Controller use new export model

spec/controllers/instructeurs/procedures_controller_spec.rb

@@ -431,4 +431,80 @@ describe Instructeurs::ProceduresController, type: :controller do
       end
     end
   end
+
+  describe '#download_export' do
+    let(:instructeur) { create(:instructeur) }
+    let!(:procedure) { create(:procedure) }
+    let!(:gi_0) { procedure.defaut_groupe_instructeur }
+    let!(:gi_1) { GroupeInstructeur.create(label: 'gi_1', procedure: procedure, instructeurs: [instructeur]) }
+
+    before { sign_in(instructeur.user) }
+
+    subject do
+      get :download_export, params: { export_format: :csv, procedure_id: procedure.id }
+    end
+
+    context 'when the export is does not exist' do
+      it 'displays an notice' do
+        is_expected.to redirect_to(instructeur_procedure_url(procedure))
+        expect(flash.notice).to be_present
+      end
+
+      it { expect { subject }.to change(Export, :count).by(1) }
+    end
+
+    context 'when the export is not ready' do
+      before do
+        Export.create(format: :csv, groupe_instructeurs: [gi_1])
+      end
+
+      it 'displays an notice' do
+        is_expected.to redirect_to(instructeur_procedure_url(procedure))
+        expect(flash.notice).to be_present
+      end
+    end
+
+    context 'when the export is ready' do
+      let!(:export) do
+        Export.create(format: :csv, groupe_instructeurs: [gi_1])
+      end
+
+      before do
+        export.file.attach(io: StringIO.new('export'), filename: 'file.csv')
+      end
+
+      it 'displays the download link' do
+        subject
+        expect(response.headers['Location']).to start_with("http://test.host/rails/active_storage/disk")
+      end
+    end
+
+    context 'when another export is ready' do
+      let!(:export) do
+        Export.create(format: :csv, groupe_instructeurs: [gi_0, gi_1])
+      end
+
+      before do
+        export.file.attach(io: StringIO.new('export'), filename: 'file.csv')
+      end
+
+      it 'displays an notice' do
+        is_expected.to redirect_to(instructeur_procedure_url(procedure))
+        expect(flash.notice).to be_present
+      end
+    end
+
+    context 'when the js format is used' do
+      before do
+        post :download_export,
+          params: { export_format: :csv, procedure_id: procedure.id },
+          format: :js
+      end
+
+      it "responses in the correct format" do
+        expect(response.content_type).to eq "text/javascript"
+        expect(response).to have_http_status(:ok)
+      end
+    end
+  end
 end