Add tests for session_store configuration

test/lib/check_session_store_test.rb

@@ -0,0 +1,42 @@
+require 'test_helper'
+
+class SessionStoreTest < ActiveSupport::TestCase
+  def with_environment(env)
+    original_env = Rails.env
+    Rails.singleton_class.class_eval do
+      define_method(:env) { ActiveSupport::StringInquirer.new(env) }
+    end
+    yield
+  ensure
+    Rails.singleton_class.class_eval do
+      define_method(:env) { original_env }
+    end
+  end
+
+  test "session store configuration in production" do
+    with_environment('production') do
+      load Rails.root.join('config/initializers/session_store.rb')
+      assert_equal ActionDispatch::Session::CookieStore, Rails.application.config.session_store
+      assert_equal '_checkdesk_session', Rails.application.config.session_options[:key]
+      assert_equal '.checkmedia.org', Rails.application.config.session_options[:domain]
+    end
+  end
+
+  test "session store configuration in development" do
+    with_environment('development') do
+      load Rails.root.join('config/initializers/session_store.rb')
+      assert_equal ActionDispatch::Session::CookieStore, Rails.application.config.session_store
+      assert_equal '_checkdesk_session', Rails.application.config.session_options[:key]
+      assert_equal 'localhost', Rails.application.config.session_options[:domain]
+    end
+  end
+
+  test "session store configuration in test" do
+    with_environment('test') do
+      load Rails.root.join('config/initializers/session_store.rb')
+      assert_equal ActionDispatch::Session::CookieStore, Rails.application.config.session_store
+      assert_equal '_checkdesk_session', Rails.application.config.session_options[:key]
+      assert_nil Rails.application.config.session_options[:domain]
+    end
+  end
+end