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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
from hamcrest.core.string_description import tostring
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from hamcrest.core.helpers.wrap_matcher import wrap_matcher
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__author__ = "Chris Rose"
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__copyright__ = "Copyright 2011 hamcrest.org"
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__license__ = "BSD, see License.txt"
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__unittest = True
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class EqualityWrapper(object):
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def __init__(self, matcher):
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self.matcher = matcher
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def __eq__(self, object):
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return self.matcher.matches(object)
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def __str__(self):
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return repr(self)
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def __repr__(self):
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return tostring(self.matcher)
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def match_equality(matcher):
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"""Wraps a matcher to define equality in terms of satisfying the matcher.
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``match_equality`` allows Hamcrest matchers to be used in libraries that
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are not Hamcrest-aware. They might use the equality operator::
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assert match_equality(matcher) == object
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Or they might provide a method that uses equality for its test::
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library.method_that_tests_eq(match_equality(matcher))
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One concrete example is integrating with the ``assert_called_with`` methods
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in Michael Foord's `mock <http://www.voidspace.org.uk/python/mock/>`_
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library.
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"""
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return EqualityWrapper(wrap_matcher(matcher))
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