78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
# Authors: Raghav RV <rvraghav93@gmail.com>
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# License: BSD 3 clause
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import sys
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import pickle
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from sklearn.utils.deprecation import _is_deprecated
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from sklearn.utils.deprecation import deprecated
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from sklearn.utils.testing import assert_warns_message
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from sklearn.utils.testing import assert_no_warnings
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from sklearn.utils.testing import SkipTest
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from sklearn.utils.deprecation import DeprecationDict
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@deprecated('qwerty')
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class MockClass1:
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pass
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class MockClass2:
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@deprecated('mockclass2_method')
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def method(self):
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pass
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class MockClass3:
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@deprecated()
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def __init__(self):
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pass
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class MockClass4:
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pass
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@deprecated()
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def mock_function():
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return 10
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def test_deprecated():
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assert_warns_message(DeprecationWarning, 'qwerty', MockClass1)
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assert_warns_message(DeprecationWarning, 'mockclass2_method',
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MockClass2().method)
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assert_warns_message(DeprecationWarning, 'deprecated', MockClass3)
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val = assert_warns_message(DeprecationWarning, 'deprecated', mock_function)
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assert val == 10
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def test_is_deprecated():
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if sys.version_info < (3, 5):
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raise SkipTest("This test will run only on python3.5 and above")
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# Test if _is_deprecated helper identifies wrapping via deprecated
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# NOTE it works only for class methods and functions
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assert _is_deprecated(MockClass1.__init__)
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assert _is_deprecated(MockClass2().method)
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assert _is_deprecated(MockClass3.__init__)
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assert not _is_deprecated(MockClass4.__init__)
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assert _is_deprecated(mock_function)
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def test_pickle():
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pickle.loads(pickle.dumps(mock_function))
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def test_deprecationdict():
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dd = DeprecationDict()
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dd.add_warning('a', 'hello')
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dd.add_warning('b', 'world', DeprecationWarning)
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assert 1 == assert_warns_message(UserWarning, 'hello', dd.get, 'a', 1)
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dd['a'] = 5
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dd['b'] = 6
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dd['c'] = 7
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assert 5 == assert_warns_message(UserWarning, 'hello', dd.__getitem__, 'a')
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assert 6 == assert_warns_message(DeprecationWarning, 'world',
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dd.__getitem__, 'b')
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assert 7 == assert_no_warnings(dd.get, 'c')
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