openmct/platform/features/layout/test/elements/LineProxySpec.js
2017-04-05 14:52:46 -07:00

96 lines
4.0 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2017, 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.
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* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
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*****************************************************************************/
define(
['../../src/elements/LineProxy'],
function (LineProxy) {
describe("A fixed position line proxy", function () {
var vertical, horizontal, diagonal, reversed;
beforeEach(function () {
vertical = { x: 1, y: 4, x2: 1, y2: 8 };
horizontal = { x: 3, y: 3, x2: 12, y2: 3 };
diagonal = { x: 3, y: 8, x2: 5, y2: 11 };
reversed = { x2: 3, y2: 8, x: 5, y: 11 };
});
it("ensures visible width for vertical lines", function () {
expect(new LineProxy(vertical).width()).toEqual(1);
});
it("ensures visible height for horizontal lines", function () {
expect(new LineProxy(horizontal).height()).toEqual(1);
});
it("provides a bounding box for lines", function () {
var proxy = new LineProxy(diagonal);
expect(proxy.x()).toEqual(3);
expect(proxy.y()).toEqual(8);
expect(proxy.width()).toEqual(2);
expect(proxy.height()).toEqual(3);
});
it("bounds lines identically regardless of point order", function () {
// That is, x(), width(), y(), and height() should always give
// the same results for the same line segments, regardless of
// which point is x,y and which is x2,y2
['x', 'y', 'width', 'height'].forEach(function (method) {
expect(new LineProxy(diagonal)[method]())
.toEqual(new LineProxy(reversed)[method]());
});
});
it("adjusts both ends when mutating x", function () {
var proxy = new LineProxy(diagonal);
proxy.x(6);
expect(diagonal).toEqual({ x: 6, y: 8, x2: 8, y2: 11 });
});
it("adjusts both ends when mutating y", function () {
var proxy = new LineProxy(diagonal);
proxy.y(6);
expect(diagonal).toEqual({ x: 3, y: 6, x2: 5, y2: 9 });
});
it("provides internal positions for SVG lines", function () {
var proxy;
proxy = new LineProxy(diagonal);
expect(proxy.x1()).toEqual(0);
expect(proxy.y1()).toEqual(0);
expect(proxy.x2()).toEqual(2);
expect(proxy.y2()).toEqual(3);
proxy = new LineProxy(reversed);
expect(proxy.x1()).toEqual(2);
expect(proxy.y1()).toEqual(3);
expect(proxy.x2()).toEqual(0);
expect(proxy.y2()).toEqual(0);
});
it("provides handles for both ends", function () {
expect(new LineProxy(diagonal).handles().length).toEqual(2);
});
});
}
);