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115 lines
4.7 KiB
Python
115 lines
4.7 KiB
Python
from django.apps import apps
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from django.contrib.auth import authenticate, signals
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from django.contrib.auth.models import User
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from django.core.exceptions import FieldDoesNotExist
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from django.test import TestCase, override_settings
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from django.test.client import RequestFactory
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from .models import MinimalUser, UserWithDisabledLastLoginField
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@override_settings(ROOT_URLCONF='auth_tests.urls')
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class SignalTestCase(TestCase):
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@classmethod
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def setUpTestData(cls):
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cls.u1 = User.objects.create_user(username='testclient', password='password')
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cls.u3 = User.objects.create_user(username='staff', password='password')
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def listener_login(self, user, **kwargs):
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self.logged_in.append(user)
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def listener_logout(self, user, **kwargs):
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self.logged_out.append(user)
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def listener_login_failed(self, sender, **kwargs):
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self.login_failed.append(kwargs)
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def setUp(self):
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"""Set up the listeners and reset the logged in/logged out counters"""
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self.logged_in = []
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self.logged_out = []
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self.login_failed = []
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signals.user_logged_in.connect(self.listener_login)
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signals.user_logged_out.connect(self.listener_logout)
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signals.user_login_failed.connect(self.listener_login_failed)
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def tearDown(self):
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"""Disconnect the listeners"""
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signals.user_logged_in.disconnect(self.listener_login)
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signals.user_logged_out.disconnect(self.listener_logout)
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signals.user_login_failed.disconnect(self.listener_login_failed)
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def test_login(self):
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# Only a successful login will trigger the success signal.
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self.client.login(username='testclient', password='bad')
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self.assertEqual(len(self.logged_in), 0)
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self.assertEqual(len(self.login_failed), 1)
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self.assertEqual(self.login_failed[0]['credentials']['username'], 'testclient')
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# verify the password is cleansed
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self.assertIn('***', self.login_failed[0]['credentials']['password'])
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self.assertIn('request', self.login_failed[0])
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# Like this:
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self.client.login(username='testclient', password='password')
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self.assertEqual(len(self.logged_in), 1)
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self.assertEqual(self.logged_in[0].username, 'testclient')
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# Ensure there were no more failures.
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self.assertEqual(len(self.login_failed), 1)
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def test_logout_anonymous(self):
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# The log_out function will still trigger the signal for anonymous
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# users.
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self.client.get('/logout/next_page/')
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self.assertEqual(len(self.logged_out), 1)
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self.assertIsNone(self.logged_out[0])
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def test_logout(self):
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self.client.login(username='testclient', password='password')
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self.client.get('/logout/next_page/')
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self.assertEqual(len(self.logged_out), 1)
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self.assertEqual(self.logged_out[0].username, 'testclient')
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def test_update_last_login(self):
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"""Only `last_login` is updated in `update_last_login`"""
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user = self.u3
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old_last_login = user.last_login
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user.username = "This username shouldn't get saved"
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request = RequestFactory().get('/login')
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signals.user_logged_in.send(sender=user.__class__, request=request, user=user)
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user = User.objects.get(pk=user.pk)
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self.assertEqual(user.username, 'staff')
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self.assertNotEqual(user.last_login, old_last_login)
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def test_failed_login_without_request(self):
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authenticate(username='testclient', password='bad')
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self.assertIsNone(self.login_failed[0]['request'])
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def test_login_with_custom_user_without_last_login_field(self):
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"""
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The user_logged_in signal is only registered if the user model has a
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last_login field.
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"""
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last_login_receivers = signals.user_logged_in.receivers
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try:
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signals.user_logged_in.receivers = []
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with self.assertRaises(FieldDoesNotExist):
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MinimalUser._meta.get_field('last_login')
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with self.settings(AUTH_USER_MODEL='auth_tests.MinimalUser'):
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apps.get_app_config('auth').ready()
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self.assertEqual(signals.user_logged_in.receivers, [])
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# last_login is a property whose value is None.
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self.assertIsNone(UserWithDisabledLastLoginField().last_login)
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with self.settings(AUTH_USER_MODEL='auth_tests.UserWithDisabledLastLoginField'):
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apps.get_app_config('auth').ready()
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self.assertEqual(signals.user_logged_in.receivers, [])
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with self.settings(AUTH_USER_MODEL='auth.User'):
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apps.get_app_config('auth').ready()
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self.assertEqual(len(signals.user_logged_in.receivers), 1)
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finally:
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signals.user_logged_in.receivers = last_login_receivers
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