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bzrlib/tests/test_symbol_versioning.py
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# Copyright (C) 2006 Canonical Ltd
 
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# Copyright (C) 2006, 2007 Canonical Ltd
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#   Authors: Robert Collins <robert.collins@canonical.com>
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#
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# This program is free software; you can redistribute it and/or modify
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    'a_deprecated_list', ['one'], extra="Don't use me")
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a_deprecated_dict = symbol_versioning.DeprecatedDict(
 
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    symbol_versioning.zero_fourteen,
 
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    'a_deprecated_dict',
 
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    dict(a=42),
 
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    advice='Pull the other one!',
 
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    )
 
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class TestDeprecationWarnings(TestCase):
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    def capture_warning(self, message, category, stacklevel=None):
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        expected_warning = (
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            "Modifying a_deprecated_list was deprecated in version 0.9."
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            " Don't use me", DeprecationWarning, 3)
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        expected_doctstring = ('appending to a_deprecated_list is deprecated')
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        old_warning_method = symbol_versioning.warn
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        try:
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            symbol_versioning.set_warning_method(self.capture_warning)
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        finally:
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            symbol_versioning.set_warning_method(old_warning_method)
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    def test_deprecated_dict(self):
 
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        expected_warning = (
 
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            "access to a_deprecated_dict was deprecated in version 0.14."
 
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            " Pull the other one!", DeprecationWarning, 2)
 
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        old_warning_method = symbol_versioning.warn
 
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        try:
 
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            symbol_versioning.set_warning_method(self.capture_warning)
 
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            self.assertEqual(len(a_deprecated_dict), 1)
 
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            self.assertEqual([expected_warning], self._warnings)
 
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            a_deprecated_dict['b'] = 42
 
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            self.assertEqual(a_deprecated_dict['b'], 42)
 
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            self.assertTrue('b' in a_deprecated_dict)
 
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            del a_deprecated_dict['b']
 
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            self.assertFalse('b' in a_deprecated_dict)
 
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            self.assertEqual([expected_warning] * 6, self._warnings)
 
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        finally:
 
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            symbol_versioning.set_warning_method(old_warning_method)
 
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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):