name : stringcontainsinorder.py from hamcrest.core.base_matcher import BaseMatcher from hamcrest.core.description import Description from hamcrest.core.helpers.hasmethod import hasmethod from hamcrest.core.matcher import Matcher __author__ = "Romilly Cocking" __copyright__ = "Copyright 2011 hamcrest.org" __license__ = "BSD, see License.txt" class StringContainsInOrder(BaseMatcher[str]): def __init__(self, *substrings) -> None: for substring in substrings: if not isinstance(substring, str): raise TypeError(self.__class__.__name__ + " requires string arguments") self.substrings = substrings def _matches(self, item: str) -> bool: if not hasmethod(item, "find"): return False from_index = 0 for substring in self.substrings: from_index = item.find(substring, from_index) if from_index == -1: return False return True def describe_to(self, description: Description) -> None: description.append_list("a string containing ", ", ", " in order", self.substrings) def string_contains_in_order(*substrings: str) -> Matcher[str]: """Matches if object is a string containing a given list of substrings in relative order. :param string1,...: A comma-separated list of strings. This matcher first checks whether the evaluated object is a string. If so, it checks whether it contains a given list of strings, in relative order to each other. The searches are performed starting from the beginning of the evaluated string. Example:: string_contains_in_order("bc", "fg", "jkl") will match "abcdefghijklm". """ return StringContainsInOrder(*substrings)