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django/tests/urlpatterns_reverse/tests.py

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"""
Unit tests for reverse URL lookups.
"""
import sys
import threading
from admin_scripts.tests import AdminScriptTestCase
from django.conf import settings
from django.contrib.auth.models import User
from django.core.exceptions import ImproperlyConfigured, ViewDoesNotExist
from django.http import (
HttpRequest, HttpResponsePermanentRedirect, HttpResponseRedirect,
)
from django.shortcuts import redirect
from django.test import SimpleTestCase, TestCase, override_settings
from django.test.utils import override_script_prefix
from django.urls import (
NoReverseMatch, Resolver404, ResolverMatch, URLPattern, URLResolver,
get_callable, get_resolver, get_urlconf, include, path, re_path, resolve,
reverse, reverse_lazy,
)
from django.urls.resolvers import RegexPattern
from . import middleware, urlconf_outer, views
from .utils import URLObject
from .views import empty_view
resolve_test_data = (
# These entries are in the format: (path, url_name, app_name, namespace, view_name, func, args, kwargs)
# Simple case
('/normal/42/37/', 'normal-view', '', '', 'normal-view', views.empty_view, (), {'arg1': '42', 'arg2': '37'}),
(
'/view_class/42/37/', 'view-class', '', '', 'view-class', views.view_class_instance, (),
{'arg1': '42', 'arg2': '37'}
),
(
'/included/normal/42/37/', 'inc-normal-view', 'included_namespace_urls',
'included_namespace_urls', 'included_namespace_urls:inc-normal-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/included/view_class/42/37/', 'inc-view-class', 'included_namespace_urls',
'included_namespace_urls', 'included_namespace_urls:inc-view-class',
views.view_class_instance, (), {'arg1': '42', 'arg2': '37'}
),
# Unnamed args are dropped if you have *any* kwargs in a pattern
('/mixed_args/42/37/', 'mixed-args', '', '', 'mixed-args', views.empty_view, (), {'arg2': '37'}),
(
'/included/mixed_args/42/37/', 'inc-mixed-args', 'included_namespace_urls',
'included_namespace_urls', 'included_namespace_urls:inc-mixed-args',
views.empty_view, (), {'arg2': '37'}
),
(
'/included/12/mixed_args/42/37/', 'inc-mixed-args', 'included_namespace_urls',
'included_namespace_urls', 'included_namespace_urls:inc-mixed-args',
views.empty_view, (), {'arg2': '37'}
),
# Unnamed views should have None as the url_name. Regression data for #21157.
(
'/unnamed/normal/42/37/', None, '', '', 'urlpatterns_reverse.views.empty_view', views.empty_view, (),
{'arg1': '42', 'arg2': '37'}
),
(
'/unnamed/view_class/42/37/', None, '', '', 'urlpatterns_reverse.views.ViewClass', views.view_class_instance,
(), {'arg1': '42', 'arg2': '37'}
),
# If you have no kwargs, you get an args list.
('/no_kwargs/42/37/', 'no-kwargs', '', '', 'no-kwargs', views.empty_view, ('42', '37'), {}),
(
'/included/no_kwargs/42/37/', 'inc-no-kwargs', 'included_namespace_urls',
'included_namespace_urls', 'included_namespace_urls:inc-no-kwargs',
views.empty_view, ('42', '37'), {}
),
(
'/included/12/no_kwargs/42/37/', 'inc-no-kwargs', 'included_namespace_urls',
'included_namespace_urls', 'included_namespace_urls:inc-no-kwargs',
views.empty_view, ('12', '42', '37'), {}
),
# Namespaces
(
'/test1/inner/42/37/', 'urlobject-view', 'testapp', 'test-ns1', 'test-ns1:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/included/test3/inner/42/37/', 'urlobject-view', 'included_namespace_urls:testapp',
'included_namespace_urls:test-ns3', 'included_namespace_urls:test-ns3:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/ns-included1/normal/42/37/', 'inc-normal-view', 'included_namespace_urls',
'inc-ns1', 'inc-ns1:inc-normal-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/included/test3/inner/42/37/', 'urlobject-view', 'included_namespace_urls:testapp',
'included_namespace_urls:test-ns3', 'included_namespace_urls:test-ns3:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/default/inner/42/37/', 'urlobject-view', 'testapp', 'testapp', 'testapp:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/other2/inner/42/37/', 'urlobject-view', 'nodefault', 'other-ns2', 'other-ns2:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/other1/inner/42/37/', 'urlobject-view', 'nodefault', 'other-ns1', 'other-ns1:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
# Nested namespaces
(
'/ns-included1/test3/inner/42/37/', 'urlobject-view', 'included_namespace_urls:testapp',
'inc-ns1:test-ns3', 'inc-ns1:test-ns3:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/ns-included1/ns-included4/ns-included2/test3/inner/42/37/', 'urlobject-view',
'included_namespace_urls:namespace_urls:included_namespace_urls:testapp',
'inc-ns1:inc-ns4:inc-ns2:test-ns3',
'inc-ns1:inc-ns4:inc-ns2:test-ns3:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/app-included/test3/inner/42/37/', 'urlobject-view', 'included_namespace_urls:testapp', 'inc-app:test-ns3',
'inc-app:test-ns3:urlobject-view', views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
(
'/app-included/ns-included4/ns-included2/test3/inner/42/37/', 'urlobject-view',
'included_namespace_urls:namespace_urls:included_namespace_urls:testapp',
'inc-app:inc-ns4:inc-ns2:test-ns3',
'inc-app:inc-ns4:inc-ns2:test-ns3:urlobject-view',
views.empty_view, (), {'arg1': '42', 'arg2': '37'}
),
# Namespaces capturing variables
(
'/inc70/', 'inner-nothing', 'included_urls', 'inc-ns5', 'inc-ns5:inner-nothing',
views.empty_view, (), {'outer': '70'}
),
(
'/inc78/extra/foobar/', 'inner-extra', 'included_urls', 'inc-ns5', 'inc-ns5:inner-extra',
views.empty_view, (), {'outer': '78', 'extra': 'foobar'}
),
)
