def test_dataclass_with_list_caches_class(self):
json_dataclass_with_list = '{"xs": [1]}'
_ = DataClassWithList.from_json(json_dataclass_with_list)
# type hints for class cached
assert _get_type_hints_cache._Cache__currsize == 1
# supported generic called for List[int] and int itself
assert _is_supported_generic_cache._Cache__currsize == 2
# for the dataclass
assert _user_overrides_cache._Cache__currsize == 1
# force cache hits
_ = DataClassWithList.from_json(json_dataclass_with_list)
assert _get_type_hints_cache._Cache__currsize == 1
assert _is_supported_generic_cache._Cache__currsize == 2
assert _user_overrides_cache._Cache__currsize == 1
def test_loads_many_nested(self):
json_s = '[{"dc_with_list": {"xs": [1]}}]'
assert (DataClassWithDataClass.schema().loads(json_s, many=True) == [
DataClassWithDataClass(DataClassWithList([1]))
])
def test_loads_many(self):
json_s = '[{"xs": [1]}]'
assert (DataClassWithList.schema().loads(
json_s, many=True) == [DataClassWithList([1])])
def test_dumps_many_nested(self):
dumped = DataClassWithDataClass.schema().dumps(
[DataClassWithDataClass(DataClassWithList([1]))], many=True)
json_s = '[{"dc_with_list": {"xs": [1]}}]'
assert dumped == json_s
def test_dumps_many(self):
actual = DataClassWithList.schema().dumps([DataClassWithList([1])],
many=True)
json_s = '[{"xs": [1]}]'
assert actual == json_s
def test_error_when_nonoptional_field_is_missing(self):
with pytest.raises(KeyError):
actual = DataClassWithDataClass.from_json('{"dc_with_list": {}}')
expected = DataClassWithDataClass(DataClassWithList(None))
assert (actual == expected)
def test_warns_when_nonoptional_field_is_missing_with_infer_missing(self):
with pytest.warns(RuntimeWarning, match='Missing value'):
actual = DataClassWithDataClass.from_json('{"dc_with_list": {}}',
infer_missing=True)
expected = DataClassWithDataClass(DataClassWithList(None))
assert (actual == expected)
def test_nested_dataclass(self):
assert (DataClassWithDataClass(DataClassWithList(
[1])).to_json() == '{"dc_with_list": {"xs": [1]}}')
def test_nested_dataclass(self):
assert (DataClassWithDataClass.from_json(
'{"dc_with_list": {"xs": [1]}}') == DataClassWithDataClass(
DataClassWithList([1])))
def test_list(self):
assert (
DataClassWithList.from_json('{"xs": [1]}') == DataClassWithList(
[1]))
def test_list(self):
assert DataClassWithList([1]).to_json() == '{"xs": [1]}'