perf(procedure): description view caching

app/controllers/users/commencer_controller.rb

@@ -25,8 +25,6 @@ module Users
         @preview_dossiers = @dossiers.take(3)
       end
 
-      @usual_traitement_time = @procedure.stats_usual_traitement_time
-
       render 'commencer/show'
     end
 

app/views/shared/_procedure_description.html.haml

@@ -24,6 +24,7 @@
 
 - unless @no_description
   .fr-accordions-group.fr-mb-3w
+    - cache [procedure, "description"] do
       %section.fr-accordion
         %h2.fr-accordion__title
           %button.fr-accordion__btn{ "aria-controls" => "accordion-114", "aria-expanded" => "true" }
@@ -63,14 +64,14 @@
               %ul
                 = render partial: "shared/procedure_pieces_jointes_list", collection: procedure.pieces_jointes_list_with_conditionnal, as: :pj
 
-    - if @usual_traitement_time.present?
+    - if procedure.stats_usual_traitement_time
       %section.fr-accordion
         %h2.fr-accordion__title
           %button.fr-accordion__btn{ "aria-controls" => "accordion-117", "aria-expanded" => "false" }
             = t('shared.procedure_description.usual_traitement_time_title')
 
         #accordion-117.fr-collapse
-          = t('shared.procedure_description.usual_traitement_time_detail_html', traitement_time: distance_of_time_in_words(@usual_traitement_time), percentile: ProcedureStatsConcern::USUAL_TRAITEMENT_TIME_PERCENTILE, days: ProcedureStatsConcern::NB_DAYS_RECENT_DOSSIERS, href: statistiques_path(procedure.path) )
+          = t('shared.procedure_description.usual_traitement_time_detail_html', traitement_time: distance_of_time_in_words(procedure.stats_usual_traitement_time), percentile: ProcedureStatsConcern::USUAL_TRAITEMENT_TIME_PERCENTILE, days: ProcedureStatsConcern::NB_DAYS_RECENT_DOSSIERS, href: statistiques_path(procedure.path) )
 
 
     - if procedure.persisted? && procedure.estimated_duration_visible?

spec/models/procedure_revision_spec.rb

@@ -770,12 +770,9 @@ describe ProcedureRevision do
       end
     end
 
-    describe 'caching behavior' do
+    describe 'caching behavior', caching: true do
       let(:procedure) { create(:procedure, :published, types_de_champ_public: types_de_champ_public) }
 
-      before { Rails.cache = ActiveSupport::Cache::MemoryStore.new }
-      after { Rails.cache = ActiveSupport::Cache::NullStore.new }
-
       context 'when a type de champ belonging to a draft revision is updated' do
         let(:draft_revision) { procedure.draft_revision }
 

spec/support/caching.rb

@@ -0,0 +1,16 @@
+RSpec.configure do |config|
+  config.around(:all, :caching) do |example|
+    caching_was = ActionController::Base.perform_caching
+    cache_store_was = Rails.cache
+
+    Rails.cache = ActiveSupport::Cache::MemoryStore.new
+    ActionController::Base.perform_caching = true
+    ActionController::Base.cache_store = Rails.cache
+
+    example.run
+  ensure
+    Rails.cache = cache_store_was
+    ActionController::Base.perform_caching = caching_was
+    ActionController::Base.cache_store = Rails.cache
+  end
+end

spec/views/shared/_procedure_description.html.haml_spec.rb

@@ -48,7 +48,9 @@ describe 'shared/_procedure_description', type: :view do
   end
 
   context 'when procedure has usual_traitement_time' do
-    before { assign(:usual_traitement_time, 1.day) }
+    before do
+      allow(procedure).to receive(:stats_usual_traitement_time).and_return(1.day)
+    end
 
     it 'shows a usual traitement text' do
       subject
@@ -105,4 +107,22 @@ describe 'shared/_procedure_description', type: :view do
       end
     end
   end
+
+  context 'caching', caching: true do
+    it "works" do
+      expect(procedure).to receive(:pieces_jointes_list?).once
+      2.times { render partial: 'shared/procedure_description', locals: { procedure: } }
+    end
+
+    it 'cache_key depends of revision' do
+      render partial: 'shared/procedure_description', locals: { procedure: }
+      expect(rendered).not_to have_text('new pj')
+
+      procedure.draft_revision.add_type_de_champ(type_champ: :piece_justificative, libelle: 'new pj')
+      procedure.publish_revision!
+
+      render partial: 'shared/procedure_description', locals: { procedure: }
+      expect(rendered).to have_text('new pj')
+    end
+  end
 end