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Viewing changes to bzrlib/tests/test_selftest.py

  • Committer: John Arbash Meinel
  • Date: 2006-09-12 22:12:30 UTC
  • mto: This revision was merged to the branch mainline in revision 2071.
  • Revision ID: john@arbash-meinel.com-20060912221230-d3980a26890a32e3
lazy_import bundle and bundle.commands

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1
# Copyright (C) 2005, 2006 by 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 version 2 as published by
 
5
# the Free Software Foundation.
 
6
#
 
7
# This program is distributed in the hope that it will be useful,
 
8
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
9
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
10
# GNU General Public License for more details.
 
11
#
 
12
# You should have received a copy of the GNU General Public License
 
13
# along with this program; if not, write to the Free Software
 
14
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
15
 
 
16
"""Tests for the test framework."""
 
17
 
 
18
import os
 
19
from StringIO import StringIO
 
20
import sys
 
21
import time
 
22
import unittest
 
23
import warnings
 
24
 
 
25
from bzrlib import osutils
 
26
import bzrlib
 
27
from bzrlib.progress import _BaseProgressBar
 
28
from bzrlib.tests import (
 
29
                          ChrootedTestCase,
 
30
                          TestCase,
 
31
                          TestCaseInTempDir,
 
32
                          TestCaseWithTransport,
 
33
                          TestSkipped,
 
34
                          TestSuite,
 
35
                          TextTestRunner,
 
36
                          )
 
37
from bzrlib.tests.TestUtil import _load_module_by_name
 
38
import bzrlib.errors as errors
 
39
from bzrlib import symbol_versioning
 
40
from bzrlib.symbol_versioning import zero_ten, zero_eleven
 
41
from bzrlib.trace import note
 
42
from bzrlib.version import _get_bzr_source_tree
 
43
 
 
44
 
 
45
class SelftestTests(TestCase):
 
46
 
 
47
    def test_import_tests(self):
 
48
        mod = _load_module_by_name('bzrlib.tests.test_selftest')
 
49
        self.assertEqual(mod.SelftestTests, SelftestTests)
 
50
 
 
51
    def test_import_test_failure(self):
 
52
        self.assertRaises(ImportError,
 
53
                          _load_module_by_name,
 
54
                          'bzrlib.no-name-yet')
 
55
 
 
56
 
 
57
class MetaTestLog(TestCase):
 
58
 
 
59
    def test_logging(self):
 
60
        """Test logs are captured when a test fails."""
 
61
        self.log('a test message')
 
62
        self._log_file.flush()
 
63
        self.assertContainsRe(self._get_log(), 'a test message\n')
 
64
 
 
65
 
 
66
class TestTreeShape(TestCaseInTempDir):
 
67
 
 
68
    def test_unicode_paths(self):
 
69
        filename = u'hell\u00d8'
 
70
        try:
 
71
            self.build_tree_contents([(filename, 'contents of hello')])
 
72
        except UnicodeEncodeError:
 
73
            raise TestSkipped("can't build unicode working tree in "
 
74
                "filesystem encoding %s" % sys.getfilesystemencoding())
 
75
        self.failUnlessExists(filename)
 
76
 
 
77
 
 
78
class TestTransportProviderAdapter(TestCase):
 
79
    """A group of tests that test the transport implementation adaption core.
 
80
 
 
81
    This is a meta test that the tests are applied to all available 
 
82
    transports.
 
83
 
 
84
    This will be generalised in the future which is why it is in this 
 
85
    test file even though it is specific to transport tests at the moment.
 
86
    """
 
87
 
 
88
    def test_get_transport_permutations(self):
 
89
        # this checks that we the module get_test_permutations call
 
90
        # is made by the adapter get_transport_test_permitations method.
 
91
        class MockModule(object):
 
92
            def get_test_permutations(self):
 
93
                return sample_permutation
 
94
        sample_permutation = [(1,2), (3,4)]
 
95
        from bzrlib.transport import TransportTestProviderAdapter
 
96
        adapter = TransportTestProviderAdapter()
 
97
        self.assertEqual(sample_permutation,
 
98
                         adapter.get_transport_test_permutations(MockModule()))
 
99
 
 
100
    def test_adapter_checks_all_modules(self):
 
101
        # this checks that the adapter returns as many permurtations as
 
102
        # there are in all the registered# transport modules for there
 
103
        # - we assume if this matches its probably doing the right thing
 
104
        # especially in combination with the tests for setting the right
 
105
        # classes below.
 
106
        from bzrlib.transport import (TransportTestProviderAdapter,
 
107
                                      _get_transport_modules
 
108
                                      )
 
109
        modules = _get_transport_modules()
 
110
        permutation_count = 0
 
111
        for module in modules:
 
112
            try:
 
113
                permutation_count += len(reduce(getattr, 
 
114
                    (module + ".get_test_permutations").split('.')[1:],
 
115
                     __import__(module))())
 
116
            except errors.DependencyNotPresent:
 
117
                pass
 
118
        input_test = TestTransportProviderAdapter(
 
119
            "test_adapter_sets_transport_class")
 
120
        adapter = TransportTestProviderAdapter()
 
121
        self.assertEqual(permutation_count,
 
122
                         len(list(iter(adapter.adapt(input_test)))))
 
123
 
 
124
    def test_adapter_sets_transport_class(self):
 
125
        # Check that the test adapter inserts a transport and server into the
 
126
        # generated test.
 
