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Mini Shell
Mini Shell
import re
from typing import Any, Optional, Tuple
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"
ARG_PATTERN = re.compile("%([0-9]+)")
class DescribedAs(BaseMatcher[Any]):
def __init__(
self, description_template: str, matcher: Matcher[Any], *values: Tuple[Any, ...]
) -> None:
self.template = description_template
self.matcher = matcher
self.values = values
def matches(self, item: Any, mismatch_description: Optional[Description] = None) -> bool:
return self.matcher.matches(item, mismatch_description)
def describe_mismatch(self, item: Any, mismatch_description: Description) -> None:
self.matcher.describe_mismatch(item, mismatch_description)
def describe_to(self, description: Description) -> None:
text_start = 0
for match in re.finditer(ARG_PATTERN, self.template):
description.append_text(self.template[text_start : match.start()])
arg_index = int(match.group()[1:])
description.append_description_of(self.values[arg_index])
text_start = match.end()
if text_start < len(self.template):
description.append_text(self.template[text_start:])
def described_as(description: str, matcher: Matcher[Any], *values) -> Matcher[Any]:
"""Adds custom failure description to a given matcher.
:param description: Overrides the matcher's description.
:param matcher: The matcher to satisfy.
:param value1,...: Optional comma-separated list of substitution values.
The description may contain substitution placeholders %0, %1, etc. These
will be replaced by any values that follow the matcher.
"""
return DescribedAs(description, matcher, *values)
Zerion Mini Shell 1.0