Generate session controller tests for auth generator (rails#53726)

* Generate session controller tests for auth generator

* Use paths for everything

---------

Co-authored-by: David Heinemeier Hansson <[email protected]>

Author: jeromedalbert

railties/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Generate session controller tests when running the authentication generator.
+
+    *Jerome Dalbert*
+
 *   Add bin/bundler-audit and config/bundler-audit.yml for discovering and managing known security problems with app gems.
 
     *DHH*

railties/lib/rails/generators/test_unit/authentication/authentication_generator.rb

@@ -11,6 +11,7 @@ def create_user_test_files
       end
 
       def create_controller_test_files
+        template "test/controllers/sessions_controller_test.rb"
         template "test/controllers/passwords_controller_test.rb"
       end
     end

railties/lib/rails/generators/test_unit/authentication/templates/test/controllers/sessions_controller_test.rb

@@ -0,0 +1,33 @@
+require "test_helper"
+
+class SessionsControllerTest < ActionDispatch::IntegrationTest
+  setup { @user = User.take }
+
+  test "new" do
+    get new_session_path
+    assert_response :success
+  end
+
+  test "create with valid credentials" do
+    post session_path, params: { email_address: @user.email_address, password: "password" }
+
+    assert_redirected_to root_path
+    assert cookies[:session_id]
+  end
+
+  test "create with invalid credentials" do
+    post session_path, params: { email_address: @user.email_address, password: "wrong" }
+
+    assert_redirected_to new_session_path
+    assert_nil cookies[:session_id]
+  end
+
+  test "destroy" do
+    sign_in_as(User.take)
+
+    delete session_path
+
+    assert_redirected_to new_session_path
+    assert_empty cookies[:session_id]
+  end
+end

railties/test/generators/authentication_generator_test.rb

@@ -60,6 +60,7 @@ def test_authentication_generator
 
     assert_file "test/models/user_test.rb"
     assert_file "test/fixtures/users.yml"
+    assert_file "test/controllers/sessions_controller_test.rb"
     assert_file "test/controllers/passwords_controller_test.rb"
 
     assert_file "test/test_helper.rb" do |content|