openmct/platform/features/clock/test/services/TickerServiceSpec.js

63 lines
2.5 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2009-2016, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT is 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.
*
* Open MCT includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
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*****************************************************************************/
define(
["../../src/services/TickerService"],
function (TickerService) {
var TEST_TIMESTAMP = 1433354174000;
describe("The ticker service", function () {
var mockTimeout,
mockNow,
mockCallback,
tickerService;
beforeEach(function () {
mockTimeout = jasmine.createSpy('$timeout');
mockNow = jasmine.createSpy('now');
mockCallback = jasmine.createSpy('callback');
mockNow.andReturn(TEST_TIMESTAMP);
tickerService = new TickerService(mockTimeout, mockNow);
});
it("notifies listeners of clock ticks", function () {
tickerService.listen(mockCallback);
mockNow.andReturn(TEST_TIMESTAMP + 12321);
mockTimeout.mostRecentCall.args[0]();
expect(mockCallback)
.toHaveBeenCalledWith(TEST_TIMESTAMP + 12321);
});
it("allows listeners to unregister", function () {
tickerService.listen(mockCallback)(); // Unregister immediately
mockNow.andReturn(TEST_TIMESTAMP + 12321);
mockTimeout.mostRecentCall.args[0]();
expect(mockCallback).not
.toHaveBeenCalledWith(TEST_TIMESTAMP + 12321);
});
});
}
);