Sinon.js 2
Sinon.js 2
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Fake timers

Fake timers

Fake timers are synchronous implementations of setTimeout and friends that Sinon.JS can overwrite the global functions with to allow you to more easily test code using them.

Fake timers provide a clock object to pass time, which can also be used to control Date objects created through either new Date(); or Date.now(); (if supported by the browser).

For standalone usage of fake timers it is recommended to use lolex package instead. It provides the same set of features (Sinon uses it under the hood) and was previously extracted from Sinon.JS.

{
    setUp: function () {
        this.clock = sinon.useFakeTimers();
    },

    tearDown: function () {
        this.clock.restore();
    },

    "test should animate element over 500ms" : function(){