Ensure that NullBooleanField displays the appropriate icon for null values in admin changelists. Refs #13071.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12746 bcc190cf-cafb-0310-a4f2-bffc1f526a37

2 files changed, 11 insertions, 0 deletions

diff --git a/tests/regressiontests/admin_views/models.py b/tests/regressiontests/admin_views/models.py
index dfdb18f0be..b8b4e50ba2 100644
--- a/tests/regressiontests/admin_views/models.py
+++ b/tests/regressiontests/admin_views/models.py
@@ -464,11 +464,13 @@ class Post(models.Model):
     title = models.CharField(max_length=100)
     content = models.TextField()
     posted = models.DateField(default=datetime.date.today)
+    public = models.NullBooleanField()
 
     def awesomeness_level(self):
         return "Very awesome."
 
 class PostAdmin(admin.ModelAdmin):
+    list_display = ['title', 'public']
     readonly_fields = ('posted', 'awesomeness_level', 'coolness', lambda obj: "foo")
 
     inlines = [
diff --git a/tests/regressiontests/admin_views/tests.py b/tests/regressiontests/admin_views/tests.py
index b66d2956f9..655478a9ed 100644
--- a/tests/regressiontests/admin_views/tests.py
+++ b/tests/regressiontests/admin_views/tests.py
@@ -253,6 +253,15 @@ class AdminViewBasicTest(TestCase):
             "Changelist filter isn't showing options contained inside a model field 'choices' option named group."
         )
 
+    def testChangeListNullBooleanDisplay(self):
+        Post.objects.create(public=None)
+        # This hard-codes the URl because it'll fail if it runs
+        # against the 'admin2' custom admin (which doesn't have the
+        # Post model).
+        response = self.client.get("/test_admin/admin/admin_views/post/")
+        self.failUnless('icon-unknown.gif' in response.content)
+        print "Passed"
+
 class SaveAsTests(TestCase):
     fixtures = ['admin-views-users.xml','admin-views-person.xml']