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

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define(
    ['../../src/actions/MetadataColumn'],
    function (MetadataColumn) {
        describe("MetadataColumn", function () {
            var testName,
                column;

            beforeEach(function () {
                testName = 'Foo';
                column = new MetadataColumn(testName);
            });

            it("reports its property name", function () {
                expect(column.name()).toEqual(testName);
            });

            describe("value", function () {
                var mockDomainObject,
                    testMetadata,
                    testIndex;

                beforeEach(function () {
                    mockDomainObject = jasmine.createSpyObj(
                        'domainObject',
                        ['getId', 'getModel', 'getCapability', 'useCapability']
                    );
                    testMetadata = [
                        { name: "Something else", value: 123 },
                        { value: 456 },
                        { name: "And something else", value: 789 }
                    ];
                    testIndex = 1;
                    testMetadata[testIndex].name = testName;

                    mockDomainObject.useCapability.andCallFake(function (c) {
                        return (c === 'metadata') && testMetadata;
                    });
                });

                it("returns a corresponding value", function () {
                    expect(column.value(mockDomainObject))
                        .toEqual(testMetadata[testIndex].value);
                });

                it("returns nothing when no such property is present", function () {
                    testMetadata[testIndex].name = "Not " + testName;
                    expect(column.value(mockDomainObject)).toEqual("");
                });
            });

        });
    }
);