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_invalid_argument_type_optional(self):
selection_set = _.is_housetrained(at_other_homes='foo')
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, selection_set)
assert exc.value == quiz.SelectionError(
Dog, 'is_housetrained',
quiz.InvalidArgumentType('at_other_homes', 'foo'))
def test_missing_arguments(self):
selection_set = _.knows_command
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, selection_set)
assert exc.value == quiz.SelectionError(
Dog, 'knows_command', quiz.MissingArgument('command'))
def test_selection_error_str():
exc = quiz.SelectionError(Dog, 'best_friend.foo',
quiz.NoSuchArgument('bla'))
assert str(exc).strip() == dedent('''\
SelectionError on "Dog" at path "best_friend.foo":
NoSuchArgument: argument "bla" does not exist''')
def test_invalid_argument_type(self):
selection_set = _.knows_command(command='foobar')
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, selection_set)
assert exc.value == quiz.SelectionError(
Dog, 'knows_command',
quiz.InvalidArgumentType('command', 'foobar'))
def test_selection_set_on_non_object(self):
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, _.name[_.foo])
assert exc.value == quiz.SelectionError(
Dog,
'name',
quiz.SelectionsNotSupported()
)
def test_invalid_argument(self):
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, _.knows_command(
foo=1, command=Command.SIT))
assert exc.value == quiz.SelectionError(
Dog,
'knows_command',
quiz.NoSuchArgument('foo'))
def test_invalid_argument_type_optional(self):
selection_set = _.is_housetrained(at_other_homes="foo")
with pytest.raises(quiz.SelectionError) as exc:
quiz.validate(Dog, selection_set)
assert exc.value == quiz.SelectionError(
Dog,
"is_housetrained",
quiz.InvalidArgumentType("at_other_homes", "foo"),
)
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())