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'], {}),
('people_backref', '/people/nate-nate/', ['nate'], {}),
('people_backref', '/people/nate-nate/', [], {'name': 'nate'}),
('optional', '/optional/fred/', [], {'name': 'fred'}),
('optional', '/optional/fred/', ['fred'], {}),
('named_optional', '/optional/1/', [1], {}),
('named_optional', '/optional/1/', [], {'arg1': 1}),
('named_optional', '/optional/1/2/', [1, 2], {}),
('named_optional', '/optional/1/2/', [], {'arg1': 1, 'arg2': 2}),
('named_optional_terminated', '/optional/1/2/', [1, 2], {}),
('named_optional_terminated', '/optional/1/2/', [], {'arg1': 1, 'arg2': 2}),
('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+($2.00)/', [], {'price': '2.00', 'product': 'chocolate'}),
('headlines', '/headlines/2007.5.21/', [], {'year': 2007, 'month': 5, 'day': 21}),
(
'windows', r'/windows_path/C:%5CDocuments%20and%20Settings%5Cspam/', [],
{'drive_name': 'C', 'path': r'Documents and Settings\spam'}
),
('special', r'/special_chars/~@+%5C$*%7C/', [r'~@+\$*|'], {}),
('special', r'/special_chars/some%20resource/', [r'some resource'], {}),
('special', r'/special_chars/10%25%20complete/', [r'10% complete'], {}),
('special', r'/special_chars/some%20resource/', [], {'chars': r'some resource'}),
('special', r'/special_chars/10%25%20complete/', [], {'chars': r'10% complete'}),
('special', NoReverseMatch, [''], {}),
('mixed', '/john/0/', [], {'name': 'john'}),
('repeats', '/repeats/a/', [], {}),
('repeats2', '/repeats/aa/', [], {}),
('repeats3', '/repeats/aa/', [], {}),
('test', '/test/1', [], {}),
('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'], {}),
('inner-no-kwargs', '/outer-no-kwargs/42/inner-no-kwargs/1/', ['42', '1'], {}),
('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'}),
# Tests for nested groups. Nested capturing groups will only work if you
# *only* supply the correct outer group.
('nested-noncapture', '/nested/noncapture/opt', [], {'p': 'opt'}),
('nested-capture', '/nested/capture/opt/', ['opt/'], {}),
('nested-capture', NoReverseMatch, [], {'p': 'opt'}),
('nested-mixedcapture', '/nested/capture/mixed/opt', ['opt'], {}),
('nested-mixedcapture', NoReverseMatch, [], {'p': 'opt'}),
('nested-namedcapture', '/nested/capture/named/opt/', [], {'outer': 'opt/'}),
('nested-namedcapture', NoReverseMatch, [], {'outer': 'opt/', 'inner': 'opt'}),
('nested-namedcapture', NoReverseMatch, [], {'inner': 'opt'}),
('non_path_include', '/includes/non_path_include/', [], {}),
# Tests for #13154
('defaults', '/defaults_view1/3/', [], {'arg1': 3, 'arg2': 1}),
('defaults', '/defaults_view2/3/', [], {'arg1': 3, 'arg2': 2}),
('defaults', NoReverseMatch, [], {'arg1': 3, 'arg2': 3}),
('defaults', NoReverseMatch, [], {'arg2': 1}),
# Security tests
('security', '/%2Fexample.com/security/', ['/example.com'], {}),
)
@override_settings(ROOT_URLCONF='urlpatterns_reverse.no_urls')
class NoURLPatternsTests(SimpleTestCase):
def test_no_urls_exception(self):
"""
URLResolver should raise an exception when no urlpatterns exist.
"""
resolver = URLResolver(RegexPattern(r'^$'), settings.ROOT_URLCONF)
with self.assertRaisesMessage(
ImproperlyConfigured,
"The included URLconf 'urlpatterns_reverse.no_urls' does not "
"appear to have any patterns in it. If you see valid patterns in "
"the file then the issue is probably caused by a circular import."
):
getattr(resolver, 'url_patterns')
@override_settings(ROOT_URLCONF='urlpatterns_reverse.urls')
class URLPatternReverse(SimpleTestCase):
def test_urlpattern_reverse(self):
for name, expected, args, kwargs in test_data:
with self.subTest(name=name, args=args, kwargs=kwargs):
try:
got = reverse(name, args=args, kwargs=kwargs)
except NoReverseMatch:
self.assertEqual(NoReverseMatch, expected)
else:
self.assertEqual(got, expected)
def test_reverse_none(self):
# Reversing None should raise an error, not return the last un-named view.
with self.assertRaises(NoReverseMatch):
reverse(None)
def test_mixing_args_and_kwargs(self):
msg = "Don't mix *args and **kwargs in call to reverse()!"
with self.assertRaisesMessage(ValueError, msg):
reverse('name', args=['a'], kwargs={'b': 'c'})
@override_script_prefix('/{{invalid}}/')
def test_prefix_braces(self):
self.assertEqual(
'/%7B%7Binvalid%7D%7D/includes/non_path_include/',
reverse('non_path_include')
)
def test_prefix_parenthesis(self):
# Parentheses are allowed and should not cause errors or be escaped
with override_script_prefix('/bogus)/'):
self.assertEqual(
'/bogus)/includes/non_path_include/',
reverse('non_path_include')
)
with override_script_prefix('/(bogus)/'):
self.assertEqual(
'/(bogus)/includes/non_path_include/',
reverse('non_path_include')
)
@override_script_prefix('/bump%20map/')
def test_prefix_format_char(self):
self.assertEqual(
'/bump%2520map/includes/non_path_include/',
reverse('non_path_include')
)
@override_script_prefix('/%7Eme/')
def test_non_urlsafe_prefix_with_args(self):
# Regression for #20022, adjusted for #24013 because ~ is an unreserved
# character. Tests whether % is escaped.
self.assertEqual('/%257Eme/places/1/', reverse('places', args=[1]))
def test_patterns_reported(self):
# Regression for #17076
with self.assertRaisesMessage(NoReverseMatch, r"1 pattern(s) tried: ['people/(?P<name>\\w+)/$']"):
# this url exists, but requires an argument
reverse("people", args=[])
@override_script_prefix('/script:name/')
def test_script_name_escaping(self):
self.assertEqual(
reverse('optional', args=['foo:bar']),
'/script:name/optional/foo:bar/'
)
def test_view_not_found_message(self):
msg = (
"Reverse for 'nonexistent-view' not found. 'nonexistent-view' "
"is not a valid view function or pattern name."
