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django/tests/regressiontests/urlpatterns_reverse/tests.py

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"""
Unit tests for reverse URL lookups.
"""
__test__ = {'API_TESTS': """
RegexURLResolver should raise an exception when no urlpatterns exist.
>>> from django.core.urlresolvers import RegexURLResolver
>>> no_urls = 'regressiontests.urlpatterns_reverse.no_urls'
>>> resolver = RegexURLResolver(r'^$', no_urls)
>>> resolver.url_patterns
Traceback (most recent call last):
...
ImproperlyConfigured: The included urlconf regressiontests.urlpatterns_reverse.no_urls doesn't have any patterns in it
"""}
import unittest
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.core.urlresolvers import reverse, resolve, NoReverseMatch, Resolver404, ResolverMatch
from django.http import HttpResponseRedirect, HttpResponsePermanentRedirect
from django.shortcuts import redirect
from django.test import TestCase
import urlconf_outer
import urlconf_inner
import middleware
import views
resolve_test_data = (
# These entries are in the format: (path, url_name, app_name, namespace, view_func, args, kwargs)
# Simple case
('/normal/42/37/', 'normal-view', None, '', views.empty_view, tuple(), {'arg1': '42', 'arg2': '37'}),
('/view_class/42/37/', 'view-class', None, '', views.view_class_instance, tuple(), {'arg1': '42', 'arg2': '37'}),
('/included/normal/42/37/', 'inc-normal-view', None, '', views.empty_view, tuple(), {'arg1': '42', 'arg2': '37'}),
('/included/view_class/42/37/', 'inc-view-class', None, '', views.view_class_instance, tuple(), {'arg1': '42', 'arg2': '37'}),
# Unnamed args are dropped if you have *any* kwargs in a pattern
('/mixed_args/42/37/', 'mixed-args', None, '', views.empty_view, tuple(), {'arg2': '37'}),
('/included/mixed_args/42/37/', 'inc-mixed-args', None, '', views.empty_view, tuple(), {'arg2': '37'}),
# Unnamed views will be resolved to the function/class name
('/unnamed/normal/42/37/', 'regressiontests.urlpatterns_reverse.views.empty_view', None, '', views.empty_view, tuple(), {'arg1': '42', 'arg2': '37'}),
('/unnamed/view_class/42/37/', 'regressiontests.urlpatterns_reverse.views.ViewClass', None, '', views.view_class_instance, tuple(), {'arg1': '42', 'arg2': '37'}),
# If you have no kwargs, you get an args list.
('/no_kwargs/42/37/', 'no-kwargs', None, '', views.empty_view, ('42','37'), {}),
('/included/no_kwargs/42/37/', 'inc-no-kwargs', None, '', views.empty_view, ('42','37'), {}),
# Namespaces
('/test1/inner/42/37/', 'urlobject-view', 'testapp', 'test-ns1', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
('/included/test3/inner/42/37/', 'urlobject-view', 'testapp', 'test-ns3', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
('/ns-included1/normal/42/37/', 'inc-normal-view', None, 'inc-ns1', views.empty_view, tuple(), {'arg1': '42', 'arg2': '37'}),
('/included/test3/inner/42/37/', 'urlobject-view', 'testapp', 'test-ns3', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
('/default/inner/42/37/', 'urlobject-view', 'testapp', 'testapp', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
('/other2/inner/42/37/', 'urlobject-view', 'nodefault', 'other-ns2', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
('/other1/inner/42/37/', 'urlobject-view', 'nodefault', 'other-ns1', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
# Nested namespaces
('/ns-included1/test3/inner/42/37/', 'urlobject-view', 'testapp', 'inc-ns1:test-ns3', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
('/ns-included1/ns-included4/ns-included2/test3/inner/42/37/', 'urlobject-view', 'testapp', 'inc-ns1:inc-ns4:inc-ns2:test-ns3', 'empty_view', tuple(), {'arg1': '42', 'arg2': '37'}),
)
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 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_nested_namespace_pattern(self):
"Namespaces can be nested"
self.assertEquals('/ns-included1/ns-included4/ns-included1/test3/inner/', reverse('inc-ns1:inc-ns4:inc-ns1:test-ns3:urlobject-view'))
self.assertEquals('/ns-included1/ns-included4/ns-included1/test3/inner/37/42/', reverse('inc-ns1:inc-ns4:inc-ns1:test-ns3:urlobject-view', args=[37,42]))
self.assertEquals('/ns-included1/ns-included4/ns-included1/test3/inner/42/37/', reverse('inc-ns1:inc-ns4: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):
from django.core.urlresolvers import RegexURLResolver
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/')
class ResolverMatchTests(TestCase):
urls = 'regressiontests.urlpatterns_reverse.namespace_urls'
def test_urlpattern_resolve(self):
for path, name, app_name, namespace, func, args, kwargs in resolve_test_data:
# Test legacy support for extracting "function, args, kwargs"
match_func, match_args, match_kwargs = resolve(path)
self.assertEqual(match_func, func)
self.assertEqual(match_args, args)
self.assertEqual(match_kwargs, kwargs)
# Test ResolverMatch capabilities.
match = resolve(path)
self.assertEqual(match.__class__, ResolverMatch)
self.assertEqual(match.url_name, name)
self.assertEqual(match.args, args)
self.assertEqual(match.kwargs, kwargs)
self.assertEqual(match.app_name, app_name)
self.assertEqual(match.namespace, namespace)
self.assertEqual(match.func, func)
# ... and for legacy purposes:
self.assertEquals(match[0], func)
self.assertEquals(match[1], args)
self.assertEquals(match[2], kwargs)
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