Mock Service Worker

About

Mock Service Worker is a mocking app for HTTP request that:

• intercepts requests at the network layer
• and returns data as simple objects via mock handlers defined in a file.

You can write everything as if it was communicating with a backend service.

Advantage

• It does not require to write application or test code
• You can have API calls return bad data for unhappy path testing, particular data for layout testing, etc.