Running Playwright Tests

Playwright is an open-source automation testing framework developed by Microsoft. It is used for web testing and supports multiple browsers like Chromium, Firefox, and WebKit. Playwright provides reliable and fast automation with built-in features such as parallel execution, network interception, and debugging tools. Running Playwright tests efficiently is crucial for effective automation.

Playwright Test Runner

The Playwright Test Runner is a powerful tool that helps execute and manage tests. It includes several key components:

• Test Files – Test files contain the actual test cases written using Playwright’s API. These files usually have a .spec.ts or .spec.js extension.
• Test Suites – A test suite is a collection of test cases grouped using the describe() function for better organization.
• Test Cases -Individual test cases are defined using the test() function. Each test performs actions and verifies expected results.
• Assertions – Assertions are used to validate the expected behavior of an application. Playwright provides built-in assertion methods like expect().
• Fixtures – Fixtures allow setting up reusable test environments, including authentication and browser context configurations.
• Reporters – Reporters generate test execution reports in different formats, such as HTML, JSON, and JUnit.

Running Tests in Different Modes

Headless Mode

By default, Playwright runs tests in headless mode, meaning no UI is displayed. This makes tests run faster and is ideal for CI/CD pipelines.

/> npx playwright test

Headed Mode

To run tests with a visible browser UI, use the --headed flag.

/> npx playwright test --headed

Debug Mode

For debugging purposes, Playwright provides a debug mode where the test execution pauses and allows inspection.

/> npx playwright test --debug

Running a Specific Test

To execute a specific test file, specify the file name.

/> npx playwright test example.spec.ts

Parallel Execution

Playwright runs tests in parallel by default. To control concurrency, use the --workers flag.

/> npx playwright test --workers=2

Generating Reports

Reports provide a summary of test execution. To generate an HTML report:

/> npx playwright test --reporter=html

 

Playwright Tutorials

• https://www.testingdocs.com/playwright-tutorials/