[1.2.X] Migrated custom_methods doctests. Thanks to Alex Gaynor.

Backport of r13775 from trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13792 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/custom_methods/tests.py

@@ -0,0 +1,42 @@
+from datetime import date
+
+from django.test import TestCase
+
+from models import Article
+
+
+class MethodsTests(TestCase):
+    def test_custom_methods(self):
+        a = Article.objects.create(
+            headline="Area man programs in Python", pub_date=date(2005, 7, 27)
+        )
+        b = Article.objects.create(
+            headline="Beatles reunite", pub_date=date(2005, 7, 27)
+        )
+
+        self.assertFalse(a.was_published_today())
+        self.assertQuerysetEqual(
+            a.articles_from_same_day_1(), [
+                "Beatles reunite",
+            ],
+            lambda a: a.headline,
+        )
+        self.assertQuerysetEqual(
+            a.articles_from_same_day_2(), [
+                "Beatles reunite",
+            ],
+            lambda a: a.headline
+        )
+
+        self.assertQuerysetEqual(
+            b.articles_from_same_day_1(), [
+                "Area man programs in Python",
+            ],
+            lambda a: a.headline,
+        )
+        self.assertQuerysetEqual(
+            b.articles_from_same_day_2(), [
+                "Area man programs in Python",
+            ],
+            lambda a: a.headline
+        )