 
1219
        class Available(Feature):
 
1220
            def _probe(self):return True
 
1221
        feature = Available()
 
1222
        self.requireFeature(feature)
 
1223
 
 
1224
    def test_requireFeature_unavailable(self):
 
1225
        """self.requireFeature(unavailable) raises UnavailableFeature."""
 
1226
        class Unavailable(Feature):
 
1227
            def _probe(self):return False
 
1228
        feature = Unavailable()
 
1229
        self.assertRaises(UnavailableFeature, self.requireFeature, feature)
 
1230
 
 
1231
    def test_run_no_parameters(self):
 
1232
        test = SampleTestCase('_test_pass')
 
1233
        test.run()
 
1234
    
 
1235
    def test_run_enabled_unittest_result(self):
 
1236
        """Test we revert to regular behaviour when the test is enabled."""
 
1237
        test = SampleTestCase('_test_pass')
 
1238
        class EnabledFeature(object):
 
1239
            def available(self):
 
1240
                return True
 
1241
        test._test_needs_features = [EnabledFeature()]
 
1242
        result = unittest.TestResult()
 
1243
        test.run(result)
 
1244
        self.assertEqual(1, result.testsRun)
 
1245
        self.assertEqual([], result.errors)
 
1246
        self.assertEqual([], result.failures)
 
1247
 
 
1248
    def test_run_disabled_unittest_result(self):
 
1249
        """Test our compatability for disabled tests with unittest results."""
 
1250
        test = SampleTestCase('_test_pass')
 
1251
        class DisabledFeature(object):
 
1252
            def available(self):
 
1253
                return False
 
1254
        test._test_needs_features = [DisabledFeature()]
 
1255
        result = unittest.TestResult()
 
1256
        test.run(result)
 
1257
        self.assertEqual(1, result.testsRun)
 
1258
        self.assertEqual([], result.errors)
 
1259
        self.assertEqual([], result.failures)
 
1260
 
 
1261
    def test_run_disabled_supporting_result(self):
 
1262
        """Test disabled tests behaviour with support aware results."""
 
1263
        test = SampleTestCase('_test_pass')
 
1264
        class DisabledFeature(object):
 
1265
            def available(self):
 
1266
                return False
 
1267
        the_feature = DisabledFeature()
 
1268
        test._test_needs_features = [the_feature]
 
1269
        class InstrumentedTestResult(unittest.TestResult):
 
1270
            def __init__(self):
 
1271
                unittest.TestResult.__init__(self)
 
1272
                self.calls = []
 
1273
            def startTest(self, test):
 
1274
                self.calls.append(('startTest', test))
 
1275
            def stopTest(self, test):
 
1276
                self.calls.append(('stopTest', test))
 
1277
            def addNotSupported(self, test, feature):
 
1278
                self.calls.append(('addNotSupported', test, feature))
 
1279
        result = InstrumentedTestResult()
 
1280
        test.run(result)
 
1281
        self.assertEqual([
 
1282
            ('startTest', test),
 
1283
            ('addNotSupported', test, the_feature),
 
1284
            ('stopTest', test),
 
1285
            ],
 
1286
            result.calls)
 
1287
 
 
1288
 
 
1289
@symbol_versioning.deprecated_function(zero_eleven)
 
1290
def sample_deprecated_function():
 
1291
    """A deprecated function to test applyDeprecated with."""
 
1292
    return 2
 
1293
 
 
1294
 
 
1295
def sample_undeprecated_function(a_param):
 
1296
    """A undeprecated function to test applyDeprecated with."""
 
1297
 
 
1298
 
 
1299
class ApplyDeprecatedHelper(object):
 
1300
    """A helper class for ApplyDeprecated tests."""
 
1301
 
 
1302
    @symbol_versioning.deprecated_method(zero_eleven)
 
1303
    def sample_deprecated_method(self, param_one):
 
1304
        """A deprecated method for testing with."""
 
1305
        return param_one
 
1306
 
 
1307
    def sample_normal_method(self):
 
1308
        """A undeprecated method."""
 
1309
 
 
1310
    @symbol_versioning.deprecated_method(zero_ten)
 
1311
    def sample_nested_deprecation(self):
 
1312
        return sample_deprecated_function()
 
1313
 
 
1314
 
 
1315
class TestExtraAssertions(TestCase):
 
1316
    """Tests for new test assertions in bzrlib test suite"""
 
1317
 
 
1318
    def test_assert_isinstance(self):
 
1319
        self.assertIsInstance(2, int)
 
1320
        self.assertIsInstance(u'', basestring)
 
1321
        self.assertRaises(AssertionError, self.assertIsInstance, None, int)
 
1322
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
 
1323
 
 
1324
    def test_assertEndsWith(self):
 
1325
        self.assertEndsWith('foo', 'oo')
 
1326
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
 
1327
 
 
1328
    def test_applyDeprecated_not_deprecated(self):
 
1329
        sample_object = ApplyDeprecatedHelper()
 
1330
        # calling an undeprecated callable raises an assertion
 
1331
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
1332
            sample_object.sample_normal_method)
 
1333
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
1334
            sample_undeprecated_function, "a param value")
 
1335
        # calling a deprecated callable (function or method) with the wrong
 
1336
        # expected deprecation fails.
 
