parts/django/tests/regressiontests/urlpatterns_reverse/tests.py
changeset 307 c6bca38c1cbf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/urlpatterns_reverse/tests.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,330 @@
+"""
+Unit tests for reverse URL lookups.
+"""
+import unittest
+
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from django.core.urlresolvers import reverse, resolve, NoReverseMatch, Resolver404, RegexURLResolver
+from django.http import HttpResponseRedirect, HttpResponsePermanentRedirect
+from django.shortcuts import redirect
+from django.test import TestCase
+
+import urlconf_outer
+import urlconf_inner
+import middleware
+
+test_data = (
+    ('places', '/places/3/', [3], {}),
+    ('places', '/places/3/', ['3'], {}),
+    ('places', NoReverseMatch, ['a'], {}),
+    ('places', NoReverseMatch, [], {}),
+    ('places?', '/place/', [], {}),
+    ('places+', '/places/', [], {}),
+    ('places*', '/place/', [], {}),
+    ('places2?', '/', [], {}),
+    ('places2+', '/places/', [], {}),
+    ('places2*', '/', [], {}),
+    ('places3', '/places/4/', [4], {}),
+    ('places3', '/places/harlem/', ['harlem'], {}),
+    ('places3', NoReverseMatch, ['harlem64'], {}),
+    ('places4', '/places/3/', [], {'id': 3}),
+    ('people', NoReverseMatch, [], {}),
+    ('people', '/people/adrian/', ['adrian'], {}),
+    ('people', '/people/adrian/', [], {'name': 'adrian'}),
+    ('people', NoReverseMatch, ['name with spaces'], {}),
+    ('people', NoReverseMatch, [], {'name': 'name with spaces'}),
+    ('people2', '/people/name/', [], {}),
+    ('people2a', '/people/name/fred/', ['fred'], {}),
+    ('optional', '/optional/fred/', [], {'name': 'fred'}),
+    ('optional', '/optional/fred/', ['fred'], {}),
+    ('hardcoded', '/hardcoded/', [], {}),
+    ('hardcoded2', '/hardcoded/doc.pdf', [], {}),
+    ('people3', '/people/il/adrian/', [], {'state': 'il', 'name': 'adrian'}),
+    ('people3', NoReverseMatch, [], {'state': 'il'}),
+    ('people3', NoReverseMatch, [], {'name': 'adrian'}),
+    ('people4', NoReverseMatch, [], {'state': 'il', 'name': 'adrian'}),
+    ('people6', '/people/il/test/adrian/', ['il/test', 'adrian'], {}),
+    ('people6', '/people//adrian/', ['adrian'], {}),
+    ('range', '/character_set/a/', [], {}),
+    ('range2', '/character_set/x/', [], {}),
+    ('price', '/price/$10/', ['10'], {}),
+    ('price2', '/price/$10/', ['10'], {}),
+    ('price3', '/price/$10/', ['10'], {}),
+    ('product', '/product/chocolate+($2.00)/', [], {'price': '2.00', 'product': 'chocolate'}),
+    ('headlines', '/headlines/2007.5.21/', [], dict(year=2007, month=5, day=21)),
+    ('windows', r'/windows_path/C:%5CDocuments%20and%20Settings%5Cspam/', [], dict(drive_name='C', path=r'Documents and Settings\spam')),
+    ('special', r'/special_chars/+%5C$*/', [r'+\$*'], {}),
+    ('special', NoReverseMatch, [''], {}),
+    ('mixed', '/john/0/', [], {'name': 'john'}),
+    ('repeats', '/repeats/a/', [], {}),
+    ('repeats2', '/repeats/aa/', [], {}),
+    ('repeats3', '/repeats/aa/', [], {}),
+    ('insensitive', '/CaseInsensitive/fred', ['fred'], {}),
+    ('test', '/test/1', [], {}),
+    ('test2', '/test/2', [], {}),
+    ('inner-nothing', '/outer/42/', [], {'outer': '42'}),
+    ('inner-nothing', '/outer/42/', ['42'], {}),
+    ('inner-nothing', NoReverseMatch, ['foo'], {}),
+    ('inner-extra', '/outer/42/extra/inner/', [], {'extra': 'inner', 'outer': '42'}),
+    ('inner-extra', '/outer/42/extra/inner/', ['42', 'inner'], {}),
+    ('inner-extra', NoReverseMatch, ['fred', 'inner'], {}),
+    ('disjunction', NoReverseMatch, ['foo'], {}),
+    ('inner-disjunction', NoReverseMatch, ['10', '11'], {}),
+    ('extra-places', '/e-places/10/', ['10'], {}),
+    ('extra-people', '/e-people/fred/', ['fred'], {}),
+    ('extra-people', '/e-people/fred/', [], {'name': 'fred'}),
+    ('part', '/part/one/', [], {'value': 'one'}),
+    ('part', '/prefix/xx/part/one/', [], {'value': 'one', 'prefix': 'xx'}),
+    ('part2', '/part2/one/', [], {'value': 'one'}),
+    ('part2', '/part2/', [], {}),
+    ('part2', '/prefix/xx/part2/one/', [], {'value': 'one', 'prefix': 'xx'}),
+    ('part2', '/prefix/xx/part2/', [], {'prefix': 'xx'}),
+
+    # Regression for #9038
+    # These views are resolved by method name. Each method is deployed twice -
+    # once with an explicit argument, and once using the default value on
+    # the method. This is potentially ambiguous, as you have to pick the
+    # correct view for the arguments provided.
