1 files changed, 47 insertions, 0 deletions
diff --git a/railties/test/application/middleware/cookies_test.rb b/railties/test/application/middleware/cookies_test.rb
new file mode 100644
index 0000000000..13556cbed2
--- /dev/null
+++ b/railties/test/application/middleware/cookies_test.rb
@@ -0,0 +1,47 @@
+require 'isolation/abstract_unit'
+
+module ApplicationTests
+  class CookiesTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def new_app
+      File.expand_path("#{app_path}/../new_app")
+    end
+
+    def setup
+      build_app
+      boot_rails
+      FileUtils.rm_rf("#{app_path}/config/environments")
+    end
+
+    def teardown
+      teardown_app
+      FileUtils.rm_rf(new_app) if File.directory?(new_app)
+    end
+
+    test 'always_write_cookie is true by default in development' do
+      require 'rails'
+      Rails.env = 'development'
+      require "#{app_path}/config/environment"
+      assert_equal true, ActionDispatch::Cookies::CookieJar.always_write_cookie
+    end
+
+    test 'always_write_cookie is false by default in production' do
+      require 'rails'
+      Rails.env = 'production'
+      require "#{app_path}/config/environment"
+      assert_equal false, ActionDispatch::Cookies::CookieJar.always_write_cookie
+    end
+
+    test 'always_write_cookie can be overrided' do
+      add_to_config <<-RUBY
+        config.action_dispatch.always_write_cookie = false
+      RUBY
+
+      require 'rails'
+      Rails.env = 'development'
+      require "#{app_path}/config/environment"
+      assert_equal false, ActionDispatch::Cookies::CookieJar.always_write_cookie
+    end
+  end
+end