/** * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ /* bender-tags: document */ 'use strict'; var modules = bender.amd.require( 'document/document', 'document/insertoperation', 'document/removeoperation', 'document/position', 'document/character' ); describe( 'RemoveOperation', function() { it( 'should remove node', function() { var Document = modules[ 'document/document' ]; var RemoveOperation = modules[ 'document/removeoperation' ]; var Position = modules[ 'document/position' ]; var Character = modules[ 'document/character' ]; var doc = new Document(); doc.root.children.push( new Character( doc.root, 'x' ) ); doc.applyOperation( new RemoveOperation( new Position( [ 0 ], doc.root ), doc.root.children[ 0 ], doc.version ) ); expect( doc.version ).to.be.equal( 1 ); expect( doc.root.children.length ).to.be.equal( 0 ); } ); it( 'should remove set of nodes', function() { var Document = modules[ 'document/document' ]; var RemoveOperation = modules[ 'document/removeoperation' ]; var Position = modules[ 'document/position' ]; var Character = modules[ 'document/character' ]; var doc = new Document(); doc.root.children.push( new Character( doc.root, 'b' ) ); doc.root.children.push( new Character( doc.root, 'a' ) ); doc.root.children.push( new Character( doc.root, 'r' ) ); doc.applyOperation( new RemoveOperation( new Position( [ 0 ], doc.root ), [ doc.root.children[ 0 ], doc.root.children[ 1 ], doc.root.children[ 2 ] ], doc.version ) ); expect( doc.version ).to.be.equal( 1 ); expect( doc.root.children.length ).to.be.equal( 0 ); } ); it( 'should remove from between existing nodes', function() { var Document = modules[ 'document/document' ]; var RemoveOperation = modules[ 'document/removeoperation' ]; var Position = modules[ 'document/position' ]; var Character = modules[ 'document/character' ]; var doc = new Document(); doc.root.children.push( new Character( doc.root, 'b' ) ); doc.root.children.push( new Character( doc.root, 'a' ) ); doc.root.children.push( new Character( doc.root, 'r' ) ); doc.applyOperation( new RemoveOperation( new Position( [ 1 ], doc.root ), [ doc.root.children[ 1 ] ], doc.version ) ); expect( doc.version ).to.be.equal( 1 ); expect( doc.root.children.length ).to.be.equal( 2 ); expect( doc.root.children[ 0 ].character ).to.be.equal( 'b' ); expect( doc.root.children[ 1 ].character ).to.be.equal( 'r' ); } ); it( 'should create a insert operation as a reverse', function() { var Document = modules[ 'document/document' ]; var InsertOperation = modules[ 'document/insertoperation' ]; var RemoveOperation = modules[ 'document/removeoperation' ]; var Position = modules[ 'document/position' ]; var Character = modules[ 'document/character' ]; var doc = new Document(); var nodes = [ new Character( null, 'b' ), new Character( null, 'a' ), new Character( null, 'r' ) ]; var position = new Position( [ 0 ], doc.root ); doc.root.children.push( nodes[ 0 ] ); doc.root.children.push( nodes[ 1 ] ); doc.root.children.push( nodes[ 2 ] ); var operation = new RemoveOperation( position, nodes, 0 ); var reverse = operation.reverseOperation(); expect( reverse ).to.be.an.instanceof( InsertOperation ); expect( reverse.baseVersion ).to.be.equals( 1 ); expect( reverse.nodes ).to.be.equals( nodes ); expect( reverse.position ).to.be.equals( position ); } ); it( 'should undo remove set of nodes by applying reverse operation', function() { var Document = modules[ 'document/document' ]; var RemoveOperation = modules[ 'document/removeoperation' ]; var Position = modules[ 'document/position' ]; var Character = modules[ 'document/character' ]; var doc = new Document(); var nodes = [ new Character( null, 'b' ), new Character( null, 'a' ), new Character( null, 'r' ) ]; var position = new Position( [ 0 ], doc.root ); doc.root.children.push( nodes[ 0 ] ); doc.root.children.push( nodes[ 1 ] ); doc.root.children.push( nodes[ 2 ] ); var operation = new RemoveOperation( position, nodes, 0 ); var reverse = operation.reverseOperation(); doc.applyOperation( operation ); expect( doc.version ).to.be.equal( 1 ); expect( doc.root.children.length ).to.be.equal( 0 ); doc.applyOperation( reverse ); expect( doc.version ).to.be.equal( 2 ); expect( doc.root.children.length ).to.be.equal( 3 ); expect( doc.root.children[ 0 ].character ).to.be.equal( 'b' ); expect( doc.root.children[ 1 ].character ).to.be.equal( 'a' ); expect( doc.root.children[ 2 ].character ).to.be.equal( 'r' ); } ); } );