Remove a few Ruby syntax warnings from the test suite.

test/controllers/sessions_controller_test.rb

@@ -6,7 +6,7 @@ class SessionsControllerTest < Devise::ControllerTestCase
 
   test "#create doesn't raise unpermitted params when sign in fails" do
     begin
-      subscriber = ActiveSupport::Notifications.subscribe /unpermitted_parameters/ do |name, start, finish, id, payload|
+      subscriber = ActiveSupport::Notifications.subscribe %r{unpermitted_parameters} do |name, start, finish, id, payload|
         flunk "Unpermitted params: #{payload}"
       end
       request.env["devise.mapping"] = Devise.mappings[:user]

test/generators/active_record_generator_test.rb

@@ -74,7 +74,7 @@ if DEVISE_ORM == :active_record
 
         assert_file "app/models/rails_engine/monster.rb", /devise/
         assert_file "app/models/rails_engine/monster.rb" do |content|
-          assert_no_match /attr_accessible :email/, content
+          assert_no_match %r{attr_accessible :email}, content
         end
       end
     end

test/integration/authenticatable_test.rb

@@ -365,7 +365,7 @@ class AuthenticationWithScopedViewsTest < Devise::IntegrationTest
       assert_raise Webrat::NotFoundError do
         sign_in_as_user
       end
-      assert_match /Special user view/, response.body
+      assert_match %r{Special user view}, response.body
     end
   end
 
@@ -376,7 +376,7 @@ class AuthenticationWithScopedViewsTest < Devise::IntegrationTest
         sign_in_as_user
       end
 
-      assert_match /Special user view/, response.body
+      assert_match %r{Special user view}, response.body
       assert !Devise::PasswordsController.scoped_views?
     ensure
       Devise::SessionsController.send :remove_instance_variable, :@scoped_views
@@ -449,7 +449,7 @@ class AuthenticationOthersTest < Devise::IntegrationTest
   test 'sign in stub in xml format' do
     get new_user_session_path(format: 'xml')
     assert_match '<?xml version="1.0" encoding="UTF-8"?>', response.body
-    assert_match /<user>.*<\/user>/m, response.body
+    assert_match %r{<user>.*</user>}m, response.body
     assert_match '<email></email>', response.body
     assert_match '<password nil="true"', response.body
   end

test/integration/confirmable_test.rb

@@ -35,7 +35,7 @@ class ConfirmationTest < Devise::IntegrationTest
   test 'user with invalid confirmation token should not be able to confirm an account' do
     visit_user_confirmation_with_token('invalid_confirmation')
     assert_have_selector '#error_explanation'
-    assert_contain /Confirmation token(.*)invalid/
+    assert_contain %r{Confirmation token(.*)invalid}
   end
 
   test 'user with valid confirmation token should not be able to confirm an account after the token has expired' do
@@ -45,7 +45,7 @@ class ConfirmationTest < Devise::IntegrationTest
       visit_user_confirmation_with_token(user.raw_confirmation_token)
 
       assert_have_selector '#error_explanation'
-      assert_contain /needs to be confirmed within 3 days/
+      assert_contain %r{needs to be confirmed within 3 days}
       assert_not user.reload.confirmed?
       assert_current_url "/users/confirmation?confirmation_token=#{user.raw_confirmation_token}"
     end

test/integration/lockable_test.rb

@@ -75,7 +75,7 @@ class LockTest < Devise::IntegrationTest
     assert_response :success
     assert_current_url '/users/unlock?unlock_token=invalid_token'
     assert_have_selector '#error_explanation'
-    assert_contain /Unlock token(.*)invalid/
+    assert_contain %r{Unlock token(.*)invalid}
   end
 
   test "locked user should be able to unlock account" do

test/integration/recoverable_test.rb

@@ -146,7 +146,7 @@ class PasswordTest < Devise::IntegrationTest
     assert_response :success
     assert_current_url '/users/password'
     assert_have_selector '#error_explanation'
-    assert_contain /Reset password token(.*)invalid/
+    assert_contain %r{Reset password token(.*)invalid}
     assert_not user.reload.valid_password?('987654321')
   end
 
@@ -212,7 +212,7 @@ class PasswordTest < Devise::IntegrationTest
   test 'does not sign in user automatically after changing its password if it\'s locked and unlock strategy is :none or :time' do
     [:none, :time].each do |strategy|
       swap Devise, unlock_strategy: strategy do
-        user = create_user(locked: true)
+        create_user(locked: true)
         request_forgot_password
         reset_password
 

test/integration/rememberable_test.rb

@@ -121,7 +121,7 @@ class RememberMeTest < Devise::IntegrationTest
 
   test 'extends remember period when extend remember period config is true' do
     swap Devise, extend_remember_period: true, remember_for: 1.year do
-      user = create_user_and_remember
+      create_user_and_remember
       old_remember_token = nil
 
       travel_to 1.day.ago do
@@ -138,7 +138,7 @@ class RememberMeTest < Devise::IntegrationTest
 
   test 'does not extend remember period when extend period config is false' do
     swap Devise, extend_remember_period: false, remember_for: 1.year do
-      user = create_user_and_remember
+      create_user_and_remember
       old_remember_token = nil
 
       travel_to 1.day.ago do

test/rails_app/app/controllers/application_controller.rb

@@ -5,8 +5,7 @@ class ApplicationController < ActionController::Base
   protect_from_forgery
   before_action :current_user, unless: :devise_controller?
   before_action :authenticate_user!, if: :devise_controller?
-  respond_to *Mime::SET.map(&:to_sym)
+  respond_to(*Mime::SET.map(&:to_sym))
 
   devise_group :commenter, contains: [:user, :admin]
 end
-