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from hamcrest.core.base_matcher import BaseMatcher |
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from hamcrest.core.helpers.hasmethod import hasmethod |
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from hamcrest.core.helpers.wrap_matcher import wrap_matcher |
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__author__ = "Jon Reid" |
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__copyright__ = "Copyright 2011 hamcrest.org" |
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__license__ = "BSD, see License.txt" |
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class IsDictContainingKey(BaseMatcher): |
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def __init__(self, key_matcher): |
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self.key_matcher = key_matcher |
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def _matches(self, dictionary): |
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if hasmethod(dictionary, 'keys'): |
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for key in dictionary.keys(): |
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if self.key_matcher.matches(key): |
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return True |
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return False |
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def describe_to(self, description): |
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description.append_text('a dictionary containing key ') \ |
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.append_description_of(self.key_matcher) |
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def has_key(key_match): |
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"""Matches if dictionary contains an entry whose key satisfies a given |
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matcher. |
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:param key_match: The matcher to satisfy for the key, or an expected value |
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for :py:func:`~hamcrest.core.core.isequal.equal_to` matching. |
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This matcher iterates the evaluated dictionary, searching for any key-value |
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entry whose key satisfies the given matcher. If a matching entry is found, |
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``has_key`` is satisfied. |
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Any argument that is not a matcher is implicitly wrapped in an |
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:py:func:`~hamcrest.core.core.isequal.equal_to` matcher to check for |
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equality. |
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Examples:: |
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has_key(equal_to('foo')) |
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has_key('foo') |
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""" |
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return IsDictContainingKey(wrap_matcher(key_match)) |
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hamcrest /
PyHamcrest
