fluid.defaults("fluid.tests.transformStep", {
    gradeNames: ["fluid.component"],
    events: {
        transform: null
    },
    listeners: {
        transform: [{
            funcName: "fluid.identity",
            args: ["first"],
            priority: 20,
            namespace: "step1"
        }, {
            funcName: "fluid.identity",
            args: [{
                step1: "{arguments}.0",
                step2: "second"
            }],
            priority: 10,
            namespace: "step2"
        }]
    }
});

fluid.defaults("fluid.tests.overrideTransformStep", {
    gradeNames: ["fluid.component"],
    components: {
        transformStep: {
            type: "fluid.tests.transformStep"
        }
    },
    distributeOptions: {
        override: {
            record: {
                funcName: "fluid.identity",
                args: ["override first"],
                priority: 20,
                namespace: "step1"
            },
            target: "{that > transformStep}.options.listeners.transform"
        }
    }
});

jqUnit.test("Override a specific step in the promise chain by its namespace", function () {
    jqUnit.expect(1);
    var thatWithOverride = fluid.tests.overrideTransformStep();
    var transformedWithOverride = fluid.promise.fireTransformEvent(thatWithOverride.transformStep.events.transform);
    transformedWithOverride.then(function (value) {
        jqUnit.assertDeepEq("With overriding: Received expected transformed value", {
            step1: "override first",
            step2: "second"
        }, value);
    });
});