What are fixtures in Playwright Test, and why are they useful?

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Fixtures in Playwright Test are reusable components that help set up and manage the test environment. They provide a clean, consistent way to prepare data, launch browsers, manage state, and clean up after tests. Fixtures improve test reliability, reduce duplication, and promote modular, maintainable test code.

What Do Fixtures Do?

Fixtures are functions or values that:

  • Run before a test starts (setup).

  • Provide shared resources (e.g., a browser context, login state).

  • Can automatically tear down after tests (cleanup).

  • Are scoped per test, per file, or globally.

Here, page is a built-in fixture that provides a new browser page for the test.

Why Are Fixtures Useful?

  1. Reusability: Write setup logic once and reuse across multiple tests.

  2. Isolation: Each test can get a clean, isolated context.

  3. Customization: Create your own fixtures for things like logged-in sessions, API tokens, or test data.

  4. Flexibility: Fixtures can depend on each other and be scoped to run once per test or suite.

Fixtures make Playwright Test powerful and highly maintainable for complex testing scenarios.

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