download a dossier as zip with all attachments

spec/services/pieces_justificatives_service_spec.rb

@@ -20,6 +20,9 @@ describe PiecesJustificativesService do
   let(:errors) { PiecesJustificativesService.upload!(dossier, user, hash) }
   let(:tpjs) { [tpj_not_mandatory] }
 
+  let(:attachment_list) { PiecesJustificativesService.liste_pieces_justificatives(dossier) }
+  let(:poids_total) { PiecesJustificativesService.pieces_justificatives_total_size(dossier) }
+
   describe 'self.upload!' do
     context 'when no params are given' do
       it { expect(errors).to eq([]) }
@@ -81,12 +84,30 @@ describe PiecesJustificativesService do
       before :each do
         # we are messing around piece_justificative
         # because directly doubling carrierwave params seems complicated
-
         piece_justificative_double = double(type_de_piece_justificative: tpj_mandatory)
         expect(dossier).to receive(:pieces_justificatives).and_return([piece_justificative_double])
       end
 
-      it { expect(errors).to match([]) }
+      it {
+        expect(errors).to match([])
+      }
+    end
+  end
+
+  describe '#attachment_list' do
+    context 'when no piece_justificative is present' do
+      it { expect(attachment_list).to match([]) }
+      it { expect(poids_total).to be 0 }
+    end
+
+    context 'when there is a piece_justificative' do
+      let (:pj) { create(:champ, :piece_justificative, :with_piece_justificative_file) }
+      before do
+        dossier.champs = [pj]
+      end
+
+      it { expect(attachment_list).not_to be_empty }
+      it { expect(poids_total).to be pj.piece_justificative_file.byte_size }
     end
   end