Creating a Custom Test Runner in Playwright
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At Quality Thought, we take pride in offering a job-oriented Playwright training program that goes beyond traditional classroom teaching. Our curriculum is designed and delivered by industry experts with real-world experience in automation testing and test automation frameworks. Here’s why Quality Thought stands out:
Live Intensive Internship Program: We provide a hands-on internship experience where students work on real-time projects under expert guidance.
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Creating a Custom Test Runner in Playwright
Playwright is a powerful end-to-end testing framework, widely used for its speed, reliability, and support for modern web apps. While Playwright Test offers a robust test runner out of the box, there are scenarios where creating a custom test runner becomes essential — for instance, integrating with legacy systems, experimenting with new workflows, or enhancing reporting.
To build a custom test runner, begin by installing Playwright via npm and importing the core API:
js
const { chromium } = require('playwright');
Start by writing your own logic to launch a browser, open a context, and navigate to the test page:
js
(async () => {
const browser = await chromium.launch();
const context = await browser.newContext();
const page = await context.newPage();
try {
await page.goto('https://example.com');
const title = await page.title();
console.log(`Title is: ${title}`);
// Simple assertion
if (title !== 'Example Domain') {
throw new Error('Title does not match');
}
console.log('Test passed!');
} catch (err) {
console.error('Test failed:', err);
} finally {
await browser.close();
}
})();
This basic runner performs actions and validates outcomes without relying on test runners like Jest or Mocha. You can extend it with custom reporters, CLI arguments, parallel execution, or test discovery features.
Creating a custom runner gives you full control over execution, making it ideal for specialized use cases, CI/CD integration, or educational purposes. Playwright’s modular design makes this customization seamless and flexible.
Read More
How Playwright Works Behind the Scenes
Running Playwright Tests on Chrome, Firefox, and Safari
Cross-browser Testing with Playwright
Installing Playwright with VS Code
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