127
        #
 
128
        # This test used to know about all the possible transports and the
 
129
        # order they were returned but that seems overly brittle (mbp
 
130
        # 20060307)
 
131
        input_test = TestTransportProviderAdapter(
 
132
            "test_adapter_sets_transport_class")
 
133
        from bzrlib.transport import TransportTestProviderAdapter
 
134
        suite = TransportTestProviderAdapter().adapt(input_test)
 
135
        tests = list(iter(suite))
 
136
        self.assertTrue(len(tests) > 6)
 
137
        # there are at least that many builtin transports
 
138
        one_test = tests[0]
 
139
        self.assertTrue(issubclass(one_test.transport_class, 
 
140
                                   bzrlib.transport.Transport))
 
141
        self.assertTrue(issubclass(one_test.transport_server, 
 
142
                                   bzrlib.transport.Server))
 
143
 
 
144
 
 
145
class TestBranchProviderAdapter(TestCase):
 
146
    """A group of tests that test the branch implementation test adapter."""
 
147
 
 
148
    def test_adapted_tests(self):
 
149
        # check that constructor parameters are passed through to the adapted
 
150
        # test.
 
151
        from bzrlib.branch import BranchTestProviderAdapter
 
152
        input_test = TestBranchProviderAdapter(
 
153
            "test_adapted_tests")
 
154
        server1 = "a"
 
155
        server2 = "b"
 
156
        formats = [("c", "C"), ("d", "D")]
 
157
        adapter = BranchTestProviderAdapter(server1, server2, formats)
 
158
        suite = adapter.adapt(input_test)
 
159
        tests = list(iter(suite))
 
160
        self.assertEqual(2, len(tests))
 
161
        self.assertEqual(tests[0].branch_format, formats[0][0])
 
162
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
163
        self.assertEqual(tests[0].transport_server, server1)
 
164
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
165
        self.assertEqual(tests[1].branch_format, formats[1][0])
 
166
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
167
        self.assertEqual(tests[1].transport_server, server1)
 
168
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
169
 
 
170
 
 
171
class TestBzrDirProviderAdapter(TestCase):
 
172
    """A group of tests that test the bzr dir implementation test adapter."""
 
173
 
 
174
    def test_adapted_tests(self):
 
175
        # check that constructor parameters are passed through to the adapted
 
176
        # test.
 
177
        from bzrlib.bzrdir import BzrDirTestProviderAdapter
 
178
        input_test = TestBzrDirProviderAdapter(
 
179
            "test_adapted_tests")
 
180
        server1 = "a"
 
181
        server2 = "b"
 
182
        formats = ["c", "d"]
 
183
        adapter = BzrDirTestProviderAdapter(server1, server2, formats)
 
184
        suite = adapter.adapt(input_test)
 
185
        tests = list(iter(suite))
 
186
        self.assertEqual(2, len(tests))
 
187
        self.assertEqual(tests[0].bzrdir_format, formats[0])
 
188
        self.assertEqual(tests[0].transport_server, server1)
 
189
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
190
        self.assertEqual(tests[1].bzrdir_format, formats[1])
 
191
        self.assertEqual(tests[1].transport_server, server1)
 
192
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
193
 
 
194
 
 
195
class TestRepositoryProviderAdapter(TestCase):
 
196
    """A group of tests that test the repository implementation test adapter."""
 
197
 
 
198
    def test_adapted_tests(self):
 
199
        # check that constructor parameters are passed through to the adapted
 
200
        # test.
 
201
        from bzrlib.repository import RepositoryTestProviderAdapter
 
202
        input_test = TestRepositoryProviderAdapter(
 
203
            "test_adapted_tests")
 
204
        server1 = "a"
 
205
        server2 = "b"
 
206
        formats = [("c", "C"), ("d", "D")]
 
207
        adapter = RepositoryTestProviderAdapter(server1, server2, formats)
 
208
        suite = adapter.adapt(input_test)
 
209
        tests = list(iter(suite))
 
210
        self.assertEqual(2, len(tests))
 
211
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
212
        self.assertEqual(tests[0].repository_format, formats[0][0])
 
213
        self.assertEqual(tests[0].transport_server, server1)
 
214
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
215
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
216
        self.assertEqual(tests[1].repository_format, formats[1][0])
 
217
        self.assertEqual(tests[1].transport_server, server1)
 
218
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
219
 
 
220
 
 
221
class TestInterRepositoryProviderAdapter(TestCase):
 
222
    """A group of tests that test the InterRepository test adapter."""
 
223
 
 
224
    def test_adapted_tests(self):
 
225
        # check that constructor parameters are passed through to the adapted
 
226
        # test.
 
227
        from bzrlib.repository import InterRepositoryTestProviderAdapter
 
228
        input_test = TestInterRepositoryProviderAdapter(
 
229
            "test_adapted_tests")
 
230
        server1 = "a"
 
231
        server2 = "b"
 
232
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
233
        adapter = InterRepositoryTestProviderAdapter(server1, server2, formats)
 
234
        suite = adapter.adapt(input_test)
 
235
        tests = list(iter(suite))
 
236
        self.assertEqual(2, len(tests))
 
237
        self.assertEqual(tests[0].interrepo_class, formats[0][0])
 
238
        self.assertEqual(tests[0].repository_format, formats[0][1])
 
239
        self.assertEqual(tests[0].repository_format_to, formats[0][2])
 
240
        self.assertEqual(tests[0].transport_server, server1)
 
241
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
242
        self.assertEqual(tests[1].interrepo_class, formats[1][0])
 
243
        self.assertEqual(tests[1].repository_format, formats[1][1])
 
244
        self.assertEqual(tests[1].repository_format_to, formats[1][2])
 
245
        self.assertEqual(tests[1].transport_server, server1)
 
246
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
247
 
 
248
 
 
249
class TestInterVersionedFileProviderAdapter(TestCase):
 
250
    """A group of tests that test the InterVersionedFile test adapter."""
 
