text: // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
  // See LICENSE.txt for license information.
  
  import {ViewTypes} from '@constants';
  
  import channelReducer, {handleSetTempUploadFilesForPostDraft} from './channel';
  
  describe('Reducers.channel', () => {
      test('Initial state', () => {
          const initialState = {
              displayName: '',
              drafts: {},
              loading: false,
              refreshing: false,
              loadingPosts: {},
              lastGetPosts: {},
              retryFailed: false,
              loadMorePostsVisible: true,
              lastChannelViewTime: {},
              keepChannelIdAsUnread: null,
              unreadMessageCount: {},
          };
  
          const nextState = channelReducer(
              initialState,
              {
                  type: '',
                  data: {},
              },
          );
  
          expect(nextState).toEqual(initialState);
      });
  
      test('handleSetTempUploadFilesForPostDraft - should not throw error when state[action.channelId] is null', () => {
          const action = {
              channelId: 'channel-id',
              clientIds: [],
              rootId: null,
              type: ViewTypes.SET_TEMP_UPLOAD_FILES_FOR_POST_DRAFT,
          };
  
          const initialState = {
              [action.channelId]: null,
          };
  
          const expectedState = {
              [action.channelId]: {
                  files: [],
              },
          };
  
          expect(handleSetTempUploadFilesForPostDraft(initialState, action)).toEqual(expectedState);
      });
  });
  