import reduce, { _createServer, _deleteServer, _listServers, CREATE_SERVER, DELETE_SERVER, FETCH_SERVERS, } from '../../../src/servers/reducers/server'; import * as sinon from 'sinon'; describe('serverReducer', () => { const servers = { abc123: { id: 'abc123' }, def456: { id: 'def456' } }; const ServersServiceMock = { listServers: sinon.fake.returns(servers), createServer: sinon.fake(), deleteServer: sinon.fake(), }; describe('reduce', () => { it('returns servers when action is FETCH_SERVERS', () => expect(reduce({}, { type: FETCH_SERVERS, servers })).toEqual(servers) ); it('returns servers when action is DELETE_SERVER', () => expect(reduce({}, { type: DELETE_SERVER, servers })).toEqual(servers) ); it('adds server to list when action is CREATE_SERVER', () => { const server = { id: 'abc123' }; expect(reduce({}, { type: CREATE_SERVER, server })).toEqual({ [server.id]: server }) }); it('returns default when action is unknown', () => expect(reduce({}, { type: 'unknown' })).toEqual({}) ); }); describe('action creators', () => { beforeEach(() => { ServersServiceMock.listServers.resetHistory(); ServersServiceMock.createServer.resetHistory(); ServersServiceMock.deleteServer.resetHistory(); }); describe('listServers', () => { it('fetches servers and returns them as part of the action', () => { const result = _listServers(ServersServiceMock); expect(result).toEqual({ type: FETCH_SERVERS, servers }); expect(ServersServiceMock.listServers.callCount).toEqual(1); expect(ServersServiceMock.createServer.callCount).toEqual(0); expect(ServersServiceMock.deleteServer.callCount).toEqual(0); }); }); describe('createServer', () => { it('adds new server and then fetches servers again', () => { const serverToCreate = { id: 'abc123' }; const result = _createServer(ServersServiceMock, serverToCreate); expect(result).toEqual({ type: FETCH_SERVERS, servers }); expect(ServersServiceMock.listServers.callCount).toEqual(1); expect(ServersServiceMock.createServer.callCount).toEqual(1); expect(ServersServiceMock.createServer.firstCall.calledWith(serverToCreate)).toEqual(true); expect(ServersServiceMock.deleteServer.callCount).toEqual(0); }); }); describe('deleteServer', () => { it('deletes a server and then fetches servers again', () => { const serverToDelete = { id: 'abc123' }; const result = _deleteServer(ServersServiceMock, serverToDelete); expect(result).toEqual({ type: FETCH_SERVERS, servers }); expect(ServersServiceMock.listServers.callCount).toEqual(1); expect(ServersServiceMock.createServer.callCount).toEqual(0); expect(ServersServiceMock.deleteServer.callCount).toEqual(1); expect(ServersServiceMock.deleteServer.firstCall.calledWith(serverToDelete)).toEqual(true); }); }); }); });