251
 
 
252
    def test_adapted_tests(self):
 
253
        # check that constructor parameters are passed through to the adapted
 
254
        # test.
 
255
        from bzrlib.versionedfile import InterVersionedFileTestProviderAdapter
 
256
        input_test = TestInterRepositoryProviderAdapter(
 
257
            "test_adapted_tests")
 
258
        server1 = "a"
 
259
        server2 = "b"
 
260
        formats = [(str, "C1", "C2"), (int, "D1", "D2")]
 
261
        adapter = InterVersionedFileTestProviderAdapter(server1, server2, formats)
 
262
        suite = adapter.adapt(input_test)
 
263
        tests = list(iter(suite))
 
264
        self.assertEqual(2, len(tests))
 
265
        self.assertEqual(tests[0].interversionedfile_class, formats[0][0])
 
266
        self.assertEqual(tests[0].versionedfile_factory, formats[0][1])
 
267
        self.assertEqual(tests[0].versionedfile_factory_to, formats[0][2])
 
268
        self.assertEqual(tests[0].transport_server, server1)
 
269
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
270
        self.assertEqual(tests[1].interversionedfile_class, formats[1][0])
 
271
        self.assertEqual(tests[1].versionedfile_factory, formats[1][1])
 
272
        self.assertEqual(tests[1].versionedfile_factory_to, formats[1][2])
 
273
        self.assertEqual(tests[1].transport_server, server1)
 
274
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
275
 
 
276
 
 
277
class TestRevisionStoreProviderAdapter(TestCase):
 
278
    """A group of tests that test the RevisionStore test adapter."""
 
279
 
 
280
    def test_adapted_tests(self):
 
281
        # check that constructor parameters are passed through to the adapted
 
282
        # test.
 
283
        from bzrlib.store.revision import RevisionStoreTestProviderAdapter
 
284
        input_test = TestRevisionStoreProviderAdapter(
 
285
            "test_adapted_tests")
 
286
        # revision stores need a store factory - i.e. RevisionKnit
 
287
        #, a readonly and rw transport 
 
288
        # transport servers:
 
289
        server1 = "a"
 
290
        server2 = "b"
 
291
        store_factories = ["c", "d"]
 
292
        adapter = RevisionStoreTestProviderAdapter(server1, server2, store_factories)
 
293
        suite = adapter.adapt(input_test)
 
294
        tests = list(iter(suite))
 
295
        self.assertEqual(2, len(tests))
 
296
        self.assertEqual(tests[0].store_factory, store_factories[0][0])
 
297
        self.assertEqual(tests[0].transport_server, server1)
 
298
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
299
        self.assertEqual(tests[1].store_factory, store_factories[1][0])
 
300
        self.assertEqual(tests[1].transport_server, server1)
 
301
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
302
 
 
303
 
 
304
class TestWorkingTreeProviderAdapter(TestCase):
 
305
    """A group of tests that test the workingtree implementation test adapter."""
 
306
 
 
307
    def test_adapted_tests(self):
 
308
        # check that constructor parameters are passed through to the adapted
 
309
        # test.
 
310
        from bzrlib.workingtree import WorkingTreeTestProviderAdapter
 
311
        input_test = TestWorkingTreeProviderAdapter(
 
312
            "test_adapted_tests")
 
313
        server1 = "a"
 
314
        server2 = "b"
 
315
        formats = [("c", "C"), ("d", "D")]
 
316
        adapter = WorkingTreeTestProviderAdapter(server1, server2, formats)
 
317
        suite = adapter.adapt(input_test)
 
318
        tests = list(iter(suite))
 
319
        self.assertEqual(2, len(tests))
 
320
        self.assertEqual(tests[0].workingtree_format, formats[0][0])
 
321
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
322
        self.assertEqual(tests[0].transport_server, server1)
 
323
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
324
        self.assertEqual(tests[1].workingtree_format, formats[1][0])
 
325
        self.assertEqual(tests[1].bzrdir_format, formats[1][1])
 
326
        self.assertEqual(tests[1].transport_server, server1)
 
327
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
328
 
 
329
 
 
330
class TestTreeProviderAdapter(TestCase):
 
331
    """Test the setup of tree_implementation tests."""
 
332
 
 
333
    def test_adapted_tests(self):
 
334
        # the tree implementation adapter is meant to setup one instance for
 
335
        # each working tree format, and one additional instance that will
 
336
        # use the default wt format, but create a revision tree for the tests.
 
337
        # this means that the wt ones should have the workingtree_to_test_tree
 
338
        # attribute set to 'return_parameter' and the revision one set to
 
339
        # revision_tree_from_workingtree.
 
340
 
 
341
        from bzrlib.tests.tree_implementations import (
 
342
            TreeTestProviderAdapter,
 
343
            return_parameter,
 
344
            revision_tree_from_workingtree
 
345
            )
 
346
        from bzrlib.workingtree import WorkingTreeFormat
 
347
        input_test = TestTreeProviderAdapter(
 
348
            "test_adapted_tests")
 
349
        server1 = "a"
 
350
        server2 = "b"
 
351
        formats = [("c", "C"), ("d", "D")]
 
352
        adapter = TreeTestProviderAdapter(server1, server2, formats)
 
353
        suite = adapter.adapt(input_test)
 
354
        tests = list(iter(suite))
 
355
        self.assertEqual(3, len(tests))
 
356
        default_format = WorkingTreeFormat.get_default_format()
 
357
        self.assertEqual(tests[0].workingtree_format, formats[0][0])
 
358
        self.assertEqual(tests[0].bzrdir_format, formats[0][1])
 
359
        self.assertEqual(tests[0].transport_server, server1)
 
360
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
361
        self.assertEqual(tests[0].workingtree_to_test_tree, return_parameter)
 
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
        self.assertEqual(tests[1].workingtree_to_test_tree, return_parameter)
 
367
        self.assertEqual(tests[2].workingtree_format, default_format)
 
368
        self.assertEqual(tests[2].bzrdir_format, default_format._matchingbzrdir)
 
369
        self.assertEqual(tests[2].transport_server, server1)
 
370
        self.assertEqual(tests[2].transport_readonly_server, server2)
 
371
        self.assertEqual(tests[2].workingtree_to_test_tree,
 
372
            revision_tree_from_workingtree)
 
373
 
 
374
 
 
375
class TestInterTreeProviderAdapter(TestCase):
 
376
    """A group of tests that test the InterTreeTestAdapter."""
 
