def test_nested_selection_error(self):
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, _.owner[_.hobbies[_.foo]])
assert exc.value == quiz.SelectionError(
Dog, 'owner',
quiz.SelectionError(
Human, 'hobbies',
quiz.SelectionError(Hobby, 'foo', quiz.NoSuchField())))
def test_no_such_field(self):
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, _.name.foo.knows_command(command=Command.SIT))
assert exc.value == quiz.SelectionError(Dog, 'foo', quiz.NoSuchField())
def test_no_such_field_str():
exc = quiz.NoSuchField()
assert str(exc) == 'field does not exist'