def test_dumps_serializable(date_with_tz, s_obj):
d = dumps(s_obj)
assert isinstance(d, str)
assert "instance of serializable class" in d
assert "instance of child class" in d
assert "instance of grand child class" in d
assert "2019-08-11T06:10:24.000000+09:00" in d
def test_loads_plain_to_dict(date_with_tz, p_obj):
s = dumps(p_obj)
d = loads(s)
assert d["strvalue"] == "instance of plain class"
assert d["intvalue"] == 1
assert d["dtvalue"] == date_with_tz
assert d["listvalue"] == [
"list_str_1", 1, date_with_tz, dumpd(p_obj.listvalue[3])]
assert d["dictvalue"]["key1"] == "value1"
assert d["dictvalue"]["key2"] == 1
assert d["objvalue"]["strvalue"] == "instance of child class"
def test_loads_plain(date_with_tz, p_obj):
d = dumps(p_obj)
obj = loads(d, PlainClass)
assert obj.strvalue == "instance of plain class"
assert obj.intvalue == 1
assert obj.dtvalue == date_with_tz
assert obj.listvalue == [
"list_str_1", 1, date_with_tz, dumpd(p_obj.listvalue[3])]
assert obj.dictvalue["key1"] == "value1"
assert obj.dictvalue["key2"] == 1
assert obj.objvalue["strvalue"] == "instance of child class"
def test_loads_serializable(date_with_tz, s_obj):
d = dumps(s_obj)
obj = loads(d, SerializableClass)
assert obj.strvalue == "instance of serializable class"
assert obj.intvalue == 1
assert obj.dtvalue == date_with_tz
assert obj.listvalue[0:2] == ["list_str_1", 1]
# when a item of list, object is not restored
obj.listvalue[2] = SerializableClass.from_dict(obj.listvalue[2])
assert obj.listvalue[2].to_dict() == s_obj.listvalue[2].to_dict()
assert obj.dictvalue["key1"] == "value1"
assert obj.dictvalue["key2"] == 1
# when a item of dict, object is not restored
obj.dictvalue["key3"] = SerializableClass.from_dict(obj.dictvalue["key3"])
assert obj.dictvalue["key3"].to_dict() == s_obj.listvalue[2].to_dict()
# top level member is restored to object by configure `_types`
assert obj.objvalue.to_dict() == s_obj.objvalue.to_dict()
def test_example():
class Location:
def __init__(self, name=None, school=None):
self.name = name
self.school = school
class Character:
def __init__(self, name=None, actor=None):
self.name = name
self.actor = actor
class IdolGroup(Serializable):
def __init__(self, name=None, location=None, members=None):
self.name = name
self.location = location
self.members = members
# `_types` provides the type to deserialize each members
@classmethod
def _types(cls):
return {
"location": Location,
"members": Character
}
idol_group = IdolGroup(
name="μ’s",
location=Location("Akihabara", "Otonokizaka High"),
members=[Character("Honoka Kosaka", "Emi Nitta"),
Character("Umi Sonoda", "Suzuko Mimori"),
Character("Kotori Minami", "Aya Uchida")])
# encode to json
s = idol_group.to_json(indent=2, ensure_ascii=False)
# decode to object with members also decoded
obj = IdolGroup.from_json(s)
assert obj.name == "μ’s"
assert obj.location.name == "Akihabara"
assert obj.location.school == "Otonokizaka High"
assert obj.members[2].name == "Kotori Minami"
clist = loads(dumps(idol_group.members), Character)
assert clist[1].name == "Umi Sonoda"
def test_from_json_list(date_with_tz, s_obj):
o0 = deepcopy(s_obj)
o0.strvalue = "instance of serializable class 0"
o1 = deepcopy(s_obj)
o1.strvalue = "instance of serializable class 1"
o2 = deepcopy(s_obj)
o2.strvalue = "instance of serializable class 2"
d = dumps([o0, o1, o2])
obj = SerializableClass.from_json(d)[1]
assert obj.strvalue == "instance of serializable class 1"
assert obj.intvalue == 1
assert obj.dtvalue == date_with_tz
assert obj.listvalue[0:2] == ["list_str_1", 1]
# when a item of list, object and datetime are not restored
obj.listvalue[2] = SerializableClass.from_dict(obj.listvalue[2])
assert obj.listvalue[2].to_dict() == s_obj.listvalue[2].to_dict()
assert obj.dictvalue["key1"] == "value1"
assert obj.dictvalue["key2"] == 1
# when a item of dict, object and datetime are not restored
obj.dictvalue["key3"] = SerializableClass.from_dict(obj.dictvalue["key3"])
assert obj.dictvalue["key3"].to_dict() == s_obj.listvalue[2].to_dict()
# top level member is restored to object by configure `_types`
assert obj.objvalue.to_dict() == s_obj.objvalue.to_dict()
def test_dumps_plain_none():
s = dumps(None)
assert s == ""
def test_dumps_plain(date_with_tz, p_obj):
d = dumps(p_obj)
assert isinstance(d, str)
assert "instance of plain class" in d
assert "2019-08-11T06:10:24.000000+09:00" in d