text: /*
   * Copyright 2020 American Express Travel Related Services Company, Inc.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
   * or implied. See the License for the specific language governing
   * permissions and limitations under the License.
   */
  
  import { fromJS } from 'immutable';
  import { ImmutableCache } from 'fetchye-immutable-cache';
  import OneCache, { oneCacheSelector } from '../src/OneCache';
  
  jest.mock('fetchye-immutable-cache', () => ({
    ImmutableCache: jest.fn(),
  }));
  
  describe('oneCache', () => {
    it('uses ImmutableCache', () => {
      OneCache();
      expect(ImmutableCache).toHaveBeenCalledWith({
        cacheSelector: oneCacheSelector,
      });
    });
  
    it('throws when cacheSelector provided', () => {
      expect(() => OneCache({ cacheSelector: 'some-selector' })).toThrowErrorMatchingSnapshot();
    });
  
    describe('oneCacheSelector', () => {
      it('uses root module name to select state', () => {
        const rootModuleName = 'some-root-modules-name';
        const state = fromJS({
          config: { rootModuleName },
          modules: {
            [rootModuleName]: { fetchye: 'fetchye-cache' },
          },
        });
        const fetchyeState = oneCacheSelector(state);
        expect(fetchyeState).toEqual('fetchye-cache');
      });
    });
  });
  