)
with self.assertRaisesMessage(NoReverseMatch, msg):
reverse('nonexistent-view')
def test_no_args_message(self):
msg = "Reverse for 'places' with no arguments not found. 1 pattern(s) tried:"
with self.assertRaisesMessage(NoReverseMatch, msg):
reverse('places')
def test_illegal_args_message(self):
msg = "Reverse for 'places' with arguments '(1, 2)' not found. 1 pattern(s) tried:"
with self.assertRaisesMessage(NoReverseMatch, msg):
reverse('places', args=(1, 2))
def test_illegal_kwargs_message(self):
msg = "Reverse for 'places' with keyword arguments '{'arg1': 2}' not found. 1 pattern(s) tried:"
with self.assertRaisesMessage(NoReverseMatch, msg):
reverse('places', kwargs={'arg1': 2})
class ResolverTests(SimpleTestCase):
def test_resolver_repr(self):
"""
Test repr of URLResolver, especially when urlconf_name is a list
(#17892).
"""
# Pick a resolver from a namespaced URLconf
resolver = get_resolver('urlpatterns_reverse.namespace_urls')
sub_resolver = resolver.namespace_dict['test-ns1'][1]
self.assertIn('<URLPattern list>', repr(sub_resolver))
def test_reverse_lazy_object_coercion_by_resolve(self):
"""
Verifies lazy object returned by reverse_lazy is coerced to
text by resolve(). Previous to #21043, this would raise a TypeError.
"""
urls = 'urlpatterns_reverse.named_urls'
proxy_url = reverse_lazy('named-url1', urlconf=urls)
resolver = get_resolver(urls)
resolver.resolve(proxy_url)
def test_resolver_reverse(self):
resolver = get_resolver('urlpatterns_reverse.named_urls')
test_urls = [
# (name, args, kwargs, expected)
('named-url1', (), {}, ''),
('named-url2', ('arg',), {}, 'extra/arg/'),
('named-url2', (), {'extra': 'arg'}, 'extra/arg/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(resolver.reverse(name, *args, **kwargs), expected)
def test_resolver_reverse_conflict(self):
"""
URL pattern name arguments don't need to be unique. The last registered
pattern takes precedence for conflicting names.
"""
resolver = get_resolver('urlpatterns_reverse.named_urls_conflict')
test_urls = [
# (name, args, kwargs, expected)
# Without arguments, the last URL in urlpatterns has precedence.
('name-conflict', (), {}, 'conflict/'),
# With an arg, the last URL in urlpatterns has precedence.
('name-conflict', ('arg',), {}, 'conflict-last/arg/'),
# With a kwarg, other URL patterns can be reversed.
('name-conflict', (), {'first': 'arg'}, 'conflict-first/arg/'),
('name-conflict', (), {'middle': 'arg'}, 'conflict-middle/arg/'),
('name-conflict', (), {'last': 'arg'}, 'conflict-last/arg/'),
# The number and order of the arguments don't interfere with reversing.
('name-conflict', ('arg', 'arg'), {}, 'conflict/arg/arg/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(resolver.reverse(name, *args, **kwargs), expected)
def test_non_regex(self):
"""
A Resolver404 is raised if resolving doesn't meet the basic
requirements of a path to match - i.e., at the very least, it matches
the root pattern '^/'. Never return None from resolve() to prevent a
TypeError from occurring later (#10834).
"""
test_urls = ['', 'a', '\\', '.']
for path_ in test_urls:
with self.subTest(path=path_):
with self.assertRaises(Resolver404):
resolve(path_)
def test_404_tried_urls_have_names(self):
"""
The list of URLs that come back from a Resolver404 exception contains
a list in the right format for printing out in the DEBUG 404 page with
both the patterns and URL names, if available.
"""
urls = 'urlpatterns_reverse.named_urls'
# this list matches the expected URL types and names returned when
# you try to resolve a nonexistent URL in the first level of included
# URLs in named_urls.py (e.g., '/included/nonexistent-url')
url_types_names = [
[{'type': URLPattern, 'name': 'named-url1'}],
[{'type': URLPattern, 'name': 'named-url2'}],
[{'type': URLPattern, 'name': None}],
[{'type': URLResolver}, {'type': URLPattern, 'name': 'named-url3'}],
[{'type': URLResolver}, {'type': URLPattern, 'name': 'named-url4'}],
[{'type': URLResolver}, {'type': URLPattern, 'name': None}],
[{'type': URLResolver}, {'type': URLResolver}],
]
with self.assertRaisesMessage(Resolver404, 'tried') as cm:
resolve('/included/nonexistent-url', urlconf=urls)
e = cm.exception
# make sure we at least matched the root ('/') url resolver:
self.assertIn('tried', e.args[0])
self.assertEqual(
len(e.args[0]['tried']),
len(url_types_names),
'Wrong number of tried URLs returned. Expected %s, got %s.' % (
len(url_types_names), len(e.args[0]['tried'])
)
)
for tried, expected in zip(e.args[0]['tried'], url_types_names):
for t, e in zip(tried, expected):
with self.subTest(t):
self.assertIsInstance(t, e['type']), '%s is not an instance of %s' % (t, e['type'])
if 'name' in e:
if not e['name']:
self.assertIsNone(t.name, 'Expected no URL name but found %s.' % t.name)
else:
self.assertEqual(
t.name,
e['name'],
'Wrong URL name. Expected "%s", got "%s".' % (e['name'], t.name)
)
def test_namespaced_view_detail(self):
resolver = get_resolver('urlpatterns_reverse.nested_urls')
self.assertTrue(resolver._is_callback('urlpatterns_reverse.nested_urls.view1'))
self.assertTrue(resolver._is_callback('urlpatterns_reverse.nested_urls.view2'))
self.assertTrue(resolver._is_callback('urlpatterns_reverse.nested_urls.View3'))
self.assertFalse(resolver._is_callback('urlpatterns_reverse.nested_urls.blub'))
def test_view_detail_as_method(self):
# Views which have a class name as part of their path.
resolver = get_resolver('urlpatterns_reverse.method_view_urls')
self.assertTrue(resolver._is_callback('urlpatterns_reverse.method_view_urls.ViewContainer.method_view'))
self.assertTrue(resolver._is_callback('urlpatterns_reverse.method_view_urls.ViewContainer.classmethod_view'))
def test_populate_concurrency(self):
"""
URLResolver._populate() can be called concurrently, but not more
than once per thread (#26888).
