queryset-refactor: Added ~ support to Q-objects. Based heavily on a patch from

Collin Grady. Refs #4858.


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@6518 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/modeltests/or_lookups/models.py b/tests/modeltests/or_lookups/models.py
index 5dc8351054..b3500f27e7 100644
--- a/tests/modeltests/or_lookups/models.py
+++ b/tests/modeltests/or_lookups/models.py
@@ -90,6 +90,17 @@ __test__ = {'API_TESTS':"""
 >>> Article.objects.filter(Q(headline__contains='bye'), headline__startswith='Hello')
 [<Article: Hello and goodbye>]
 
+# Q objects can be negated
+>>> Article.objects.filter(Q(pk=1) | ~Q(pk=2))
+[<Article: Hello>, <Article: Hello and goodbye>]
+>>> Article.objects.filter(~Q(pk=1) & ~Q(pk=2))
+[<Article: Hello and goodbye>]
+
+# This allows for more complex queries than filter() and exclude() alone would
+# allow
+>>> Article.objects.filter(Q(pk=1) & (~Q(pk=2) | Q(pk=3)))
+[<Article: Hello>]
+
 # Try some arg queries with operations other than get_list
 >>> Article.objects.get(Q(headline__startswith='Hello'), Q(headline__contains='bye'))
 <Article: Hello and goodbye>