mirror of https://github.com/django/django.git
39 lines
1.0 KiB
Python
39 lines
1.0 KiB
Python
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"""
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Regression tests for custom manager classes.
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"""
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from django.db import models
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class RestrictedManager(models.Manager):
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"""
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A manager that filters out non-public instances.
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"""
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def get_query_set(self):
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return super(RestrictedManager, self).get_query_set().filter(is_public=True)
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class RestrictedClass(models.Model):
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name = models.CharField(max_length=50)
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is_public = models.BooleanField(default=False)
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objects = RestrictedManager()
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plain_manager = models.Manager()
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def __unicode__(self):
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return self.name
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__test__ = {"tests": """
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Even though the default manager filters out some records, we must still be able
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to save (particularly, save by updating existing records) those filtered
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instances. This is a regression test for #FIXME.
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>>> obj = RestrictedClass.objects.create(name="hidden")
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>>> obj.name = "still hidden"
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>>> obj.save()
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# If the hidden object wasn't seen during the save process, there would now be
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# two objects in the database.
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>>> RestrictedClass.plain_manager.count()
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1
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"""
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}
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