Current File : //lib/python3/dist-packages/hamcrest/library/text/isequal_ignoring_whitespace.py
from hamcrest.core.base_matcher import BaseMatcher
from hamcrest.core.description import Description
from hamcrest.core.matcher import Matcher
__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"
def stripspace(string: str) -> str:
result = ""
last_was_space = True
for character in string:
if character.isspace():
if not last_was_space:
result += " "
last_was_space = True
else:
result += character
last_was_space = False
return result.strip()
class IsEqualIgnoringWhiteSpace(BaseMatcher[str]):
def __init__(self, string) -> None:
if not isinstance(string, str):
raise TypeError("IsEqualIgnoringWhiteSpace requires string")
self.original_string = string
self.stripped_string = stripspace(string)
def _matches(self, item: str) -> bool:
if not isinstance(item, str):
return False
return self.stripped_string == stripspace(item)
def describe_to(self, description: Description) -> None:
description.append_description_of(self.original_string).append_text(" ignoring whitespace")
def equal_to_ignoring_whitespace(string: str) -> Matcher[str]:
"""Matches if object is a string equal to a given string, ignoring
differences in whitespace.
:param string: The string to compare against as the expected value.
This matcher first checks whether the evaluated object is a string. If so,
it compares it with ``string``, ignoring differences in runs of whitespace.
Example::
equal_to_ignoring_whitespace("hello world")
will match ``"hello world"``.
"""
return IsEqualIgnoringWhiteSpace(string)
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