shlinkio / shlink-web-client

import { values } from 'ramda';

import reducer, {

  createServer,

  deleteServer,

  listServers,

  createServers,

  FETCH_SERVERS,

} from '../../../src/servers/reducers/server';

describe('serverReducer', () => {

  const servers = {

    abc123: { id: 'abc123' },

    def456: { id: 'def456' },

  };

  const expectedFetchServersResult = { type: FETCH_SERVERS, servers };

  const ServersServiceMock = {

    listServers: sinon.fake.returns(servers),

    createServer: sinon.fake(),

    deleteServer: sinon.fake(),

    createServers: sinon.fake(),

  };

  describe('reducer', () => {

    it('returns servers when action is FETCH_SERVERS', () =>

      expect(reducer({}, { type: FETCH_SERVERS, servers })).toEqual(servers));

    it('returns default when action is unknown', () =>

      expect(reducer({}, { type: 'unknown' })).toEqual({}));

  });

  describe('action creators', () => {

    beforeEach(() => {

      ServersServiceMock.listServers.resetHistory();

      ServersServiceMock.createServer.resetHistory();

      ServersServiceMock.deleteServer.resetHistory();

      ServersServiceMock.createServers.resetHistory();

    });

    describe('listServers', () => {

      it('fetches servers and returns them as part of the action', () => {

        const result = listServers(ServersServiceMock)();

        expect(result).toEqual(expectedFetchServersResult);

        expect(ServersServiceMock.listServers.calledOnce).toEqual(true);

        expect(ServersServiceMock.createServer.called).toEqual(false);

        expect(ServersServiceMock.deleteServer.called).toEqual(false);

        expect(ServersServiceMock.createServers.called).toEqual(false);

      });

    });

    describe('createServer', () => {

      it('adds new server and then fetches servers again', () => {

        const serverToCreate = { id: 'abc123' };

        expect(result).toEqual(expectedFetchServersResult);

        expect(ServersServiceMock.createServer.calledOnce).toEqual(true);

        expect(ServersServiceMock.createServer.firstCall.calledWith(serverToCreate)).toEqual(true);

        expect(ServersServiceMock.listServers.called).toEqual(false);

        expect(ServersServiceMock.deleteServer.called).toEqual(false);

        expect(ServersServiceMock.createServers.called).toEqual(false);

      });

    });

    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.called).toEqual(false);

        expect(ServersServiceMock.createServer.called).toEqual(false);

        expect(ServersServiceMock.createServers.called).toEqual(false);

        expect(ServersServiceMock.deleteServer.calledOnce).toEqual(true);

        expect(ServersServiceMock.deleteServer.firstCall.calledWith(serverToDelete)).toEqual(true);

      });

    });

    describe('createServer', () => {

      it('creates multiple servers and then fetches servers again', () => {

        const serversToCreate = values(servers);

        const result = createServers(ServersServiceMock, () => expectedFetchServersResult)(serversToCreate);

        expect(result).toEqual(expectedFetchServersResult);

        expect(ServersServiceMock.listServers.called).toEqual(false);

        expect(ServersServiceMock.createServer.called).toEqual(false);

        expect(ServersServiceMock.createServers.calledOnce).toEqual(true);

        expect(ServersServiceMock.createServers.firstCall.calledWith(serversToCreate)).toEqual(true);

        expect(ServersServiceMock.deleteServer.called).toEqual(false);

      });

    });

  });

});