91 lines
3.6 KiB
JavaScript
91 lines
3.6 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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define(
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["../../src/services/Topic"],
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function (Topic) {
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"use strict";
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describe("The 'topic' service", function () {
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var topic,
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mockLog,
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testMessage,
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mockCallback;
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beforeEach(function () {
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testMessage = { someKey: "some value"};
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mockLog = jasmine.createSpyObj(
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'$log',
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[ 'error', 'warn', 'info', 'debug' ]
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);
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mockCallback = jasmine.createSpy('callback');
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topic = new Topic(mockLog);
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});
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it("notifies listeners on a topic", function () {
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topic("abc").listen(mockCallback);
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topic("abc").notify(testMessage);
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expect(mockCallback).toHaveBeenCalledWith(testMessage);
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});
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it("does not notify listeners across topics", function () {
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topic("abc").listen(mockCallback);
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topic("xyz").notify(testMessage);
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expect(mockCallback).not.toHaveBeenCalledWith(testMessage);
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});
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it("does not notify listeners after unlistening", function () {
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topic("abc").listen(mockCallback)(); // Unlisten immediately
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topic("abc").notify(testMessage);
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expect(mockCallback).not.toHaveBeenCalledWith(testMessage);
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});
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it("provides anonymous private topics", function () {
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var t1 = topic(), t2 = topic();
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t1.listen(mockCallback);
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t2.notify(testMessage);
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expect(mockCallback).not.toHaveBeenCalledWith(testMessage);
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t1.notify(testMessage);
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expect(mockCallback).toHaveBeenCalledWith(testMessage);
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});
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it("is robust against errors thrown by listeners", function () {
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var mockBadCallback = jasmine.createSpy("bad-callback"),
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t = topic();
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mockBadCallback.andCallFake(function () {
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throw new Error("I'm afraid I can't do that.");
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});
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t.listen(mockBadCallback);
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t.listen(mockCallback);
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t.notify(testMessage);
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expect(mockCallback).toHaveBeenCalledWith(testMessage);
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});
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});
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}
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);
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