+    ('kwargs_view', '/arg_view/', [], {}),
+    ('kwargs_view', '/arg_view/10/', [], {'arg1':10}),
+    ('regressiontests.urlpatterns_reverse.views.absolute_kwargs_view', '/absolute_arg_view/', [], {}),
+    ('regressiontests.urlpatterns_reverse.views.absolute_kwargs_view', '/absolute_arg_view/10/', [], {'arg1':10}),
+    ('non_path_include', '/includes/non_path_include/', [], {})
+
+)
+
+class NoURLPatternsTests(TestCase):
+    urls = 'regressiontests.urlpatterns_reverse.no_urls'
+
+    def assertRaisesErrorWithMessage(self, error, message, callable,
+        *args, **kwargs):
+        self.assertRaises(error, callable, *args, **kwargs)
+        try:
+            callable(*args, **kwargs)
+        except error, e:
+            self.assertEqual(message, str(e))
+
+    def test_no_urls_exception(self):
+        """
+        RegexURLResolver should raise an exception when no urlpatterns exist.
+        """
+        resolver = RegexURLResolver(r'^$', self.urls)
+
+        self.assertRaisesErrorWithMessage(ImproperlyConfigured,
+            "The included urlconf regressiontests.urlpatterns_reverse.no_urls "\
+            "doesn't have any patterns in it", getattr, resolver, 'url_patterns')
+
+class URLPatternReverse(TestCase):
+    urls = 'regressiontests.urlpatterns_reverse.urls'
+
+    def test_urlpattern_reverse(self):
+        for name, expected, args, kwargs in test_data:
+            try:
+                got = reverse(name, args=args, kwargs=kwargs)
+            except NoReverseMatch, e:
+                self.assertEqual(expected, NoReverseMatch)
+            else:
+                self.assertEquals(got, expected)
+
+    def test_reverse_none(self):
+        # Reversing None should raise an error, not return the last un-named view.
+        self.assertRaises(NoReverseMatch, reverse, None)
+
+class ResolverTests(unittest.TestCase):
+    def test_non_regex(self):
+        """
+        Verifies that we raise a Resolver404 if what we are resolving doesn't
+        meet the basic requirements of a path to match - i.e., at the very
+        least, it matches the root pattern '^/'. We must never return None
+        from resolve, or we will get a TypeError further down the line.
+
+        Regression for #10834.
+        """
+        self.assertRaises(Resolver404, resolve, '')
+        self.assertRaises(Resolver404, resolve, 'a')
+        self.assertRaises(Resolver404, resolve, '\\')
+        self.assertRaises(Resolver404, resolve, '.')
