Sagas test v1

basketSagas.test.v1.js

/* eslint-disable max-lines */
import {
  addToBasketRequest,
  addToBasketSuccess,
  addToBasketFailure,
  removeOverlay,
  refreshNumberBasketItemsRequest,
  refreshNumberBasketItemsSuccess,
} from 'hoc/containers/Config/actions';
import rootSaga from '..';
import { mockUserStateResponse } from 'mockData';
import configReducer, { initialState as configInitialState } from 'hoc/containers/Config/reducer';
import { MAGENTO_ADDRESS } from '@env';
import { call } from 'redux-saga/effects';
import { delay } from 'redux-saga';
import { expectSaga } from 'redux-saga-test-plan';
import { throwError } from 'redux-saga-test-plan/providers';
import * as matchers from 'redux-saga-test-plan/matchers';
import { Vibration } from 'react-native';

jest.mock('react-native-cookies', () => {});

const mockSuccessFetch = jest.fn();

global.fetch = mockSuccessFetch;
const sku = 'BEDROS008BLU-UK';

/* eslint-disable max-lines-per-function */
describe('addToBasketRequestSaga', () => {
  it('should request an item be added to the basket and update basketQuantity', () => {
    const finalState = { ...configInitialState };
    return (
      expectSaga(rootSaga)
        // Setup mocks
        .provide([
          [call(global.fetch, `${MAGENTO_ADDRESS}/checkout/cart/add/product/${sku}`)],
          [matchers.call.fn(Vibration.vibrate)],
          [matchers.call.fn(delay)],
          [
            call(global.fetch, `${MAGENTO_ADDRESS}/ajaxcalls/customerState`),
            { json: () => mockUserStateResponse },
          ],
        ])
        // Setup reducer with initial state
        .withReducer(configReducer, configInitialState)
        // Dispatch initial action
        .dispatch(addToBasketRequest(sku))
        // Check that expected stuff has happened (order doesn't matter)
        .call(global.fetch, `${MAGENTO_ADDRESS}/checkout/cart/add/product/${sku}`)
        .put(addToBasketSuccess())
        .call(Vibration.vibrate, 1000)
        .call(delay, 1000)
        .put(removeOverlay())
        .put(refreshNumberBasketItemsRequest())
        .call(global.fetch, `${MAGENTO_ADDRESS}/ajaxcalls/customerState`)
        .put(refreshNumberBasketItemsSuccess(1))
        // Check final state
        .hasFinalState(finalState)
        .run()
    );
  });

  it('should request an item be added to the basket and deal with failure', () =>
    expectSaga(rootSaga)
      // Setup mocks
      .provide([
        [
          call(global.fetch, `${MAGENTO_ADDRESS}/checkout/cart/add/product/${sku}`),
          throwError('400'),
        ],
        [matchers.call.fn(Vibration.vibrate)],
        [matchers.call.fn(delay)],
      ])
      // Setup reducer with initial state
      .withReducer(configReducer, configInitialState)
      // Dispatch initial action
      .dispatch(addToBasketRequest(sku))
      // Check that expected stuff has happened (order doesn't matter)
      .call(global.fetch, `${MAGENTO_ADDRESS}/checkout/cart/add/product/${sku}`)
      .put(addToBasketFailure())
      .call(delay, 1000)
      .put(removeOverlay())
      // Check final state
      .hasFinalState(configInitialState)
      .run());
});