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50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
"""
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Tests for the order_with_respect_to Meta attribute.
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"""
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from django.db import models
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class Question(models.Model):
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text = models.CharField(max_length=200)
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class Answer(models.Model):
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text = models.CharField(max_length=200)
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question = models.ForeignKey(Question, models.CASCADE)
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class Meta:
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order_with_respect_to = "question"
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def __str__(self):
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return self.text
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class Post(models.Model):
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title = models.CharField(max_length=200)
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parent = models.ForeignKey(
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"self", models.SET_NULL, related_name="children", null=True
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)
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class Meta:
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order_with_respect_to = "parent"
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def __str__(self):
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return self.title
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# order_with_respect_to points to a model with a OneToOneField primary key.
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class Entity(models.Model):
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pass
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class Dimension(models.Model):
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entity = models.OneToOneField("Entity", primary_key=True, on_delete=models.CASCADE)
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class Component(models.Model):
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dimension = models.ForeignKey("Dimension", on_delete=models.CASCADE)
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class Meta:
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order_with_respect_to = "dimension"
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