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fb48eb0581
Thanks to Russell Keith-Magee for mentoring this Google Summer of Code 2014 project and everyone else who helped with the patch!
95 lines
2.6 KiB
Python
95 lines
2.6 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, User, UnicodeReferenceModel
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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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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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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=g.id), []
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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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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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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) | Issue.objects.filter(client=r.id), [
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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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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 unicode
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strings, providing they are directly convertible to ASCII.
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"""
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m1 = UnicodeReferenceModel.objects.create()
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m2 = UnicodeReferenceModel.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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