Enums issue with the form

test/dummy/app/controllers/movies_controller.rb

@@ -13,9 +13,25 @@ def index_with_blank
   def index_with_blank_html
   end
 
+  def update
+    @movie = Movie.find(params[:id])
+
+    respond_to do |format|
+      if @movie.update(movie_params)
+        format.html { redirect_to enum_url, notice: "Movie was successfully updated." }
+      else
+        format.html { render :edit, status: :unprocessable_entity }
+      end
+    end
+  end
+
   private
     def set_page
       movies = params[:full_search] ? Movie.full_search(params[:q]) : Movie.search(params[:q])
       set_page_and_extract_portion_from movies.alphabetically, per_page: 5
     end
+
+    def movie_params
+      params.require(:movie).permit(:title, :rating)
+    end
 end

test/dummy/app/views/comboboxes/enum.html.erb

@@ -1,5 +1,7 @@
 <%= form_with model: Movie.first do |form| %>
+  <%#= form.combobox :rating, Movie.ratings.keys %>
   <%= form.combobox :rating, Movie.ratings %>
+  <%= form.submit %>
 <% end %>
 
 <%= combobox_tag "rating-enum", Movie.ratings, id: "rating-enum" %>

test/system/hotwire_combobox_test.rb

@@ -574,6 +574,14 @@ class HotwireComboboxTest < ApplicationSystemTestCase
     click_away
   end
 
+  test "enum combobox with form" do
+    visit enum_path
+
+    open_combobox "#movie_rating"
+    click_on_option "R"
+    click_on "Update Movie"
+  end
+
   test "async autocomplete selections don't trample over each other" do
     visit async_path