openmct/platform/features/layout/test/LayoutDragSpec.js

/*****************************************************************************
 * 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.
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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/LayoutDrag"],
    function (LayoutDrag) {

        describe("A Layout drag handler", function () {
            var testPosition = {
                    position: [8, 11],
                    dimensions: [3, 2]
                };

            it("changes position by a supplied factor, rounding by grid size", function () {
                var handler = new LayoutDrag(
                    testPosition,
                    [1, 1],
                    [0, 0],
                    [10, 20]
                );

                expect(handler.getAdjustedPosition([37, 84])).toEqual({
                    position: [12, 15],
                    dimensions: [3, 2]
                });
                expect(handler.getAdjustedPosition([-37, 84])).toEqual({
                    position: [4, 15],
                    dimensions: [3, 2]
                });
            });

            it("changes dimensions by a supplied factor, rounding by grid size", function () {
                var handler = new LayoutDrag(
                    testPosition,
                    [0, 0],
                    [1, 1],
                    [10, 20]
                );

                expect(handler.getAdjustedPosition([37, 84])).toEqual({
                    position: [8, 11],
                    dimensions: [7, 6]
                });
            });

            it("allows mixing dimension and position factors", function () {
                var handler = new LayoutDrag(
                    testPosition,
                    [0, 1],
                    [-1, 0],
                    [10, 20]
                );

                expect(handler.getAdjustedPosition([11, 84])).toEqual({
                    position: [8, 15],
                    dimensions: [2, 2]
                });
            });

        });
    }
);