/tests/regressiontests/null_fk_ordering/models.py

https://code.google.com/p/mango-py/ · Python · 49 lines · 27 code · 13 blank · 9 comment · 0 complexity · 459c21ee1f3437f7c98d8976e9d6ee34 MD5 · raw file

  1. """
  2. Regression tests for proper working of ForeignKey(null=True). Tests these bugs:
  3. * #7512: including a nullable foreign key reference in Meta ordering has un
  4. xpected results
  5. """
  6. from django.db import models
  7. # The first two models represent a very simple null FK ordering case.
  8. class Author(models.Model):
  9. name = models.CharField(max_length=150)
  10. class Article(models.Model):
  11. title = models.CharField(max_length=150)
  12. author = models.ForeignKey(Author, null=True)
  13. def __unicode__(self):
  14. return u'Article titled: %s' % (self.title, )
  15. class Meta:
  16. ordering = ['author__name', ]
  17. # These following 4 models represent a far more complex ordering case.
  18. class SystemInfo(models.Model):
  19. system_name = models.CharField(max_length=32)
  20. class Forum(models.Model):
  21. system_info = models.ForeignKey(SystemInfo)
  22. forum_name = models.CharField(max_length=32)
  23. class Post(models.Model):
  24. forum = models.ForeignKey(Forum, null=True)
  25. title = models.CharField(max_length=32)
  26. def __unicode__(self):
  27. return self.title
  28. class Comment(models.Model):
  29. post = models.ForeignKey(Post, null=True)
  30. comment_text = models.CharField(max_length=250)
  31. class Meta:
  32. ordering = ['post__forum__system_info__system_name', 'comment_text']
  33. def __unicode__(self):
  34. return self.comment_text