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from django.test import TestCase
from .models import Article, Bar, Base, Child, Foo, Whiz
class StringLookupTests(TestCase):
def test_string_form_referencing(self):
"""
Regression test for #1661 and #1662
String form referencing of models works, both as pre and post
reference, on all RelatedField types.
"""
f1 = Foo(name="Foo1")
f1.save()
f2 = Foo(name="Foo2")
f2.save()
w1 = Whiz(name="Whiz1")
w1.save()
b1 = Bar(name="Bar1", normal=f1, fwd=w1, back=f2)
b1.save()
self.assertEqual(b1.normal, f1)
self.assertEqual(b1.fwd, w1)
self.assertEqual(b1.back, f2)
base1 = Base(name="Base1")
base1.save()
child1 = Child(name="Child1", parent=base1)
child1.save()
self.assertEqual(child1.parent, base1)
def test_unicode_chars_in_queries(self):
"""
Regression tests for #3937
make sure we can use unicode characters in queries.
If these tests fail on MySQL, it's a problem with the test setup.
A properly configured UTF-8 database can handle this.
"""
fx = Foo(name="Bjorn", friend="François")
fx.save()
self.assertEqual(Foo.objects.get(friend__contains="\xe7"), fx)
def test_queries_on_textfields(self):
"""
Regression tests for #5087
make sure we can perform queries on TextFields.
"""
a = Article(name="Test", text="The quick brown fox jumps over the lazy dog.")
a.save()
self.assertEqual(
Article.objects.get(
text__exact="The quick brown fox jumps over the lazy dog."
),
a,
)
self.assertEqual(Article.objects.get(text__contains="quick brown fox"), a)
def test_ipaddress_on_postgresql(self):
"""
Regression test for #708
"like" queries on IP address fields require casting with HOST() (on PostgreSQL).
"""
a = Article(name="IP test", text="The body", submitted_from="192.0.2.100")
a.save()
self.assertSequenceEqual(
Article.objects.filter(submitted_from__contains="192.0.2"), [a]
)
# The searches do not match the subnet mask (/32 in this case)
self.assertEqual(
Article.objects.filter(submitted_from__contains="32").count(), 0
)
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