def deserialize(cls, serial: str, token: str = None) -> N:
"""
Deserializes and returns a new Notification instance.
"""
try:
assert serial
except AssertionError:
raise InvalidNotificationError(
"Can't deserialize an input of 'None'")
try:
struct = json.loads(serial)
except json.JSONDecodeError:
raise InvalidNotificationError(
"Can only deserialize a JSON string")
required_keys = set(['a', 'v', 'o', 's', 'l', 't', 'c', 'i', 'e'])
missing_keys = required_keys.difference(struct.keys())
if missing_keys:
raise InvalidNotificationError(
'Missing keys: {}'.format(missing_keys))
users = [Entity.from_str(u, token=token) for u in struct.get('u', [])]
target = [Entity.from_str(t, token=token) for t in struct.get('t', [])]
deserial = cls(Entity.from_str(struct['a'], token=token),
str(struct['v']),
Entity.from_str(struct['o'], token=token),
struct['s'],
level=str(struct['l']),
target=target,
context=struct.get('n'),
external_key=struct.get('x'),
users=users)
deserial.created = struct['c']
deserial.id = struct['i']
deserial.expires = struct['e']
return deserial
def test_entity_from_str():
eid = "foo"
etype = "user"
s = etype + STR_SEPARATOR + eid
e = Entity.from_str(s)
assert e.id == eid
assert e.type == etype
def test_entity_from_str_fail(s, err, msg):
with pytest.raises(err) as e:
Entity.from_str(s)
assert msg in str(e)
