Implementing Cucumber with Playwright for BDD Testing

 

Implementing Cucumber with Playwright for BDD Testing

Cucumber is a popular tool for Behavior-Driven Development (BDD), allowing developers to write human-readable tests in Gherkin syntax. Playwright, on the other hand, is a modern testing framework for automating web applications. Integrating Cucumber with Playwright can enhance your test automation by combining BDD's clarity with Playwright's efficiency. Here’s a quick guide to setting up Cucumber with Playwright.  Playwright Automation Online Training,

Prerequisites:

Before starting, ensure Node.js is installed and create a new Node project:

bash

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npm init -y

Install necessary dependencies:

bash

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npm install playwright @cucumber/cucumber

You may also install tools like ts-node and typescript if you're using TypeScript.   Playwright Automation Training,

Setting Up Cucumber:

Create a features folder where your .feature files will live. A simple login test might look like this in login.feature:   Playwright with TypeScript Training,

gherkin

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Feature: User Login

 

  Scenario: Successful login with valid credentials

    Given the user is on the login page

    When they enter valid credentials

    Then they should be redirected to the dashboard

Writing Step Definitions:

Inside a steps folder, create a file like loginSteps.js for your step definitions. This is where you’ll map Gherkin steps to Playwright actions:   Playwright With Automation Training,

javascript

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const { Given, When, Then } = require('@cucumber/cucumber');

const { chromium } = require('playwright');

 

let browser, page;

 

Given('the user is on the login page', async () => {

  browser = await chromium.launch();

  page = await browser.newPage();

  await page.goto('https://example.com/login');

});

 

When('they enter valid credentials', async () => {

  await page.fill('#username', 'user');

  await page.fill('#password', 'pass');

  await page.click('#submit');

});

 

Then('they should be redirected to the dashboard', async () => {

  await page.waitForSelector('#dashboard');

  await browser.close();

});

Running Tests:

Finally, add a script in your package.json to run the tests:

json

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"scripts": {

  "test": "cucumber-js"

}

Now, running npm test will execute your Playwright tests using Cucumber’s BDD approach.   Playwright Course Online

Conclusion:

By combining Playwright's powerful automation with Cucumber’s BDD framework, you can write clearer, more maintainable tests that ensure your web applications work as expected while staying closely aligned with business requirements.

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