openmct/platform/features/plot/test/elements/PlotPositionSpec.js
Victor Woeltjen fa77139077 [Code Style] Run gulp fixstyle
...to apply code style settings from #142.
2016-05-19 11:29:13 -07:00

68 lines
2.8 KiB
JavaScript

/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT Web is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
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* http://www.apache.org/licenses/LICENSE-2.0.
*
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* License for the specific language governing permissions and limitations
* under the License.
*
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/**
* MergeModelsSpec. Created by vwoeltje on 11/6/14.
*/
define(
["../../src/elements/PlotPosition"],
function (PlotPosition) {
describe("A plot position", function () {
var mockPanZoom,
testOrigin = [10, 20],
testDimensions = [800, 10];
beforeEach(function () {
mockPanZoom = jasmine.createSpyObj(
"panZoomStack",
["getPanZoom"]
);
mockPanZoom.getPanZoom.andReturn({
origin: testOrigin,
dimensions: testDimensions
});
});
it("transforms pixel coordinates to domain-range", function () {
var position = new PlotPosition(42, 450, 100, 1000, mockPanZoom);
// Domain: .42 * 800 + 10 = 346
// Range: .55 * 10 + 20 = 25.5
// Notably, y-axis is reversed between pixel space and range
expect(position.getPosition()).toEqual([346, 25.5]);
expect(position.getDomain()).toEqual(346);
expect(position.getRange()).toEqual(25.5);
});
it("treats a position as undefined if no pan-zoom state is present", function () {
var position;
mockPanZoom.getPanZoom.andReturn({});
position = new PlotPosition(1, 2, 100, 100, mockPanZoom);
expect(position.getDomain()).toBeUndefined();
expect(position.getRange()).toBeUndefined();
expect(position.getPosition()).toEqual([]);
});
});
}
);