openmct/platform/commonUI/regions/test/RegionSpec.js

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 * Open MCT, Copyright (c) 2014-2016, 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
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 * License for the specific language governing permissions and limitations
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define(
    ['../src/Region'],
    function (Region) {

        describe("The region class ", function () {

            var region,
                part2 = new Region({'name': 'part2'});

            beforeEach(function () {
                region = new Region();
                region.regions = [
                    new Region({name: 'part1'}),
                    new Region({name: 'part3'}),
                    new Region({name: 'part4'})
                ];
            });

            it("adding a region at a specified index adds it in that" +
                " position", function () {

                    region.addRegion(part2, 1);

                    expect(region.regions.length).toBe(4);
                    expect(region.regions[1]).toBe(part2);
                });

            it("adding a region without an index adds it at the end", function () {
                var partN = new Region({'name': 'partN'});

                region.addRegion(partN);

                expect(region.regions.length).toBe(4);
                expect(region.regions[region.regions.length - 1]).toBe(partN);
            });

            describe("removing a region", function () {
                var partName = "part2";

                beforeEach(function () {
                    region.regions = [
                        new Region({name: 'part1'}),
                        part2,
                        new Region({name: 'part3'}),
                        new Region({name: 'part4'})
                    ];
                });

                it("with a string matches on region name", function () {
                    expect(region.regions.length).toBe(4);
                    expect(region.regions.indexOf(part2)).toBe(1);

                    region.removeRegion(partName);

                    expect(region.regions.length).toBe(3);
                    expect(region.regions.indexOf(part2)).toBe(-1);
                });

                it("with a number removes by index", function () {
                    expect(region.regions.length).toBe(4);
                    expect(region.regions.indexOf(part2)).toBe(1);

                    region.removeRegion(1);

                    expect(region.regions.length).toBe(3);
                    expect(region.regions.indexOf(part2)).toBe(-1);
                });


                it("with object matches that object", function () {
                    expect(region.regions.length).toBe(4);
                    expect(region.regions.indexOf(part2)).toBe(1);

                    region.removeRegion(part2);

                    expect(region.regions.length).toBe(3);
                    expect(region.regions.indexOf(part2)).toBe(-1);
                });
            });
        });
    }
);