49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
"""
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Regression tests for the interaction between model inheritance and
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select_related().
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"""
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from django.db import models
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class Place(models.Model):
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name = models.CharField(max_length=50)
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class Meta:
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ordering = ('name',)
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def __unicode__(self):
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return u"%s the place" % self.name
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class Restaurant(Place):
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serves_sushi = models.BooleanField()
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serves_steak = models.BooleanField()
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def __unicode__(self):
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return u"%s the restaurant" % self.name
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class Person(models.Model):
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name = models.CharField(max_length=50)
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favorite_restaurant = models.ForeignKey(Restaurant)
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def __unicode__(self):
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return self.name
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__test__ = {'API_TESTS':"""
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Regression test for #7246
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>>> r1 = Restaurant.objects.create(name="Nobu", serves_sushi=True, serves_steak=False)
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>>> r2 = Restaurant.objects.create(name="Craft", serves_sushi=False, serves_steak=True)
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>>> p1 = Person.objects.create(name="John", favorite_restaurant=r1)
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>>> p2 = Person.objects.create(name="Jane", favorite_restaurant=r2)
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>>> Person.objects.order_by('name').select_related()
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[<Person: Jane>, <Person: John>]
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>>> Person.objects.order_by('name').select_related('favorite_restaurant').query.as_sql()
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>>> jane = Person.objects.order_by('name').select_related('favorite_restaurant')[0]
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>>> jane.favorite_restaurant.name
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u'Craft'
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"""}
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