/usr/lib/python2.7/dist-packages/guardian/testapp/tests/decorators_test.py is in python-django-guardian 1.2.4+git20141127-0.2.
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from django.conf import settings
from django.contrib.auth.models import Group, AnonymousUser
from django.core.exceptions import PermissionDenied
from django.db.models.base import ModelBase
from django.http import HttpRequest
from django.http import HttpResponse
from django.http import HttpResponseForbidden
from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404
from django.template import TemplateDoesNotExist
from django.test import TestCase
from guardian.compat import get_user_model
from guardian.compat import get_user_model_path
from guardian.compat import get_user_permission_full_codename
from guardian.compat import mock
from guardian.decorators import permission_required, permission_required_or_403
from guardian.exceptions import GuardianError
from guardian.exceptions import WrongAppError
from guardian.shortcuts import assign_perm
from guardian.testapp.tests.conf import TEST_SETTINGS
from guardian.testapp.tests.conf import TestDataMixin
from guardian.testapp.tests.conf import override_settings
from guardian.testapp.tests.conf import skipUnlessTestApp
from django.core.urlresolvers import reverse
from django import get_version as django_get_version
User = get_user_model()
user_model_path = get_user_model_path()
@override_settings(**TEST_SETTINGS)
@skipUnlessTestApp
class PermissionRequiredTest(TestDataMixin, TestCase):
def setUp(self):
super(PermissionRequiredTest, self).setUp()
self.anon = AnonymousUser()
self.user = User.objects.get_or_create(username='jack')[0]
self.group = Group.objects.get_or_create(name='jackGroup')[0]
def _get_request(self, user=None):
if user is None:
user = AnonymousUser()
request = HttpRequest()
request.user = user
return request
def test_no_args(self):
try:
@permission_required
def dummy_view(request):
return HttpResponse('dummy_view')
except GuardianError:
pass
else:
self.fail("Trying to decorate using permission_required without "
"permission as first argument should raise exception")
def test_RENDER_403_is_false(self):
request = self._get_request(self.anon)
@permission_required_or_403('not_installed_app.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
with mock.patch('guardian.conf.settings.RENDER_403', False):
response = dummy_view(request)
self.assertEqual(response.content, b'')
self.assertTrue(isinstance(response, HttpResponseForbidden))
@mock.patch('guardian.conf.settings.RENDER_403', True)
def test_TEMPLATE_403_setting(self):
request = self._get_request(self.anon)
@permission_required_or_403('not_installed_app.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
with mock.patch('guardian.conf.settings.TEMPLATE_403', 'dummy403.html'):
response = dummy_view(request)
self.assertEqual(response.content, b'foobar403\n')
@mock.patch('guardian.conf.settings.RENDER_403', True)
def test_403_response_is_empty_if_template_cannot_be_found(self):
request = self._get_request(self.anon)
@permission_required_or_403('not_installed_app.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
with mock.patch('guardian.conf.settings.TEMPLATE_403',
'_non-exisitng-403.html'):
response = dummy_view(request)
self.assertEqual(response.status_code, 403)
self.assertEqual(response.content, b'')
@mock.patch('guardian.conf.settings.RENDER_403', True)
def test_403_response_raises_error_if_debug_is_turned_on(self):
org_DEBUG = settings.DEBUG
settings.DEBUG = True
request = self._get_request(self.anon)
@permission_required_or_403('not_installed_app.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
with mock.patch('guardian.conf.settings.TEMPLATE_403',
'_non-exisitng-403.html'):
self.assertRaises(TemplateDoesNotExist, dummy_view, request)
settings.DEBUG = org_DEBUG
@mock.patch('guardian.conf.settings.RENDER_403', False)
@mock.patch('guardian.conf.settings.RAISE_403', True)
def test_RAISE_403_setting_is_true(self):
request = self._get_request(self.anon)
@permission_required_or_403('not_installed_app.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
self.assertRaises(PermissionDenied, dummy_view, request)
def test_anonymous_user_wrong_app(self):
request = self._get_request(self.anon)
@permission_required_or_403('not_installed_app.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
self.assertEqual(dummy_view(request).status_code, 403)
def test_anonymous_user_wrong_codename(self):
request = self._get_request()
@permission_required_or_403('auth.wrong_codename')
def dummy_view(request):
return HttpResponse('dummy_view')
self.assertEqual(dummy_view(request).status_code, 403)
def test_anonymous_user(self):
request = self._get_request()
@permission_required_or_403('auth.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
self.assertEqual(dummy_view(request).status_code, 403)
def test_wrong_lookup_variables_number(self):
request = self._get_request()
try:
@permission_required_or_403('auth.change_user', (User, 'username'))
def dummy_view(request, username):
pass
dummy_view(request, username='jack')
except GuardianError:
pass
else:
self.fail("If lookup variables are passed they must be tuple of: "
"(ModelClass/app_label.ModelClass/queryset, "
"<pair of lookup_string and view_arg>)\n"
"Otherwise GuardianError should be raised")
def test_wrong_lookup_variables(self):
request = self._get_request()
args = (
(2010, 'username', 'username'),
('User', 'username', 'username'),
(User, 'username', 'no_arg'),
)
for tup in args:
try:
@permission_required_or_403('auth.change_user', tup)
def show_user(request, username):
user = get_object_or_404(User, username=username)
