How to run tests in Playwright?

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IHUB Talent stands out as the best institute for Playwright Testing Training in Hyderabad, offering a comprehensive, hands-on learning experience that prepares you for a successful career in test automation. Playwright, a cutting-edge testing framework for web applications, has gained immense popularity for its ability to handle modern web apps with speed and reliability. Our training program ensures that students gain expertise in Playwright for automated testing using JavaScript, TypeScript, and Python.

The course is meticulously designed to cover all aspects of Playwright Testing, starting from the fundamentals to advanced concepts. Students will learn how to set up and use Playwright for end-to-end testing, explore browser automation, and work with advanced tools like Playwright Inspector. Practical training on integrating Playwright with CI/CD pipelines and various testing frameworks such as Mocha, Jest, and others ensures that students are well-prepared for real-world automation challenges.

In Playwright, you can locate elements using a variety of methods, similar to Selenium. Playwright supports several ways to find elements on a web page, including CSS selectors, XPath, and text-based selectors. Here’s an overview of the main techniques to locate elements in Playwright, with examples.

In Playwright, the method page .wait For Selector() plays an important role in waiting for an element to appear (or become visible) on the page before interacting with it. 

To run tests in Playwright, you need to set up Playwright and use its test runner (Playwright Test). Playwright is a powerful framework for end-to-end testing of web applications.

Here’s a step-by-step guide:

✅ 1. Install Playwright

If you haven’t already, create a project and install Playwright:

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npm init playwright@latest

This will:

Set up a basic project

Install dependencies

Create example tests

You can also install manually:

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npm install -D @playwright/test

npx playwright install

✅ 2. Write a Test File

Create a test file, e.g., example.spec.ts or example.spec.js:

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// example.spec.js

const { test, expect } = require('@playwright/test');

test('basic test', async ({ page }) => {

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

  const title = await page.title();

  expect(title).toBe('Example Domain');

});

✅ 3. Run the Tests

Use the following command:

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npx playwright test

This will automatically find all .spec.js, .spec.ts, .test.js, or .test.ts files and run them.

You can add --headed to run in visible browser mode:

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npx playwright test --headed

✅ 4. View Test Report

After running tests, view the report with:

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npx playwright show-report

✅ 5. Run Specific Tests or Files

Run a specific test file:

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npx playwright test tests/example.spec.js

Run tests with a keyword:

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npx playwright test -g "basic test"

Summary:

Install Playwright and set up tests.

Write test files using test and expect.

Run tests with npx playwright test.

Use the built-in report to analyze results.

Let me know if you want to run tests in specific browsers or CI!

Read More

What is expect() used for in tests?

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