1337
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
1338
            sample_object.sample_deprecated_method, "a param value")
 
1339
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
1340
            sample_deprecated_function)
 
1341
        # calling a deprecated callable (function or method) with the right
 
1342
        # expected deprecation returns the functions result.
 
1343
        self.assertEqual("a param value", self.applyDeprecated(zero_eleven,
 
1344
            sample_object.sample_deprecated_method, "a param value"))
 
1345
        self.assertEqual(2, self.applyDeprecated(zero_eleven,
 
1346
            sample_deprecated_function))
 
1347
        # calling a nested deprecation with the wrong deprecation version
 
1348
        # fails even if a deeper nested function was deprecated with the 
 
1349
        # supplied version.
 
1350
        self.assertRaises(AssertionError, self.applyDeprecated,
 
1351
            zero_eleven, sample_object.sample_nested_deprecation)
 
1352
        # calling a nested deprecation with the right deprecation value
 
1353
        # returns the calls result.
 
1354
        self.assertEqual(2, self.applyDeprecated(zero_ten,
 
1355
            sample_object.sample_nested_deprecation))
 
1356
 
 
1357
    def test_callDeprecated(self):
 
1358
        def testfunc(be_deprecated, result=None):
 
1359
            if be_deprecated is True:
 
1360
                symbol_versioning.warn('i am deprecated', DeprecationWarning, 
 
1361
                                       stacklevel=1)
 
1362
            return result
 
1363
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
 
1364
        self.assertIs(None, result)
 
1365
        result = self.callDeprecated([], testfunc, False, 'result')
 
1366
        self.assertEqual('result', result)
 
1367
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
 
1368
        self.callDeprecated([], testfunc, be_deprecated=False)
 
1369
 
 
1370
 
 
1371
class TestConvenienceMakers(TestCaseWithTransport):
 
1372
    """Test for the make_* convenience functions."""
 
1373
 
 
1374
    def test_make_branch_and_tree_with_format(self):
 
1375
        # we should be able to supply a format to make_branch_and_tree
 
1376
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
 
1377
        self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
 
1378
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
 
1379
                              bzrlib.bzrdir.BzrDirMetaFormat1)
 
1380
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
 
1381
                              bzrlib.bzrdir.BzrDirFormat6)
 
1382
 
 
1383
    def test_make_branch_and_memory_tree(self):
 
1384
        # we should be able to get a new branch and a mutable tree from
 
1385
        # TestCaseWithTransport
 
1386
        tree = self.make_branch_and_memory_tree('a')
 
1387
        self.assertIsInstance(tree, bzrlib.memorytree.MemoryTree)
 
1388
 
 
1389
 
 
1390
class TestSFTPMakeBranchAndTree(TestCaseWithSFTPServer):
 
1391
 
 
1392
    def test_make_tree_for_sftp_branch(self):
 
1393
        """Transports backed by local directories create local trees."""
 
1394
 
 
1395
        tree = self.make_branch_and_tree('t1')
 
1396
        base = tree.bzrdir.root_transport.base
 
1397
        self.failIf(base.startswith('sftp'),
 
1398
                'base %r is on sftp but should be local' % base)
 
1399
        self.assertEquals(tree.bzrdir.root_transport,
 
1400
                tree.branch.bzrdir.root_transport)
 
1401
        self.assertEquals(tree.bzrdir.root_transport,
 
1402
                tree.branch.repository.bzrdir.root_transport)
 
1403
 
 
1404
 
 
1405
class TestSelftest(TestCase):
 
1406
    """Tests of bzrlib.tests.selftest."""
 
1407
 
 
1408
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
 
1409
        factory_called = []
 
1410
        def factory():
 
1411
            factory_called.append(True)
 
1412
            return TestSuite()
 
1413
        out = StringIO()
 
1414
        err = StringIO()
 
1415
        self.apply_redirected(out, err, None, bzrlib.tests.selftest, 
 
1416
            test_suite_factory=factory)
 
1417
        self.assertEqual([True], factory_called)
 
1418
 
 
1419
 
 
1420
class TestSelftestCleanOutput(TestCaseInTempDir):
 
1421
 
 
1422
    def test_clean_output(self):
 
1423
        # test functionality of clean_selftest_output()
 
1424
        self.build_tree(['test0000.tmp/', 'test0001.tmp/',
 
1425
                         'bzrlib/', 'tests/',
 
1426
                         'bzr', 'setup.py', 'test9999.tmp'])
 
1427
 
 
1428
        root = os.getcwdu()
 
1429
        before = os.listdir(root)
 
1430
        before.sort()
 
1431
        self.assertEquals(['bzr','bzrlib','setup.py',
 
1432
                           'test0000.tmp','test0001.tmp',
 
1433
                           'test9999.tmp','tests'],
 
1434
                           before)
 
1435
        clean_selftest_output(root, quiet=True)
 