return HttpResponse("It's %s here!" % user.username)
show_user(request, 'jack')
except GuardianError:
pass
else:
self.fail("Wrong arguments given but GuardianError not raised")
def test_user_has_no_access(self):
request = self._get_request()
@permission_required_or_403('auth.change_user')
def dummy_view(request):
return HttpResponse('dummy_view')
self.assertEqual(dummy_view(request).status_code, 403)
def test_user_has_access(self):
perm = get_user_permission_full_codename('change')
joe, created = User.objects.get_or_create(username='joe')
assign_perm(perm, self.user, obj=joe)
request = self._get_request(self.user)
@permission_required_or_403(perm, (
user_model_path, 'username', 'username'))
def dummy_view(request, username):
return HttpResponse('dummy_view')
response = dummy_view(request, username='joe')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'dummy_view')
def test_user_has_access_on_model_with_metaclass(self):
"""
Test to the fix issues of comparaison made via type()
in the decorator. In the case of a `Model` implementing
a custom metaclass, the decorator fail because type
doesn't return `ModelBase`
"""
perm = get_user_permission_full_codename('change')
class TestMeta(ModelBase):
pass
class ProxyUser(User):
class Meta:
proxy = True
app_label = User._meta.app_label
__metaclass__ = TestMeta
joe, created = ProxyUser.objects.get_or_create(username='joe')
assign_perm(perm, self.user, obj=joe)
request = self._get_request(self.user)
@permission_required_or_403(perm, (
ProxyUser, 'username', 'username'))
def dummy_view(request, username):
return HttpResponse('dummy_view')
response = dummy_view(request, username='joe')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'dummy_view')
def test_user_has_obj_access_even_if_we_also_check_for_global(self):
perm = get_user_permission_full_codename('change')
joe, created = User.objects.get_or_create(username='joe')
assign_perm(perm, self.user, obj=joe)
request = self._get_request(self.user)
@permission_required_or_403(perm, (
user_model_path, 'username', 'username'), accept_global_perms=True)
def dummy_view(request, username):
return HttpResponse('dummy_view')
response = dummy_view(request, username='joe')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'dummy_view')
def test_user_has_no_obj_perm_access(self):
perm = get_user_permission_full_codename('change')
joe, created = User.objects.get_or_create(username='joe')
request = self._get_request(self.user)
@permission_required_or_403(perm, (
user_model_path, 'username', 'username'))
def dummy_view(request, username):
return HttpResponse('dummy_view')
response = dummy_view(request, username='joe')
self.assertEqual(response.status_code, 403)
def test_user_has_global_perm_access_but_flag_not_set(self):
perm = get_user_permission_full_codename('change')
joe, created = User.objects.get_or_create(username='joe')
assign_perm(perm, self.user)
request = self._get_request(self.user)
@permission_required_or_403(perm, (
user_model_path, 'username', 'username'))
def dummy_view(request, username):
return HttpResponse('dummy_view')
response = dummy_view(request, username='joe')
self.assertEqual(response.status_code, 403)
def test_user_has_global_perm_access(self):
perm = get_user_permission_full_codename('change')
joe, created = User.objects.get_or_create(username='joe')
assign_perm(perm, self.user)
request = self._get_request(self.user)
@permission_required_or_403(perm, (
user_model_path, 'username', 'username'), accept_global_perms=True)
def dummy_view(request, username):
return HttpResponse('dummy_view')
response = dummy_view(request, username='joe')
self.assertEqual(response.status_code, 200)
self.assertEqual(response.content, b'dummy_view')
def test_model_lookup(self):
request = self._get_request(self.user)
perm = get_user_permission_full_codename('change')
joe, created = User.objects.get_or_create(username='joe')
assign_perm(perm, self.user, obj=joe)
models = (
user_model_path,
User,
User.objects.filter(is_active=True),
)
for model in models:
@permission_required_or_403(perm, (model, 'username', 'username'))
def dummy_view(request, username):
get_object_or_404(User, username=username)
return HttpResponse('hello')
response = dummy_view(request, username=joe.username)
self.assertEqual(response.content, b'hello')
def test_redirection_raises_wrong_app_error(self):
from guardian.testapp.models import Project
request = self._get_request(self.user)
User.objects.create(username='foo')
Project.objects.create(name='foobar')
@permission_required('auth.change_group',
(Project, 'name', 'group_name'),
login_url='/foobar/')
def dummy_view(request, project_name):
pass
# 'auth.change_group' is wrong permission codename (should be one
# related with User
self.assertRaises(WrongAppError, dummy_view, request, group_name='foobar')
def test_redirection(self):
from guardian.testapp.models import Project
request = self._get_request(self.user)
User.objects.create(username='foo')
Project.objects.create(name='foobar')
@permission_required('testapp.change_project',
(Project, 'name', 'project_name'),
login_url='/foobar/')
def dummy_view(request, project_name):
pass
response = dummy_view(request, project_name='foobar')
self.assertTrue(isinstance(response, HttpResponseRedirect))
self.assertTrue(response._headers['location'][1].startswith(
'/foobar/'))
@override_settings(LOGIN_URL='django.contrib.auth.views.login')
def test_redirection_class(self):
view_url = '/permission_required/'
if django_get_version() < "1.5":
# skip this test for django versions < 1.5
return
response = self.client.get(view_url)
self.assertRedirects(response, reverse(settings.LOGIN_URL) + "?next=" + view_url)
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