377
 
 
378
    def test_adapted_tests(self):
 
379
        # check that constructor parameters are passed through to the adapted
 
380
        # test.
 
381
        # for InterTree tests we want the machinery to bring up two trees in
 
382
        # each instance: the base one, and the one we are interacting with.
 
383
        # because each optimiser can be direction specific, we need to test
 
384
        # each optimiser in its chosen direction.
 
385
        # unlike the TestProviderAdapter we dont want to automatically add a
 
386
        # parameterised one for WorkingTree - the optimisers will tell us what
 
387
        # ones to add.
 
388
        from bzrlib.tests.tree_implementations import (
 
389
            return_parameter,
 
390
            revision_tree_from_workingtree
 
391
            )
 
392
        from bzrlib.tests.intertree_implementations import (
 
393
            InterTreeTestProviderAdapter,
 
394
            )
 
395
        from bzrlib.workingtree import WorkingTreeFormat2, WorkingTreeFormat3
 
396
        input_test = TestInterTreeProviderAdapter(
 
397
            "test_adapted_tests")
 
398
        server1 = "a"
 
399
        server2 = "b"
 
400
        format1 = WorkingTreeFormat2()
 
401
        format2 = WorkingTreeFormat3()
 
402
        formats = [(str, format1, format2, False, True),
 
403
            (int, format2, format1, False, True)]
 
404
        adapter = InterTreeTestProviderAdapter(server1, server2, formats)
 
405
        suite = adapter.adapt(input_test)
 
406
        tests = list(iter(suite))
 
407
        self.assertEqual(2, len(tests))
 
408
        self.assertEqual(tests[0].intertree_class, formats[0][0])
 
409
        self.assertEqual(tests[0].workingtree_format, formats[0][1])
 
410
        self.assertEqual(tests[0].workingtree_to_test_tree, formats[0][2])
 
411
        self.assertEqual(tests[0].workingtree_format_to, formats[0][3])
 
412
        self.assertEqual(tests[0].workingtree_to_test_tree_to, formats[0][4])
 
413
        self.assertEqual(tests[0].transport_server, server1)
 
414
        self.assertEqual(tests[0].transport_readonly_server, server2)
 
415
        self.assertEqual(tests[1].intertree_class, formats[1][0])
 
416
        self.assertEqual(tests[1].workingtree_format, formats[1][1])
 
417
        self.assertEqual(tests[1].workingtree_to_test_tree, formats[1][2])
 
418
        self.assertEqual(tests[1].workingtree_format_to, formats[1][3])
 
419
        self.assertEqual(tests[1].workingtree_to_test_tree_to, formats[1][4])
 
420
        self.assertEqual(tests[1].transport_server, server1)
 
421
        self.assertEqual(tests[1].transport_readonly_server, server2)
 
422
 
 
423
 
 
424
class TestTestCaseInTempDir(TestCaseInTempDir):
 
425
 
 
426
    def test_home_is_not_working(self):
 
427
        self.assertNotEqual(self.test_dir, self.test_home_dir)
 
428
        cwd = osutils.getcwd()
 
429
        self.assertEqual(self.test_dir, cwd)
 
430
        self.assertEqual(self.test_home_dir, os.environ['HOME'])
 
431
 
 
432
 
 
433
class TestTestCaseWithTransport(TestCaseWithTransport):
 
434
    """Tests for the convenience functions TestCaseWithTransport introduces."""
 
435
 
 
436
    def test_get_readonly_url_none(self):
 
437
        from bzrlib.transport import get_transport
 
438
        from bzrlib.transport.memory import MemoryServer
 
439
        from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
440
        self.transport_server = MemoryServer
 
441
        self.transport_readonly_server = None
 
442
        # calling get_readonly_transport() constructs a decorator on the url
 
443
        # for the server
 
444
        url = self.get_readonly_url()
 
445
        url2 = self.get_readonly_url('foo/bar')
 
446
        t = get_transport(url)
 
447
        t2 = get_transport(url2)
 
448
        self.failUnless(isinstance(t, ReadonlyTransportDecorator))
 
449
        self.failUnless(isinstance(t2, ReadonlyTransportDecorator))
 
450
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
451
 
 
452
    def test_get_readonly_url_http(self):
 
453
        from bzrlib.transport import get_transport
 
454
        from bzrlib.transport.local import LocalRelpathServer
 
455
        from bzrlib.transport.http import HttpServer, HttpTransportBase
 
456
        self.transport_server = LocalRelpathServer
 
457
        self.transport_readonly_server = HttpServer
 
458
        # calling get_readonly_transport() gives us a HTTP server instance.
 
