fix: fix duplicate mfe context calls and cookie set exc (#1103)

src/data/tests/cookies.test.js

@@ -0,0 +1,52 @@
+import { getConfig } from '@edx/frontend-platform';
+import Cookies from 'universal-cookie';
+
+import { setCookie } from '../utils';
+
+// Mock getConfig function
+jest.mock('@edx/frontend-platform', () => ({
+  getConfig: jest.fn(),
+}));
+
+// Mock Cookies class
+jest.mock('universal-cookie');
+
+describe('setCookie function', () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('should set a cookie with default options', () => {
+    getConfig.mockReturnValue({ SESSION_COOKIE_DOMAIN: 'example.com' });
+
+    setCookie('testCookie', 'testValue');
+
+    expect(Cookies).toHaveBeenCalled();
+    expect(Cookies).toHaveBeenCalledWith();
+    expect(Cookies.prototype.set).toHaveBeenCalledWith('testCookie', 'testValue', {
+      domain: 'example.com',
+      path: '/',
+    });
+  });
+
+  it('should set a cookie with specified expiry', () => {
+    getConfig.mockReturnValue({ SESSION_COOKIE_DOMAIN: 'example.com' });
+
+    const expiry = new Date('2023-12-31');
+    setCookie('testCookie', 'testValue', expiry);
+
+    expect(Cookies).toHaveBeenCalled();
+    expect(Cookies).toHaveBeenCalledWith();
+    expect(Cookies.prototype.set).toHaveBeenCalledWith('testCookie', 'testValue', {
+      domain: 'example.com',
+      path: '/',
+      expires: expiry,
+    });
+  });
+
+  it('should not set a cookie if cookieName is undefined', () => {
+    setCookie(undefined, 'testValue');
+
+    expect(Cookies).not.toHaveBeenCalled();
+  });
+});

src/data/utils/cookies.js

@@ -2,10 +2,12 @@ import { getConfig } from '@edx/frontend-platform';
 import Cookies from 'universal-cookie';
 
 export default function setCookie(cookieName, cookieValue, cookieExpiry) {
-  const cookies = new Cookies();
-  const options = { domain: getConfig().SESSION_COOKIE_DOMAIN, path: '/' };
-  if (cookieExpiry) {
-    options.expires = cookieExpiry;
+  if (cookieName) { // To avoid setting getting exception when setting cookie with undefined names.
+    const cookies = new Cookies();
+    const options = { domain: getConfig().SESSION_COOKIE_DOMAIN, path: '/' };
+    if (cookieExpiry) {
+      options.expires = cookieExpiry;
+    }
+    cookies.set(cookieName, cookieValue, options);
   }
-  cookies.set(cookieName, cookieValue, options);
 }