Require.js + Mocha + Sinon

bootstrap.js

var requirejs = require('requirejs');
var _ = require('underscore');
var sinon = require('sinon');

requirejs.define(function (undefined) {

var createContext = function (name, stubs) {
	var map = {};
	var prefix = 'stub' + name + ':';
	_.each(stubs || {}, function (value, key) {
		map[key] = prefix + key;
		requirejs.define(prefix + key, function () {
			if (typeof value == 'object') {
				_.each(value, function (method, key) {
					if (typeof method == 'object' && method.stub) {
						var stub = sinon.stub();
						if (typeof method.stub == 'function') {
							method.stub(stub);
						}
						value[key] = stub;
					}
				});
			}
			return value;
		});
	});

	return requirejs.config({
		baseUrl: __dirname + '/../js',
		nodeRequire: require,
		context: prefix,
		map: {
			"*": map
		}
	});
};

return function (name, stubs, suite) {
	var i = 1;

	if (!suite && typeof stubs == 'function') {
		suite = stubs;
	}

	var testCase = function (msg, test, depstubs) {
		var load = createContext(name + i, stubs);
		i++;
		if (test) {
			var xtest = it(msg, function (done) {
				var deps = [name];
				testCase.done = done;
				_.each(depstubs || [], function (stub) {
					deps.push(stub);
				});
				requirejs.define(name + i + 'done', function () {
					return done;
				});
				deps.push(name + i + 'done');
				load(deps, test);
			});
		} else {
			it(msg);
		}
	};

	if (suite) {
		suite(testCase);
	}
	return testCase;
};

});

Usage.md

var load = requirejs('bootstrap')('nameOfTestedThing', {
	nameOfDependency: mockOfDependency
}, function (test) {

describe('foo', function () {
	test('bar', function (testedThing, mockOfDependency) {
		...
		test.done();
	}, ['nameOfDependency']);
});

});