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66 lines
1.7 KiB
Python
66 lines
1.7 KiB
Python
"""
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Regression tests for a few ForeignKey bugs.
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"""
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from __future__ import unicode_literals
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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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# If ticket #1578 ever slips back in, these models will not be able to be
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# created (the field names being lower-cased versions of their opposite
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# classes is important here).
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class First(models.Model):
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second = models.IntegerField()
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class Second(models.Model):
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first = models.ForeignKey(First, related_name='the_first')
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# Protect against repetition of #1839, #2415 and #2536.
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class Third(models.Model):
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name = models.CharField(max_length=20)
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third = models.ForeignKey('self', null=True, related_name='child_set')
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class Parent(models.Model):
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name = models.CharField(max_length=20)
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bestchild = models.ForeignKey('Child', null=True, related_name='favored_by')
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class Child(models.Model):
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name = models.CharField(max_length=20)
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parent = models.ForeignKey(Parent)
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# Multiple paths to the same model (#7110, #7125)
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@python_2_unicode_compatible
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class Category(models.Model):
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name = models.CharField(max_length=20)
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def __str__(self):
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return self.name
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class Record(models.Model):
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category = models.ForeignKey(Category)
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@python_2_unicode_compatible
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class Relation(models.Model):
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left = models.ForeignKey(Record, related_name='left_set')
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right = models.ForeignKey(Record, related_name='right_set')
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def __str__(self):
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return "%s - %s" % (self.left.category.name, self.right.category.name)
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class Car(models.Model):
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make = models.CharField(max_length=100, null=True, unique=True)
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class Driver(models.Model):
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car = models.ForeignKey(Car, to_field='make', null=True, related_name='drivers')
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