django/tests/modeltests/validation/test_unique.py

69 lines
2.5 KiB
Python

import unittest
import datetime
from django.conf import settings
from django.db import connection
from models import CustomPKModel, UniqueTogetherModel, UniqueFieldsModel, UniqueForDateModel, ModelToValidate
class GetUniqueCheckTests(unittest.TestCase):
def test_unique_fields_get_collected(self):
m = UniqueFieldsModel()
self.assertEqual(
([('id',), ('unique_charfield',), ('unique_integerfield',)], []),
m._get_unique_checks()
)
def test_unique_together_gets_picked_up(self):
m = UniqueTogetherModel()
self.assertEqual(
([('ifield', 'cfield',),('ifield', 'efield'), ('id',), ], []),
m._get_unique_checks()
)
def test_primary_key_is_considered_unique(self):
m = CustomPKModel()
self.assertEqual(([('my_pk_field',)], []), m._get_unique_checks())
def test_unique_for_date_gets_picked_up(self):
m = UniqueForDateModel()
self.assertEqual((
[('id',)],
[('date', 'count', 'start_date'), ('year', 'count', 'end_date'), ('month', 'order', 'end_date')]
), m._get_unique_checks()
)
class PerformUniqueChecksTest(unittest.TestCase):
def setUp(self):
# Set debug to True to gain access to connection.queries.
self._old_debug, settings.DEBUG = settings.DEBUG, True
super(PerformUniqueChecksTest, self).setUp()
def tearDown(self):
# Restore old debug value.
settings.DEBUG = self._old_debug
super(PerformUniqueChecksTest, self).tearDown()
def test_primary_key_unique_check_not_performed_when_adding_and_pk_not_specified(self):
# Regression test for #12560
query_count = len(connection.queries)
mtv = ModelToValidate(number=10, name='Some Name')
setattr(mtv, '_adding', True)
mtv.full_clean()
self.assertEqual(query_count, len(connection.queries))
def test_primary_key_unique_check_performed_when_adding_and_pk_specified(self):
# Regression test for #12560
query_count = len(connection.queries)
mtv = ModelToValidate(number=10, name='Some Name', id=123)
setattr(mtv, '_adding', True)
mtv.full_clean()
self.assertEqual(query_count + 1, len(connection.queries))
def test_primary_key_unique_check_not_performed_when_not_adding(self):
# Regression test for #12132
query_count= len(connection.queries)
mtv = ModelToValidate(number=10, name='Some Name')
mtv.full_clean()
self.assertEqual(query_count, len(connection.queries))