Method test_raises_match_compiled_regex

testing/python/raises.py:443–464

Test that compiled regex patterns work with pytest.raises.

(self)

        exc_info.value.close()  class="cm"># avoid a resource warning

    def test_raises_match_compiled_regex(self) -> None:
        class="st">""class="st">"Test that compiled regex patterns work with pytest.raises."class="st">""
        class="cm"># Test with a compiled pattern that matches
        pattern = re.compile(rclass="st">"with base \d+")
        with pytest.raises(ValueError, match=pattern):
            int(class="st">"asdf")

        class="cm"># Test with a compiled pattern that doesn't match
        pattern_nomatch = re.compile(rclass="st">"with base 16")
        expr = (
            class="st">"Regex pattern did not match.\n"
            fclass="st">"  Expected regex: {pattern_nomatch.pattern!r}\n"
            fclass="st">"  Actual message: \"invalid literal for int() with base 10: &class="cm">#x27;asdf'\class="st">""
        )
        with pytest.raises(AssertionError, match=class="st">"^" + re.escape(expr) + class="st">"$"):
            with pytest.raises(ValueError, match=pattern_nomatch):
                int(class="st">"asdf", base=10)

        class="cm"># Test compiled pattern with flags
        pattern_with_flags = re.compile(rclass="st">"INVALID LITERAL", re.IGNORECASE)
        with pytest.raises(ValueError, match=pattern_with_flags):
            int(class="st">"asdf")

    def test_pipe_is_treated_as_regex_metacharacter(self) -> None:
        class="st">""class="st">"| (pipe) must be recognized as a regex metacharacter."class="st">""