Example test

Added an example test that queries /admin/notification/all and checks if the response returns a list of notifications.

Since we don't have a real database, we overwrite (mock) NotificationModel to just return some fake data, otherwise the test would crash.

package.json

@@ -25,6 +25,7 @@
     "test:api-unit": "jest \"server/.*.spec.js\" --verbose",
     "test:api-unit:themes": "jest \"server/.*.spec.js\" -t \"theme bundle\" --verbose",
     "test:api-unit:css": "jest \"server/.*.spec.js\" -t \"Get CSS\" --verbose",
+    "test:api-unit:notifications": "jest \"server/.*.spec.js\" -t \"Notifications\" --verbose",
     "test:coverage": "jest --coverage --silent --runInBand",
     "test:dev": "jest --verbose --watch",
     "test:basic": "jest tests/markdown/basic.test.js --verbose",

server/admin.api.spec.js

@@ -0,0 +1,30 @@
+const supertest = require('supertest');
+
+// Mimic https responses to avoid being redirected all the time
+const app = supertest.agent(require('app.js').app)
+	.set('X-Forwarded-Proto', 'https');
+
+const NotificationModel = require('./notifications.model.js').model;
+
+// Mock the NotificationModel
+jest.mock('./notifications.model.js');
+
+describe('Tests for admin api', () => {
+	afterEach(() => {
+			jest.resetAllMocks();
+	});
+
+	describe('Notifications', () => {
+		it('should return list of all notifications', async () => {
+			const fakeNotifications = ["a", "b"];
+			NotificationModel.getAll.mockResolvedValue(fakeNotifications);
+
+			const response = await app
+				.get('/admin/notification/all')
+				.set('Authorization', 'Basic ' + Buffer.from('admin:password3').toString('base64'));
+
+			expect(response.status).toBe(200);
+			expect(response.body).toEqual(fakeNotifications);
+		});
+	});
+});