1436
        after = os.listdir(root)
 
1437
        after.sort()
 
1438
        self.assertEquals(['bzr','bzrlib','setup.py',
 
1439
                           'test9999.tmp','tests'],
 
1440
                           after)
 
1441
 
 
1442
    def test_clean_readonly(self):
 
1443
        # test for delete read-only files
 
1444
        self.build_tree(['test0000.tmp/', 'test0000.tmp/foo'])
 
1445
        osutils.make_readonly('test0000.tmp/foo')
 
1446
        root = os.getcwdu()
 
1447
        before = os.listdir(root);  before.sort()
 
1448
        self.assertEquals(['test0000.tmp'], before)
 
1449
        clean_selftest_output(root, quiet=True)
 
1450
        after = os.listdir(root);   after.sort()
 
1451
        self.assertEquals([], after)
 
1452
 
 
1453
 
 
1454
class TestKnownFailure(TestCase):
 
1455
 
 
1456
    def test_known_failure(self):
 
1457
        """Check that KnownFailure is defined appropriately."""
 
1458
        # a KnownFailure is an assertion error for compatability with unaware
 
1459
        # runners.
 
1460
        self.assertIsInstance(KnownFailure(""), AssertionError)
 
1461
 
 
1462
    def test_expect_failure(self):
 
1463
        try:
 
1464
            self.expectFailure("Doomed to failure", self.assertTrue, False)
 
1465
        except KnownFailure, e:
 
1466
            self.assertEqual('Doomed to failure', e.args[0])
 
1467
        try:
 
1468
            self.expectFailure("Doomed to failure", self.assertTrue, True)
 
1469
        except AssertionError, e:
 
1470
            self.assertEqual('Unexpected success.  Should have failed:'
 
1471
                             ' Doomed to failure', e.args[0])
 
1472
        else:
 
1473
            self.fail('Assertion not raised')
 
1474
 
 
1475
 
 
1476
class TestFeature(TestCase):
 
1477
 
 
1478
    def test_caching(self):
 
1479
        """Feature._probe is called by the feature at most once."""
 
1480
        class InstrumentedFeature(Feature):
 
1481
            def __init__(self):
 
1482
                Feature.__init__(self)
 
1483
                self.calls = []
 
1484
            def _probe(self):
 
1485
                self.calls.append('_probe')
 
1486
                return False
 
1487
        feature = InstrumentedFeature()
 
1488
        feature.available()
 
1489
        self.assertEqual(['_probe'], feature.calls)
 
1490
        feature.available()
 
1491
        self.assertEqual(['_probe'], feature.calls)
 
1492
 
 
1493
    def test_named_str(self):
 
1494
        """Feature.__str__ should thunk to feature_name()."""
 
1495
        class NamedFeature(Feature):
 
1496
            def feature_name(self):
 
1497
                return 'symlinks'
 
1498
        feature = NamedFeature()
 
1499
        self.assertEqual('symlinks', str(feature))
 
1500
 
 
1501
    def test_default_str(self):
 
1502
        """Feature.__str__ should default to __class__.__name__."""
 
1503
        class NamedFeature(Feature):
 
1504
            pass
 
1505
        feature = NamedFeature()
 
1506
        self.assertEqual('NamedFeature', str(feature))
 
1507
 
 
1508
 
 
1509
class TestUnavailableFeature(TestCase):
 
1510
 
 
1511
    def test_access_feature(self):
 
1512
        feature = Feature()
 
1513
        exception = UnavailableFeature(feature)
 
1514
        self.assertIs(feature, exception.args[0])
 
1515
 
 
1516
 
 
1517
class TestSelftestFiltering(TestCase):
 
1518
 
 
1519
    def setUp(self):
 
1520
        self.suite = TestUtil.TestSuite()
 
1521
        self.loader = TestUtil.TestLoader()
 
1522
        self.suite.addTest(self.loader.loadTestsFromModuleNames([
 
1523
            'bzrlib.tests.test_selftest']))
 
1524
        self.all_names = [t.id() for t in iter_suite_tests(self.suite)]
 
1525
 
 
1526
    def test_filter_suite_by_re(self):
 
1527
        filtered_suite = filter_suite_by_re(self.suite, 'test_filter')
 
1528
        filtered_names = [t.id() for t in iter_suite_tests(filtered_suite)]
 
1529
        self.assertEqual(filtered_names, ['bzrlib.tests.test_selftest.'
 
1530
            'TestSelftestFiltering.test_filter_suite_by_re'])
 
1531
            
 
1532
    def test_sort_suite_by_re(self):
 
1533
        sorted_suite = sort_suite_by_re(self.suite, 'test_filter')
 
1534
        sorted_names = [t.id() for t in iter_suite_tests(sorted_suite)]
 
1535
        self.assertEqual(sorted_names[0], 'bzrlib.tests.test_selftest.'
 
1536
            'TestSelftestFiltering.test_filter_suite_by_re')
 
1537
        self.assertEquals(sorted(self.all_names), sorted(sorted_names))
 
1538