34 lines
977 B
Python
34 lines
977 B
Python
from typing import Sequence, TypeVar
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from hamcrest.core.base_matcher import BaseMatcher
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from hamcrest.core.description import Description
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from hamcrest.core.matcher import 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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T = TypeVar("T")
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class IsIn(BaseMatcher[T]):
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def __init__(self, sequence: Sequence[T]) -> None:
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self.sequence = sequence
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def _matches(self, item: T) -> bool:
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return item in self.sequence
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def describe_to(self, description: Description) -> None:
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description.append_text("one of ").append_list("(", ", ", ")", self.sequence)
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def is_in(sequence: Sequence[T]) -> Matcher[T]:
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"""Matches if evaluated object is present in a given sequence.
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:param sequence: The sequence to search.
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This matcher invokes the ``in`` membership operator to determine if the
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evaluated object is a member of the sequence.
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"""
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return IsIn(sequence)
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