DossierController: allow upload of empty

app/controllers/new_user/dossiers_controller.rb

@@ -51,7 +51,7 @@ module NewUser
 
       errors = PiecesJustificativesService.upload!(@dossier, current_user, params)
 
-      if !@dossier.update(champs_params)
+      if champs_params[:dossier] && !@dossier.update(champs_params[:dossier])
         errors += @dossier.errors.full_messages
       end
 
@@ -75,8 +75,9 @@ module NewUser
 
     private
 
+    # FIXME: require(:dossier) when all the champs are united
     def champs_params
-      params.require(:dossier).permit(champs_attributes: [:id, :value, :piece_justificative_file, value: []])
+      params.permit(dossier: { champs_attributes: [:id, :value, :piece_justificative_file, value: []] })
     end
 
     def dossier

spec/controllers/new_user/dossiers_controller_spec.rb

@@ -212,5 +212,15 @@ describe NewUser::DossiersController, type: :controller do
         it { expect(dossier.reload.state).to eq('brouillon') }
       end
     end
+
+    context 'when dossier has no champ' do
+      let(:submit_payload) { { id: dossier.id } }
+
+      it 'does not raise any errors' do
+        subject
+
+        expect(response).to redirect_to(users_dossier_recapitulatif_path(dossier))
+      end
+    end
   end
 end