mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-11-04 13:39:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Migrated null_fk doctests. Thanks to Stephan Jaekel.

Browse source 
git-svn-id: http://code.djangoproject.com/svn/django/trunk@13934 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2010-09-28 08:17:36 +00:00
parent d271566a7d
commit 67df1a5002
2 changed files with 42 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

34
tests/regressiontests/null_fk/models.py
View file

@ -31,37 +31,3 @@ class Comment(models.Model):
def __unicode__(self):
return self.comment_text
__test__ = {'API_TESTS':"""
>>> d = SystemDetails.objects.create(details='First details')
>>> s = SystemInfo.objects.create(system_name='First forum', system_details=d)
>>> f = Forum.objects.create(system_info=s, forum_name='First forum')
>>> p = Post.objects.create(forum=f, title='First Post')
>>> c1 = Comment.objects.create(post=p, comment_text='My first comment')
>>> c2 = Comment.objects.create(comment_text='My second comment')
# Starting from comment, make sure that a .select_related(...) with a specified
# set of fields will properly LEFT JOIN multiple levels of NULLs (and the things
# that come after the NULLs, or else data that should exist won't). Regression
# test for #7369.
>>> c = Comment.objects.select_related().get(id=1)
>>> c.post
<Post: First Post>
>>> c = Comment.objects.select_related().get(id=2)
>>> print c.post
None
>>> comments = Comment.objects.select_related('post__forum__system_info').all()
>>> [(c.id, c.comment_text, c.post) for c in comments]
[(1, u'My first comment', <Post: First Post>), (2, u'My second comment', None)]
# Regression test for #7530, #7716.
>>> Comment.objects.select_related('post').filter(post__isnull=True)[0].post is None
True
>>> comments = Comment.objects.select_related('post__forum__system_info__system_details')
>>> [(c.id, c.comment_text, c.post) for c in comments]
[(1, u'My first comment', <Post: First Post>), (2, u'My second comment', None)]
"""}

42
tests/regressiontests/null_fk/tests.py Normal file
View file

@ -0,0 +1,42 @@
from django.test import TestCase
from regressiontests.null_fk.models import *
class NullFkTests(TestCase):
def test_null_fk(self):
d = SystemDetails.objects.create(details='First details')
s = SystemInfo.objects.create(system_name='First forum', system_details=d)
f = Forum.objects.create(system_info=s, forum_name='First forum')
p = Post.objects.create(forum=f, title='First Post')
c1 = Comment.objects.create(post=p, comment_text='My first comment')
c2 = Comment.objects.create(comment_text='My second comment')
# Starting from comment, make sure that a .select_related(...) with a specified
# set of fields will properly LEFT JOIN multiple levels of NULLs (and the things
# that come after the NULLs, or else data that should exist won't). Regression
# test for #7369.
c = Comment.objects.select_related().get(id=1)
self.assertEquals(c.post, p)
self.assertEquals(Comment.objects.select_related().get(id=2).post, None)
self.assertQuerysetEqual(
Comment.objects.select_related('post__forum__system_info').all(),
[
(1, u'My first comment', '<Post: First Post>'),
(2, u'My second comment', 'None')
],
transform = lambda c: (c.id, c.comment_text, repr(c.post))
)
# Regression test for #7530, #7716.
self.assertTrue(Comment.objects.select_related('post').filter(post__isnull=True)[0].post is None)
self.assertQuerysetEqual(
Comment.objects.select_related('post__forum__system_info__system_details'),
[
(1, u'My first comment', '<Post: First Post>'),
(2, u'My second comment', 'None')
],
transform = lambda c: (c.id, c.comment_text, repr(c.post))
)