Learn React Hooks

Testing the useDispatch Hook

Now that we have defined the StateContextWrapper, we can use it to test the useDispatch Hook.

Let's test the useDispatch Hook with the following steps:

1. Create a new src/hooks/useDispatch.test.js file.
2. Import the renderHook function, the StateContextWrapper component, and the useDispatch Hook:

import { renderHook } from '@testing-library/react-hooks'import { StateContextWrapper } from './testUtils'import useDispatch from './useDispatch'

3. Then, define the test function, passing the StateContextWrapper component to it:

test('should use dispatch', () => {    const { result } = renderHook(        () => useDispatch(),        { wrapper: StateContextWrapper }    )

4. Finally, check whether the result of the Dispatch Hook is a function (the ...