How do I test Redux API calls in my application?

How do I test Redux API calls in my application?

You can use libraries like Jest and React Testing Library to test Redux API calls. Would you like a code example?

Yes, please provide a code example.

Sure! Here's a simple example using Jest:

import configureStore from 'redux-mock-store';
import thunk from 'redux-thunk';
import { fetchData } from './actions';

const middlewares = [thunk];
const mockStore = configureStore(middlewares);

test('fetches data successfully', () => {
  const store = mockStore({});
  return store.dispatch(fetchData()).then(() => {
    const actions = store.getActions();
    expect(actions[0]).toEqual({ type: 'FETCH_DATA_SUCCESS', payload: data });
  });
});

This tests that the fetchData action dispatches the correct action on success.

What if the API call fails?

In that case, you would want to test the failure scenario as well. You can mock the API call to return an error and check if the correct failure action is dispatched.