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+/**
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+ * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md.
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+ */
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+
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+/* bender-tags: document, delta */
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+
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+'use strict';
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+
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+var modules = bender.amd.require(
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+ 'document/transaction',
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+ 'document/document',
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+ 'document/text',
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+ 'document/attribute',
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+ 'document/range',
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+ 'document/position' );
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+
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+describe( 'Transaction', () => {
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+ var Transaction, Document, Text, Attribute, Range, Position;
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+
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+ var doc, root, transaction;
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+
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+ before( () => {
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+ Transaction = modules[ 'document/transaction' ];
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+ Document = modules[ 'document/document' ];
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+ Text = modules[ 'document/text' ];
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+ Attribute = modules[ 'document/attribute' ];
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+ Range = modules[ 'document/range' ];
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+ Position = modules[ 'document/position' ];
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+ } );
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+
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+ beforeEach( () => {
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+ doc = new Document();
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+ root = doc.createRoot( 'root' );
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+
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+ root.insertChildren( 0, [
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+ new Text( 'xxx', [ new Attribute( 'a', 1 ) ] ),
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+ 'xxx',
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+ new Text( 'xxx', [ new Attribute( 'a', 1 ) ] ),
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+ new Text( 'xxx', [ new Attribute( 'a', 2 ) ] ),
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+ 'xxx',
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+ new Text( 'xxx', [ new Attribute( 'a', 1 ) ] )
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+ ] );
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+
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+ transaction = doc.makeTransaction();
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+ } );
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+
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+ function getRange( startIndex, endIndex ) {
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+ return new Range(
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+ Position.createFromParentAndOffset( root, startIndex ),
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+ Position.createFromParentAndOffset( root, endIndex )
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+ );
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+ }
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+
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+ function getOperationsCount() {
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+ var count = 0;
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+
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+ for ( var delta of transaction ) {
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+ for ( var operation of delta ) {
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+ count++;
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+ }
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+ }
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+
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+ return count;
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+ }
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+
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+ function assertAttrs( expected ) {
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+ var range = Range.createFromElement( root );
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+ var actual = Array.from( range ).map( value => value.node.getAttr( 'a' ) || '-' ).join( '' );
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+
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+ // actual: 111---111222---111
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+ expect( actual ).to.be.deep.equal( expected );
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+ }
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+
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+ describe( 'setAttr', () => {
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+ it( 'should set the attribute on the range', () => {
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+ transaction.setAttr( new Attribute( 'a', 3 ), getRange( 3, 6 ) );
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+ expect( getOperationsCount() ).
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+ assertAttrs( '111333111222---111' );
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+ } );
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+
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+ it( 'should split the operations if parts of the range have different attributes', () => {
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+ transaction.setAttr( new Attribute( 'a', 3 ), getRange( 4, 14 ) );
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+ assertAttrs( '111-3333333333-111' );
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+ } );
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+
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+ it( 'should split the operations if parts of the part of the range have the attribute', () => {
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+ transaction.setAttr( new Attribute( 'a', 2 ), getRange( 4, 14 ) );
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+ assertAttrs( '111-2222222222-111' );
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+ } );
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+
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+ it( 'should strip the range if the beginning have the attribute', () => {
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+ transaction.setAttr( new Attribute( 'a', 1 ), getRange( 1, 5 ) );
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+ assertAttrs( '11111-111222---111' );
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+ } );
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+
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+ it( 'should strip the range if the ending have the attribute', () => {
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+ transaction.setAttr( new Attribute( 'a', 3 ), getRange( 13, 17 ) );
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+ assertAttrs( '111---111222-11111' );
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+ } );
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+
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+ it( 'should do nothing if the range has attribute', () => {
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+ transaction.setAttr( new Attribute( 'a', 3 ), getRange( 0, 3 ) );
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+ assertAttrs( '111---111222---111' );
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+ } );
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+
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+ it( 'should create a proper operations for the mixed range', () => {
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+ transaction.setAttr( new Attribute( 'a', 1 ), getRange( 0, 18 ) );
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+ assertAttrs( '111111111111111111' );
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+ } );
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+ } );
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+
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+
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+ describe( 'removeAttr', () => {
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+ it( 'should remove the attribute on the range', () => {
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+ transaction.removeAttr( 'a', getRange( 0, 2 ) );
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+ assertAttrs( '--1---111222---111' );
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+ } );
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+
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+ it( 'should split the operations if parts of the range have different attributes', () => {
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+ transaction.removeAttr( 'a', getRange( 7, 11 ) );
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+ assertAttrs( '111---1----2---111' );
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+ } );
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+
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+ it( 'should split the operations if parts of the part of the range have no attribute', () => {
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+ transaction.removeAttr( 'a', getRange( 1, 7 ) );
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+ assertAttrs( '1------11222---111' );
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+ } );
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+
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+ it( 'should strip the range if the beginning have no attribute', () => {
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+ transaction.removeAttr( 'a', getRange( 4, 12 ) );
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+ assertAttrs( '111------------111' );
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+ } );
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+
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+ it( 'should strip the range if the ending have no attribute', () => {
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+ transaction.removeAttr( 'a', getRange( 7, 15 ) );
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+ assertAttrs( '111---1--------111' );
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+ } );
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+
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+ it( 'should do nothing if the range has no attribute', () => {
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+ transaction.removeAttr( 'a', getRange( 4, 5 ) );
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+ assertAttrs( '111---111222---111' );
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+ } );
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+
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+ it( 'should create a proper operations for the mixed range', () => {
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+ transaction.removeAttr( 'a', getRange( 3, 15 ) );
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+ assertAttrs( '111------------111' );
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+ } );
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+ } );
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+} );
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