Test and fix all possible cases of champ carte serialization

app/models/champs/carte_champ.rb

@@ -51,7 +51,7 @@ class Champs::CarteChamp < Champ
     # We used to store in the value column a json array with coordinates.
     if geo_json.is_a?(Array)
       # If it is a coordinates array, format it as a GEO-JSON
-      GeojsonService.to_json_polygon_for_selection_utilisateur(geo_json)
+      JSON.parse(GeojsonService.to_json_polygon_for_selection_utilisateur(geo_json))
     else
       # It is already a GEO-JSON
       geo_json

app/serializers/champ_serializer.rb

@@ -12,11 +12,9 @@ class ChampSerializer < ActiveModel::Serializer
   def value
     case object
     when GeoArea
-      object.geometry
+      object.geometry.to_json
     when Champs::CarteChamp
-      if object.value.present?
-        JSON.parse(object.value)
-      end
+      object.user_geometry.to_json
     when Champs::DecimalNumberChamp
       if object.value.present?
         object.value.to_f
@@ -71,7 +69,7 @@ class ChampSerializer < ActiveModel::Serializer
       libelle: legacy_carto_libelle,
       type_champ: legacy_carto_type_champ,
       order_place: -1,
-      descripton: ''
+      description: ''
     }
   end
 

spec/serializers/champ_serializer_spec.rb

@@ -1,6 +1,7 @@
 describe ChampSerializer do
   describe '#attributes' do
-    subject { ChampSerializer.new(champ).serializable_hash }
+    subject { ChampSerializer.new(serializable_object).serializable_hash }
+    let(:serializable_object) { champ }
 
     context 'when type champ is piece justificative' do
       include Rails.application.routes.url_helpers
@@ -20,33 +21,80 @@ describe ChampSerializer do
     end
 
     context 'when type champ is carte' do
-      let(:geo_area) { create(:geo_area) }
-      let(:coordinates) { [[{ "lat": 48.87442541960633, "lng": 2.3859214782714844 }, { "lat": 48.87273183590832, "lng": 2.3850631713867183 }, { "lat": 48.87081237174292, "lng": 2.3809432983398438 }, { "lat": 48.8712640169951, "lng": 2.377510070800781 }, { "lat": 48.87510283703279, "lng": 2.3778533935546875 }, { "lat": 48.87544154230615, "lng": 2.382831573486328 }, { "lat": 48.87442541960633, "lng": 2.3859214782714844 }]] }
+      let(:champ) { create(:champ_carte, value: value, geo_areas: [geo_area].compact) }
+      let(:value) { nil }
+      let(:geo_area) { create(:geo_area, geometry: parsed_geo_json) }
+      let(:parsed_geo_json) { JSON.parse(geo_json) }
+      let(:geo_json) { GeojsonService.to_json_polygon_for_selection_utilisateur(coordinates) }
+      let(:coordinates) { [[{ "lat" => 48.87442541960633, "lng" => 2.3859214782714844 }, { "lat" => 48.87273183590832, "lng" => 2.3850631713867183 }, { "lat" => 48.87081237174292, "lng" => 2.3809432983398438 }, { "lat" => 48.8712640169951, "lng" => 2.377510070800781 }, { "lat" => 48.87510283703279, "lng" => 2.3778533935546875 }, { "lat" => 48.87544154230615, "lng" => 2.382831573486328 }, { "lat" => 48.87442541960633, "lng" => 2.3859214782714844 }]] }
 
-      let(:champ_carte) { create(:champ_carte, value: coordinates.to_json, geo_areas: [geo_area]) }
-      let(:champ) { champ_carte }
-
-      context 'legacy champ user_geometry' do
-        let(:champ) { champ_carte.user_geo_area }
-
-        it {
-          expect(subject).to include(
+      let(:serialized_champ) {
+        {
           type_de_champ: {
-              descripton: "",
-              id: -1,
-              libelle: "user geometry",
-              order_place: -1,
-              type_champ: "user_geometry"
+            description: serialized_description,
+            id: serialized_id,
+            libelle: serialized_libelle,
+            order_place: serialized_order_place,
+            type_champ: serialized_type_champ
           },
-            value: champ_carte.user_geometry
-          )
+          geo_areas: serialized_geo_areas,
+          value: geo_json
+        }.compact
       }
+      let(:serialized_id) { -1 }
+      let(:serialized_description) { "" }
+      let(:serialized_order_place) { -1 }
+      let(:serialized_geo_areas) { nil }
+
+      context 'and geo_area is selection_utilisateur' do
+        context 'old_api' do
+          let(:serialized_libelle) { "user geometry" }
+          let(:serialized_type_champ) { "user_geometry" }
+
+          let(:serializable_object) { champ.user_geo_area }
+
+          context 'when value is coordinates' do
+            let(:value) { coordinates.to_json }
+
+            it { expect(subject).to eq(serialized_champ) }
+          end
+
+          context 'when value is geojson' do
+            let(:value) { geo_json }
+
+            it { expect(subject).to eq(serialized_champ) }
+          end
+        end
+
+        context 'new_api' do
+          let(:geo_area) { nil }
+          let(:serialized_geo_areas) { [] }
+          let(:serialized_id) { champ.type_de_champ.stable_id }
+          let(:serialized_description) { champ.description }
+          let(:serialized_order_place) { champ.order_place }
+          let(:serialized_libelle) { champ.libelle }
+          let(:serialized_type_champ) { champ.type_champ }
+
+          context 'when value is coordinates' do
+            let(:value) { coordinates.to_json }
+
+            it { expect(subject).to eq(serialized_champ) }
+          end
+
+          context 'when value is geojson' do
+            let(:value) { geo_json }
+
+            it { expect(subject).to eq(serialized_champ) }
+          end
+        end
       end
 
       context 'and geo_area is cadastre' do
+        context 'new_api' do
           it {
             expect(subject[:geo_areas].first).to include(
               source: GeoArea.sources.fetch(:cadastre),
+              geometry: parsed_geo_json,
               numero: '42',
               feuille: 'A11'
             )
@@ -54,18 +102,38 @@ describe ChampSerializer do
           }
         end
 
-      context 'and geo_area is quartier_prioritaire' do
-        let(:geo_area) { create(:geo_area, :quartier_prioritaire) }
+        context 'old_api' do
+          let(:serializable_object) { champ.geo_areas.first }
+          let(:serialized_libelle) { "cadastre" }
+          let(:serialized_type_champ) { "cadastre" }
 
+          it { expect(subject).to eq(serialized_champ) }
+        end
+      end
+
+      context 'and geo_area is quartier_prioritaire' do
+        let(:geo_area) { create(:geo_area, :quartier_prioritaire, geometry: parsed_geo_json) }
+
+        context 'new_api' do
           it {
             expect(subject[:geo_areas].first).to include(
               source: GeoArea.sources.fetch(:quartier_prioritaire),
+              geometry: parsed_geo_json,
               nom: 'XYZ',
               commune: 'Paris'
             )
             expect(subject[:geo_areas].first.key?(:numero)).to be_falsey
           }
         end
+
+        context 'old_api' do
+          let(:serializable_object) { champ.geo_areas.first }
+          let(:serialized_libelle) { "quartier prioritaire" }
+          let(:serialized_type_champ) { "quartier_prioritaire" }
+
+          it { expect(subject).to eq(serialized_champ) }
+        end
+      end
     end
 
     context 'when type champ is siret' do