"""
resolver = URLResolver(RegexPattern(r'^/'), 'urlpatterns_reverse.urls')
resolver._local.populating = True
thread = threading.Thread(target=resolver._populate)
thread.start()
thread.join()
self.assertNotEqual(resolver._reverse_dict, {})
@override_settings(ROOT_URLCONF='urlpatterns_reverse.reverse_lazy_urls')
class ReverseLazyTest(TestCase):
def test_redirect_with_lazy_reverse(self):
response = self.client.get('/redirect/')
self.assertRedirects(response, "/redirected_to/", status_code=302)
def test_user_permission_with_lazy_reverse(self):
alfred = User.objects.create_user('alfred', 'alfred@example.com', password='testpw')
response = self.client.get('/login_required_view/')
self.assertRedirects(response, "/login/?next=/login_required_view/", status_code=302)
self.client.force_login(alfred)
response = self.client.get('/login_required_view/')
self.assertEqual(response.status_code, 200)
def test_inserting_reverse_lazy_into_string(self):
self.assertEqual(
'Some URL: %s' % reverse_lazy('some-login-page'),
'Some URL: /login/'
)
class ReverseLazySettingsTest(AdminScriptTestCase):
"""
reverse_lazy can be used in settings without causing a circular
import error.
"""
def setUp(self):
super().setUp()
self.write_settings(
'settings.py',
extra="from django.urls import reverse_lazy\nLOGIN_URL = reverse_lazy('login')",
)
def test_lazy_in_settings(self):
out, err = self.run_manage(['check'])
self.assertNoOutput(err)
@override_settings(ROOT_URLCONF='urlpatterns_reverse.urls')
class ReverseShortcutTests(SimpleTestCase):
def test_redirect_to_object(self):
# We don't really need a model; just something with a get_absolute_url
class FakeObj:
def get_absolute_url(self):
return "/hi-there/"
res = redirect(FakeObj())
self.assertIsInstance(res, HttpResponseRedirect)
self.assertEqual(res.url, '/hi-there/')
res = redirect(FakeObj(), permanent=True)
self.assertIsInstance(res, HttpResponsePermanentRedirect)
self.assertEqual(res.url, '/hi-there/')
def test_redirect_to_view_name(self):
res = redirect('hardcoded2')
self.assertEqual(res.url, '/hardcoded/doc.pdf')
res = redirect('places', 1)
self.assertEqual(res.url, '/places/1/')
res = redirect('headlines', year='2008', month='02', day='17')
self.assertEqual(res.url, '/headlines/2008.02.17/')
with self.assertRaises(NoReverseMatch):
redirect('not-a-view')
def test_redirect_to_url(self):
res = redirect('/foo/')
self.assertEqual(res.url, '/foo/')
res = redirect('http://example.com/')
self.assertEqual(res.url, 'http://example.com/')
# Assert that we can redirect using UTF-8 strings
res = redirect('/æøå/abc/')
self.assertEqual(res.url, '/%C3%A6%C3%B8%C3%A5/abc/')
# Assert that no imports are attempted when dealing with a relative path
# (previously, the below would resolve in a UnicodeEncodeError from __import__ )
res = redirect('/æøå.abc/')
self.assertEqual(res.url, '/%C3%A6%C3%B8%C3%A5.abc/')
res = redirect('os.path')
self.assertEqual(res.url, 'os.path')
def test_no_illegal_imports(self):
# modules that are not listed in urlpatterns should not be importable
redirect("urlpatterns_reverse.nonimported_module.view")
self.assertNotIn("urlpatterns_reverse.nonimported_module", sys.modules)
def test_reverse_by_path_nested(self):
# Views added to urlpatterns using include() should be reversible.
from .views import nested_view
self.assertEqual(reverse(nested_view), '/includes/nested_path/')
def test_redirect_view_object(self):
from .views import absolute_kwargs_view
res = redirect(absolute_kwargs_view)
self.assertEqual(res.url, '/absolute_arg_view/')
with self.assertRaises(NoReverseMatch):
redirect(absolute_kwargs_view, wrong_argument=None)
@override_settings(ROOT_URLCONF='urlpatterns_reverse.namespace_urls')
class NamespaceTests(SimpleTestCase):
def test_ambiguous_object(self):
"""
Names deployed via dynamic URL objects that require namespaces can't
be resolved.
"""
test_urls = [
('urlobject-view', [], {}),
('urlobject-view', [37, 42], {}),
('urlobject-view', [], {'arg1': 42, 'arg2': 37}),
]
for name, args, kwargs in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
with self.assertRaises(NoReverseMatch):
reverse(name, args=args, kwargs=kwargs)
def test_ambiguous_urlpattern(self):
"""
Names deployed via dynamic URL objects that require namespaces can't
be resolved.
