mirror of
https://github.com/nasa/openmct.git
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134 lines
5.3 KiB
JavaScript
134 lines
5.3 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2009-2015, 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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define(
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['../../src/controllers/TimelineZoomController'],
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function (TimelineZoomController) {
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describe("The timeline zoom state controller", function () {
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var testConfiguration,
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mockScope,
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controller;
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beforeEach(function () {
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testConfiguration = {
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levels: [1000, 2000, 3500],
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width: 12321
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};
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mockScope = jasmine.createSpyObj("$scope", ['$watch']);
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mockScope.commit = jasmine.createSpy('commit');
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controller = new TimelineZoomController(
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mockScope,
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testConfiguration
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);
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});
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it("starts off at a middle zoom level", function () {
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expect(controller.zoom()).toEqual(2000);
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});
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it("allows duration to be changed", function () {
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var initial = controller.duration();
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controller.duration(initial * 3.33);
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expect(controller.duration() > initial).toBeTruthy();
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});
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it("handles time-to-pixel conversions", function () {
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var zoomLevel = controller.zoom();
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expect(controller.toPixels(zoomLevel)).toEqual(12321);
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expect(controller.toPixels(zoomLevel * 2)).toEqual(24642);
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});
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it("handles pixel-to-time conversions", function () {
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var zoomLevel = controller.zoom();
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expect(controller.toMillis(12321)).toEqual(zoomLevel);
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expect(controller.toMillis(24642)).toEqual(zoomLevel * 2);
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});
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it("allows zoom to be changed", function () {
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controller.zoom(1);
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expect(controller.zoom()).toEqual(3500);
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});
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it("observes scroll bounds", function () {
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expect(mockScope.$watch)
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.toHaveBeenCalledWith("scroll", jasmine.any(Function));
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});
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describe("when watches have fired", function () {
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var mockDomainObject,
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mockPromise,
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mockTimespan,
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testStart,
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testEnd;
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beforeEach(function () {
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testStart = 3000;
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testEnd = 5500;
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mockDomainObject = jasmine.createSpyObj('domainObject', [
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'getId',
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'getModel',
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'getCapability',
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'useCapability'
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]);
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mockPromise = jasmine.createSpyObj('promise', ['then']);
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mockTimespan = jasmine.createSpyObj('timespan', [
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'getStart',
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'getEnd',
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'getDuration'
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]);
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mockDomainObject.useCapability.andCallFake(function (c) {
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return c === 'timespan' && mockPromise;
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});
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mockPromise.then.andCallFake(function (callback) {
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callback(mockTimespan);
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});
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mockTimespan.getStart.andReturn(testStart);
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mockTimespan.getEnd.andReturn(testEnd);
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mockTimespan.getDuration.andReturn(testEnd - testStart);
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mockScope.scroll = { x: 0, width: 20000 };
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mockScope.domainObject = mockDomainObject;
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mockScope.$watch.calls.forEach(function (call) {
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call.args[1](mockScope[call.args[0]]);
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});
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});
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it("zooms to fit the timeline", function () {
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var x1 = mockScope.scroll.x,
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x2 = mockScope.scroll.x + mockScope.scroll.width;
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expect(Math.round(controller.toMillis(x1)))
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.toEqual(testStart);
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expect(Math.round(controller.toMillis(x2)))
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.toBeGreaterThan(testEnd);
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});
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});
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});
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}
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);
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