Test failed

error

messages module
  messages reducer
    √ should handle ROOM_MESSAGES_SUCCESS
    1) should handle ROOM_MESSAGES_BEFORE_SUCCESS


1 passing (495ms)
1 failing

1) messages module messages reducer should handle ROOM_MESSAGES_BEFORE_SUCCESS:

    Error: Expected { entities: 
      { message1: { 
        id: 'message1', text: 'Hi @suprememoocow !' 
      }, 
      message2: { 
        id: 'message2', text: 'Hi @suprememoocow !' 
      } 
    }, error: false, errors: [], isFetching: false, 
    messagesByRoom: { 
      room1: [ 'message2' ] } 
    } to equal { entities: 
      { message1: { 
        id: 'message1', text: 'Hi @suprememoocow !' 
      }, 
      message2: { 
        id: 'message2', text: 'Hi @suprememoocow !' 
      } }, error: false, errors: [], isFetching: false, 
      messagesByRoom: { room1: [ 'message1', 'message2' ] } }
    + expected - actual

       "errors": []
       "isFetching": false
       "messagesByRoom": {
         "room1": [
    +      "message1"
           "message2"
         ]
       }
     }

reducer.js

export default function messages(state = {
  isFetching: false,
  error: false,
  messagesByRoom: {},
  entities: {},
  errors: []
}, action) {
  switch (action.type) {
    case ROOM_MESSAGES_BEFORE_SUCCESS:
    {
      const {lastMessageId, response, roomId} = action.payload
      const normalized = normalize(response)
      const roomIds = state.messagesByRoom[[roomId]]
      return {
        ...state,
        isFetching: false,
        error: false,
        messagesByRoom: {
          ...state.messagesByRoom,
          [roomId]: _.merge(roomIds, normalized.ids)
        },
        entities: _.merge(state.entities, normalized.entities)
      }
    }
    default:
      return state
  }
}

reducer.spec.js

import expect from 'expect'
import _ from 'lodash'
import * as messages  from '../../app/modules/messages'

describe('messages module', () => {

  describe('messages reducer', () => {
    const initialState = {
      isFetching: false,
      error: false,
      messagesByRoom: {},
      entities: {},
      errors: []
    }

    const stateBefore = _.merge(initialState, {
      messagesByRoom: {
        'room1': ["message1"]
      },
      entities: {
        "message1": {
          "id": "message1",
          "text": "Hi @suprememoocow !",
        }
      }
    })
    const roomId = 'room1'

    const testData = [{
      "id": "message1",
      "text": "Hi @suprememoocow !",
    }]
    const testData2 = [{
      "id": "message2",
      "text": "Hi @suprememoocow !",
    }]

    const lastMessageId = 'message1'

    it('should handle ROOM_MESSAGES_BEFORE_SUCCESS', () => {

      expect(
        messages.default(stateBefore, {
          type: messages.ROOM_MESSAGES_BEFORE_SUCCESS,
          payload: {response: testData2, roomId, lastMessageId}
        })
      ).toEqual(_.merge(initialState, {
          messagesByRoom: {
            'room1': ["message1", "message2"]
          },
          entities: {
            "message1": {
              "id": "message1",
              "text": "Hi @suprememoocow !",
            },
            "message2": {
              "id": "message2",
              "text": "Hi @suprememoocow !",
            }
          }
      }))
    })
  })
})