"""
test_urls = [
('inner-nothing', [], {}),
('inner-nothing', [37, 42], {}),
('inner-nothing', [], {'arg1': 42, 'arg2': 37}),
]
for name, args, kwargs in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
with self.assertRaises(NoReverseMatch):
reverse(name, args=args, kwargs=kwargs)
def test_non_existent_namespace(self):
"""Nonexistent namespaces raise errors."""
test_urls = [
'blahblah:urlobject-view',
'test-ns1:blahblah:urlobject-view',
]
for name in test_urls:
with self.subTest(name=name):
with self.assertRaises(NoReverseMatch):
reverse(name)
def test_normal_name(self):
"""Normal lookups work as expected."""
test_urls = [
('normal-view', [], {}, '/normal/'),
('normal-view', [37, 42], {}, '/normal/37/42/'),
('normal-view', [], {'arg1': 42, 'arg2': 37}, '/normal/42/37/'),
('special-view', [], {}, '/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_simple_included_name(self):
"""Normal lookups work on names included from other patterns."""
test_urls = [
('included_namespace_urls:inc-normal-view', [], {}, '/included/normal/'),
('included_namespace_urls:inc-normal-view', [37, 42], {}, '/included/normal/37/42/'),
('included_namespace_urls:inc-normal-view', [], {'arg1': 42, 'arg2': 37}, '/included/normal/42/37/'),
('included_namespace_urls:inc-special-view', [], {}, '/included/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_namespace_object(self):
"""Dynamic URL objects can be found using a namespace."""
test_urls = [
('test-ns1:urlobject-view', [], {}, '/test1/inner/'),
('test-ns1:urlobject-view', [37, 42], {}, '/test1/inner/37/42/'),
('test-ns1:urlobject-view', [], {'arg1': 42, 'arg2': 37}, '/test1/inner/42/37/'),
('test-ns1:urlobject-special-view', [], {}, '/test1/inner/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_app_object(self):
"""
Dynamic URL objects can return a (pattern, app_name) 2-tuple, and
include() can set the namespace.
"""
test_urls = [
('new-ns1:urlobject-view', [], {}, '/newapp1/inner/'),
('new-ns1:urlobject-view', [37, 42], {}, '/newapp1/inner/37/42/'),
('new-ns1:urlobject-view', [], {'arg1': 42, 'arg2': 37}, '/newapp1/inner/42/37/'),
('new-ns1:urlobject-special-view', [], {}, '/newapp1/inner/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_app_object_default_namespace(self):
"""
Namespace defaults to app_name when including a (pattern, app_name)
2-tuple.
"""
test_urls = [
('newapp:urlobject-view', [], {}, '/new-default/inner/'),
('newapp:urlobject-view', [37, 42], {}, '/new-default/inner/37/42/'),
('newapp:urlobject-view', [], {'arg1': 42, 'arg2': 37}, '/new-default/inner/42/37/'),
('newapp:urlobject-special-view', [], {}, '/new-default/inner/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_embedded_namespace_object(self):
"""Namespaces can be installed anywhere in the URL pattern tree."""
test_urls = [
('included_namespace_urls:test-ns3:urlobject-view', [], {}, '/included/test3/inner/'),
('included_namespace_urls:test-ns3:urlobject-view', [37, 42], {}, '/included/test3/inner/37/42/'),
(
'included_namespace_urls:test-ns3:urlobject-view', [], {'arg1': 42, 'arg2': 37},
'/included/test3/inner/42/37/',
),
('included_namespace_urls:test-ns3:urlobject-special-view', [], {}, '/included/test3/inner/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_namespace_pattern(self):
"""Namespaces can be applied to include()'d urlpatterns."""
test_urls = [
('inc-ns1:inc-normal-view', [], {}, '/ns-included1/normal/'),
('inc-ns1:inc-normal-view', [37, 42], {}, '/ns-included1/normal/37/42/'),
('inc-ns1:inc-normal-view', [], {'arg1': 42, 'arg2': 37}, '/ns-included1/normal/42/37/'),
('inc-ns1:inc-special-view', [], {}, '/ns-included1/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_app_name_pattern(self):
"""
Namespaces can be applied to include()'d urlpatterns that set an
app_name attribute.
"""
test_urls = [
('app-ns1:inc-normal-view', [], {}, '/app-included1/normal/'),
('app-ns1:inc-normal-view', [37, 42], {}, '/app-included1/normal/37/42/'),
('app-ns1:inc-normal-view', [], {'arg1': 42, 'arg2': 37}, '/app-included1/normal/42/37/'),
('app-ns1:inc-special-view', [], {}, '/app-included1/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_namespace_pattern_with_variable_prefix(self):
"""
Using include() with namespaces when there is a regex variable in front
of it.
"""
test_urls = [
('inc-outer:inc-normal-view', [], {'outer': 42}, '/ns-outer/42/normal/'),
('inc-outer:inc-normal-view', [42], {}, '/ns-outer/42/normal/'),
('inc-outer:inc-normal-view', [], {'arg1': 37, 'arg2': 4, 'outer': 42}, '/ns-outer/42/normal/37/4/'),
('inc-outer:inc-normal-view', [42, 37, 4], {}, '/ns-outer/42/normal/37/4/'),
('inc-outer:inc-special-view', [], {'outer': 42}, '/ns-outer/42/+%5C$*/'),
('inc-outer:inc-special-view', [42], {}, '/ns-outer/42/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_multiple_namespace_pattern(self):
"""Namespaces can be embedded."""
test_urls = [
('inc-ns1:test-ns3:urlobject-view', [], {}, '/ns-included1/test3/inner/'),
('inc-ns1:test-ns3:urlobject-view', [37, 42], {}, '/ns-included1/test3/inner/37/42/'),
(
'inc-ns1:test-ns3:urlobject-view', [], {'arg1': 42, 'arg2': 37},
'/ns-included1/test3/inner/42/37/',
),
('inc-ns1:test-ns3:urlobject-special-view', [], {}, '/ns-included1/test3/inner/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_nested_namespace_pattern(self):
"""Namespaces can be nested."""
test_urls = [
(
'inc-ns1:inc-ns4:inc-ns1:test-ns3:urlobject-view', [], {},
'/ns-included1/ns-included4/ns-included1/test3/inner/',
),
(
'inc-ns1:inc-ns4:inc-ns1:test-ns3:urlobject-view', [37, 42], {},
'/ns-included1/ns-included4/ns-included1/test3/inner/37/42/',
),
(
'inc-ns1:inc-ns4:inc-ns1:test-ns3:urlobject-view', [], {'arg1': 42, 'arg2': 37},
'/ns-included1/ns-included4/ns-included1/test3/inner/42/37/',
),
(
'inc-ns1:inc-ns4:inc-ns1:test-ns3:urlobject-special-view', [], {},
'/ns-included1/ns-included4/ns-included1/test3/inner/+%5C$*/',
),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_app_lookup_object(self):
"""A default application namespace can be used for lookup."""
