def test_bad_tuple_field(self):
class ASchema(Schema):
id = fields.Int()
with pytest.raises(ValueError):
fields.Tuple(["string"])
with pytest.raises(ValueError):
fields.Tuple(fields.String)
with pytest.raises(ValueError) as excinfo:
fields.Tuple([ASchema])
expected_msg = ('Elements of "tuple_fields" must be subclasses or '
"instances of marshmallow_muffin.base.FieldABC.")
assert expected_msg in str(excinfo)
class MySchema(Schema):
foo = fields.Field()
bar = fields.List(fields.Str())
baz = fields.Tuple([fields.Str(), fields.Int()])
def test_tuple_field_with_error(self, obj):
field = fields.Tuple([fields.DateTime, fields.Integer])
with pytest.raises(ValidationError):
field.serialize("dtime_int", obj)
def test_tuple_field_serialize_none_returns_none(self):
obj = DateTimeIntegerTuple(None)
field = fields.Tuple([fields.DateTime, fields.Integer])
assert field.serialize("dtime_int", obj) is None
def test_datetime_integer_tuple_field(self):
obj = DateTimeIntegerTuple((dt.datetime.utcnow(), 42))
field = fields.Tuple([fields.DateTime, fields.Integer])
result = field.serialize("dtime_int", obj)
assert type(result[0]) == str
assert type(result[1]) == int