mirror of
https://github.com/django/django.git
synced 2024-12-30 13:05:45 +00:00
95 lines
2.6 KiB
Python
95 lines
2.6 KiB
Python
from django.db.models import Q
|
|
from django.test import TestCase
|
|
|
|
from .models import Issue, UnicodeReferenceModel, User
|
|
|
|
|
|
class RelatedObjectTests(TestCase):
|
|
|
|
def test_related_objects_have_name_attribute(self):
|
|
for field_name in ('test_issue_client', 'test_issue_cc'):
|
|
obj = User._meta.get_field(field_name)
|
|
self.assertEqual(field_name, obj.field.related_query_name())
|
|
|
|
def test_m2m_and_m2o(self):
|
|
r = User.objects.create(username="russell")
|
|
g = User.objects.create(username="gustav")
|
|
|
|
i1 = Issue(num=1)
|
|
i1.client = r
|
|
i1.save()
|
|
|
|
i2 = Issue(num=2)
|
|
i2.client = r
|
|
i2.save()
|
|
i2.cc.add(r)
|
|
|
|
i3 = Issue(num=3)
|
|
i3.client = g
|
|
i3.save()
|
|
i3.cc.add(r)
|
|
|
|
self.assertQuerysetEqual(
|
|
Issue.objects.filter(client=r.id), [
|
|
1,
|
|
2,
|
|
],
|
|
lambda i: i.num
|
|
)
|
|
self.assertQuerysetEqual(
|
|
Issue.objects.filter(client=g.id), [
|
|
3,
|
|
],
|
|
lambda i: i.num
|
|
)
|
|
self.assertQuerysetEqual(
|
|
Issue.objects.filter(cc__id__exact=g.id), []
|
|
)
|
|
self.assertQuerysetEqual(
|
|
Issue.objects.filter(cc__id__exact=r.id), [
|
|
2,
|
|
3,
|
|
],
|
|
lambda i: i.num
|
|
)
|
|
|
|
# These queries combine results from the m2m and the m2o relationships.
|
|
# They're three ways of saying the same thing.
|
|
self.assertQuerysetEqual(
|
|
Issue.objects.filter(Q(cc__id__exact=r.id) | Q(client=r.id)), [
|
|
1,
|
|
2,
|
|
3,
|
|
],
|
|
lambda i: i.num
|
|
)
|
|
self.assertQuerysetEqual(
|
|
Issue.objects.filter(cc__id__exact=r.id) | Issue.objects.filter(client=r.id), [
|
|
1,
|
|
2,
|
|
3,
|
|
],
|
|
lambda i: i.num
|
|
)
|
|
self.assertQuerysetEqual(
|
|
Issue.objects.filter(Q(client=r.id) | Q(cc__id__exact=r.id)), [
|
|
1,
|
|
2,
|
|
3,
|
|
],
|
|
lambda i: i.num
|
|
)
|
|
|
|
|
|
class RelatedObjectUnicodeTests(TestCase):
|
|
def test_m2m_with_unicode_reference(self):
|
|
"""
|
|
Regression test for #6045: references to other models can be unicode
|
|
strings, providing they are directly convertible to ASCII.
|
|
"""
|
|
m1 = UnicodeReferenceModel.objects.create()
|
|
m2 = UnicodeReferenceModel.objects.create()
|
|
m2.others.add(m1) # used to cause an error (see ticket #6045)
|
|
m2.save()
|
|
list(m2.others.all()) # Force retrieval.
|