Javascript test

clone-object.js

describe('clone object', function () {
  it('should clone an object', function () {
    var expected = {name: 'Ahmed', age: 27, skills: ['cycling', 'walking', 'eating']},
        obj = {};
        if (expected instanceof Object){
		obj = expected.constructor();
		for (var attr in expected) {
			if (expected.hasOwnProperty(attr)) 
				obj[attr] = expected[attr];
		}
    }

    expect(obj).toEqual(expected);
    expect(obj).not.toBe(expected);
  });
});

flatten-array.js

describe('flatten array', function () {
	it('should flatten an array', function () {
		var arr = [1, 2, [1, 2, [3, 4, 5, [1]]], 2, [2]],
		expected = [1, 1, 1, 2, 2, 2, 2, 3, 4, 5];
		var flatten = function(toFlatten) {
			var isArray = Object.prototype.toString.call(toFlatten) === '[object Array]';

			if (isArray && toFlatten.length > 0) {
				var head = toFlatten[0];
				var tail = toFlatten.slice(1);

				return (flatten(head).concat(flatten(tail))).sort();
			} else {
				return ([].concat(toFlatten)).sort();
			}
		};
		//function onlyUnique(value, index, self) { 
		//	return self.indexOf(value) === index;
		//}
		arr = flatten(arr);
		//arr = arr.filter(onlyUnique);
		expect(arr).toEqual(expected);
	});
});

scoping.js

describe('scoping', function () {
  it('should correctly deal with scoping `this` back to the callee', function () {
    var mod = new Module(),
        request;

    request = function (callback) {
      return callback();
    };

    function Module () {
      this.foo = 'bar';
    }

    Module.prototype.method = function() {
      return this.foo;
    };

    Module.prototype.req = function() {
      return request(this.method);
    };
   
   
    expect(mod.req()).toBe('bar');
  });
});