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Code Issues 32 Releases Wiki Activity

magic-removal: Fixed #1143 -- Fixed backwards incompatibilities in many-to-many DB API lookups, added support for reverse many-to-many lookups, added unit tests. Thanks, Russ

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git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1802 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
2005-12-30 16:38:26 +00:00
parent 9d5272d61d
commit b72373a7fd
3 changed files with 67 additions and 5 deletions
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25
tests/modeltests/many_to_many/models.py
View File

@@ -28,6 +28,8 @@ API_TESTS = """
>>> p1.save()
>>> p2 = Publication(id=None, title='Science News')
>>> p2.save()
>>> p3 = Publication(id=None, title='Science Weekly')
>>> p3.save()
# Create an Article.
>>> a1 = Article(id=None, headline='Django lets you build Web apps easily')
@@ -50,14 +52,14 @@ False
True
>>> a2.set_publications([p1.id])
True
>>> a2.set_publications([p1.id, p2.id])
>>> a2.set_publications([p1.id, p2.id, p3.id])
True
# Article objects have access to their related Publication objects.
>>> a1.get_publication_list()
[The Python Journal]
>>> a2.get_publication_list()
[The Python Journal, Science News]
[The Python Journal, Science News, Science Weekly]
# Publication objects have access to their related Article objects.
>>> p2.get_article_list()
@@ -65,10 +67,27 @@ True
>>> p1.get_article_list(order_by=['headline'])
[Django lets you build Web apps easily, NASA uses Python]
# We can perform kwarg queries across m2m relationships
>>> Article.objects.get_list(publications__pk=1)
[Django lets you build Web apps easily, NASA uses Python]
>>> Article.objects.get_list(publications__title__startswith="Science")
[NASA uses Python, NASA uses Python]
>>> Article.objects.get_list(publications__title__startswith="Science", distinct=True)
[NASA uses Python]
# Reverse m2m queries (i.e., start at the table that doesn't have a ManyToManyField)
>>> Publication.objects.get_list(articles__headline__startswith="NASA")
[The Python Journal, Science News, Science Weekly]
>>> Publication.objects.get_list(articles__pk=1)
[The Python Journal]
# If we delete a Publication, its Articles won't be able to access it.
>>> p1.delete()
>>> Publication.objects.get_list()
[Science News]
[Science News, Science Weekly]
>>> a1 = Article.objects.get_object(pk=1)
>>> a1.get_publication_list()
[]

2
tests/modeltests/one_to_one/models.py
View File

@@ -66,6 +66,8 @@ DoesNotExist: Restaurant does not exist for {'place__id__exact': ...}
>>> Restaurant.objects.get_object(place__id__exact=1)
Demon Dogs the restaurant
>>> Restaurant.objects.get_object(place__name__startswith="Demon")
Demon Dogs the restaurant
>>> Restaurant.objects.get_object(pk=1)
Demon Dogs the restaurant