zeppelin-web/src/app/configuration/configuration.test.js

import template from './configuration.html';

describe('Controller: Configuration', function() {
  beforeEach(angular.mock.module('zeppelinWebApp'));

  let baseUrlSrvMock = {getRestApiBase: () => ''};

  let ctrl; // controller instance
  let $scope;
  let $compile;
  let $controller; // controller generator
  let $httpBackend;
  let ngToast;

  beforeEach(inject((_$controller_, _$rootScope_, _$compile_, _$httpBackend_, _ngToast_) => {
    $scope = _$rootScope_.$new();
    $compile = _$compile_;
    $controller = _$controller_;
    $httpBackend = _$httpBackend_;
    ngToast = _ngToast_;
  }));

  afterEach(function() {
    $httpBackend.verifyNoOutstandingExpectation();
    $httpBackend.verifyNoOutstandingRequest();
  });

  it('should get configuration initially', () => {
    const conf = {'conf1': 'value1'};
    ctrl = $controller('ConfigurationCtrl', {$scope: $scope, baseUrlSrv: baseUrlSrvMock});
    expect(ctrl).toBeDefined();

    $httpBackend
      .when('GET', '/configurations/all')
      .respond(200, {body: conf});
    $httpBackend.expectGET('/configurations/all');
    $httpBackend.flush();

    expect($scope.configurations).toEqual(conf); // scope is updated after $httpBackend.flush()
  });

  it('should display ngToast when failed to get configuration properly', () => {
    ctrl = $controller('ConfigurationCtrl', {$scope: $scope, baseUrlSrv: baseUrlSrvMock});
    spyOn(ngToast, 'danger');

    $httpBackend.when('GET', '/configurations/all').respond(401, {});
    $httpBackend.expectGET('/configurations/all');
    $httpBackend.flush();

    expect(ngToast.danger).toHaveBeenCalled();
  });

  it('should render list of configurations as the sorted order', () => {
    $scope.configurations = {
      'zeppelin.server.port': '8080',
      'zeppelin.server.addr': '0.0.0.0',
    };
    const elem = $compile(template)($scope);
    $scope.$digest();
    const tbody = elem.find('tbody');
    const tds = tbody.find('td');

    // should be sorted
    expect(tds[0].innerText.trim()).toBe('zeppelin.server.addr');
    expect(tds[1].innerText.trim()).toBe('0.0.0.0');
    expect(tds[2].innerText.trim()).toBe('zeppelin.server.port');
    expect(tds[3].innerText.trim()).toBe('8080');
  });
});