def test_that_only_ints_or_strings_are_allowed_in_identifiers():
identifier = Identifier()
invalid_values = [42.0, {"a": 1}, ["a", "b"], True, datetime.utcnow()]
for value in invalid_values:
with pytest.raises(ValidationError):
identifier._load(value)
def test_string_identifiers_are_preserved_as_strings_in_as_dict():
identifier = Identifier()
value = identifier._load("42")
assert isinstance(value, str)
assert identifier.as_dict(value) == "42"
def test_int_identifiers_are_preserved_as_ints_in_as_dict():
identifier = Identifier()
value = identifier._load(42)
assert isinstance(value, int)
assert identifier.as_dict(value) == 42
def test_UUID_identifiers_are_converted_into_strings_in_as_dict():
uuid_val = uuid4()
identifier = Identifier()
value = identifier._load(uuid_val)
assert isinstance(value, UUID)
assert identifier.as_dict(value) == str(uuid_val)