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"""Add some assert methods to nose.tools. These were added in Python 2.7/3.1, so
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once we stop testing on Python 2.6, this file can be removed.
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"""
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import nose.tools as nt
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def assert_in(item, collection):
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assert item in collection, '%r not in %r' % (item, collection)
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if not hasattr(nt, 'assert_in'):
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nt.assert_in = assert_in
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def assert_not_in(item, collection):
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assert item not in collection, '%r in %r' % (item, collection)
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if not hasattr(nt, 'assert_not_in'):
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nt.assert_not_in = assert_not_in
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def assert_is_none(obj):
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assert obj is None, '%r is not None' % obj
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if not hasattr(nt, 'assert_is_none'):
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nt.assert_is_none = assert_is_none
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def assert_is_not_none(obj):
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assert obj is not None, '%r is None' % obj
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if not hasattr(nt, 'assert_is_not_none'):
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nt.assert_is_not_none = assert_is_not_none
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