Playwright Course Online | Playwright Automation Online Training (1)

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Page Object Model with Playwright
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Page Object Model (POM) is a design pattern
widely used in test automation to enhance the
maintainability and readability of automation
code. The primary goal of POM is to abstract the
UI elements and the interactions with those
elements on a web page. This design pattern
separates the test logic from the page structure,
making it easier to update the test code when the
UI changes.
Here's how you can implement a basic Page Object
Model in Playwright 1. Page Objects - Create a
separate file for each page or component you want
to interact with.
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- Each file should contain a class representing
that page or component. javascript //
pages/LoginPage.js class LoginPage
constructor(page) this.page page
async navigate() await this.page.goto('https
//example.com/login')
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async login(username, password) await
this.page.fill('username', username) await
this.page.fill('password', password) await
this.page.click('loginButton')
module.exports LoginPage 2. Test
Script - Write your test script using the Page
Objects. javascript
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const chromium require('playwright') const
LoginPage require('./pages/LoginPage') (async
() gt const browser await
chromium.launch() const context await
browser.newContext() const page await
context.newPage() const loginPage new
LoginPage(page) // Navigate to the login page
await loginPage.navigate()
// Perform login await loginPage.login('your_us
ername', 'your_password')
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// Other test steps... await
browser.close() )() Benefits of Using POM
in Playwright 1. Modularity - Page Objects
encapsulate the logic for interacting with a
specific page or component. - This makes the
code modular and easy to maintain.
2. Readability
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- Tests become more readable and less prone to
errors as the details of page structure and
interaction are abstracted into methods of Page
Objects. 3. Reusability - Page Objects can be
reused across multiple tests. If there's a change
in the UI, you only need to update the
corresponding Page Object, not every test.
4. Maintainability - When there are changes to
the UI, you only need to update the affected Page
Objects. - Tests remain relatively unchanged,
reducing maintenance effort. By implementing the
Page Object Model in Playwright, you can create
more robust and maintainable automation scripts.
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