saga.test.js

import { takeEvery } from 'redux-saga/effects';
import rootSaga, { watchSagaFunc } from './saga';

it('Test the watchSagaFunc fork function inside rootSaga func', () => {
  const rootS = rootSaga();
  //Get the particular statement value
  const rootNextVal = rootS.next().value;
  //Test for takeEvery function inside watchSagaFunc
  expect(rootNextVal).toEqual(takeEvery('TEST_FUNCTION',watchSagaFunc));
});