459
        url = self.get_readonly_url()
 
460
        url2 = self.get_readonly_url('foo/bar')
 
461
        # the transport returned may be any HttpTransportBase subclass
 
462
        t = get_transport(url)
 
463
        t2 = get_transport(url2)
 
464
        self.failUnless(isinstance(t, HttpTransportBase))
 
465
        self.failUnless(isinstance(t2, HttpTransportBase))
 
466
        self.assertEqual(t2.base[:-1], t.abspath('foo/bar'))
 
467
 
 
468
    def test_is_directory(self):
 
469
        """Test assertIsDirectory assertion"""
 
470
        t = self.get_transport()
 
471
        self.build_tree(['a_dir/', 'a_file'], transport=t)
 
472
        self.assertIsDirectory('a_dir', t)
 
473
        self.assertRaises(AssertionError, self.assertIsDirectory, 'a_file', t)
 
474
        self.assertRaises(AssertionError, self.assertIsDirectory, 'not_here', t)
 
475
 
 
476
 
 
477
class TestChrootedTest(ChrootedTestCase):
 
478
 
 
479
    def test_root_is_root(self):
 
480
        from bzrlib.transport import get_transport
 
481
        t = get_transport(self.get_readonly_url())
 
482
        url = t.base
 
483
        self.assertEqual(url, t.clone('..').base)
 
484
 
 
485
 
 
486
class MockProgress(_BaseProgressBar):
 
487
    """Progress-bar standin that records calls.
 
488
 
 
489
    Useful for testing pb using code.
 
490
    """
 
491
 
 
492
    def __init__(self):
 
493
        _BaseProgressBar.__init__(self)
 
494
        self.calls = []
 
495
 
 
496
    def tick(self):
 
497
        self.calls.append(('tick',))
 
498
 
 
499
    def update(self, msg=None, current=None, total=None):
 
500
        self.calls.append(('update', msg, current, total))
 
501
 
 
502
    def clear(self):
 
503
        self.calls.append(('clear',))
 
504
 
 
505
    def note(self, msg, *args):
 
506
        self.calls.append(('note', msg, args))
 
507
 
 
508
 
 
509
class TestTestResult(TestCase):
 
510
 
 
511
    def test_progress_bar_style_quiet(self):
 
512
        # test using a progress bar.
 
513
        dummy_test = TestTestResult('test_progress_bar_style_quiet')
 
514
        dummy_error = (Exception, None, [])
 
515
        mypb = MockProgress()
 
516
        mypb.update('Running tests', 0, 4)
 
517
        last_calls = mypb.calls[:]
 
518
 
 
519
        result = bzrlib.tests._MyResult(self._log_file,
 
520
                                        descriptions=0,
 
521
                                        verbosity=1,
 
522
                                        pb=mypb)
 
523
        self.assertEqual(last_calls, mypb.calls)
 
524
 
 
525
        def shorten(s):
 
526
            """Shorten a string based on the terminal width"""
 
527
            return result._ellipsise_unimportant_words(s,
 
528
                                 osutils.terminal_width())
 
529
 
 
530
        # an error 
 
531
        result.startTest(dummy_test)
 
532
        # starting a test prints the test name
 
533
        last_calls += [('update', '...tyle_quiet', 0, None)]
 
534
        self.assertEqual(last_calls, mypb.calls)
 
535
        result.addError(dummy_test, dummy_error)
 
536
        last_calls += [('update', 'ERROR        ', 1, None),
 
537
                       ('note', shorten(dummy_test.id() + ': ERROR'), ())
 
538
                      ]
 
539
        self.assertEqual(last_calls, mypb.calls)
 
540
 
 
541
        # a failure
 
542
        result.startTest(dummy_test)
 
543
        last_calls += [('update', '...tyle_quiet', 1, None)]
 
544
        self.assertEqual(last_calls, mypb.calls)
 
545
        last_calls += [('update', 'FAIL         ', 2, None),
 
546
                       ('note', shorten(dummy_test.id() + ': FAIL'), ())
 
547
                      ]
 
548
        result.addFailure(dummy_test, dummy_error)
 
549
        self.assertEqual(last_calls, mypb.calls)
 
550
 
 
551
        # a success
 
552
        result.startTest(dummy_test)
 
553
        last_calls += [('update', '...tyle_quiet', 2, None)]
 
554
        self.assertEqual(last_calls, mypb.calls)
 
555
        result.addSuccess(dummy_test)
 
556
        last_calls += [('update', 'OK           ', 3, None)]
 
557
        self.assertEqual(last_calls, mypb.calls)
 
558
 
 
559
        # a skip
 
560
        result.startTest(dummy_test)
 
561
        last_calls += [('update', '...tyle_quiet', 3, None)]
 
562
        self.assertEqual(last_calls, mypb.calls)
 
563
        result.addSkipped(dummy_test, dummy_error)
 
564
        last_calls += [('update', 'SKIP         ', 4, None)]
 
565
        self.assertEqual(last_calls, mypb.calls)
 
566
 
 
567
    def test_elapsed_time_with_benchmarking(self):
 
568
        result = bzrlib.tests._MyResult(self._log_file,
 
569
                                        descriptions=0,
 
570
                                        verbosity=1,
 
571
                                        )
 
572
        result._recordTestStartTime()
 
573
        time.sleep(0.003)
 
574
        result.extractBenchmarkTime(self)
 
575
        timed_string = result._testTimeString()
 
576
        # without explicit benchmarking, we should get a simple time.
 
577
        self.assertContainsRe(timed_string, "^         [ 1-9][0-9]ms$")
 
578
        # if a benchmark time is given, we want a x of y style result.
 
