openmct/platform/features/layout/test/elements/ElementProxySpec.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/elements/ElementProxy'],
    function (ElementProxy) {

        describe("A fixed position element proxy", function () {
            var testElement,
                testElements,
                proxy;

            beforeEach(function () {
                testElement = {
                    x: 1,
                    y: 2,
                    stroke: '#717171',
                    width: 42,
                    height: 24
                };
                testElements = [{}, {}, testElement, {}];
                proxy = new ElementProxy(
                    testElement,
                    testElements.indexOf(testElement),
                    testElements
                );
            });

            it("exposes element properties", function () {
                Object.keys(testElement).forEach(function (k) {
                    expect(proxy[k]()).toEqual(testElement[k]);
                });
            });

            it("allows elements to be removed", function () {
                proxy.remove();
                expect(testElements).toEqual([{}, {}, {}]);
            });

            it("allows order to be changed", function () {
                proxy.order("down");
                expect(testElements).toEqual([{}, testElement, {}, {}]);
                proxy.order("up");
                expect(testElements).toEqual([{}, {}, testElement, {}]);
                proxy.order("bottom");
                expect(testElements).toEqual([testElement, {}, {}, {}]);
                proxy.order("top");
                expect(testElements).toEqual([{}, {}, {}, testElement]);
            });

            it("ensures x/y values are non-negative", function () {
                proxy.x(-1);
                proxy.y(-400);
                expect(proxy.x()).toEqual(0);
                expect(proxy.y()).toEqual(0);
            });
        });
    }
);