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Migrated reverse_lookup doctests. Thanks to Eric Florenzano
git-svn-id: http://code.djangoproject.com/svn/django/trunk@13829 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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@ -26,34 +26,3 @@ class Choice(models.Model):
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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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>>> john = User(name="John Doe")
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>>> john.save()
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>>> jim = User(name="Jim Bo")
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>>> jim.save()
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>>> first_poll = Poll(question="What's the first question?", creator=john)
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>>> first_poll.save()
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>>> second_poll = Poll(question="What's the second question?", creator=jim)
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>>> second_poll.save()
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>>> new_choice = Choice(poll=first_poll, related_poll=second_poll, name="This is the answer.")
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>>> new_choice.save()
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>>> # Reverse lookups by field name:
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>>> User.objects.get(poll__question__exact="What's the first question?")
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<User: John Doe>
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>>> User.objects.get(poll__question__exact="What's the second question?")
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<User: Jim Bo>
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>>> # Reverse lookups by related_name:
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>>> Poll.objects.get(poll_choice__name__exact="This is the answer.")
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<Poll: What's the first question?>
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>>> Poll.objects.get(related_choice__name__exact="This is the answer.")
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<Poll: What's the second question?>
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>>> # If a related_name is given you can't use the field name instead:
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>>> Poll.objects.get(choice__name__exact="This is the answer")
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Traceback (most recent call last):
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...
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FieldError: Cannot resolve keyword 'choice' into field. Choices are: creator, id, poll_choice, question, related_choice
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"""}
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49
tests/modeltests/reverse_lookup/tests.py
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49
tests/modeltests/reverse_lookup/tests.py
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@ -0,0 +1,49 @@
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from django.test import TestCase
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from django.core.exceptions import FieldError
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from models import User, Poll, Choice
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class ReverseLookupTests(TestCase):
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def setUp(self):
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john = User.objects.create(name="John Doe")
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jim = User.objects.create(name="Jim Bo")
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first_poll = Poll.objects.create(
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question="What's the first question?",
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creator=john
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)
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second_poll = Poll.objects.create(
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question="What's the second question?",
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creator=jim
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)
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new_choice = Choice.objects.create(
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poll=first_poll,
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related_poll=second_poll,
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name="This is the answer."
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)
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def test_reverse_by_field(self):
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u1 = User.objects.get(
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poll__question__exact="What's the first question?"
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)
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self.assertEqual(u1.name, "John Doe")
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u2 = User.objects.get(
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poll__question__exact="What's the second question?"
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)
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self.assertEqual(u2.name, "Jim Bo")
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def test_reverse_by_related_name(self):
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p1 = Poll.objects.get(poll_choice__name__exact="This is the answer.")
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self.assertEqual(p1.question, "What's the first question?")
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p2 = Poll.objects.get(
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related_choice__name__exact="This is the answer.")
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self.assertEqual(p2.question, "What's the second question?")
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def test_reverse_field_name_disallowed(self):
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"""
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If a related_name is given you can't use the field name instead
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"""
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self.assertRaises(FieldError, Poll.objects.get,
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choice__name__exact="This is the answer")
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