procedures: add tests for new_from_existing

app/controllers/admin/procedures_controller.rb

@@ -174,16 +174,18 @@ class Admin::ProceduresController < AdminController
     redirect_to admin_procedures_path
   end
 
+  SIGNIFICANT_DOSSIERS_THRESHOLD = 30
+
   def new_from_existing
-    procedures_with_more_than_30_dossiers_ids = Procedure
+    significant_procedure_ids = Procedure
       .publiees_ou_archivees
       .joins(:dossiers)
       .group("procedures.id")
-      .having("count(dossiers.id) > ?", 30)
+      .having("count(dossiers.id) >= ?", SIGNIFICANT_DOSSIERS_THRESHOLD)
       .pluck('procedures.id')
 
     @grouped_procedures = Procedure
-      .where(id: procedures_with_more_than_30_dossiers_ids)
+      .where(id: significant_procedure_ids)
       .group_by(&:administrateur)
       .sort_by { |a, _| a.created_at }
   end

spec/controllers/admin/procedures_controller_spec.rb

@@ -525,6 +525,36 @@ describe Admin::ProceduresController, type: :controller do
     end
   end
 
+  describe 'GET #new_from_existing' do
+    before do
+      stub_const("Admin::ProceduresController::SIGNIFICANT_DOSSIERS_THRESHOLD", 2)
+    end
+
+    subject { get :new_from_existing }
+    let(:grouped_procedures) { subject; assigns(:grouped_procedures) }
+    let(:response_procedures) { grouped_procedures.map{ |o, procedures| procedures }.flatten }
+
+    describe 'selecting' do
+      let!(:large_draft_procedure)     { create(:procedure_with_dossiers, dossiers_count: 2) }
+      let!(:large_published_procedure) { create(:procedure_with_dossiers, :published, dossiers_count: 2) }
+      let!(:large_archived_procedure)  { create(:procedure_with_dossiers, :archived,  dossiers_count: 2) }
+      let!(:small_archived_procedure)  { create(:procedure_with_dossiers, :archived,  dossiers_count: 1) }
+
+      it 'displays published and archived procedures' do
+        expect(response_procedures).to include(large_published_procedure)
+        expect(response_procedures).to include(large_archived_procedure)
+      end
+
+      it 'doesn’t display procedures without a significant number of dossiers' do
+        expect(response_procedures).not_to include(small_archived_procedure)
+      end
+
+      it 'doesn’t display draft procedures' do
+        expect(response_procedures).not_to include(large_draft_procedure)
+      end
+    end
+  end
+
   describe 'GET #path_list' do
     let!(:procedure) { create(:procedure, :published, administrateur: admin) }
     let(:admin2) { create(:administrateur) }

spec/factories/procedure.rb

@@ -12,6 +12,16 @@ FactoryBot.define do
     duree_conservation_dossiers_dans_ds 3
     duree_conservation_dossiers_hors_ds 6
 
+    factory :procedure_with_dossiers do
+      transient do
+        dossiers_count 1
+      end
+
+      after(:build) do |procedure, _evaluator|
+        procedure.dossiers << create_list(:dossier, _evaluator.dossiers_count, procedure: procedure)
+      end
+    end
+
     after(:build) do |procedure, _evaluator|
       if procedure.module_api_carto.nil?
         module_api_carto = create(:module_api_carto)