test_urls = [
('testapp:urlobject-view', [], {}, '/default/inner/'),
('testapp:urlobject-view', [37, 42], {}, '/default/inner/37/42/'),
('testapp:urlobject-view', [], {'arg1': 42, 'arg2': 37}, '/default/inner/42/37/'),
('testapp:urlobject-special-view', [], {}, '/default/inner/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_app_lookup_object_with_default(self):
"""A default application namespace is sensitive to the current app."""
test_urls = [
('testapp:urlobject-view', [], {}, 'test-ns3', '/default/inner/'),
('testapp:urlobject-view', [37, 42], {}, 'test-ns3', '/default/inner/37/42/'),
('testapp:urlobject-view', [], {'arg1': 42, 'arg2': 37}, 'test-ns3', '/default/inner/42/37/'),
('testapp:urlobject-special-view', [], {}, 'test-ns3', '/default/inner/+%5C$*/'),
]
for name, args, kwargs, current_app, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs, current_app=current_app):
self.assertEqual(reverse(name, args=args, kwargs=kwargs, current_app=current_app), expected)
def test_app_lookup_object_without_default(self):
"""
An application namespace without a default is sensitive to the current
app.
"""
test_urls = [
('nodefault:urlobject-view', [], {}, None, '/other2/inner/'),
('nodefault:urlobject-view', [37, 42], {}, None, '/other2/inner/37/42/'),
('nodefault:urlobject-view', [], {'arg1': 42, 'arg2': 37}, None, '/other2/inner/42/37/'),
('nodefault:urlobject-special-view', [], {}, None, '/other2/inner/+%5C$*/'),
('nodefault:urlobject-view', [], {}, 'other-ns1', '/other1/inner/'),
('nodefault:urlobject-view', [37, 42], {}, 'other-ns1', '/other1/inner/37/42/'),
('nodefault:urlobject-view', [], {'arg1': 42, 'arg2': 37}, 'other-ns1', '/other1/inner/42/37/'),
('nodefault:urlobject-special-view', [], {}, 'other-ns1', '/other1/inner/+%5C$*/'),
]
for name, args, kwargs, current_app, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs, current_app=current_app):
self.assertEqual(reverse(name, args=args, kwargs=kwargs, current_app=current_app), expected)
def test_special_chars_namespace(self):
test_urls = [
('special:included_namespace_urls:inc-normal-view', [], {}, '/+%5C$*/included/normal/'),
('special:included_namespace_urls:inc-normal-view', [37, 42], {}, '/+%5C$*/included/normal/37/42/'),
(
'special:included_namespace_urls:inc-normal-view', [], {'arg1': 42, 'arg2': 37},
'/+%5C$*/included/normal/42/37/',
),
('special:included_namespace_urls:inc-special-view', [], {}, '/+%5C$*/included/+%5C$*/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_namespaces_with_variables(self):
"""Namespace prefixes can capture variables."""
test_urls = [
('inc-ns5:inner-nothing', [], {'outer': '70'}, '/inc70/'),
('inc-ns5:inner-extra', [], {'extra': 'foobar', 'outer': '78'}, '/inc78/extra/foobar/'),
('inc-ns5:inner-nothing', ['70'], {}, '/inc70/'),
('inc-ns5:inner-extra', ['78', 'foobar'], {}, '/inc78/extra/foobar/'),
]
for name, args, kwargs, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs):
self.assertEqual(reverse(name, args=args, kwargs=kwargs), expected)
def test_nested_app_lookup(self):
"""
A nested current_app should be split in individual namespaces (#24904).
"""
test_urls = [
('inc-ns1:testapp:urlobject-view', [], {}, None, '/ns-included1/test4/inner/'),
('inc-ns1:testapp:urlobject-view', [37, 42], {}, None, '/ns-included1/test4/inner/37/42/'),
('inc-ns1:testapp:urlobject-view', [], {'arg1': 42, 'arg2': 37}, None, '/ns-included1/test4/inner/42/37/'),
('inc-ns1:testapp:urlobject-special-view', [], {}, None, '/ns-included1/test4/inner/+%5C$*/'),
('inc-ns1:testapp:urlobject-view', [], {}, 'inc-ns1:test-ns3', '/ns-included1/test3/inner/'),
('inc-ns1:testapp:urlobject-view', [37, 42], {}, 'inc-ns1:test-ns3', '/ns-included1/test3/inner/37/42/'),
(
'inc-ns1:testapp:urlobject-view', [], {'arg1': 42, 'arg2': 37}, 'inc-ns1:test-ns3',
'/ns-included1/test3/inner/42/37/',
),
(
'inc-ns1:testapp:urlobject-special-view', [], {}, 'inc-ns1:test-ns3',
'/ns-included1/test3/inner/+%5C$*/',
),
]
for name, args, kwargs, current_app, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs, current_app=current_app):
self.assertEqual(reverse(name, args=args, kwargs=kwargs, current_app=current_app), expected)
def test_current_app_no_partial_match(self):
"""current_app shouldn't be used unless it matches the whole path."""
test_urls = [
('inc-ns1:testapp:urlobject-view', [], {}, 'nonexistent:test-ns3', '/ns-included1/test4/inner/'),
(
'inc-ns1:testapp:urlobject-view', [37, 42], {}, 'nonexistent:test-ns3',
'/ns-included1/test4/inner/37/42/',
),
(
'inc-ns1:testapp:urlobject-view', [], {'arg1': 42, 'arg2': 37}, 'nonexistent:test-ns3',
'/ns-included1/test4/inner/42/37/',
),
(
'inc-ns1:testapp:urlobject-special-view', [], {}, 'nonexistent:test-ns3',
'/ns-included1/test4/inner/+%5C$*/',
),
]
for name, args, kwargs, current_app, expected in test_urls:
with self.subTest(name=name, args=args, kwargs=kwargs, current_app=current_app):
self.assertEqual(reverse(name, args=args, kwargs=kwargs, current_app=current_app), expected)
@override_settings(ROOT_URLCONF=urlconf_outer.__name__)
class RequestURLconfTests(SimpleTestCase):
def test_urlconf(self):
response = self.client.get('/test/me/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'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)
@override_settings(
MIDDLEWARE=[
'%s.ChangeURLconfMiddleware' % middleware.__name__,
]
)
def test_urlconf_overridden(self):
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, b'outer:,inner:/second_test/')
@override_settings(
MIDDLEWARE=[
'%s.NullChangeURLconfMiddleware' % middleware.__name__,
]
)
def test_urlconf_overridden_with_null(self):
"""
Overriding request.urlconf with None will fall back to the default
URLconf.
