mirror of
https://github.com/django/django.git
synced 2024-12-28 03:55:50 +00:00
84 lines
3.5 KiB
Python
84 lines
3.5 KiB
Python
|
from django import db
|
||
|
|
from django.conf import settings
|
||
|
|
from django.test import TestCase
|
||
|
|
|
||
|
|
from models import User, UserProfile, UserStat, UserStatResult, StatDetails, AdvancedUserStat
|
||
|
|
|
||
|
|
class ReverseSelectRelatedTestCase(TestCase):
|
||
|
|
def setUp(self):
|
||
|
|
# Explicitly enable debug for these tests - we need to count
|
||
|
|
# the queries that have been issued.
|
||
|
|
self.old_debug = settings.DEBUG
|
||
|
|
settings.DEBUG = True
|
||
|
|
|
||
|
|
user = User.objects.create(username="test")
|
||
|
|
userprofile = UserProfile.objects.create(user=user, state="KS",
|
||
|
|
city="Lawrence")
|
||
|
|
results = UserStatResult.objects.create(results='first results')
|
||
|
|
userstat = UserStat.objects.create(user=user, posts=150,
|
||
|
|
results=results)
|
||
|
|
details = StatDetails.objects.create(base_stats=userstat, comments=259)
|
||
|
|
|
||
|
|
user2 = User.objects.create(username="bob")
|
||
|
|
results2 = UserStatResult.objects.create(results='moar results')
|
||
|
|
advstat = AdvancedUserStat.objects.create(user=user2, posts=200,
|
||
|
|
results=results2)
|
||
|
|
StatDetails.objects.create(base_stats=advstat, comments=250)
|
||
|
|
|
||
|
|
db.reset_queries()
|
||
|
|
|
||
|
|
def assertQueries(self, queries):
|
||
|
|
self.assertEqual(len(db.connection.queries), queries)
|
||
|
|
|
||
|
|
def tearDown(self):
|
||
|
|
settings.DEBUG = self.old_debug
|
||
|
|
|
||
|
|
def test_basic(self):
|
||
|
|
u = User.objects.select_related("userprofile").get(username="test")
|
||
|
|
self.assertEqual(u.userprofile.state, "KS")
|
||
|
|
self.assertQueries(1)
|
||
|
|
|
||
|
|
def test_follow_next_level(self):
|
||
|
|
u = User.objects.select_related("userstat__results").get(username="test")
|
||
|
|
self.assertEqual(u.userstat.posts, 150)
|
||
|
|
self.assertEqual(u.userstat.results.results, 'first results')
|
||
|
|
self.assertQueries(1)
|
||
|
|
|
||
|
|
def test_follow_two(self):
|
||
|
|
u = User.objects.select_related("userprofile", "userstat").get(username="test")
|
||
|
|
self.assertEqual(u.userprofile.state, "KS")
|
||
|
|
self.assertEqual(u.userstat.posts, 150)
|
||
|
|
self.assertQueries(1)
|
||
|
|
|
||
|
|
def test_follow_two_next_level(self):
|
||
|
|
u = User.objects.select_related("userstat__results", "userstat__statdetails").get(username="test")
|
||
|
|
self.assertEqual(u.userstat.results.results, 'first results')
|
||
|
|
self.assertEqual(u.userstat.statdetails.comments, 259)
|
||
|
|
self.assertQueries(1)
|
||
|
|
|
||
|
|
def test_forward_and_back(self):
|
||
|
|
stat = UserStat.objects.select_related("user__userprofile").get(user__username="test")
|
||
|
|
self.assertEqual(stat.user.userprofile.state, 'KS')
|
||
|
|
self.assertEqual(stat.user.userstat.posts, 150)
|
||
|
|
self.assertQueries(1)
|
||
|
|
|
||
|
|
def test_back_and_forward(self):
|
||
|
|
u = User.objects.select_related("userstat").get(username="test")
|
||
|
|
self.assertEqual(u.userstat.user.username, 'test')
|
||
|
|
self.assertQueries(1)
|
||
|
|
|
||
|
|
def test_not_followed_by_default(self):
|
||
|
|
u = User.objects.select_related().get(username="test")
|
||
|
|
self.assertEqual(u.userstat.posts, 150)
|
||
|
|
self.assertQueries(2)
|
||
|
|
|
||
|
|
def test_follow_from_child_class(self):
|
||
|
|
stat = AdvancedUserStat.objects.select_related("statdetails").get(posts=200)
|
||
|
|
self.assertEqual(stat.statdetails.comments, 250)
|
||
|
|
self.assertQueries(1)
|
||
|
|
|
||
|
|
def test_follow_inheritance(self):
|
||
|
|
stat = UserStat.objects.select_related('advanceduserstat').get(posts=200)
|
||
|
|
self.assertEqual(stat.advanceduserstat.posts, 200)
|
||
|
|
self.assertQueries(1)
|