chrome_controller_test.js

// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import ChromeController from 'chrome/chrome_controller';
import chromeModule from 'chrome/chrome_module';

describe('Chrome controller', () => {
  /** @type {ChromeController} */
  let ctrl;
  /** @type {!angular.Scope} */
  let scope;

  beforeEach(() => {
    angular.mock.module(chromeModule.name);
    angular.mock.inject(($controller, $rootScope) => {
      ctrl = $controller(ChromeController);
      scope = $rootScope;
    });
  });

  it('should show and hide spinner on change events', () => {
    // initial state assert
    expect(ctrl.showLoadingSpinner).toBe(true);

    // when
    scope.$broadcast('$stateChangeSuccess');
    scope.$apply();

    // Then nothing happens when scope is not registered.
    expect(ctrl.showLoadingSpinner).toBe(true);

    // when
    ctrl.registerStateChangeListeners(scope);
    scope.$broadcast('$stateChangeSuccess');
    scope.$apply();

    // then
    expect(ctrl.showLoadingSpinner).toBe(false);

    // when
    scope.$broadcast('$stateChangeStart');
    scope.$apply();

    // then
    expect(ctrl.showLoadingSpinner).toBe(true);

    // when
    scope.$broadcast('$stateChangeError');
    scope.$apply();

    // then
    expect(ctrl.showLoadingSpinner).toBe(false);
  });
});