"""
response = self.client.get('/test/me/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'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)
@override_settings(
MIDDLEWARE=[
'%s.ChangeURLconfMiddleware' % middleware.__name__,
'%s.ReverseInnerInResponseMiddleware' % middleware.__name__,
]
)
def test_reverse_inner_in_response_middleware(self):
"""
Test reversing an URL from the *overridden* URLconf from inside
a response middleware.
"""
response = self.client.get('/second_test/')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'/second_test/')
@override_settings(
MIDDLEWARE=[
'%s.ChangeURLconfMiddleware' % middleware.__name__,
'%s.ReverseOuterInResponseMiddleware' % middleware.__name__,
]
)
def test_reverse_outer_in_response_middleware(self):
"""
Test reversing an URL from the *default* URLconf from inside
a response middleware.
"""
msg = (
"Reverse for 'outer' not found. 'outer' is not a valid view "
"function or pattern name."
)
with self.assertRaisesMessage(NoReverseMatch, msg):
self.client.get('/second_test/')
@override_settings(
MIDDLEWARE=[
'%s.ChangeURLconfMiddleware' % middleware.__name__,
'%s.ReverseInnerInStreaming' % middleware.__name__,
]
)
def test_reverse_inner_in_streaming(self):
"""
Test reversing an URL from the *overridden* URLconf from inside
a streaming response.
"""
response = self.client.get('/second_test/')
self.assertEqual(response.status_code, 200)
self.assertEqual(b''.join(response), b'/second_test/')
@override_settings(
MIDDLEWARE=[
'%s.ChangeURLconfMiddleware' % middleware.__name__,
'%s.ReverseOuterInStreaming' % middleware.__name__,
]
)
def test_reverse_outer_in_streaming(self):
"""
Test reversing an URL from the *default* URLconf from inside
a streaming response.
"""
message = "Reverse for 'outer' not found."
with self.assertRaisesMessage(NoReverseMatch, message):
self.client.get('/second_test/')
b''.join(self.client.get('/second_test/'))
def test_urlconf_is_reset_after_request(self):
"""The URLconf is reset after each request."""
self.assertIsNone(get_urlconf())
with override_settings(MIDDLEWARE=['%s.ChangeURLconfMiddleware' % middleware.__name__]):
self.client.get(reverse('inner'))
self.assertIsNone(get_urlconf())
class ErrorHandlerResolutionTests(SimpleTestCase):
"""Tests for handler400, handler404 and handler500"""
def setUp(self):
urlconf = 'urlpatterns_reverse.urls_error_handlers'
urlconf_callables = 'urlpatterns_reverse.urls_error_handlers_callables'
self.resolver = URLResolver(RegexPattern(r'^$'), urlconf)
self.callable_resolver = URLResolver(RegexPattern(r'^$'), urlconf_callables)
def test_named_handlers(self):
handler = (empty_view, {})
for code in [400, 404, 500]:
with self.subTest(code=code):
self.assertEqual(self.resolver.resolve_error_handler(code), handler)
def test_callable_handlers(self):
handler = (empty_view, {})
for code in [400, 404, 500]:
with self.subTest(code=code):
self.assertEqual(self.callable_resolver.resolve_error_handler(code), handler)
@override_settings(ROOT_URLCONF='urlpatterns_reverse.urls_without_handlers')
class DefaultErrorHandlerTests(SimpleTestCase):
def test_default_handler(self):
"If the urls.py doesn't specify handlers, the defaults are used"
response = self.client.get('/test/')
self.assertEqual(response.status_code, 404)
msg = "I don't think I'm getting good value for this view"
with self.assertRaisesMessage(ValueError, msg):
self.client.get('/bad_view/')
@override_settings(ROOT_URLCONF=None)
class NoRootUrlConfTests(SimpleTestCase):
"""Tests for handler404 and handler500 if ROOT_URLCONF is None"""
def test_no_handler_exception(self):
msg = (
"The included URLconf 'None' does not appear to have any patterns "
"in it. If you see valid patterns in the file then the issue is "
"probably caused by a circular import."
)
with self.assertRaisesMessage(ImproperlyConfigured, msg):
self.client.get('/test/me/')
@override_settings(ROOT_URLCONF='urlpatterns_reverse.namespace_urls')
class ResolverMatchTests(SimpleTestCase):
def test_urlpattern_resolve(self):
for path_, url_name, app_name, namespace, view_name, func, args, kwargs in resolve_test_data:
with self.subTest(path=path_):
# 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)
# ResolverMatch capabilities.
match = resolve(path_)
self.assertEqual(match.__class__, ResolverMatch)
self.assertEqual(match.url_name, url_name)
self.assertEqual(match.app_name, app_name)
self.assertEqual(match.namespace, namespace)
self.assertEqual(match.view_name, view_name)
self.assertEqual(match.func, func)
self.assertEqual(match.args, args)
self.assertEqual(match.kwargs, kwargs)
# and for legacy purposes:
self.assertEqual(match[0], func)
self.assertEqual(match[1], args)
self.assertEqual(match[2], kwargs)
def test_resolver_match_on_request(self):
response = self.client.get('/resolver_match/')
resolver_match = response.resolver_match
self.assertEqual(resolver_match.url_name, 'test-resolver-match')
def test_resolver_match_on_request_before_resolution(self):
request = HttpRequest()
self.assertIsNone(request.resolver_match)
def test_repr(self):
self.assertEqual(
repr(resolve('/no_kwargs/42/37/')),
"ResolverMatch(func=urlpatterns_reverse.views.empty_view, "
"args=('42', '37'), kwargs={}, url_name=no-kwargs, app_names=[], "
"namespaces=[], route=^no_kwargs/([0-9]+)/([0-9]+)/$)",
)
@override_settings(ROOT_URLCONF='urlpatterns_reverse.erroneous_urls')
class ErroneousViewTests(SimpleTestCase):
def test_noncallable_view(self):
# View is not a callable (explicit import; arbitrary Python object)
with self.assertRaisesMessage(TypeError, 'view must be a callable'):
path('uncallable-object/', views.uncallable)
def test_invalid_regex(self):
# Regex contains an error (refs #6170)
msg = '(regex_error/$" is not a valid regular expression'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
reverse(views.empty_view)
class ViewLoadingTests(SimpleTestCase):
def test_view_loading(self):
self.assertEqual(get_callable('urlpatterns_reverse.views.empty_view'), empty_view)
self.assertEqual(get_callable(empty_view), empty_view)
def test_view_does_not_exist(self):
msg = "View does not exist in module urlpatterns_reverse.views."
