created new FT file at functional_tests.test_my_lists, where the first test model focuses on the integrity of cookie sessions; much of FT login/logout logic offloaded to helper functions in .base;logout django templating added to base.html

src/apps/lyric/urls.py

@@ -1,8 +1,10 @@
-from django.urls import include, path
-from . import views
+from django.contrib.auth import views as auth_views
+from django.urls import path
+from . import views as lyric_views
 
 urlpatterns = [
-    path('send_login_email', views.send_login_email, name='send_login_email'),
-    path('login', views.login, name="login"),
+    path('send_login_email', lyric_views.send_login_email, name='send_login_email'),
+    path('login', lyric_views.login, name='login'),
+    path('logout', auth_views.LogoutView.as_view(next_page='/'), name='logout')
 ]
 

src/functional_tests/base.py

@@ -43,3 +43,17 @@ class FunctionalTest(StaticLiveServerTestCase):
 
     def get_item_input_box(self):
         return self.browser.find_element(By.ID, "id_text")
+    
+    def wait_to_be_logged_in(self, email):
+        self.wait_for(
+            lambda: self.browser.find_element(By.CSS_SELECTOR, "#id_logout"),
+        )
+        navbar = self.browser.find_element(By.CSS_SELECTOR, ".navbar")
+        self.assertIn(email, navbar.text)
+
+    def wait_to_be_logged_out(self, email):
+        self.wait_for(
+            lambda: self.browser.find_element(By.CSS_SELECTOR, "input[name=email]"),
+        )
+        navbar = self.browser.find_element(By.CSS_SELECTOR, ".navbar")
+        self.assertNotIn(email, navbar.text)

src/functional_tests/test_login.py

@@ -34,8 +34,8 @@ class LoginTest(FunctionalTest):
 
         self.browser.get(url)
 
-        self.wait_for(
-            lambda: self.browser.find_element(By.CSS_SELECTOR, "#id_logout"),
-        )
-        navbar = self.browser.find_element(By.CSS_SELECTOR, ".navbar")
-        self.assertIn(TEST_EMAIL, navbar.text)
+        self.wait_to_be_logged_in(email=TEST_EMAIL)
+
+        self.browser.find_element(By.CSS_SELECTOR, "#id_logout").click()
+
+        self.wait_to_be_logged_out(email=TEST_EMAIL)

src/functional_tests/test_my_lists.py

@@ -0,0 +1,25 @@
+from django.conf import settings
+from django.contrib.auth import BACKEND_SESSION_KEY, SESSION_KEY, get_user_model
+from django.contrib.sessions.backends.db import SessionStore
+from .base import FunctionalTest
+
+User = get_user_model()
+
+
+class MyListsTest(FunctionalTest):
+    def create_pre_authenticated_session(self, email):
+        user = User.objects.create(email=email)
+        session = SessionStore()
+        session[SESSION_KEY] = user.pk
+        session[BACKEND_SESSION_KEY] = settings.AUTHENTICATION_BACKENDS[0]
+        session.save()
+        ## to set a cookie we need to first visit the domain
+        ## 404 pages load the quickest!
+        self.browser.get(self.live_server_url + "/404_no_such_url/")
+        self.browser.add_cookie(
+            dict(
+                name=settings.SESSION_COOKIE_NAME,
+                value=session.session_key,
+                path="/",
+            )
+        )

src/templates/core/base.html

@@ -19,7 +19,7 @@
                     </a>
                     {% if user.email %}
                         <span class="navbar-text">Logged in as {{ user.email }}</span>
-                        <form action="TODO" method="POST">
+                        <form method="POST" action="{% url "logout" %}">
                             {% csrf_token %}
                             <button id="id_logout" class="btn btn-outline-secondary" type="submit">
                                 Log Out