Migrated reverse_single_related doctests. Thanks to Stephan Jaekel.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@13926 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2010-09-28 07:06:15 +00:00
parent 30228b6459
commit 891bc66d55
2 changed files with 36 additions and 42 deletions

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@ -1,11 +1,5 @@
"""
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)
@ -16,39 +10,3 @@ class Source(models.Model):
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>
# If the manager is marked "use_for_related_fields", it'll get used instead
# of the "bare" queryset. Usually you'd define this as a property on the class,
# but this approximates that in a way that's easier in tests.
>>> Source.objects.use_for_related_fields = True
>>> private_item = Item.objects.get(pk=private_item.pk)
>>> private_item.source
Traceback (most recent call last):
...
DoesNotExist: Source matching query does not exist.
"""}

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@ -0,0 +1,36 @@
from django.test import TestCase
from regressiontests.reverse_single_related.models import *
class ReverseSingleRelatedTests(TestCase):
"""
Regression tests for an object that cannot access a single related
object due to a restrictive default manager.
"""
def test_reverse_single_related(self):
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.
self.assertQuerysetEqual(
Source.objects.all(),
["<Source: Source object>"]
)
self.assertEquals(public_item.source, public_source)
# Make sure that an item can still access its related source even if the default
# manager doesn't normally allow it.
self.assertEquals(private_item.source, private_source)
# If the manager is marked "use_for_related_fields", it'll get used instead
# of the "bare" queryset. Usually you'd define this as a property on the class,
# but this approximates that in a way that's easier in tests.
Source.objects.use_for_related_fields = True
private_item = Item.objects.get(pk=private_item.pk)
self.assertRaises(Source.DoesNotExist, lambda: private_item.source)