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) # We can also do the above query using UTF-8 strings. self.assertEqual(Foo.objects.get(friend__contains=b'\xc3\xa7'), 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)