mirror of https://github.com/django/django.git
99 lines
2.7 KiB
Python
99 lines
2.7 KiB
Python
from django.db.models import Q
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from django.test import TestCase
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from .models import Issue, StringReferenceModel, User
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class RelatedObjectTests(TestCase):
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def test_related_objects_have_name_attribute(self):
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for field_name in ("test_issue_client", "test_issue_cc"):
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obj = User._meta.get_field(field_name)
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self.assertEqual(field_name, obj.field.related_query_name())
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def test_m2m_and_m2o(self):
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r = User.objects.create(username="russell")
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g = User.objects.create(username="gustav")
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i1 = Issue(num=1)
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i1.client = r
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i1.save()
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i2 = Issue(num=2)
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i2.client = r
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i2.save()
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i2.cc.add(r)
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i3 = Issue(num=3)
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i3.client = g
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i3.save()
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i3.cc.add(r)
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self.assertQuerySetEqual(
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Issue.objects.filter(client=r.id),
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[
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1,
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2,
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],
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lambda i: i.num,
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)
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self.assertQuerySetEqual(
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Issue.objects.filter(client=g.id),
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[
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3,
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],
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lambda i: i.num,
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)
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self.assertQuerySetEqual(Issue.objects.filter(cc__id__exact=g.id), [])
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self.assertQuerySetEqual(
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Issue.objects.filter(cc__id__exact=r.id),
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[
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2,
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3,
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],
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lambda i: i.num,
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)
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# These queries combine results from the m2m and the m2o relationships.
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# They're three ways of saying the same thing.
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self.assertQuerySetEqual(
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Issue.objects.filter(Q(cc__id__exact=r.id) | Q(client=r.id)),
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[
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1,
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2,
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3,
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],
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lambda i: i.num,
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)
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self.assertQuerySetEqual(
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Issue.objects.filter(cc__id__exact=r.id)
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| Issue.objects.filter(client=r.id),
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[
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1,
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2,
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3,
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],
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lambda i: i.num,
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)
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self.assertQuerySetEqual(
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Issue.objects.filter(Q(client=r.id) | Q(cc__id__exact=r.id)),
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[
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1,
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2,
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3,
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],
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lambda i: i.num,
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)
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class RelatedObjectUnicodeTests(TestCase):
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def test_m2m_with_unicode_reference(self):
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"""
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Regression test for #6045: references to other models can be
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strings, providing they are directly convertible to ASCII.
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"""
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m1 = StringReferenceModel.objects.create()
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m2 = StringReferenceModel.objects.create()
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m2.others.add(m1) # used to cause an error (see ticket #6045)
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m2.save()
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list(m2.others.all()) # Force retrieval.
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