def test_cannot_decode_dataclass_with_lack_of_property() -> None:
json = {"id": "test-user", "age": 28, "name": {"last": "Kose"}}
expectation = DecodingError(TypeMismatch(("name", "first")))
assert typedjson.decode(UserJson, json) == expectation
def test_cannot_decode_parameterized_dataclass_with_wrong_parameter() -> None:
json = {"t1": 100, "t2": "hello"}
expectation = DecodingError(TypeMismatch(("t2", )))
assert typedjson.decode(GenericJson[int, int], json) == expectation
def test_cannot_decode_heterogeneous_list_with_incompatible() -> None:
json = [1, "foo"]
expectation = DecodingError(TypeMismatch(("0", )))
assert typedjson.decode(List[Union[str, str]], json) == expectation
def test_cannot_decode_generic_union() -> None:
U = TypeVar("U")
json = 100
expectation = DecodingError(UnsupportedDecoding(()))
assert typedjson.decode(Union[int, U], json) == expectation
def test_cannot_decode_generic_list() -> None:
U = TypeVar("U")
json = list(range(10))
expectation = DecodingError(UnsupportedDecoding(()))
assert typedjson.decode(List[U], json) == expectation
def test_cannot_decode_homogeneous_list_with_incompatible() -> None:
json = [1, 2, 3]
expectation = DecodingError(TypeMismatch(("0", )))
assert typedjson.decode(List[str], json) == expectation
def test_cannot_decode_fixed_tuple_with_short_sequence() -> None:
json = (0, 1, 2)
expectation = DecodingError(TypeMismatch(()))
assert typedjson.decode(Tuple[int, int, int, int], json) == expectation
def test_cannot_decode_with_wrong_type() -> None:
json = True
assert typedjson.decode(str, json) == DecodingError(TypeMismatch(()))
def test_cannot_decode_none_as_tuple() -> None:
json = None
assert typedjson.decode(Tuple[str, ...],
json) == DecodingError(TypeMismatch(()))
def test_cannot_decode_none_as_list() -> None:
json = None
assert typedjson.decode(List[str], json) == DecodingError(TypeMismatch(()))
def test_cannote_decode_tuple_with_incompatible() -> None:
json = (0, 1, 2, 3)
expectation = DecodingError(TypeMismatch(("1", )))
assert typedjson.decode(Tuple[int, str, int, int], json) == expectation
def test_cannot_decode_none() -> None:
json = None
assert typedjson.decode(str, json) == DecodingError(TypeMismatch(()))
def test_cannot_decode_float_as_int() -> None:
json = 1.234
assert typedjson.decode(int, json) == DecodingError(TypeMismatch(()))
def test_cannot_decode_raw_dataclass() -> None:
json = {"t1": 100, "t2": "hello"}
expectation = DecodingError(UnsupportedDecoding(()))
assert typedjson.decode(GenericJson, json) == expectation
def test_cannot_decode_generic_tuple() -> None:
U = TypeVar("U")
json = (0, 1, 2)
expectation = DecodingError(UnsupportedDecoding(()))
assert typedjson.decode(Tuple[int, U, int], json) == expectation
def test_cannot_decode_generic_dataclass() -> None:
U1 = TypeVar("U1")
U2 = TypeVar("U2")
json = {"t1": 100, "t2": "hello"}
expectation = DecodingError(UnsupportedDecoding(()))
assert typedjson.decode(GenericJson[U1, U2], json) == expectation
def test_cannot_decode_variable_tuple_with_short_sequence() -> None:
json: Tuple = tuple()
expectation = DecodingError(TypeMismatch(()))
assert typedjson.decode(Tuple[int, ...], json) == expectation