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69 lines
2.9 KiB
JavaScript
69 lines
2.9 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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* MergeModelsSpec. Created by vwoeltje on 11/6/14.
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*/
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define(
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["../../src/elements/PlotPosition"],
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function (PlotPosition) {
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"use strict";
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describe("A plot position", function () {
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var mockPanZoom,
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testOrigin = [ 10, 20 ],
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testDimensions = [ 800, 10 ];
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beforeEach(function () {
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mockPanZoom = jasmine.createSpyObj(
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"panZoomStack",
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[ "getPanZoom" ]
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);
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mockPanZoom.getPanZoom.andReturn({
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origin: testOrigin,
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dimensions: testDimensions
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});
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});
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it("transforms pixel coordinates to domain-range", function () {
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var position = new PlotPosition(42, 450, 100, 1000, mockPanZoom);
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// Domain: .42 * 800 + 10 = 346
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// Range: .55 * 10 + 20 = 25.5
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// Notably, y-axis is reversed between pixel space and range
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expect(position.getPosition()).toEqual([346, 25.5]);
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expect(position.getDomain()).toEqual(346);
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expect(position.getRange()).toEqual(25.5);
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});
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it("treats a position as undefined if no pan-zoom state is present", function () {
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var position;
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mockPanZoom.getPanZoom.andReturn({});
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position = new PlotPosition(1, 2, 100, 100, mockPanZoom);
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expect(position.getDomain()).toBeUndefined();
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expect(position.getRange()).toBeUndefined();
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expect(position.getPosition()).toEqual([]);
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});
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});
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}
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); |