Revisiting problems with multi-parameter attributes

test/action_controller_required_params_test.rb

@@ -5,24 +5,34 @@ def create
     params.require(:book).require(:name)
     head :ok
   end
+
+  def date
+    params.require(:date)
+    head :ok
+  end
 end
 
 class ActionControllerRequiredParamsTest < ActionController::TestCase
   tests BooksController
-  
+
   test "missing required parameters will raise exception" do
     post :create, { magazine: { name: "Mjallo!" } }
     assert_response :bad_request
 
     post :create, { book: { title: "Mjallo!" } }
     assert_response :bad_request
   end
-  
+
   test "required parameters that are present will not raise" do
     post :create, { book: { name: "Mjallo!" } }
     assert_response :ok
   end
-
+
+  test "required parameters that are present as multi-parameter attributes will not raise" do
+    post :date, { "date(1i)" => "2012", "date(2i)" => "9", "date(3i)" => "5" }
+    assert_response :ok
+  end
+
   test "missing parameters will be mentioned in the return" do
     post :create, { magazine: { name: "Mjallo!" } }
     assert_equal "Required parameter missing: book", response.body