108 lines
4.5 KiB
JavaScript
108 lines
4.5 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
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/**
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* MCTRepresentationSpec. Created by vwoeltje on 11/6/14.
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*/
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define(
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["../../src/navigation/NavigationService"],
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function (NavigationService) {
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"use strict";
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describe("The navigation service", function () {
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var navigationService;
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beforeEach(function () {
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navigationService = new NavigationService();
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});
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it("stores navigation state", function () {
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var testObject = { someKey: 42 },
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otherObject = { someKey: "some value" };
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expect(navigationService.getNavigation())
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.toBeUndefined();
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navigationService.setNavigation(testObject);
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expect(navigationService.getNavigation())
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.toBe(testObject);
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expect(navigationService.getNavigation())
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.toBe(testObject);
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navigationService.setNavigation(otherObject);
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expect(navigationService.getNavigation())
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.toBe(otherObject);
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});
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it("notifies listeners on change", function () {
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var testObject = { someKey: 42 },
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callback = jasmine.createSpy("callback");
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navigationService.addListener(callback);
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expect(callback).not.toHaveBeenCalled();
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navigationService.setNavigation(testObject);
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expect(callback).toHaveBeenCalledWith(testObject);
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});
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it("does not notify listeners when no changes occur", function () {
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var testObject = { someKey: 42 },
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callback = jasmine.createSpy("callback");
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navigationService.addListener(callback);
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navigationService.setNavigation(testObject);
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navigationService.setNavigation(testObject);
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expect(callback.calls.length).toEqual(1);
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});
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it("stops notifying listeners after removal", function () {
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var testObject = { someKey: 42 },
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callback = jasmine.createSpy("callback");
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navigationService.addListener(callback);
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navigationService.removeListener(callback);
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navigationService.setNavigation(testObject);
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expect(callback).not.toHaveBeenCalled();
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});
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it("adds listeners to the 'after' state by default", function(){
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expect(navigationService.callbacks.after).toBeUndefined();
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navigationService.addListener(function(){});
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expect(navigationService.callbacks.after).toBeDefined();
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expect(navigationService.callbacks.after.length).toBe(1);
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});
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it("allows navigationService events to be prevented", function(){
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var callback = jasmine.createSpy("callback"),
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navigationResult;
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callback.andReturn(false);
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navigationService.addListener(callback, "before");
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navigationResult = navigationService.setNavigation({});
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expect(callback).toHaveBeenCalled();
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expect(navigationResult).toBe(false);
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});
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});
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}
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);
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