579
        self.time(time.sleep, 0.001)
 
580
        result.extractBenchmarkTime(self)
 
581
        timed_string = result._testTimeString()
 
582
        self.assertContainsRe(timed_string, "^   [ 1-9][0-9]ms/   [ 1-9][0-9]ms$")
 
583
        # extracting the time from a non-bzrlib testcase sets to None
 
584
        result._recordTestStartTime()
 
585
        result.extractBenchmarkTime(
 
586
            unittest.FunctionTestCase(self.test_elapsed_time_with_benchmarking))
 
587
        timed_string = result._testTimeString()
 
588
        self.assertContainsRe(timed_string, "^         [ 1-9][0-9]ms$")
 
589
        # cheat. Yes, wash thy mouth out with soap.
 
590
        self._benchtime = None
 
591
 
 
592
    def test_assigned_benchmark_file_stores_date(self):
 
593
        output = StringIO()
 
594
        result = bzrlib.tests._MyResult(self._log_file,
 
595
                                        descriptions=0,
 
596
                                        verbosity=1,
 
597
                                        bench_history=output
 
598
                                        )
 
599
        output_string = output.getvalue()
 
600
        # if you are wondering about the regexp please read the comment in
 
601
        # test_bench_history (bzrlib.tests.test_selftest.TestRunner)
 
602
        # XXX: what comment?  -- Andrew Bennetts
 
603
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
604
 
 
605
    def test_benchhistory_records_test_times(self):
 
606
        result_stream = StringIO()
 
607
        result = bzrlib.tests._MyResult(
 
608
            self._log_file,
 
609
            descriptions=0,
 
610
            verbosity=1,
 
611
            bench_history=result_stream
 
612
            )
 
613
 
 
614
        # we want profile a call and check that its test duration is recorded
 
615
        # make a new test instance that when run will generate a benchmark
 
616
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
617
        # execute the test, which should succeed and record times
 
618
        example_test_case.run(result)
 
619
        lines = result_stream.getvalue().splitlines()
 
620
        self.assertEqual(2, len(lines))
 
621
        self.assertContainsRe(lines[1],
 
622
            " *[0-9]+ms bzrlib.tests.test_selftest.TestTestResult"
 
623
            "._time_hello_world_encoding")
 
624
 
 
625
    def _time_hello_world_encoding(self):
 
626
        """Profile two sleep calls
 
627
        
 
628
        This is used to exercise the test framework.
 
629
        """
 
630
        self.time(unicode, 'hello', errors='replace')
 
631
        self.time(unicode, 'world', errors='replace')
 
632
 
 
633
    def test_lsprofiling(self):
 
634
        """Verbose test result prints lsprof statistics from test cases."""
 
635
        try:
 
636
            import bzrlib.lsprof
 
637
        except ImportError:
 
638
            raise TestSkipped("lsprof not installed.")
 
639
        result_stream = StringIO()
 
640
        result = bzrlib.tests._MyResult(
 
641
            unittest._WritelnDecorator(result_stream),
 
642
            descriptions=0,
 
643
            verbosity=2,
 
644
            )
 
645
        # we want profile a call of some sort and check it is output by
 
646
        # addSuccess. We dont care about addError or addFailure as they
 
647
        # are not that interesting for performance tuning.
 
648
        # make a new test instance that when run will generate a profile
 
649
        example_test_case = TestTestResult("_time_hello_world_encoding")
 
650
        example_test_case._gather_lsprof_in_benchmarks = True
 
651
        # execute the test, which should succeed and record profiles
 
652
        example_test_case.run(result)
 
653
        # lsprofile_something()
 
654
        # if this worked we want 
 
655
        # LSProf output for <built in function unicode> (['hello'], {'errors': 'replace'})
 
656
        #    CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
 
657
        # (the lsprof header)
 
658
        # ... an arbitrary number of lines
 
659
        # and the function call which is time.sleep.
 
660
        #           1        0            ???         ???       ???(sleep) 
 
661
        # and then repeated but with 'world', rather than 'hello'.
 
662
        # this should appear in the output stream of our test result.
 
663
        output = result_stream.getvalue()
 
664
        self.assertContainsRe(output,
 
665
            r"LSProf output for <type 'unicode'>\(\('hello',\), {'errors': 'replace'}\)")
 
666
        self.assertContainsRe(output,
 
667
            r" *CallCount *Recursive *Total\(ms\) *Inline\(ms\) *module:lineno\(function\)\n")
 
668
        self.assertContainsRe(output,
 
669
            r"( +1 +0 +0\.\d+ +0\.\d+ +<method 'disable' of '_lsprof\.Profiler' objects>\n)?")
 
670
        self.assertContainsRe(output,
 
671
            r"LSProf output for <type 'unicode'>\(\('world',\), {'errors': 'replace'}\)\n")
 
672
 
 
673
 
 
674
class TestRunner(TestCase):
 
675
 
 
676
    def dummy_test(self):
 
677
        pass
 
678
 
 
679
    def run_test_runner(self, testrunner, test):
 
680
        """Run suite in testrunner, saving global state and restoring it.
 
681
 
 
682
        This current saves and restores:
 
683
        TestCaseInTempDir.TEST_ROOT
 
684
        
 
685
        There should be no tests in this file that use bzrlib.tests.TextTestRunner
 
686
        without using this convenience method, because of our use of global state.
 
