23 lines
719 B
Python
23 lines
719 B
Python
from testtools.matchers import (
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Annotate,
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MismatchError,
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)
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def assert_that(matchee, matcher, message='', verbose=False):
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"""Assert that matchee is matched by matcher.
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This should only be used when you need to use a function based
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matcher, assertThat in Testtools.Testcase is prefered and has more
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features
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:param matchee: An object to match with matcher.
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:param matcher: An object meeting the testtools.Matcher protocol.
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:raises MismatchError: When matcher does not match thing.
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"""
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matcher = Annotate.if_message(message, matcher)
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mismatch = matcher.match(matchee)
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if not mismatch:
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return
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raise MismatchError(matchee, matcher, mismatch, verbose)
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