Devise now allows you to have custom controlleers. Check the README for more information.

test/integration/authenticatable_test.rb

@@ -134,9 +134,7 @@ class AuthenticationTest < ActionController::IntegrationTest
   end
 
   test 'error message is configurable by resource name' do
-    store_translations :en, :devise => {
-      :sessions => { :admin => { :invalid => "Invalid credentials" } }
-    } do
+    store_translations :en, :devise => { :sessions => { :admin => { :invalid => "Invalid credentials" } } } do
       sign_in_as_admin do
         fill_in 'password', :with => 'abcdef'
       end
@@ -210,6 +208,7 @@ class AuthenticationTest < ActionController::IntegrationTest
     assert_equal "Cart", @controller.user_session[:cart]
   end
 
+  # Scoped views
   test 'renders the scoped view if turned on and view is available' do
     swap Devise, :scoped_views => true do
       assert_raise Webrat::NotFoundError do
@@ -249,6 +248,24 @@ class AuthenticationTest < ActionController::IntegrationTest
     end
   end
 
+  # Default scope
+  test 'uses the mapping from the default scope if specified' do
+    swap Devise, :use_default_scope => true do
+      get '/sign_in'
+      assert_response :ok
+      assert_contain 'Sign in'
+    end
+  end
+
+  # Custom controller
+  test 'uses the custom controller with the custom controller view' do
+    get '/admin_area/sign_in'
+    assert_contain 'Sign in'
+    assert_contain 'Welcome to "sessions" controller!'
+    assert_contain 'Welcome to "sessions/new" view!'
+  end
+
+  # Access
   test 'render 404 on roles without permission' do
     get '/admin_area/password/new', {}, "action_dispatch.show_exceptions" => true
     assert_response :not_found
@@ -260,12 +277,4 @@ class AuthenticationTest < ActionController::IntegrationTest
     assert_response :not_found
     assert_not_contain 'Sign in'
   end
-
-  test 'uses the mapping from the default scope if specified' do
-    swap Devise, :use_default_scope => true do
-      get '/sign_in'
-      assert_response :ok
-      assert_contain 'Sign in'
-    end
-  end
 end

test/rails_app/app/controllers/sessions_controller.rb

@@ -0,0 +1,6 @@
+class SessionsController < Devise::SessionsController
+  def new
+    flash[:notice] = "Welcome to #{controller_path.inspect} controller!"
+    super
+  end
+end

test/rails_app/app/views/sessions/new.html.erb

@@ -0,0 +1,2 @@
+Welcome to "sessions/new" view!
+<%= render :file => "devise/sessions/new" %>

test/rails_app/config/routes.rb

@@ -3,18 +3,19 @@ Rails::Application.routes.draw do
     get :expire, :on => :member
   end
 
+  resources :admins, :only => [:index]
+
   devise_for :users
-  devise_for :admin, :as => 'admin_area'
-  devise_for :accounts, :scope => 'manager', :path_prefix => ':locale',
+  devise_for :admin, :as => "admin_area", :controllers => { :sessions => "sessions" }
+  devise_for :accounts, :scope => "manager", :path_prefix => ":locale",
     :class_name => "User", :path_names => {
-      :sign_in => 'login', :sign_out => 'logout',
-      :password => 'secret', :confirmation => 'verification',
-      :unlock => 'unblock', :sign_up => 'register'
+      :sign_in => "login", :sign_out => "logout",
+      :password => "secret", :confirmation => "verification",
+      :unlock => "unblock", :sign_up => "register"
     }
 
-  resources :admins, :only => [:index]
-  root :to => "home#index"
+  match "/admin_area/home", :to => "admins#index", :as => :admin_root
+  match "/sign_in", :to => "devise/sessions#new"
 
-  match '/admin_area/home', :to => "admins#index", :as => :admin_root
-  match '/sign_in', :to => "devise/sessions#new"
-end
+  root :to => "home#index"
+end

test/routes_test.rb

@@ -74,8 +74,12 @@ class MapRoutingTest < ActionController::TestCase
     assert_recognizes({:controller => 'devise/registrations', :action => 'destroy'}, {:path => 'users', :method => :delete})
   end
 
-  test 'map admin session with :as option' do
-    assert_recognizes({:controller => 'devise/sessions', :action => 'new'}, {:path => 'admin_area/sign_in', :method => :get})
+  test 'map admin with :as option' do
+    assert_recognizes({:controller => 'devise/registrations', :action => 'new'}, {:path => 'admin_area/sign_up', :method => :get})
+  end
+
+  test 'map admin with :controllers option' do
+    assert_recognizes({:controller => 'sessions', :action => 'new'}, {:path => 'admin_area/sign_in', :method => :get})
   end
 
   test 'does not map admin confirmation' do