Learning Redux

Synchronous action creators

We start by writing tests for our synchronous action creators. Remember: action creators are functions which return action objects. To test them, we need to call the action creator and check if it returns the expected action object.

We are going to implement tests for the filter action creators, as they are the only synchronous ones in our application:

1. Create a new directory, which will contain all action creator related tests: __tests__/actions/.
2. Create a new file: __tests__/actions/filter.test.js.
3. Import the filter related action creators and action types:

import { setFilter, clearFilter } from '../../src/actions'import { SET_FILTER, CLEAR_FILTER } from '../../src/actionTypes'

4. We start by writing the test ...