name : ordering_comparison.py import operator from typing import Any, Callable 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" class OrderingComparison(BaseMatcher[Any]): def __init__( self, value: Any, comparison_function: Callable[[Any, Any], bool], comparison_description: str, ) -> None: self.value = value self.comparison_function = comparison_function self.comparison_description = comparison_description def _matches(self, item: Any) -> bool: try: return self.comparison_function(item, self.value) except TypeError: return False def describe_to(self, description: Description) -> None: description.append_text("a value ").append_text(self.comparison_description).append_text( " " ).append_description_of(self.value) def greater_than(value: Any) -> Matcher[Any]: """Matches if object is greater than a given value. :param value: The value to compare against. """ return OrderingComparison(value, operator.gt, "greater than") def greater_than_or_equal_to(value: Any) -> Matcher[Any]: """Matches if object is greater than or equal to a given value. :param value: The value to compare against. """ return OrderingComparison(value, operator.ge, "greater than or equal to") def less_than(value: Any) -> Matcher[Any]: """Matches if object is less than a given value. :param value: The value to compare against. """ return OrderingComparison(value, operator.lt, "less than") def less_than_or_equal_to(value: Any) -> Matcher[Any]: """Matches if object is less than or equal to a given value. :param value: The value to compare against. """ return OrderingComparison(value, operator.le, "less than or equal to")