django/tests/string_lookup/tests.py

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# -*- coding: utf-8 -*-
from __future__ import absolute_import, unicode_literals
from django.test import TestCase
from .models import Foo, Whiz, Bar, Article, Base, Child
class StringLookupTests(TestCase):
def test_string_form_referencing(self):
"""
Regression test for #1661 and #1662
Check that 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 to text (on PostgreSQL).
"""
a = Article(name='IP test', text='The body', submitted_from='192.0.2.100')
a.save()
self.assertEqual(repr(Article.objects.filter(submitted_from__contains='192.0.2')),
repr([a]))