import pytest

from gitlab import exceptions


@pytest.mark.parametrize(
    "kwargs,expected",
    [
        ({"error_message": "foo"}, "foo"),
        ({"error_message": "foo", "response_code": "400"}, "400: foo"),
    ],
)
def test_gitlab_error(kwargs, expected):
    error = exceptions.GitlabError(**kwargs)
    assert str(error) == expected


def test_error_raises_from_http_error():
    """Methods decorated with @on_http_error should raise from GitlabHttpError."""

    class TestError(Exception):
        pass

    @exceptions.on_http_error(TestError)
    def raise_error_from_http_error():
        raise exceptions.GitlabHttpError

    with pytest.raises(TestError) as context:
        raise_error_from_http_error()
    assert isinstance(context.value.__cause__, exceptions.GitlabHttpError)