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Viewing changes to bzrlib/tests/test_symbol_versioning.py

  • Committer: Robert Collins
  • Date: 2010-05-06 23:41:35 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506234135-yivbzczw1sejxnxc
Lock methods on ``Tree``, ``Branch`` and ``Repository`` are now
expected to return an object which can be used to unlock them. This reduces
duplicate code when using cleanups. The previous 'tokens's returned by
``Branch.lock_write`` and ``Repository.lock_write`` are now attributes
on the result of the lock_write. ``repository.RepositoryWriteLockResult``
and ``branch.BranchWriteLockResult`` document this. (Robert Collins)

``log._get_info_for_log_files`` now takes an add_cleanup callable.
(Robert Collins)

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bzrlib/tests/test_symbol_versioning.py
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# Copyright (C) 2006-2011 Canonical Ltd
 
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# Copyright (C) 2006-2010 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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import warnings
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20
 
21
 
from breezy import symbol_versioning
22
 
from breezy.sixish import PY3
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from breezy.symbol_versioning import (
 
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from bzrlib import symbol_versioning
 
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from bzrlib.symbol_versioning import (
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    deprecated_function,
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    deprecated_in,
 
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    deprecated_list,
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    deprecated_method,
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    )
28
 
from breezy.tests import TestCase
 
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from bzrlib.tests import TestCase
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@deprecated_function(deprecated_in((0, 7, 0)))
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36
 
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a_deprecated_list = symbol_versioning.deprecated_list(deprecated_in((0, 9, 0)),
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                                                      'a_deprecated_list', ['one'], extra="Don't use me")
 
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    'a_deprecated_list', ['one'], extra="Don't use me")
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39
 
40
40
 
41
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a_deprecated_dict = symbol_versioning.DeprecatedDict(
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    def setUp(self):
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        super(TestDeprecationWarnings, self).setUp()
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        self._warnings = []
57
 
 
 
57
    
58
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    @deprecated_method(deprecated_in((0, 7, 0)))
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    def deprecated_method(self):
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        """Deprecated method docstring.
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        return 1
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71
 
72
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    def test_deprecated_static(self):
73
 
        if PY3:
74
 
            expected_warning = (
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                "breezy.tests.test_symbol_versioning.TestDeprecationWarnings."
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                "deprecated_static "
77
 
                "was deprecated in version 0.7.0.", DeprecationWarning, 2)
78
 
        else:
79
 
            # XXX: The results are not quite right because the class name is not
80
 
            # shown on Python 2- however it is enough to give people a good indication of
81
 
            # where the problem is.
82
 
            expected_warning = (
83
 
                "breezy.tests.test_symbol_versioning."
84
 
                "deprecated_static "
85
 
                "was deprecated in version 0.7.0.", DeprecationWarning, 2)
 
73
        # XXX: The results are not quite right because the class name is not
 
74
        # shown - however it is enough to give people a good indication of
 
75
        # where the problem is.
 
76
        expected_warning = (
 
77
            "bzrlib.tests.test_symbol_versioning."
 
78
            "deprecated_static "
 
79
            "was deprecated in version 0.7.0.", DeprecationWarning, 2)
86
80
        expected_docstring = (
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            'Deprecated static.\n'
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            '\n'
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85
        self.check_deprecated_callable(
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            expected_warning, expected_docstring,
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            "deprecated_static",
94
 
            "breezy.tests.test_symbol_versioning",
 
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            "bzrlib.tests.test_symbol_versioning",
95
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            self.deprecated_static)
96
90
 
97
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    def test_deprecated_method(self):
98
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        expected_warning = (
99
 
            "breezy.tests.test_symbol_versioning."
 
93
            "bzrlib.tests.test_symbol_versioning."
100
94
            "TestDeprecationWarnings.deprecated_method "
101
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            "was deprecated in version 0.7.0.", DeprecationWarning, 2)
102
96
        expected_docstring = (
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            '        ')
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        self.check_deprecated_callable(expected_warning, expected_docstring,
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                                       "deprecated_method",
111
 
                                       "breezy.tests.test_symbol_versioning",
 
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                                       "bzrlib.tests.test_symbol_versioning",
112
106
                                       self.deprecated_method)
113
107
 
114
108
    def test_deprecated_function(self):
115
109
        expected_warning = (
116
 
            "breezy.tests.test_symbol_versioning.sample_deprecated_function "
 
110
            "bzrlib.tests.test_symbol_versioning.sample_deprecated_function "
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111
            "was deprecated in version 0.7.0.", DeprecationWarning, 2)
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112
        expected_docstring = ('Deprecated function docstring.\n'
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                              '\n'
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                              )
122
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        self.check_deprecated_callable(expected_warning, expected_docstring,
123
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                                       "sample_deprecated_function",
124
 
                                       "breezy.tests.test_symbol_versioning",
 
118
                                       "bzrlib.tests.test_symbol_versioning",
125
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                                       sample_deprecated_function)
126
120
 
127
121
    def test_deprecated_list(self):
139
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            self.assertEqual(['one', 'foo'], a_deprecated_list)
140
134
 
141
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            a_deprecated_list.extend(['bar', 'baz'])
142
 
            self.assertEqual([expected_warning] * 2, self._warnings)
 
