def test_uid_id_str(self):
ids = {}
for i in range(10000):
ids[Uid.uid_id_str()] = None
print len(ids)
assert len(ids) == 10000 # no duplicates
# check format
uid_re = re.compile("ID[0-9]{17,22}")
for uid in ids:
if not uid_re.match(uid):
print uid
assert uid_re.match(uid)