+
+class ReverseShortcutTests(TestCase):
+    urls = 'regressiontests.urlpatterns_reverse.urls'
+
+    def test_redirect_to_object(self):
+        # We don't really need a model; just something with a get_absolute_url
+        class FakeObj(object):
+            def get_absolute_url(self):
+                return "/hi-there/"
+
+        res = redirect(FakeObj())
+        self.assert_(isinstance(res, HttpResponseRedirect))
+        self.assertEqual(res['Location'], '/hi-there/')
+
+        res = redirect(FakeObj(), permanent=True)
+        self.assert_(isinstance(res, HttpResponsePermanentRedirect))
+        self.assertEqual(res['Location'], '/hi-there/')
+
+    def test_redirect_to_view_name(self):
+        res = redirect('hardcoded2')
+        self.assertEqual(res['Location'], '/hardcoded/doc.pdf')
+        res = redirect('places', 1)
+        self.assertEqual(res['Location'], '/places/1/')
+        res = redirect('headlines', year='2008', month='02', day='17')
+        self.assertEqual(res['Location'], '/headlines/2008.02.17/')
+        self.assertRaises(NoReverseMatch, redirect, 'not-a-view')
+
+    def test_redirect_to_url(self):
+        res = redirect('/foo/')
+        self.assertEqual(res['Location'], '/foo/')
+        res = redirect('http://example.com/')
+        self.assertEqual(res['Location'], 'http://example.com/')
+
+    def test_redirect_view_object(self):
+        from views import absolute_kwargs_view
+        res = redirect(absolute_kwargs_view)
+        self.assertEqual(res['Location'], '/absolute_arg_view/')
+        self.assertRaises(NoReverseMatch, redirect, absolute_kwargs_view, wrong_argument=None)
+
+
+class NamespaceTests(TestCase):
+    urls = 'regressiontests.urlpatterns_reverse.namespace_urls'
+
+    def test_ambiguous_object(self):
+        "Names deployed via dynamic URL objects that require namespaces can't be resolved"
+        self.assertRaises(NoReverseMatch, reverse, 'urlobject-view')
+        self.assertRaises(NoReverseMatch, reverse, 'urlobject-view', args=[37,42])
+        self.assertRaises(NoReverseMatch, reverse, 'urlobject-view', kwargs={'arg1':42, 'arg2':37})
+
+    def test_ambiguous_urlpattern(self):
+        "Names deployed via dynamic URL objects that require namespaces can't be resolved"
+        self.assertRaises(NoReverseMatch, reverse, 'inner-nothing')
+        self.assertRaises(NoReverseMatch, reverse, 'inner-nothing', args=[37,42])
+        self.assertRaises(NoReverseMatch, reverse, 'inner-nothing', kwargs={'arg1':42, 'arg2':37})
+
+    def test_non_existent_namespace(self):
+        "Non-existent namespaces raise errors"
+        self.assertRaises(NoReverseMatch, reverse, 'blahblah:urlobject-view')
+        self.assertRaises(NoReverseMatch, reverse, 'test-ns1:blahblah:urlobject-view')
+
+    def test_normal_name(self):
+        "Normal lookups work as expected"
+        self.assertEquals('/normal/', reverse('normal-view'))
+        self.assertEquals('/normal/37/42/', reverse('normal-view', args=[37,42]))
+        self.assertEquals('/normal/42/37/', reverse('normal-view', kwargs={'arg1':42, 'arg2':37}))
+
+    def test_simple_included_name(self):
+        "Normal lookups work on names included from other patterns"
+        self.assertEquals('/included/normal/', reverse('inc-normal-view'))
+        self.assertEquals('/included/normal/37/42/', reverse('inc-normal-view', args=[37,42]))
+        self.assertEquals('/included/normal/42/37/', reverse('inc-normal-view', kwargs={'arg1':42, 'arg2':37}))
+
+    def test_namespace_object(self):
+        "Dynamic URL objects can be found using a namespace"
+        self.assertEquals('/test1/inner/', reverse('test-ns1:urlobject-view'))
+        self.assertEquals('/test1/inner/37/42/', reverse('test-ns1:urlobject-view', args=[37,42]))
+        self.assertEquals('/test1/inner/42/37/', reverse('test-ns1:urlobject-view', kwargs={'arg1':42, 'arg2':37}))
+
+    def test_embedded_namespace_object(self):
+        "Namespaces can be installed anywhere in the URL pattern tree"
+        self.assertEquals('/included/test3/inner/', reverse('test-ns3:urlobject-view'))
+        self.assertEquals('/included/test3/inner/37/42/', reverse('test-ns3:urlobject-view', args=[37,42]))
+        self.assertEquals('/included/test3/inner/42/37/', reverse('test-ns3:urlobject-view', kwargs={'arg1':42, 'arg2':37}))
+
+    def test_namespace_pattern(self):
+        "Namespaces can be applied to include()'d urlpatterns"
+        self.assertEquals('/ns-included1/normal/', reverse('inc-ns1:inc-normal-view'))
+        self.assertEquals('/ns-included1/normal/37/42/', reverse('inc-ns1:inc-normal-view', args=[37,42]))
+        self.assertEquals('/ns-included1/normal/42/37/', reverse('inc-ns1:inc-normal-view', kwargs={'arg1':42, 'arg2':37}))
+
+    def test_multiple_namespace_pattern(self):
+        "Namespaces can be embedded"
