What Problem Does POM Solve?

POM mainly helps with maintainability.

Contents

Let’s take an example.

Suppose you have:

Login Test
Checkout Test
Profile Test
Order Test
Payment Test

All these tests may require login.

Without POM, login-related locators and steps can be repeated.

With POM:

LoginPage
     ↓
login()
     ↓
Multiple Tests

The common login functionality can be reused.

This reduces unnecessary duplication.

Benefits of Page Object Model in Playwright

Instead of putting everything in one large test file, you can separate your application pages.

For example:

pages/
    LoginPage.ts
    HomePage.ts
    ProductPage.ts
    CartPage.ts

This makes the framework easier to understand.

Suppose five tests need to perform login.

Instead of repeating:

fill username
fill password
click login

you can simply call:

await loginPage.login(username, password);

The same method can be reused.

Applications change frequently.

A button locator may change.

A field may get a new ID.

A workflow may change.

When page-specific details are centralized in a page object, maintenance becomes easier.

A good test should mainly explain what is being tested.

For example:

await loginPage.login('testuser', 'password123');

await productPage.searchProduct('Laptop');

await productPage.addToCart();

This is easier to understand than having dozens of locator statements inside the test.

In a larger QA team, different people may work on different tests.

A common page-object structure gives the team a consistent way to organize automation code.