feat(api particulier): add DGFiP adapter

spec/lib/api_particulier/dgfip_adapter_spec.rb

@@ -0,0 +1,79 @@
+describe APIParticulier::DgfipAdapter do
+  let(:adapter) { described_class.new(api_particulier_token, numero_fiscal, reference_avis, requested_sources) }
+
+  before { stub_const('API_PARTICULIER_URL', 'https://particulier.api.gouv.fr/api') }
+
+  describe '#to_params' do
+    let(:api_particulier_token) { '29eb50b65f64e8e00c0847a8bbcbd150e1f847' }
+    let(:numero_fiscal) { '2097699999077' }
+    let(:reference_avis) { '2097699999077' }
+
+    subject { VCR.use_cassette(cassette) { adapter.to_params } }
+
+    context 'when the api answer is valid' do
+      let(:cassette) { 'api_particulier/success/avis_imposition' }
+
+      context 'when the token has all the  dgfip scopes' do
+        context 'and all the sources are requested' do
+          let(:requested_sources) do
+            {
+              'dgfip' => {
+                'avis_imposition' => [
+                  { 'declarant1' => ['dateNaissance', 'nom', 'nomNaissance', 'prenoms'] },
+                  { 'declarant2' => ['dateNaissance', 'nom', 'nomNaissance', 'prenoms'] },
+                  'anneeImpots',
+                  'anneeRevenus',
+                  'dateEtablissement',
+                  'dateRecouvrement',
+                  'erreurCorrectif',
+                  'impotRevenuNetAvantCorrections',
+                  'montantImpot',
+                  'nombreParts',
+                  'nombrePersonnesCharge',
+                  'revenuBrutGlobal',
+                  'revenuFiscalReference',
+                  'revenuImposable',
+                  'situationFamille',
+                  'situationPartielle'
+                ],
+                'foyer_fiscal' => ['adresse', 'annee']
+              }
+            }
+          end
+
+          let(:result) { JSON.parse(File.read('spec/fixtures/files/api_particulier/avis_imposition.json')) }
+
+          it { is_expected.to eq(result) }
+        end
+
+        context 'when no sources is requested' do
+          let(:requested_sources) { {} }
+
+          it { is_expected.to eq({}) }
+        end
+
+        context 'when a declarer name is requested' do
+          let(:requested_sources) { { 'dgfip' => { 'avis_imposition' => [{ 'declarant1' => ['nom'] }] } } }
+
+          it { is_expected.to eq('avis_imposition' => { 'declarant1' => { 'nom' => 'FERRI' } }) }
+        end
+
+        context 'when a revenue is requested' do
+          let(:requested_sources) { { 'dgfip' => { 'avis_imposition' => ['revenuBrutGlobal'] } } }
+
+          it { is_expected.to eq('avis_imposition' => { 'revenuBrutGlobal' => 38814 }) }
+        end
+      end
+    end
+
+    context 'when the api answer is invalid' do
+      let(:cassette) { 'api_particulier/success/avis_imposition_invalid' }
+
+      context 'when no sources is requested' do
+        let(:requested_sources) { {} }
+
+        it { expect { subject }.to raise_error(APIParticulier::DgfipAdapter::InvalidSchemaError) }
+      end
+    end
+  end
+end