Mutually recursive models unit tests.

git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1705 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/mutually_referential/models.py

@@ -0,0 +1,32 @@
+"""
+24. Mutually referential many-to-one relationships
+
+To define a many-to-one relationship, use ``ForeignKey()`` .
+"""
+
+from django.db.models import *
+
+class Parent(Model):
+    name = CharField(maxlength=100)
+    bestchild = ForeignKey("Child", null=True)
+    
+class Child(Model):
+    name = CharField(maxlength=100)
+    parent = ForeignKey(Parent)
+    
+API_TESTS = """
+# Create a Parent
+>>> q = Parent(name='Elizabeth')
+>>> q.save()
+
+# Create some children
+>>> c = q.add_child(name='Charles') 
+>>> e = q.add_child(name='Edward')
+
+# Set the best child
+>>> q.bestchild_id = c.id
+>>> q.save()
+
+>>> q.delete()
+
+"""