rework JSONPathColumn to be a ChampColumn

spec/models/columns/json_path_column_spec.rb

@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+describe Columns::JSONPathColumn do
+  let(:procedure) { create(:procedure, types_de_champ_public: [{ type: :address }]) }
+  let(:dossier) { create(:dossier, procedure:) }
+  let(:champ) { dossier.champs.first }
+  let(:stable_id) { champ.stable_id }
+  let(:column) { described_class.new(procedure_id: procedure.id, label: 'label', stable_id:, jsonpath:, displayable: true) }
+
+  describe '#value' do
+    let(:jsonpath) { '$.city_name' }
+
+    subject { column.value(champ) }
+
+    context 'when champ has value_json' do
+      before { champ.update(value_json: { city_name: 'Grenoble' }) }
+
+      it { is_expected.to eq('Grenoble') }
+    end
+
+    context 'when champ has no value_json' do
+      it { is_expected.to be_nil }
+    end
+  end
+
+  describe '#filtered_ids' do
+    let(:jsonpath) { '$.city_name' }
+
+    subject { column.filtered_ids(Dossier.all, ['reno', 'Lyon']) }
+
+    context 'when champ has value_json' do
+      before { champ.update(value_json: { city_name: 'Grenoble' }) }
+
+      it { is_expected.to eq([dossier.id]) }
+    end
+
+    context 'when champ has no value_json' do
+      it { is_expected.to eq([]) }
+    end
+  end
+
+  describe '#initializer' do
+    let(:jsonpath) { %{$.'city_name} }
+
+    it { expect(column.jsonpath).to eq(%{$.''city_name}) }
+  end
+end