Add permissions example (kriasoft#64)

koistya · web-flow · commit 1776254af8f5 · 2017-09-05T21:34:27.000+03:00
diff --git a/src/Context.js b/src/Context.js
@@ -122,6 +122,14 @@ class Context {
       .select('comments.id', db.raw('count(comment_points.comment_id)'))
       .then(mapToValues(keys, x => x.id, x => x.count)),
   );
+
+  /*
+   * Authenticatinon and permissions.
+   */
+
+  ensureIsAuthenticated() {
+    if (!this.user) throw new Error('Anonymous access is denied.');
+  }
 }
 
 export default Context;
diff --git a/src/__tests__/Context.js b/src/__tests__/Context.js
@@ -0,0 +1,21 @@
+/**
+ * Node.js API Starter Kit (https://reactstarter.com/nodejs)
+ *
+ * Copyright © 2016-present Kriasoft, LLC. All rights reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE.txt file in the root directory of this source tree.
+ */
+
+/* eslint-env jest */
+
+import Context from '../Context';
+
+describe('Context', () => {
+  test('ensureIsAuthenticated()', () => {
+    const ctx1 = new Context({ user: null });
+    const ctx2 = new Context({ user: {} });
+    expect(() => ctx1.ensureIsAuthenticated()).toThrow();
+    expect(() => ctx2.ensureIsAuthenticated()).not.toThrow();
+  });
+});
