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- /**
- * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* globals describe, it, expect */
- 'use strict';
- var modules = bender.amd.require( 'utils' );
- describe( 'extend()', function() {
- it( 'should extend and override', function() {
- var utils = modules.utils;
- var target = {
- a: 1,
- b: 2
- };
- var extensions = {
- a: 'A',
- c: 3,
- // Extend by reference (no deep-copy).
- obj: {
- a: 1
- },
- // Extend by reference (no deep-copy).
- arr: [ 1, 2 ],
- // Extend by reference.
- fn: function() {}
- };
- var ret = utils.extend( target, extensions );
- expect( target.a ).to.equal( 'A' );
- expect( target.b ).to.equal( 2 );
- expect( target ).to.have.property( 'c' ).to.equal( 3 );
- expect( target ).to.have.property( 'obj' ).to.equal( extensions.obj );
- expect( target ).to.have.property( 'arr' ).to.equal( extensions.arr );
- expect( target ).to.have.property( 'fn' ).to.equal( extensions.fn );
- // "target" should be the return value.
- expect( ret ).to.equal( target );
- } );
- it( 'should not be touched by non-objects', function() {
- var utils = modules.utils;
- var target = {
- a: 1
- };
- expect( utils.extend( target, function() {} ) ).to.equal( target );
- expect( utils.extend( target, 1 ) ).to.equal( target );
- expect( utils.extend( target, 'a' ) ).to.equal( target );
- expect( utils.extend( target, true ) ).to.equal( target );
- expect( utils.extend( target, undefined ) ).to.equal( target );
- expect( utils.extend( target, [] ) ).to.equal( target );
- expect( utils.extend( target, new Date() ) ).to.equal( target );
- expect( utils.extend( target ) ).to.equal( target );
- // None of the above calls should have touched "target".
- expect( target ).to.have.property( 'a' ).to.equal( 1 );
- expect( Object.getOwnPropertyNames( target ).length ).to.equal( 1 );
- } );
- // Properties of the subsequent objects should override properties of the preceding objects.
- it( 'should extend by several params in the correct order', function() {
- var utils = modules.utils;
- var target = {
- a: 0,
- b: 0
- };
- var ext1 = {
- b: 1,
- c: 1
- };
- var ext2 = {
- c: 2,
- d: 2
- };
- utils.extend( target, ext1, ext2 );
- expect( target ).to.have.property( 'a' ).to.equal( 0 );
- expect( target ).to.have.property( 'b' ).to.equal( 1 );
- expect( target ).to.have.property( 'c' ).to.equal( 2 );
- expect( target ).to.have.property( 'd' ).to.equal( 2 );
- } );
- } );
- describe( 'isFunction()', function() {
- it( 'should be true for functions only', function() {
- var utils = modules.utils;
- var f1 = function() {};
- /* jshint -W054 */ // The Function constructor is a form of eval
- var f2 = new Function( '' );
- /* jshint +W054 */
- expect( utils.isFunction( f1 ) ).to.be.true();
- expect( utils.isFunction( f2 ) ).to.be.true();
- expect( utils.isFunction( 1 ) ).to.be.false();
- expect( utils.isFunction( 'a' ) ).to.be.false();
- expect( utils.isFunction( true ) ).to.be.false();
- expect( utils.isFunction( undefined ) ).to.be.false();
- expect( utils.isFunction( [] ) ).to.be.false();
- expect( utils.isFunction( {} ) ).to.be.false();
- expect( utils.isFunction( new Date() ) ).to.be.false();
- } );
- } );
- describe( 'isObject()', function() {
- it( 'should be true for pure objects only', function() {
- var utils = modules.utils;
- var f1 = function() {};
- /* jshint -W054 */ // The Function constructor is a form of eval
- var f2 = new Function( '' );
- /* jshint +W054 */
- expect( utils.isObject( {} ) ).to.be.true();
- expect( utils.isObject( [] ) ).to.be.true();
- expect( utils.isObject( 1 ) ).to.be.false();
- expect( utils.isObject( 'a' ) ).to.be.false();
- expect( utils.isObject( true ) ).to.be.false();
- expect( utils.isObject( undefined ) ).to.be.false();
- expect( utils.isObject( f1 ) ).to.be.false();
- expect( utils.isObject( f2 ) ).to.be.false();
- expect( utils.isObject( null ) ).to.be.false();
- } );
- } );
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