| |
| import { sortAndGroupMessages } from '../group-messages'; |
|
|
| |
| type Message = Object; |
|
|
| |
| const FIRST_JAN = 1483225200000; |
|
|
| const createMessage = ({ |
| timestamp, |
| body, |
| authorId, |
| id, |
| }: { |
| timestamp?: Date, |
| body?: string, |
| authorId?: string, |
| id?: string | number, |
| }): Message => ({ |
| id: id || 'whatever', |
| timestamp: timestamp || new Date(FIRST_JAN), |
| content: { |
| body: body || 'Hey', |
| }, |
| author: { |
| user: { |
| id: authorId || 'asdf123', |
| }, |
| }, |
| messageType: 'text', |
| }); |
|
|
| const filterRobo = messageGroups => |
| messageGroups.filter(group => group[0].author.user.id !== 'robo'); |
|
|
| it('should sort messages by timestamp', () => { |
| const one = createMessage({ |
| timestamp: new Date(FIRST_JAN - 10000), |
| body: 'First', |
| }); |
| const two = createMessage({ |
| timestamp: new Date(FIRST_JAN), |
| body: 'Second', |
| }); |
| const messages = [two, one]; |
|
|
| expect(filterRobo(sortAndGroupMessages(messages))).toEqual([[one, two]]); |
| }); |
|
|
| it('should group messages by author', () => { |
| const one = createMessage({ |
| authorId: 'first', |
| }); |
| const two = createMessage({ |
| authorId: 'first', |
| }); |
| const three = createMessage({ |
| authorId: 'second', |
| }); |
| const four = createMessage({ |
| authorId: 'first', |
| }); |
|
|
| const messages = [one, two, three, four]; |
|
|
| expect(filterRobo(sortAndGroupMessages(messages))).toEqual([ |
| [one, two], |
| [three], |
| [four], |
| ]); |
| }); |
|
|
| it('should add a timestamp above the first message', () => { |
| const timestamp = new Date(FIRST_JAN); |
| const messages = [createMessage({ timestamp })]; |
|
|
| expect(sortAndGroupMessages(messages)).toMatchSnapshot(); |
| }); |
|
|
| const SEVEN_HOURS = 25200000; |
| it("should add a timestamp between two messages if there's more than six hours between them", () => { |
| const first = createMessage({ |
| timestamp: new Date(FIRST_JAN), |
| }); |
| const second = createMessage({ |
| timestamp: new Date(FIRST_JAN + SEVEN_HOURS), |
| }); |
|
|
| const messages = [first, second]; |
|
|
| const result = sortAndGroupMessages(messages); |
|
|
| |
| expect(result).toHaveLength(4); |
| |
| expect(result[2][0].author.user.id).toEqual('robo'); |
| }); |
|
|
