mirror of
https://github.com/django/django.git
synced 2024-11-24 02:47:35 +01:00
40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
import uuid
|
|
from datetime import datetime
|
|
from time import sleep
|
|
|
|
from django.contrib.postgres.functions import RandomUUID, TransactionNow
|
|
|
|
from . import PostgreSQLTestCase
|
|
from .models import NowTestModel, UUIDTestModel
|
|
|
|
|
|
class TestTransactionNow(PostgreSQLTestCase):
|
|
def test_transaction_now(self):
|
|
"""
|
|
The test case puts everything under a transaction, so two models
|
|
updated with a short gap should have the same time.
|
|
"""
|
|
m1 = NowTestModel.objects.create()
|
|
m2 = NowTestModel.objects.create()
|
|
|
|
NowTestModel.objects.filter(id=m1.id).update(when=TransactionNow())
|
|
sleep(0.1)
|
|
NowTestModel.objects.filter(id=m2.id).update(when=TransactionNow())
|
|
|
|
m1.refresh_from_db()
|
|
m2.refresh_from_db()
|
|
|
|
self.assertIsInstance(m1.when, datetime)
|
|
self.assertEqual(m1.when, m2.when)
|
|
|
|
|
|
class TestRandomUUID(PostgreSQLTestCase):
|
|
def test_random_uuid(self):
|
|
m1 = UUIDTestModel.objects.create()
|
|
m2 = UUIDTestModel.objects.create()
|
|
UUIDTestModel.objects.update(uuid=RandomUUID())
|
|
m1.refresh_from_db()
|
|
m2.refresh_from_db()
|
|
self.assertIsInstance(m1.uuid, uuid.UUID)
|
|
self.assertNotEqual(m1.uuid, m2.uuid)
|