with self.assertRaisesMessage(ViewDoesNotExist, msg):
get_callable('urlpatterns_reverse.views.i_should_not_exist')
def test_attributeerror_not_hidden(self):
msg = 'I am here to confuse django.urls.get_callable'
with self.assertRaisesMessage(AttributeError, msg):
get_callable('urlpatterns_reverse.views_broken.i_am_broken')
def test_non_string_value(self):
msg = "'1' is not a callable or a dot-notation path"
with self.assertRaisesMessage(ViewDoesNotExist, msg):
get_callable(1)
def test_string_without_dot(self):
msg = "Could not import 'test'. The path must be fully qualified."
with self.assertRaisesMessage(ImportError, msg):
get_callable('test')
def test_module_does_not_exist(self):
with self.assertRaisesMessage(ImportError, "No module named 'foo'"):
get_callable('foo.bar')
def test_parent_module_does_not_exist(self):
msg = 'Parent module urlpatterns_reverse.foo does not exist.'
with self.assertRaisesMessage(ViewDoesNotExist, msg):
get_callable('urlpatterns_reverse.foo.bar')
def test_not_callable(self):
msg = (
"Could not import 'urlpatterns_reverse.tests.resolve_test_data'. "
"View is not callable."
)
with self.assertRaisesMessage(ViewDoesNotExist, msg):
get_callable('urlpatterns_reverse.tests.resolve_test_data')
class IncludeTests(SimpleTestCase):
url_patterns = [
path('inner/', views.empty_view, name='urlobject-view'),
re_path(r'^inner/(?P<arg1>[0-9]+)/(?P<arg2>[0-9]+)/$', views.empty_view, name='urlobject-view'),
re_path(r'^inner/\+\\\$\*/$', views.empty_view, name='urlobject-special-view'),
]
app_urls = URLObject('inc-app')
def test_include_urls(self):
self.assertEqual(include(self.url_patterns), (self.url_patterns, None, None))
def test_include_namespace(self):
msg = (
'Specifying a namespace in include() without providing an '
'app_name is not supported.'
)
with self.assertRaisesMessage(ImproperlyConfigured, msg):
include(self.url_patterns, 'namespace')
def test_include_4_tuple(self):
msg = 'Passing a 4-tuple to include() is not supported.'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
include((self.url_patterns, 'app_name', 'namespace', 'blah'))
def test_include_3_tuple(self):
msg = 'Passing a 3-tuple to include() is not supported.'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
include((self.url_patterns, 'app_name', 'namespace'))
def test_include_3_tuple_namespace(self):
msg = 'Cannot override the namespace for a dynamic module that provides a namespace.'
with self.assertRaisesMessage(ImproperlyConfigured, msg):
include((self.url_patterns, 'app_name', 'namespace'), 'namespace')
def test_include_2_tuple(self):
self.assertEqual(
include((self.url_patterns, 'app_name')),
(self.url_patterns, 'app_name', 'app_name')
)
def test_include_2_tuple_namespace(self):
self.assertEqual(
include((self.url_patterns, 'app_name'), namespace='namespace'),
(self.url_patterns, 'app_name', 'namespace')
)
def test_include_app_name(self):
self.assertEqual(
include(self.app_urls),
(self.app_urls, 'inc-app', 'inc-app')
)
def test_include_app_name_namespace(self):
self.assertEqual(
include(self.app_urls, 'namespace'),
(self.app_urls, 'inc-app', 'namespace')
)
@override_settings(ROOT_URLCONF='urlpatterns_reverse.urls')
class LookaheadTests(SimpleTestCase):
def test_valid_resolve(self):
test_urls = [
'/lookahead-/a-city/',
'/lookbehind-/a-city/',
'/lookahead+/a-city/',
'/lookbehind+/a-city/',
]
for test_url in test_urls:
with self.subTest(url=test_url):
self.assertEqual(resolve(test_url).kwargs, {'city': 'a-city'})
def test_invalid_resolve(self):
test_urls = [
'/lookahead-/not-a-city/',
'/lookbehind-/not-a-city/',
'/lookahead+/other-city/',
'/lookbehind+/other-city/',
]
for test_url in test_urls:
with self.subTest(url=test_url):
with self.assertRaises(Resolver404):
resolve(test_url)
def test_valid_reverse(self):
test_urls = [
('lookahead-positive', {'city': 'a-city'}, '/lookahead+/a-city/'),
('lookahead-negative', {'city': 'a-city'}, '/lookahead-/a-city/'),
('lookbehind-positive', {'city': 'a-city'}, '/lookbehind+/a-city/'),
('lookbehind-negative', {'city': 'a-city'}, '/lookbehind-/a-city/'),
]
for name, kwargs, expected in test_urls:
with self.subTest(name=name, kwargs=kwargs):
self.assertEqual(reverse(name, kwargs=kwargs), expected)
def test_invalid_reverse(self):
test_urls = [
('lookahead-positive', {'city': 'other-city'}),
('lookahead-negative', {'city': 'not-a-city'}),
('lookbehind-positive', {'city': 'other-city'}),
('lookbehind-negative', {'city': 'not-a-city'}),
]
for name, kwargs in test_urls:
with self.subTest(name=name, kwargs=kwargs):
with self.assertRaises(NoReverseMatch):
reverse(name, kwargs=kwargs)
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