Unit Test : Add User Function Test

apps/signup/signup.test.js

@@ -0,0 +1,61 @@
+
+const { addUser } = require('./signup');
+const fetchMock = require('fetch-mock');
+
+
+global.window.alert = jest.fn();
+
+describe('addUser function tests', () => {
+  beforeEach(() => {
+
+    fetchMock.restore();
+  });
+
+  it('should alert if email is invalid', () => {
+    document.getElementById = jest.fn().mockReturnValue({ value: 'invalid_email' });
+    addUser();
+    expect(window.alert).toHaveBeenCalledWith('Please enter a valid email');
+  });
+
+  it('should send correct data for admin user type', async () => {
+    document.getElementById = jest.fn()
+      .mockReturnValueOnce({ value: '[email protected]' }) 
+      .mockReturnValueOnce({ value: 'filters' }) 
+      .mockReturnValueOnce({ selectedIndex: 2 }); 
+
+    fetchMock.post('../../data/User/post', 200); 
+
+    await addUser();
+
+    expect(fetchMock.lastOptions('../../data/User/post').body).toEqual(JSON.stringify({
+      email: '[email protected]',
+      userType: 'Admin',
+      userFilter: 'filters'
+    }));
+    expect(window.alert).toHaveBeenCalledWith('User registered successfully');
+  });
+
+  it('should send correct data for non-admin user type with permission', async () => {
+    document.getElementById = jest.fn()
+      .mockReturnValueOnce({ value: '[email protected]' }) 
+      .mockReturnValueOnce({ value: 'filters' }) 
+      .mockReturnValueOnce({ selectedIndex: 2 }); 
+
+
+    global.store = {
+      getUserPermissions: jest.fn().mockResolvedValue({ user: { post: true } })
+    };
+
+    fetchMock.post('../../data/User/post', 200); 
+
+    await addUser();
+
+    expect(fetchMock.lastOptions('../../data/User/post').body).toEqual(JSON.stringify({
+      email: '[email protected]',
+      userType: 'Editor',
+      userFilter: 'filters'
+    }));
+    expect(window.alert).toHaveBeenCalledWith('User registered successfully');
+  });
+
+});