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57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
"""
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Regression tests for proper working of ForeignKey(null=True).
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"""
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from django.db import models
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from django.utils.encoding import python_2_unicode_compatible
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class SystemDetails(models.Model):
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details = models.TextField()
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class SystemInfo(models.Model):
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system_details = models.ForeignKey(SystemDetails, models.CASCADE)
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system_name = models.CharField(max_length=32)
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class Forum(models.Model):
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system_info = models.ForeignKey(SystemInfo, models.CASCADE)
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forum_name = models.CharField(max_length=32)
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@python_2_unicode_compatible
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class Post(models.Model):
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forum = models.ForeignKey(Forum, models.SET_NULL, null=True)
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title = models.CharField(max_length=32)
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def __str__(self):
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return self.title
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@python_2_unicode_compatible
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class Comment(models.Model):
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post = models.ForeignKey(Post, models.SET_NULL, null=True)
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comment_text = models.CharField(max_length=250)
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class Meta:
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ordering = ('comment_text',)
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def __str__(self):
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return self.comment_text
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# Ticket 15823
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class Item(models.Model):
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title = models.CharField(max_length=100)
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class PropertyValue(models.Model):
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label = models.CharField(max_length=100)
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class Property(models.Model):
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item = models.ForeignKey(Item, models.CASCADE, related_name='props')
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key = models.CharField(max_length=100)
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value = models.ForeignKey(PropertyValue, models.SET_NULL, null=True)
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