+        self.assertEquals('/ns-included1/test3/inner/', reverse('inc-ns1:test-ns3:urlobject-view'))
+        self.assertEquals('/ns-included1/test3/inner/37/42/', reverse('inc-ns1:test-ns3:urlobject-view', args=[37,42]))
+        self.assertEquals('/ns-included1/test3/inner/42/37/', reverse('inc-ns1:test-ns3:urlobject-view', kwargs={'arg1':42, 'arg2':37}))
+
+    def test_app_lookup_object(self):
+        "A default application namespace can be used for lookup"
+        self.assertEquals('/default/inner/', reverse('testapp:urlobject-view'))
+        self.assertEquals('/default/inner/37/42/', reverse('testapp:urlobject-view', args=[37,42]))
+        self.assertEquals('/default/inner/42/37/', reverse('testapp:urlobject-view', kwargs={'arg1':42, 'arg2':37}))
+
+    def test_app_lookup_object_with_default(self):
+        "A default application namespace is sensitive to the 'current' app can be used for lookup"
+        self.assertEquals('/included/test3/inner/', reverse('testapp:urlobject-view', current_app='test-ns3'))
+        self.assertEquals('/included/test3/inner/37/42/', reverse('testapp:urlobject-view', args=[37,42], current_app='test-ns3'))
+        self.assertEquals('/included/test3/inner/42/37/', reverse('testapp:urlobject-view', kwargs={'arg1':42, 'arg2':37}, current_app='test-ns3'))
+
+    def test_app_lookup_object_without_default(self):
+        "An application namespace without a default is sensitive to the 'current' app can be used for lookup"
+        self.assertEquals('/other2/inner/', reverse('nodefault:urlobject-view'))
+        self.assertEquals('/other2/inner/37/42/', reverse('nodefault:urlobject-view', args=[37,42]))
+        self.assertEquals('/other2/inner/42/37/', reverse('nodefault:urlobject-view', kwargs={'arg1':42, 'arg2':37}))
+
+        self.assertEquals('/other1/inner/', reverse('nodefault:urlobject-view', current_app='other-ns1'))
+        self.assertEquals('/other1/inner/37/42/', reverse('nodefault:urlobject-view', args=[37,42], current_app='other-ns1'))
+        self.assertEquals('/other1/inner/42/37/', reverse('nodefault:urlobject-view', kwargs={'arg1':42, 'arg2':37}, current_app='other-ns1'))
+
+class RequestURLconfTests(TestCase):
+    def setUp(self):
+        self.root_urlconf = settings.ROOT_URLCONF
+        self.middleware_classes = settings.MIDDLEWARE_CLASSES
+        settings.ROOT_URLCONF = urlconf_outer.__name__
+
+    def tearDown(self):
+        settings.ROOT_URLCONF = self.root_urlconf
+        settings.MIDDLEWARE_CLASSES = self.middleware_classes
+
+    def test_urlconf(self):
+        response = self.client.get('/test/me/')
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, 'outer:/test/me/,'
+                                           'inner:/inner_urlconf/second_test/')
+        response = self.client.get('/inner_urlconf/second_test/')
+        self.assertEqual(response.status_code, 200)
+        response = self.client.get('/second_test/')
+        self.assertEqual(response.status_code, 404)
+
+    def test_urlconf_overridden(self):
+        settings.MIDDLEWARE_CLASSES += (
+            '%s.ChangeURLconfMiddleware' % middleware.__name__,
+        )
+        response = self.client.get('/test/me/')
+        self.assertEqual(response.status_code, 404)
+        response = self.client.get('/inner_urlconf/second_test/')
+        self.assertEqual(response.status_code, 404)
+        response = self.client.get('/second_test/')
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.content, 'outer:,inner:/second_test/')
+
+    def test_urlconf_overridden_with_null(self):
+        settings.MIDDLEWARE_CLASSES += (
+            '%s.NullChangeURLconfMiddleware' % middleware.__name__,
+        )
+        self.assertRaises(ImproperlyConfigured, self.client.get, '/test/me/')
+
+class ErrorHandlerResolutionTests(TestCase):
+    """Tests for handler404 and handler500"""
+
+    def setUp(self):
+        urlconf = 'regressiontests.urlpatterns_reverse.urls_error_handlers'
+        urlconf_callables = 'regressiontests.urlpatterns_reverse.urls_error_handlers_callables'
+        self.resolver = RegexURLResolver(r'^$', urlconf)
+        self.callable_resolver = RegexURLResolver(r'^$', urlconf_callables)
+
+    def test_named_handlers(self):
+        from views import empty_view
+        handler = (empty_view, {})
+        self.assertEqual(self.resolver.resolve404(), handler)
+        self.assertEqual(self.resolver.resolve500(), handler)
+
+    def test_callable_handers(self):
+        from views import empty_view
+        handler = (empty_view, {})
+        self.assertEqual(self.callable_resolver.resolve404(), handler)
+        self.assertEqual(self.callable_resolver.resolve500(), handler)
+
+class NoRootUrlConfTests(TestCase):
+    """Tests for handler404 and handler500 if urlconf is None"""
+    urls = None
+
+    def test_no_handler_exception(self):
+        self.assertRaises(ImproperlyConfigured, self.client.get, '/test/me/')