test.py 文件源码

def test_type_cast_exception():
    """Make sure our type casting exceptions are informative"""
    class A(Enumap):
        a: int = auto()
        this_here_is_a_bad_key: int = auto()

    assert A.tuple_casted("1", "2") == (1, 2)
    with pytest.raises(TypeCastError) as e:
        A.tuple_casted("1", None)
    assert "'this_here_is_a_bad_key' got invalid value 'None'" in str(e)
    assert "of type NoneType" in str(e)
    assert e.value.key == "this_here_is_a_bad_key"