--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/null_fk/models.py Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,33 @@
+"""
+Regression tests for proper working of ForeignKey(null=True).
+"""
+
+from django.db import models
+
+class SystemDetails(models.Model):
+ details = models.TextField()
+
+class SystemInfo(models.Model):
+ system_details = models.ForeignKey(SystemDetails)
+ system_name = models.CharField(max_length=32)
+
+class Forum(models.Model):
+ system_info = models.ForeignKey(SystemInfo)
+ forum_name = models.CharField(max_length=32)
+
+class Post(models.Model):
+ forum = models.ForeignKey(Forum, null=True)
+ title = models.CharField(max_length=32)
+
+ def __unicode__(self):
+ return self.title
+
+class Comment(models.Model):
+ post = models.ForeignKey(Post, null=True)
+ comment_text = models.CharField(max_length=250)
+
+ class Meta:
+ ordering = ('comment_text',)
+
+ def __unicode__(self):
+ return self.comment_text