Viewing file:  match_equality.py (1.16 KB) -rw-r--r--
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from hamcrest.core.string_description import tostring
from hamcrest.core.helpers.wrap_matcher import wrap_matcher
__author__ = "Chris Rose"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
__unittest = True
class EqualityWrapper(object):
def __init__(self, matcher):
self.matcher = matcher
def __eq__(self, object):
return self.matcher.matches(object)
def __str__(self):
return repr(self)
def __repr__(self):
return tostring(self.matcher)
def match_equality(matcher):
"""Wraps a matcher to define equality in terms of satisfying the matcher.
``match_equality`` allows Hamcrest matchers to be used in libraries that
are not Hamcrest-aware. They might use the equality operator::
assert match_equality(matcher) == object
Or they might provide a method that uses equality for its test::
library.method_that_tests_eq(match_equality(matcher))
One concrete example is integrating with the ``assert_called_with`` methods
in Michael Foord's `mock <http://www.voidspace.org.uk/python/mock/>`_
library.
"""
return EqualityWrapper(wrap_matcher(matcher))
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