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from hamcrest.library.text.substringmatcher import SubstringMatcher
from hamcrest.core.helpers.hasmethod import hasmethod
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
class StringContains(SubstringMatcher):
def __init__(self, substring):
super(StringContains, self).__init__(substring)
def _matches(self, item):
if not hasmethod(item, 'find'):
return False
return item.find(self.substring) >= 0
def relationship(self):
return 'containing'
def contains_string(substring):
"""Matches if object is a string containing a given string.
:param string: The string to search for.
This matcher first checks whether the evaluated object is a string. If so,
it checks whether it contains ``string``.
Example::
contains_string("def")
will match "abcdefg".
"""
return StringContains(substring)
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