Convert `api/v1/preferences` controller spec to request spec (#27987)

spec/controllers/api/v1/preferences_controller_spec.rb

@@ -1,23 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe Api::V1::PreferencesController do
-  render_views
-
-  let(:user)    { Fabricate(:user) }
-  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'read:accounts') }
-  let(:account) { Fabricate(:account) }
-
-  before do
-    allow(controller).to receive(:doorkeeper_token) { token }
-  end
-
-  describe 'GET #index' do
-    it 'returns http success' do
-      get :index
-
-      expect(response).to have_http_status(200)
-    end
-  end
-end

spec/requests/api/v1/preferences_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'Preferences' do
+  let(:user)    { Fabricate(:user) }
+  let(:token)   { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
+
+  describe 'GET /api/v1/preferences' do
+    context 'when not authorized' do
+      it 'returns http unauthorized' do
+        get api_v1_preferences_path
+
+        expect(response)
+          .to have_http_status(401)
+      end
+    end
+
+    context 'with wrong scope' do
+      before do
+        get api_v1_preferences_path, headers: headers
+      end
+
+      it_behaves_like 'forbidden for wrong scope', 'write write:accounts'
+    end
+
+    context 'with correct scope' do
+      let(:scopes) { 'read:accounts' }
+
+      it 'returns http success' do
+        get api_v1_preferences_path, headers: headers
+
+        expect(response)
+          .to have_http_status(200)
+
+        expect(body_as_json)
+          .to be_present
+      end
+    end
+  end
+end