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115 lines
4.8 KiB
Python
115 lines
4.8 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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self.addCleanup(signals.user_logged_in.disconnect, self.listener_login)
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signals.user_logged_out.connect(self.listener_logout)
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self.addCleanup(signals.user_logged_out.disconnect, self.listener_logout)
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signals.user_login_failed.connect(self.listener_login_failed)
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self.addCleanup(
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signals.user_login_failed.disconnect, self.listener_login_failed
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)
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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.post("/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.post("/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(
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AUTH_USER_MODEL="auth_tests.UserWithDisabledLastLoginField"
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):
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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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