Mastering React Test-Driven Development

Updating sagas to reset or replay state

We've now updated the START_SHARING action object that is sent to Redux. Now, we need to update the sharing sagas to handle this change:

1. Open test/middleware/sharingSagas.test.js and add the following test to the end of the START_SHARING nested describe block:

it('puts an action of RESET if reset is true', async () => {  store.dispatch({ type: 'START_SHARING', reset: true });  await notifySocketOpened();  await sendSocketMessage({ type: 'UNKNOWN', id: 123 });  return expectRedux(store)    .toDispatchAnAction()    .matching({ type: 'RESET' });});

2. In src/middleware/sharingSagas.js, modify startSharing so that it reads the same as the following code block. Don't forget to add the new action parameter in the top ...