mirror of https://github.com/django/django.git
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
|
"""
|
||
|
|
Regression tests for an object that cannot access a single related object due
|
||
|
|
to a restrictive default manager.
|
||
|
|
"""
|
||
|
|
|
||
|
|
from django.db import models
|
||
|
|
|
||
|
|
|
||
|
|
class SourceManager(models.Manager):
|
||
|
|
def get_query_set(self):
|
||
|
|
return super(SourceManager, self).get_query_set().filter(is_public=True)
|
||
|
|
|
||
|
|
class Source(models.Model):
|
||
|
|
is_public = models.BooleanField()
|
||
|
|
objects = SourceManager()
|
||
|
|
|
||
|
|
class Item(models.Model):
|
||
|
|
source = models.ForeignKey(Source)
|
||
|
|
|
||
|
|
|
||
|
|
__test__ = {'API_TESTS':"""
|
||
|
|
|
||
|
|
>>> public_source = Source.objects.create(is_public=True)
|
||
|
|
>>> public_item = Item.objects.create(source=public_source)
|
||
|
|
|
||
|
|
>>> private_source = Source.objects.create(is_public=False)
|
||
|
|
>>> private_item = Item.objects.create(source=private_source)
|
||
|
|
|
||
|
|
Only one source is available via all() due to the custom default manager.
|
||
|
|
|
||
|
|
>>> Source.objects.all()
|
||
|
|
[<Source: Source object>]
|
||
|
|
|
||
|
|
>>> public_item.source
|
||
|
|
<Source: Source object>
|
||
|
|
|
||
|
|
Make sure that an item can still access its related source even if the default
|
||
|
|
manager doesn't normally allow it.
|
||
|
|
|
||
|
|
>>> private_item.source
|
||
|
|
<Source: Source object>
|
||
|
|
|
||
|
|
"""}
|