687
        """
 
688
        old_root = TestCaseInTempDir.TEST_ROOT
 
689
        try:
 
690
            TestCaseInTempDir.TEST_ROOT = None
 
691
            return testrunner.run(test)
 
692
        finally:
 
693
            TestCaseInTempDir.TEST_ROOT = old_root
 
694
 
 
695
    def test_accepts_and_uses_pb_parameter(self):
 
696
        test = TestRunner('dummy_test')
 
697
        mypb = MockProgress()
 
698
        self.assertEqual([], mypb.calls)
 
699
        runner = TextTestRunner(stream=self._log_file, pb=mypb)
 
700
        result = self.run_test_runner(runner, test)
 
701
        self.assertEqual(1, result.testsRun)
 
702
        self.assertEqual(('update', 'Running tests', 0, 1), mypb.calls[0])
 
703
        self.assertEqual(('update', '...dummy_test', 0, None), mypb.calls[1])
 
704
        self.assertEqual(('update', 'OK           ', 1, None), mypb.calls[2])
 
705
        self.assertEqual(('update', 'Cleaning up', 0, 1), mypb.calls[3])
 
706
        self.assertEqual(('clear',), mypb.calls[4])
 
707
        self.assertEqual(5, len(mypb.calls))
 
708
 
 
709
    def test_skipped_test(self):
 
710
        # run a test that is skipped, and check the suite as a whole still
 
711
        # succeeds.
 
712
        # skipping_test must be hidden in here so it's not run as a real test
 
713
        def skipping_test():
 
714
            raise TestSkipped('test intentionally skipped')
 
715
        runner = TextTestRunner(stream=self._log_file, keep_output=True)
 
716
        test = unittest.FunctionTestCase(skipping_test)
 
717
        result = self.run_test_runner(runner, test)
 
718
        self.assertTrue(result.wasSuccessful())
 
719
 
 
720
    def test_bench_history(self):
 
721
        # tests that the running the benchmark produces a history file
 
722
        # containing a timestamp and the revision id of the bzrlib source which
 
723
        # was tested.
 
724
        workingtree = _get_bzr_source_tree()
 
725
        test = TestRunner('dummy_test')
 
726
        output = StringIO()
 
727
        runner = TextTestRunner(stream=self._log_file, bench_history=output)
 
728
        result = self.run_test_runner(runner, test)
 
729
        output_string = output.getvalue()
 
730
        self.assertContainsRe(output_string, "--date [0-9.]+")
 
731
        if workingtree is not None:
 
732
            revision_id = workingtree.get_parent_ids()[0]
 
733
            self.assertEndsWith(output_string.rstrip(), revision_id)
 
734
 
 
735
 
 
736
class TestTestCase(TestCase):
 
737
    """Tests that test the core bzrlib TestCase."""
 
738
 
 
739
    def inner_test(self):
 
740
        # the inner child test
 
741
        note("inner_test")
 
742
 
 
743
    def outer_child(self):
 
744
        # the outer child test
 
745
        note("outer_start")
 
746
        self.inner_test = TestTestCase("inner_child")
 
747
        result = bzrlib.tests._MyResult(self._log_file,
 
748
                                        descriptions=0,
 
749
                                        verbosity=1)
 
750
        self.inner_test.run(result)
 
751
        note("outer finish")
 
752
 
 
753
    def test_trace_nesting(self):
 
754
        # this tests that each test case nests its trace facility correctly.
 
755
        # we do this by running a test case manually. That test case (A)
 
756
        # should setup a new log, log content to it, setup a child case (B),
 
757
        # which should log independently, then case (A) should log a trailer
 
758
        # and return.
 
759
        # we do two nested children so that we can verify the state of the 
 
760
        # logs after the outer child finishes is correct, which a bad clean
 
761
        # up routine in tearDown might trigger a fault in our test with only
 
762
        # one child, we should instead see the bad result inside our test with
 
763
        # the two children.
 
764
        # the outer child test
 
765
        original_trace = bzrlib.trace._trace_file
 
766
        outer_test = TestTestCase("outer_child")
 
767
        result = bzrlib.tests._MyResult(self._log_file,
 
768
                                        descriptions=0,
 
769
                                        verbosity=1)
 
770
        outer_test.run(result)
 
771
        self.assertEqual(original_trace, bzrlib.trace._trace_file)
 
772
 
 
773
    def method_that_times_a_bit_twice(self):
 
774
        # call self.time twice to ensure it aggregates
 
775
        self.time(time.sleep, 0.007)
 
776
        self.time(time.sleep, 0.007)
 
777
 
 
778
    def test_time_creates_benchmark_in_result(self):
 
779
        """Test that the TestCase.time() method accumulates a benchmark time."""
 
780
        sample_test = TestTestCase("method_that_times_a_bit_twice")
 
781
        output_stream = StringIO()
 
782
        result = bzrlib.tests._MyResult(
 
783
            unittest._WritelnDecorator(output_stream),
 
784
            descriptions=0,
 
785
            verbosity=2)
 
786
        sample_test.run(result)
 
787
        self.assertContainsRe(
 
788
            output_stream.getvalue(),
 
789
            "[1-9][0-9]ms/   [1-9][0-9]ms\n$")
 
790
        
 
791
    def test__gather_lsprof_in_benchmarks(self):
 
792
        """When _gather_lsprof_in_benchmarks is on, accumulate profile data.
 
793
        
 
794
        Each self.time() call is individually and separately profiled.
 
795
        """
 
796
        try:
 
797
            import bzrlib.lsprof
 
798
        except ImportError:
 
799
            raise TestSkipped("lsprof not installed.")
 
800
        # overrides the class member with an instance member so no cleanup 
 
801
        # needed.
 
802
        self._gather_lsprof_in_benchmarks = True
 
803
        self.time(time.sleep, 0.000)
 
804
        self.time(time.sleep, 0.003)
 
805
        self.assertEqual(2, len(self._benchcalls))
 
806
        self.assertEqual((time.sleep, (0.000,), {}), self._benchcalls[0][0])
 
807
        self.assertEqual((time.sleep, (0.003,), {}), self._benchcalls[1][0])
 
808
        self.assertIsInstance(self._benchcalls[0][1], bzrlib.lsprof.Stats)
 
809
        self.assertIsInstance(self._benchcalls[1][1], bzrlib.lsprof.Stats)
 
810
 
 
811
 
 
812
@symbol_versioning.deprecated_function(zero_eleven)
 
813
def sample_deprecated_function():
 
814
    """A deprecated function to test applyDeprecated with."""
 
