Method match

src/_pytest/_code/code.py:668–680

Check whether the regular expression `regexp` matches the string representation of the exception using :func:`python:re.search`. If it matches `True` is returned, otherwise an `AssertionError` is raised.

(self, regexp: Union[str, Pattern[str]])

        return fmt.repr_excinfo(self)

    def match(self, regexp: Union[str, Pattern[str]]) -> "Literal[True]":
        """Check whether the regular expression `regexp` matches the string
        representation of the exception using :func:`python:re.search`.

        If it matches `True` is returned, otherwise an `AssertionError` is raised.
        """
        __tracebackhide__ = True
        msg = "Regex pattern {!r} does not match {!r}."
        if regexp == str(self.value):
            msg += " Did you mean to `re.escape()` the regex?"
        assert re.search(regexp, str(self.value)), msg.format(regexp, str(self.value))
        # Return True to allow for "assert excinfo.match()".
        return True


@attr.s(auto_attribs=True)