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/tests/regressiontests/generic_relations_regress/tests.py

https://code.google.com/p/mango-py/
Python | 74 lines | 41 code | 11 blank | 22 comment | 2 complexity | 2cd8060b8738c361ca6268cab7b6f17d MD5 | raw file
 1from django.test import TestCase
 2from django.contrib.contenttypes.models import ContentType
 3from django.db.models import Q
 4from models import *
 5
 6class GenericRelationTests(TestCase):
 7
 8    def test_inherited_models_content_type(self):
 9        """
10        Test that GenericRelations on inherited classes use the correct content
11        type.
12        """
13
14        p = Place.objects.create(name="South Park")
15        r = Restaurant.objects.create(name="Chubby's")
16        l1 = Link.objects.create(content_object=p)
17        l2 = Link.objects.create(content_object=r)
18        self.assertEqual(list(p.links.all()), [l1])
19        self.assertEqual(list(r.links.all()), [l2])
20
21    def test_reverse_relation_pk(self):
22        """
23        Test that the correct column name is used for the primary key on the
24        originating model of a query.  See #12664.
25        """
26        p = Person.objects.create(account=23, name='Chef')
27        a = Address.objects.create(street='123 Anywhere Place',
28                                   city='Conifer', state='CO',
29                                   zipcode='80433', content_object=p)
30
31        qs = Person.objects.filter(addresses__zipcode='80433')
32        self.assertEqual(1, qs.count())
33        self.assertEqual('Chef', qs[0].name)
34
35    def test_charlink_delete(self):
36        oddrel = OddRelation1.objects.create(name='clink')
37        cl = CharLink.objects.create(content_object=oddrel)
38        oddrel.delete()
39
40    def test_textlink_delete(self):
41        oddrel = OddRelation2.objects.create(name='tlink')
42        tl = TextLink.objects.create(content_object=oddrel)
43        oddrel.delete()
44
45    def test_q_object_or(self):
46        """
47        Tests that SQL query parameters for generic relations are properly
48        grouped when OR is used.
49
50        Test for bug http://code.djangoproject.com/ticket/11535
51
52        In this bug the first query (below) works while the second, with the
53        query parameters the same but in reverse order, does not.
54
55        The issue is that the generic relation conditions do not get properly
56        grouped in parentheses.
57        """
58        note_contact = Contact.objects.create()
59        org_contact = Contact.objects.create()
60        note = Note.objects.create(note='note', content_object=note_contact)
61        org = Organization.objects.create(name='org name')
62        org.contacts.add(org_contact)
63        # search with a non-matching note and a matching org name
64        qs = Contact.objects.filter(Q(notes__note__icontains=r'other note') |
65                            Q(organizations__name__icontains=r'org name'))
66        self.assertTrue(org_contact in qs)
67        # search again, with the same query parameters, in reverse order
68        qs = Contact.objects.filter(
69            Q(organizations__name__icontains=r'org name') |
70            Q(notes__note__icontains=r'other note'))
71        self.assertTrue(org_contact in qs)
72
73
74