Ticket #17315: django-exclude-bug.diff

tests/modeltests/lookup/tests.py

@@ -436 +436 @@
                 '<Article: Article 1>',
             ])
 
+    def test_exclude_multi_valued_relationship(self):
+        # Only Author 3 has published an "Article_ with underscore"
+        # before 2006.
+        a8 = Article.objects.create(   
+            headline='Article_ with underscore',
+            pub_date=datetime(2011, 11, 20),
+            author=self.au1)
+        a9 = Article.objects.create(
+            headline='Article_ with underscore',
+            pub_date=datetime(2011, 11, 20),
+            author=self.au2)
+        au3 = Author.objects.create(name='Author 3')
+        a10 = Article.objects.create(
+            headline='Article_ with underscore',
+            pub_date=datetime(2005, 11, 21),
+            author=au3)
+
+        self.assertQuerysetEqual(
+            Author.objects.filter(
+                article__headline='Article_ with underscore',
+                article__pub_date__lt=datetime(2006, 1, 1)),
+            [
+                '<Author: Author 3>',
+            ])
+
+        self.assertQuerysetEqual(
+            Author.objects.exclude(
+                article__headline='Article_ with underscore',
+                article__pub_date__lt=datetime(2006, 1, 1)),
+            [
+                '<Author: Author 1>',
+                '<Author: Author 2>',
+            ])
+
     def test_none(self):
        # none() returns an EmptyQuerySet that behaves like any other QuerySet object
         self.assertQuerysetEqual(Article.objects.none(), [])

tests/modeltests/lookup/models.py

@@ -12 +12 @@
     class Meta:
         ordering = ('name', )
 
+    def __unicode__(self):
+        return self.name
+
 class Article(models.Model):
     headline = models.CharField(max_length=100)
     pub_date = models.DateTimeField()