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Reordered setUp code in prefetch_related tests. 

This allows these tests to run on databases that reject duplicate NULL
values in unique fields e.g. SQL Server.

Forward port of 4fb50a9a from stable/1.7.x.
This commit is contained in:
Aymeric Augustin 2014-06-05 16:30:43 +02:00
parent 52d9521354
commit ae3fe6ccbb
1 changed files with 42 additions and 18 deletions
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60
tests/prefetch_related/tests.py
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@ -257,32 +257,41 @@ class CustomPrefetchTests(TestCase):
def setUp(self):
self.person1 = Person.objects.create(name="Joe")
self.person2 = Person.objects.create(name="Mary")
# Set main_room for each house before creating the next one for
# databases where supports_nullable_unique_constraints is False.
self.house1 = House.objects.create(name='House 1', address="123 Main St", owner=self.person1)
self.house2 = House.objects.create(name='House 2', address="45 Side St", owner=self.person1)
self.house3 = House.objects.create(name='House 3', address="6 Downing St", owner=self.person2)
self.house4 = House.objects.create(name='house 4', address="7 Regents St", owner=self.person2)
self.room1_1 = Room.objects.create(name="Dining room", house=self.house1)
self.room1_2 = Room.objects.create(name="Lounge", house=self.house1)
self.room1_3 = Room.objects.create(name="Kitchen", house=self.house1)
self.house1.main_room = self.room1_1
self.house1.save()
self.person1.houses.add(self.house1)
self.house2 = House.objects.create(name='House 2', address="45 Side St", owner=self.person1)
self.room2_1 = Room.objects.create(name="Dining room", house=self.house2)
self.room2_2 = Room.objects.create(name="Lounge", house=self.house2)
self.room2_3 = Room.objects.create(name="Kitchen", house=self.house2)
self.house2.main_room = self.room2_1
self.house2.save()
self.person1.houses.add(self.house2)
self.house3 = House.objects.create(name='House 3', address="6 Downing St", owner=self.person2)
self.room3_1 = Room.objects.create(name="Dining room", house=self.house3)
self.room3_2 = Room.objects.create(name="Lounge", house=self.house3)
self.room3_3 = Room.objects.create(name="Kitchen", house=self.house3)
self.house3.main_room = self.room3_1
self.house3.save()
self.person2.houses.add(self.house3)
self.house4 = House.objects.create(name='house 4', address="7 Regents St", owner=self.person2)
self.room4_1 = Room.objects.create(name="Dining room", house=self.house4)
self.room4_2 = Room.objects.create(name="Lounge", house=self.house4)
self.room4_3 = Room.objects.create(name="Kitchen", house=self.house4)
self.person1.houses.add(self.house1, self.house2)
self.person2.houses.add(self.house3, self.house4)
self.house1.main_room = self.room1_1
self.house1.save()
self.house2.main_room = self.room2_1
self.house2.save()
self.house3.main_room = self.room3_1
self.house3.save()
self.house4.main_room = self.room4_1
self.house4.save()
self.person2.houses.add(self.house4)
def test_traverse_qs(self):
qs = Person.objects.prefetch_related('houses')
@ -869,27 +878,38 @@ class LookupOrderingTest(TestCase):
self.person1 = Person.objects.create(name="Joe")
self.person2 = Person.objects.create(name="Mary")
self.house1 = House.objects.create(address="123 Main St")
self.house2 = House.objects.create(address="45 Side St")
self.house3 = House.objects.create(address="6 Downing St")
self.house4 = House.objects.create(address="7 Regents St")
# Set main_room for each house before creating the next one for
# databases where supports_nullable_unique_constraints is False.
self.house1 = House.objects.create(address="123 Main St")
self.room1_1 = Room.objects.create(name="Dining room", house=self.house1)
self.room1_2 = Room.objects.create(name="Lounge", house=self.house1)
self.room1_3 = Room.objects.create(name="Kitchen", house=self.house1)
self.house1.main_room = self.room1_1
self.house1.save()
self.person1.houses.add(self.house1)
self.house2 = House.objects.create(address="45 Side St")
self.room2_1 = Room.objects.create(name="Dining room", house=self.house2)
self.room2_2 = Room.objects.create(name="Lounge", house=self.house2)
self.house2.main_room = self.room2_1
self.house2.save()
self.person1.houses.add(self.house2)
self.house3 = House.objects.create(address="6 Downing St")
self.room3_1 = Room.objects.create(name="Dining room", house=self.house3)
self.room3_2 = Room.objects.create(name="Lounge", house=self.house3)
self.room3_3 = Room.objects.create(name="Kitchen", house=self.house3)
self.house3.main_room = self.room3_1
self.house3.save()
self.person2.houses.add(self.house3)
self.house4 = House.objects.create(address="7 Regents St")
self.room4_1 = Room.objects.create(name="Dining room", house=self.house4)
self.room4_2 = Room.objects.create(name="Lounge", house=self.house4)
self.person1.houses.add(self.house1, self.house2)
self.person2.houses.add(self.house3, self.house4)
self.house4.main_room = self.room4_1
self.house4.save()
self.person2.houses.add(self.house4)
def test_order(self):
with self.assertNumQueries(4):
@ -1130,6 +1150,10 @@ class Ticket21760Tests(TestCase):
house = House.objects.create()
for _ in range(3):
self.rooms.append(Room.objects.create(house=house))
# Set main_room for each house before creating the next one for
# databases where supports_nullable_unique_constraints is False.
house.main_room = self.rooms[-3]
house.save()
def test_bug(self):
prefetcher = get_prefetcher(self.rooms[0], 'house')[0]