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            self.assertEqual([expected_warning]*2, self._warnings)
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            self.assertEqual(['one', 'foo', 'bar', 'baz'], a_deprecated_list)
144
138
 
145
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            a_deprecated_list.insert(1, 'xxx')
146
 
            self.assertEqual([expected_warning] * 3, self._warnings)
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            self.assertEqual(
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                ['one', 'xxx', 'foo', 'bar', 'baz'], a_deprecated_list)
 
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            self.assertEqual([expected_warning]*3, self._warnings)
 
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            self.assertEqual(['one', 'xxx', 'foo', 'bar', 'baz'], a_deprecated_list)
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142
 
150
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            a_deprecated_list.remove('foo')
151
 
            self.assertEqual([expected_warning] * 4, self._warnings)
 
144
            self.assertEqual([expected_warning]*4, self._warnings)
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            self.assertEqual(['one', 'xxx', 'bar', 'baz'], a_deprecated_list)
153
146
 
154
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            val = a_deprecated_list.pop()
155
 
            self.assertEqual([expected_warning] * 5, self._warnings)
 
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            self.assertEqual([expected_warning]*5, self._warnings)
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            self.assertEqual('baz', val)
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            self.assertEqual(['one', 'xxx', 'bar'], a_deprecated_list)
158
151
 
159
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            val = a_deprecated_list.pop(1)
160
 
            self.assertEqual([expected_warning] * 6, self._warnings)
 
153
            self.assertEqual([expected_warning]*6, self._warnings)
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            self.assertEqual('xxx', val)
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            self.assertEqual(['one', 'bar'], a_deprecated_list)
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        finally:
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        finally:
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            symbol_versioning.set_warning_method(old_warning_method)
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178
 
185
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    def check_deprecated_callable(self, expected_warning, expected_docstring,
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                                  expected_name, expected_module,
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                                  deprecated_callable):
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            deprecated_callable()
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            self.assertEqual([expected_warning, expected_warning],
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                             self._warnings)
199
 
            self.assertEqualDiff(expected_docstring,
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                                 deprecated_callable.__doc__)
 
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            self.assertEqualDiff(expected_docstring, deprecated_callable.__doc__)
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            self.assertEqualDiff(expected_name, deprecated_callable.__name__)
202
 
            self.assertEqualDiff(
203
 
                expected_module, deprecated_callable.__module__)
 
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            self.assertEqualDiff(expected_module, deprecated_callable.__module__)
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            self.assertTrue(deprecated_callable.is_deprecated)
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        finally:
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            symbol_versioning.set_warning_method(old_warning_method)
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        self.assertEqual(True, symbol_versioning.deprecated_passed(False))
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        self.assertEqual(False,
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                         symbol_versioning.deprecated_passed(
214
 
                             symbol_versioning.DEPRECATED_PARAMETER))
 
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                            symbol_versioning.DEPRECATED_PARAMETER))
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    def test_deprecation_string(self):
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        """We can get a deprecation string for a method or function."""
218
 
        err_message = symbol_versioning.deprecation_string(
 
210
        self.assertEqual('bzrlib.tests.test_symbol_versioning.'
 
211
            'TestDeprecationWarnings.test_deprecation_string was deprecated in '
 
212
            'version 0.11.0.',
 
213
            symbol_versioning.deprecation_string(
219
214
            self.test_deprecation_string,
220
 
            deprecated_in((0, 11, 0)))
221
 
        self.assertEqual(err_message,
222
 
                         'breezy.tests.test_symbol_versioning.TestDeprecationWarnings.'
223
 
                         'test_deprecation_string was deprecated in '
224
 
                         'version 0.11.0.')
225
 
 
226
 
        self.assertEqual('breezy.symbol_versioning.deprecated_function was '
227
 
                         'deprecated in version 0.11.0.',
228
 
                         symbol_versioning.deprecation_string(
229
 
                             symbol_versioning.deprecated_function,
230
 
                             deprecated_in((0, 11, 0))))
 
215
            deprecated_in((0, 11, 0))))
 
216
        self.assertEqual('bzrlib.symbol_versioning.deprecated_function was '
 
217
            'deprecated in version 0.11.0.',
 
218
            symbol_versioning.deprecation_string(
 
219
                symbol_versioning.deprecated_function,
 
220
                deprecated_in((0, 11, 0))))
231
221
 
232
222
 
233
223
class TestSuppressAndActivate(TestCase):
234
224
 
235
225
    def setUp(self):
236
 
        super(TestSuppressAndActivate, self).setUp()
 
226
        TestCase.setUp(self)
237
227
        existing_filters = list(warnings.filters)
238
 
 
239
228
        def restore():
240
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            warnings.filters[:] = existing_filters
241
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        self.addCleanup(restore)
252
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        symbol_versioning.suppress_deprecation_warnings()
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        self.assertFirstWarning('ignore', DeprecationWarning)
254
243
 
255
 
    def test_set_restore_filters(self):
256
 
        original_filters = warnings.filters[:]
257
 
        symbol_versioning.suppress_deprecation_warnings()()
258
 
        self.assertEqual(original_filters, warnings.filters)
259
 
 
260
244
    def test_suppress_deprecation_with_warning_filter(self):
261
245
        """don't suppress if we already have a filter"""
262
246
        warnings.filterwarnings('error', category=Warning)