import { values } from 'ramda'; import each from 'jest-each'; import reducer, { createServer, deleteServer, listServers, createServers, FETCH_SERVERS, FETCH_SERVERS_START, } from '../../../src/servers/reducers/server'; describe('serverReducer', () => { const list = { abc123: { id: 'abc123' }, def456: { id: 'def456' }, }; const expectedFetchServersResult = { type: FETCH_SERVERS, list }; const ServersServiceMock = { listServers: jest.fn(() => list), createServer: jest.fn(), deleteServer: jest.fn(), createServers: jest.fn(), }; afterEach(jest.clearAllMocks); describe('reducer', () => { it('returns servers when action is FETCH_SERVERS', () => expect(reducer({}, { type: FETCH_SERVERS, list })).toEqual({ loading: false, list })); }); describe('action creators', () => { describe('listServers', () => { const axios = { get: jest.fn() }; const dispatch = jest.fn(); const NoListServersServiceMock = { ...ServersServiceMock, listServers: jest.fn(() => ({})) }; it('fetches servers from local storage when found', async () => { await listServers(ServersServiceMock, axios)()(dispatch); expect(dispatch).toHaveBeenCalledTimes(2); expect(dispatch).toHaveBeenNthCalledWith(1, { type: FETCH_SERVERS_START }); expect(dispatch).toHaveBeenNthCalledWith(2, expectedFetchServersResult); expect(ServersServiceMock.listServers).toHaveBeenCalledTimes(1); expect(ServersServiceMock.createServer).not.toHaveBeenCalled(); expect(ServersServiceMock.deleteServer).not.toHaveBeenCalled(); expect(ServersServiceMock.createServers).not.toHaveBeenCalled(); expect(axios.get).not.toHaveBeenCalled(); }); each([ [ Promise.resolve({ data: `[ { "id": "111", "name": "acel.me from servers.json", "url": "https://acel.me", "apiKey": "07fb8a96-8059-4094-a24c-80a7d5e7e9b0" }, { "id": "222", "name": "Local from servers.json", "url": "http://localhost:8000", "apiKey": "7a531c75-134e-4d5c-86e0-a71b7167b57a" } ]`, }), { 111: { id: '111', name: 'acel.me from servers.json', url: 'https://acel.me', apiKey: '07fb8a96-8059-4094-a24c-80a7d5e7e9b0', }, 222: { id: '222', name: 'Local from servers.json', url: 'http://localhost:8000', apiKey: '7a531c75-134e-4d5c-86e0-a71b7167b57a', }, }, ], [ Promise.resolve(''), {}], [ Promise.reject({}), {}], ]).it('tries to fetch servers from remote when not found locally', async (mockedValue, expectedList) => { axios.get.mockReturnValue(mockedValue); await listServers(NoListServersServiceMock, axios)()(dispatch); expect(dispatch).toHaveBeenCalledTimes(2); expect(dispatch).toHaveBeenNthCalledWith(1, { type: FETCH_SERVERS_START }); expect(dispatch).toHaveBeenNthCalledWith(2, { type: FETCH_SERVERS, list: expectedList }); expect(NoListServersServiceMock.listServers).toHaveBeenCalledTimes(1); expect(NoListServersServiceMock.createServer).not.toHaveBeenCalled(); expect(NoListServersServiceMock.deleteServer).not.toHaveBeenCalled(); expect(NoListServersServiceMock.createServers).toHaveBeenCalledTimes(1); expect(axios.get).toHaveBeenCalledTimes(1); }); }); describe('createServer', () => { it('adds new server and then fetches servers again', () => { const serverToCreate = { id: 'abc123' }; const result = createServer(ServersServiceMock, () => expectedFetchServersResult)(serverToCreate); expect(result).toEqual(expectedFetchServersResult); expect(ServersServiceMock.createServer).toHaveBeenCalledTimes(1); expect(ServersServiceMock.createServer).toHaveBeenCalledWith(serverToCreate); expect(ServersServiceMock.listServers).not.toHaveBeenCalled(); expect(ServersServiceMock.deleteServer).not.toHaveBeenCalled(); expect(ServersServiceMock.createServers).not.toHaveBeenCalled(); }); }); describe('deleteServer', () => { it('deletes a server and then fetches servers again', () => { const serverToDelete = { id: 'abc123' }; const result = deleteServer(ServersServiceMock, () => expectedFetchServersResult)(serverToDelete); expect(result).toEqual(expectedFetchServersResult); expect(ServersServiceMock.listServers).not.toHaveBeenCalled(); expect(ServersServiceMock.createServer).not.toHaveBeenCalled(); expect(ServersServiceMock.createServers).not.toHaveBeenCalled(); expect(ServersServiceMock.deleteServer).toHaveBeenCalledTimes(1); expect(ServersServiceMock.deleteServer).toHaveBeenCalledWith(serverToDelete); }); }); describe('createServer', () => { it('creates multiple servers and then fetches servers again', () => { const serversToCreate = values(list); const result = createServers(ServersServiceMock, () => expectedFetchServersResult)(serversToCreate); expect(result).toEqual(expectedFetchServersResult); expect(ServersServiceMock.listServers).not.toHaveBeenCalled(); expect(ServersServiceMock.createServer).not.toHaveBeenCalled(); expect(ServersServiceMock.createServers).toHaveBeenCalledTimes(1); expect(ServersServiceMock.createServers).toHaveBeenCalledWith(serversToCreate); expect(ServersServiceMock.deleteServer).not.toHaveBeenCalled(); }); }); }); });