Overview

Vitest Fetch Mock is an essential tool for developers looking to streamline their testing process when working with HTTP requests in JavaScript. Tailored specifically for use with Vitest, this library allows you to easily mock fetch calls, making it simpler to replicate various server responses without relying on external libraries. Its compatibility with modern runtimes ensures that testing with it is both efficient and straightforward, enhancing your overall productivity during the development phase.

The library has evolved from its predecessor, jest-fetch-mock, offering a more integrated and seamless experience. With a focus on ease of setup, developers can leverage Vitest's built-in mocking capabilities to create accurate and effective tests. Whether you're setting up mocks for all tests or managing individual cases, Vitest Fetch Mock provides the flexibility to suit your testing needs while maintaining code clarity.

Features

Easy Setup: Integrate quickly with Vitest by simply creating a fetchMock function without the need for complex configurations.
Global Fetch Mocking: Automatically mocks the global Fetch method, making it compatible with all modern browsers and runtimes.
Versatile Mocking Options: Mock individual fetch calls or entire fetch sequences with just a few lines of code.
Support for Multiple Responses: Easily handle scenarios where different fetch calls return varied responses, enhancing test coverage.
Resetting Mocks: Utilize built-in functions to reset mocks between tests, ensuring clean test states and reducing potential interferences.
Inspection of Mock State: Leverage the fetch.mock method to inspect and assert the state of each fetch call during your tests.
Compatibility Assurance: Designed to work seamlessly with Vitest version 2 and Node.js 18 and above, ensuring a robust experience for modern development environments.

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Vitest Fetch Mock