Sample of upcoming promise assertions module

promise-assertions.js

// Say that doSomethingAsync returns a promise, and expected is the value we want it to return.

// With my library you can do the following
test("doSomethingAsync() returns expected", function () {
    equal(doSomethingAsync(), expected, "As expected");
});

// Normally you would have to do
test("doSomethingAsync() returns expected", function () {
    QUnit.stop();
    
    doSomethingAsync().then(
        function (result) {
            equal(result, expected, "As expected");
        },
        function () {
            ok(false, "Promise broken");
        }
    }).fin(QUnit.start);
}

// With a slight mashup of @kriskowal's UncommonJS testing spec with QUnit, it would look something like
test("doSomethingAsync() returns expected", function () {
    return doSomethingAsync().then(function (result) {
        equal(result, expected, "As expected");
    });
});

Sorry, after reading the spec more carefully I see that there is automatic failure for broken promises there too.