openmct/platform/features/timeline/test/actions/ModeColumnSpec.js

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define(
    ['../../src/actions/ModeColumn'],
    function (ModeColumn) {
        var TEST_IDS = ['a', 'b', 'c', 'd', 'e', 'f']

        describe("ModeColumn", function () {
            var testIndex,
                testIdMap,
                column;

            beforeEach(function () {
                testIndex = 3;
                testIdMap = TEST_IDS.reduce(function (map, id, index) {
                    map[id] = index;
                    return map;
                }, {});
                column = new ModeColumn(testIndex, testIdMap);
            });

            it("includes a one-based index in its name", function () {
                expect(column.name().indexOf(String(testIndex + 1)))
                    .not.toEqual(-1);
            });

            describe("value", function () {
                var mockDomainObject,
                    testModel;

                beforeEach(function () {
                    mockDomainObject = jasmine.createSpyObj(
                        'domainObject',
                        ['getId', 'getModel', 'getCapability']
                    );
                    testModel = {
                        relationships: {
                            modes: TEST_IDS
                        }
                    };
                    mockDomainObject.getModel.andReturn(testModel);
                });

                it("returns a corresponding value from the map", function () {
                    expect(column.value(mockDomainObject))
                        .toEqual(testIdMap[testModel.relationships.modes[testIndex]]);
                });

                it("returns nothing when relationships are exceeded", function () {
                    testModel.relationships.modes = ['foo'];
                    expect(column.value(mockDomainObject)).toEqual("");
                });

                it("returns nothing when mode relationships are absent", function () {
                    delete testModel.relationships.modes;
                    expect(column.value(mockDomainObject)).toEqual("");
                });
            });

        });
    }
);