hellojs-xiaotian/tests/specs/unit/utils/clone.js

A clientside Javascript library for standardizing requests to OAuth2 web services (and OAuth1 - with a shim)

define([], function() {

	var utils = hello.utils;

	// Are errors thrown if an invalid network is provided?

	describe('utils.clone', function() {

		it('should clone a simple object', function() {

			var orig = {
				prop: 'prop'
			};

			var clone = utils.clone(orig);

			// Assert that its the same but different.
			expect(clone).to.be.eql(orig).and.not.to.be.equal(orig);

		});

		if (supportsBlob) {
			it('should not clone Blob values', function() {

				var blob = new Blob([new Int8Array([17, -45.3])], {type: 'image/jpeg'});

				var orig = {
					prop: blob
				};

				var clone = utils.clone(orig);

				// Assert that its the same but different.
				expect(clone.prop).to.be.a(Blob).and.to.be.equal(orig.prop);

			});
		}

		it('should not clone DOM element', function() {

			var orig = {
				prop: document.createElement('input')
			};

			var clone = utils.clone(orig);

			// Assert that its the same but different.
			expect(clone.prop).to.be.a(window.Element || window.HTMLElement).and.to.be.equal(orig.prop);

		});

		it('should clone arrays', function() {

			var orig = [1, 2, 3];
			var clone = utils.clone(orig);

			// Assert that its the same but different.
			expect(clone).to.be.eql(orig).and.to.not.be.equal(orig);

		});

		it('should return primitive value (Number)', function() {

			var orig = 1;
			var clone = utils.clone(orig);

			// Assert that its the same but different.
			expect(clone).to.be.eql(orig);

		});

		it('should return primitive value (null)', function() {

			var orig = null;
			var clone = utils.clone(orig);

			// Assert that its the same but different.
			expect(clone).to.be.eql(orig);

		});

		it('should return primitive value (String)', function() {

			var orig = 'string';
			var clone = utils.clone(orig);

			// Assert that its the same but different.
			expect(clone).to.be.eql(orig);

		});

		it('should clone Date objects', function() {

			var orig = (new Date());
			var clone = utils.clone(orig);

			// Assert that its the same but different.
			expect(clone).to.be.eql(orig);

		});

		it('should clone arrays in objects', function() {
			var orig = {
				foo: 'bar',
				arr: [
					{
						a: 'b',
						c: 'd'
					},
					{
						a: '1',
						c: '3'
					}
				]
			};
			var clone = utils.clone(orig);

			expect(clone).to.be.eql(orig).and.to.not.be.equal(orig);
		});
	});

});