815
    return 2
 
816
 
 
817
 
 
818
def sample_undeprecated_function(a_param):
 
819
    """A undeprecated function to test applyDeprecated with."""
 
820
 
 
821
 
 
822
class ApplyDeprecatedHelper(object):
 
823
    """A helper class for ApplyDeprecated tests."""
 
824
 
 
825
    @symbol_versioning.deprecated_method(zero_eleven)
 
826
    def sample_deprecated_method(self, param_one):
 
827
        """A deprecated method for testing with."""
 
828
        return param_one
 
829
 
 
830
    def sample_normal_method(self):
 
831
        """A undeprecated method."""
 
832
 
 
833
    @symbol_versioning.deprecated_method(zero_ten)
 
834
    def sample_nested_deprecation(self):
 
835
        return sample_deprecated_function()
 
836
 
 
837
 
 
838
class TestExtraAssertions(TestCase):
 
839
    """Tests for new test assertions in bzrlib test suite"""
 
840
 
 
841
    def test_assert_isinstance(self):
 
842
        self.assertIsInstance(2, int)
 
843
        self.assertIsInstance(u'', basestring)
 
844
        self.assertRaises(AssertionError, self.assertIsInstance, None, int)
 
845
        self.assertRaises(AssertionError, self.assertIsInstance, 23.3, int)
 
846
 
 
847
    def test_assertEndsWith(self):
 
848
        self.assertEndsWith('foo', 'oo')
 
849
        self.assertRaises(AssertionError, self.assertEndsWith, 'o', 'oo')
 
850
 
 
851
    def test_applyDeprecated_not_deprecated(self):
 
852
        sample_object = ApplyDeprecatedHelper()
 
853
        # calling an undeprecated callable raises an assertion
 
854
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
855
            sample_object.sample_normal_method)
 
856
        self.assertRaises(AssertionError, self.applyDeprecated, zero_eleven,
 
857
            sample_undeprecated_function, "a param value")
 
858
        # calling a deprecated callable (function or method) with the wrong
 
859
        # expected deprecation fails.
 
860
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
861
            sample_object.sample_deprecated_method, "a param value")
 
862
        self.assertRaises(AssertionError, self.applyDeprecated, zero_ten,
 
863
            sample_deprecated_function)
 
864
        # calling a deprecated callable (function or method) with the right
 
865
        # expected deprecation returns the functions result.
 
866
        self.assertEqual("a param value", self.applyDeprecated(zero_eleven,
 
867
            sample_object.sample_deprecated_method, "a param value"))
 
868
        self.assertEqual(2, self.applyDeprecated(zero_eleven,
 
869
            sample_deprecated_function))
 
870
        # calling a nested deprecation with the wrong deprecation version
 
871
        # fails even if a deeper nested function was deprecated with the 
 
872
        # supplied version.
 
873
        self.assertRaises(AssertionError, self.applyDeprecated,
 
874
            zero_eleven, sample_object.sample_nested_deprecation)
 
875
        # calling a nested deprecation with the right deprecation value
 
876
        # returns the calls result.
 
877
        self.assertEqual(2, self.applyDeprecated(zero_ten,
 
878
            sample_object.sample_nested_deprecation))
 
879
 
 
880
    def test_callDeprecated(self):
 
881
        def testfunc(be_deprecated, result=None):
 
882
            if be_deprecated is True:
 
883
                symbol_versioning.warn('i am deprecated', DeprecationWarning, 
 
884
                                       stacklevel=1)
 
885
            return result
 
886
        result = self.callDeprecated(['i am deprecated'], testfunc, True)
 
887
        self.assertIs(None, result)
 
888
        result = self.callDeprecated([], testfunc, False, 'result')
 
889
        self.assertEqual('result', result)
 
890
        self.callDeprecated(['i am deprecated'], testfunc, be_deprecated=True)
 
891
        self.callDeprecated([], testfunc, be_deprecated=False)
 
892
 
 
893
 
 
894
class TestConvenienceMakers(TestCaseWithTransport):
 
895
    """Test for the make_* convenience functions."""
 
896
 
 
897
    def test_make_branch_and_tree_with_format(self):
 
898
        # we should be able to supply a format to make_branch_and_tree
 
899
        self.make_branch_and_tree('a', format=bzrlib.bzrdir.BzrDirMetaFormat1())
 
900
        self.make_branch_and_tree('b', format=bzrlib.bzrdir.BzrDirFormat6())
 
901
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('a')._format,
 
902
                              bzrlib.bzrdir.BzrDirMetaFormat1)
 
903
        self.assertIsInstance(bzrlib.bzrdir.BzrDir.open('b')._format,
 
904
                              bzrlib.bzrdir.BzrDirFormat6)
 
905
 
 
906
 
 
907
class TestSelftest(TestCase):
 
908
    """Tests of bzrlib.tests.selftest."""
 
909
 
 
910
    def test_selftest_benchmark_parameter_invokes_test_suite__benchmark__(self):
 
911
        factory_called = []
 
912
        def factory():
 
913
            factory_called.append(True)
 
914
            return TestSuite()
 
915
        out = StringIO()
 
916
        err = StringIO()
 
917
        self.apply_redirected(out, err, None, bzrlib.tests.selftest, 
 
918
            test_suite_factory=factory)
 
919
        self.assertEqual([True], factory_called)