Function test_raisesexc

testing/python/raises_group.py:1072–1120

()

def test_raisesexc() -> None:
    with pytest.raises(
        ValueError,
        match=r"^You must specify at least one parameter to match on.$",
    ):
        RaisesExc()  # type: ignore[call-overload]
    with pytest.raises(
        ValueError,
        match=wrap_escape("Expected a BaseException type, but got 'object'"),
    ):
        RaisesExc(object)  # type: ignore[type-var]

    with RaisesGroup(RaisesExc(ValueError)):
        raise ExceptionGroup("", (ValueError(),))
    with (
        fails_raises_group(
            "RaisesExc(TypeError): `ValueError()` is not an instance of `TypeError`"
        ),
        RaisesGroup(RaisesExc(TypeError)),
    ):
        raise ExceptionGroup("", (ValueError(),))

    with RaisesExc(ValueError):
        raise ValueError

    with pytest.raises(Failed, match=wrap_escape("DID NOT RAISE ValueError")):
        with RaisesExc(ValueError):
            ...

    with pytest.raises(Failed, match=wrap_escape("DID NOT RAISE any exception")):
        with RaisesExc(match="foo"):
            ...

    with pytest.raises(
        Failed,
        match=wrap_escape("DID NOT RAISE any of (ValueError, TypeError)"),
    ):
        with RaisesExc((ValueError, TypeError)):
            ...

    # currently RaisesGroup says "Raised exception did not match" but RaisesExc doesn't...
    with pytest.raises(
        AssertionError,
        match=wrap_escape(
            "Regex pattern did not match.\n  Expected regex: 'foo'\n  Actual message: 'bar'"
        ),
    ):
        with RaisesExc(TypeError, match="foo"):
            raise TypeError("bar")


def test_raisesexc_match() -> None: