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- from hamcrest.core.base_matcher import BaseMatcher
- from hamcrest.core.core.anyof import any_of
- from hamcrest.core.helpers.hasmethod import hasmethod
- from hamcrest.core.helpers.wrap_matcher import wrap_matcher
-
- __author__ = "Jon Reid"
- __copyright__ = "Copyright 2011 hamcrest.org"
- __license__ = "BSD, see License.txt"
-
-
- class IsSequenceOnlyContaining(BaseMatcher):
-
- def __init__(self, matcher):
- self.matcher = matcher
-
- def _matches(self, sequence):
- try:
- sequence = list(sequence)
- if len(sequence) == 0:
- return False
- for item in sequence:
- if not self.matcher.matches(item):
- return False
- return True
- except TypeError:
- return False
-
- def describe_to(self, description):
- description.append_text('a sequence containing items matching ') \
- .append_description_of(self.matcher)
-
-
- def only_contains(*items):
- """Matches if each element of sequence satisfies any of the given matchers.
-
- :param match1,...: A comma-separated list of matchers.
-
- This matcher iterates the evaluated sequence, confirming whether each
- element satisfies any of the given matchers.
-
- Example::
-
- only_contains(less_than(4))
-
- will match ``[3,1,2]``.
-
- Any argument that is not a matcher is implicitly wrapped in an
- :py:func:`~hamcrest.core.core.isequal.equal_to` matcher to check for
- equality.
-
- """
- matchers = []
- for item in items:
- matchers.append(wrap_matcher(item))
- return IsSequenceOnlyContaining(any_of(*matchers))
|
