close() API @mockyeah/server

mockyeah.close(callback)

callback (Function; optional) To be exceuted when closing completes. Passed an error as first argument if the closing fails. Also returns a promise.

Stops mockyeah Express server.

Also implicitly calls unwatch() to stop the file watching.

After all tests run, mockyeah.close() should be called to shutdown mockyeah's Express server. Failing to do so will result in EADDRINUSE exceptions. This is due to mockyeah attempting to start a server on an occupied port.