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import os
from django.conf import global_settings
from django.contrib.auth import authenticate
from django.contrib.auth.context_processors import PermWrapper, PermLookupDict
from django.db.models import Q
from django.template import context
from django.test import TestCase
from django.test.utils import override_settings
class MockUser(object):
def has_module_perm(self, perm):
if perm == 'mockapp.someapp':
return True
return False
def has_perm(self, perm):
if perm == 'someperm':
return True
return False
class PermWrapperTests(TestCase):
"""
Test some details of the PermWrapper implementation.
"""
class EQLimiterObject(object):
"""
This object makes sure __eq__ will not be called endlessly.
"""
def __init__(self):
self.eq_calls = 0
def __eq__(self, other):
if self.eq_calls > 0:
return True
self.eq_calls += 1
return False
def test_permwrapper_in(self):
"""
Test that 'something' in PermWrapper doesn't end up in endless loop.
"""
perms = PermWrapper(MockUser())
def raises():
self.EQLimiterObject() in perms
self.assertRaises(raises, TypeError)
def test_permlookupdict_in(self):
pldict = PermLookupDict(MockUser(), 'mockapp')
def raises():
self.EQLimiterObject() in pldict
self.assertRaises(raises, TypeError)
class AuthContextProcessorTests(TestCase):
"""
Tests for the ``django.contrib.auth.context_processors.auth`` processor
"""
urls = 'django.contrib.auth.tests.urls'
fixtures = ['context-processors-users.xml']
@override_settings(
MIDDLEWARE_CLASSES=global_settings.MIDDLEWARE_CLASSES,
TEMPLATE_CONTEXT_PROCESSORS=global_settings.TEMPLATE_CONTEXT_PROCESSORS,
)
def test_session_not_accessed(self):
"""
Tests that the session is not accessed simply by including
the auth context processor
"""
context._standard_context_processors = None
response = self.client.get('/auth_processor_no_attr_access/')
self.assertContains(response, "Session not accessed")
context._standard_context_processors = None
@override_settings(
MIDDLEWARE_CLASSES=global_settings.MIDDLEWARE_CLASSES,
TEMPLATE_CONTEXT_PROCESSORS=global_settings.TEMPLATE_CONTEXT_PROCESSORS,
)
def test_session_is_accessed(self):
"""
Tests that the session is accessed if the auth context processor
is used and relevant attributes accessed.
"""
context._standard_context_processors = None
response = self.client.get('/auth_processor_attr_access/')
self.assertContains(response, "Session accessed")
context._standard_context_processors = None
def test_perms_attrs(self):
self.client.login(username='super', password='secret')
response = self.client.get('/auth_processor_perms/')
self.assertContains(response, "Has auth permissions")
def test_message_attrs(self):
self.client.login(username='super', password='secret')
response = self.client.get('/auth_processor_messages/')
self.assertContains(response, "Message 1")
def test_user_attrs(self):
"""
Test that the lazy objects returned behave just like the wrapped objects.
"""
# These are 'functional' level tests for common use cases. Direct
# testing of the implementation (SimpleLazyObject) is in the 'utils'
# tests.
self.client.login(username='super', password='secret')
user = authenticate(username='super', password='secret')
response = self.client.get('/auth_processor_user/')
self.assertContains(response, "unicode: super")
self.assertContains(response, "id: 100")
self.assertContains(response, "username: super")
# bug #12037 is tested by the {% url %} in the template:
self.assertContains(response, "url: /userpage/super/")
# See if this object can be used for queries where a Q() comparing
# a user can be used with another Q() (in an AND or OR fashion).
# This simulates what a template tag might do with the user from the
# context. Note that we don't need to execute a query, just build it.
#
# The failure case (bug #12049) on Python 2.4 with a LazyObject-wrapped
# User is a fatal TypeError: "function() takes at least 2 arguments
# (0 given)" deep inside deepcopy().
#
# Python 2.5 and 2.6 succeeded, but logged internally caught exception
# spew:
#
# Exception RuntimeError: 'maximum recursion depth exceeded while
# calling a Python object' in <type 'exceptions.AttributeError'>
# ignored"
query = Q(user=response.context['user']) & Q(someflag=True)
# Tests for user equality. This is hard because User defines
# equality in a non-duck-typing way
# See bug #12060
self.assertEqual(response.context['user'], user)
self.assertEqual(user, response.context['user'])
AuthContextProcessorTests = override_settings(
TEMPLATE_DIRS=(
os.path.join(os.path.dirname(__file__), 'templates'),
),
USE_TZ=False, # required for loading the fixture
)(AuthContextProcessorTests)
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