GeoArea on API expose fields per source type

spec/serializers/champs/carte_champ_serializer_spec.rb

@@ -6,13 +6,29 @@ describe Champs::CarteChampSerializer do
       let(:geo_area) { create(:geo_area) }
       let(:champ) { create(:type_de_champ_carte).champ.create(geo_areas: [geo_area]) }
 
-      it {
-        expect(subject[:geo_areas].first).to include(
-          source: GeoArea.sources.fetch(:cadastre),
-          numero: '42',
-          feuille: 'A11'
-        )
-      }
+      context 'and geo_area is cadastre' do
+        it {
+          expect(subject[:geo_areas].first).to include(
+            source: GeoArea.sources.fetch(:cadastre),
+            numero: '42',
+            feuille: 'A11'
+          )
+          expect(subject[:geo_areas].first.key?(:nom)).to be_falsey
+        }
+      end
+
+      context 'and geo_area is quartier_prioritaire' do
+        let(:geo_area) { create(:geo_area, :quartier_prioritaire) }
+
+        it {
+          expect(subject[:geo_areas].first).to include(
+            source: GeoArea.sources.fetch(:quartier_prioritaire),
+            nom: 'XYZ',
+            commune: 'Paris'
+          )
+          expect(subject[:geo_areas].first.key?(:numero)).to be_falsey
+        }
+      end
     end
   end
 end