/** * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ import Model from '../../src/model/model'; import Element from '../../src/model/element'; import Text from '../../src/model/text'; import Position from '../../src/model/position'; import Range from '../../src/model/range'; import InsertOperation from '../../src/model/operation/insertoperation'; import MoveOperation from '../../src/model/operation/moveoperation'; import RenameOperation from '../../src/model/operation/renameoperation'; import AttributeOperation from '../../src/model/operation/attributeoperation'; import SplitOperation from '../../src/model/operation/splitoperation'; import MergeOperation from '../../src/model/operation/mergeoperation'; describe( 'Differ', () => { let doc, differ, root, model; beforeEach( () => { model = new Model(); doc = model.document; differ = doc.differ; root = doc.createRoot(); root._appendChild( [ new Element( 'paragraph', null, [ new Text( 'foo' ) ] ), new Element( 'paragraph', null, [ new Text( 'bar' ) ] ) ] ); } ); describe( 'insert', () => { // Simple. it( 'an element', () => { const position = new Position( root, [ 1 ] ); model.change( () => { insert( new Element( 'image' ), position ); expectChanges( [ { type: 'insert', name: 'image', length: 1, position } ] ); } ); } ); it( 'a non-empty element with attributes', () => { const position = new Position( root, [ 1 ] ); model.change( () => { insert( new Element( 'image', { src: 'foo.jpg' }, new Element( 'caption', null, new Text( 'bar' ) ) ), position ); expectChanges( [ { type: 'insert', name: 'image', length: 1, position } ] ); } ); } ); it( 'multiple elements', () => { const position = new Position( root, [ 1 ] ); model.change( () => { insert( [ new Element( 'image' ), new Element( 'paragraph' ) ], position ); expectChanges( [ { type: 'insert', name: 'image', length: 1, position }, { type: 'insert', name: 'paragraph', length: 1, position: position.getShiftedBy( 1 ) } ] ); } ); } ); it( 'a character', () => { const position = new Position( root, [ 0, 2 ] ); model.change( () => { insert( new Text( 'x' ), position ); expectChanges( [ { type: 'insert', name: '$text', length: 1, position } ] ); } ); } ); it( 'multiple characters', () => { const position = new Position( root, [ 0, 2 ] ); model.change( () => { insert( new Text( 'xyz' ), position ); expectChanges( [ { type: 'insert', name: '$text', length: 3, position } ] ); } ); } ); it( 'multiple consecutive characters in multiple operations', () => { const position = new Position( root, [ 0, 2 ] ); model.change( () => { insert( new Text( 'xy' ), position ); insert( new Text( 'z' ), position.getShiftedBy( 2 ) ); insert( new Text( 'ab' ), position ); expectChanges( [ { type: 'insert', name: '$text', length: 5, position } ] ); } ); } ); it( 'multiple non-consecutive characters in multiple operations', () => { const position = new Position( root, [ 0, 0 ] ); model.change( () => { insert( new Text( 'xy' ), position ); insert( new Text( 'z' ), position.getShiftedBy( 3 ) ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position }, { type: 'insert', name: '$text', length: 1, position: position.getShiftedBy( 3 ) } ] ); } ); } ); // Combined. it( 'node in a new element', () => { const image = new Element( 'image' ); const position = new Position( root, [ 1 ] ); model.change( () => { insert( image, position ); const caption = new Element( 'caption' ); insert( caption, Position._createAt( image, 0 ) ); insert( new Text( 'foo' ), Position._createAt( caption, 0 ) ); expectChanges( [ { type: 'insert', name: 'image', length: 1, position } ] ); } ); } ); it( 'node in a renamed element', () => { const text = new Text( 'xyz', { bold: true } ); const position = new Position( root, [ 0, 3 ] ); model.change( () => { insert( text, position ); rename( root.getChild( 0 ), 'listItem' ); // Note that since renamed element is removed and then re-inserted, there is no diff for text inserted inside it. expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'insert', name: 'listItem', length: 1, position: new Position( root, [ 0 ] ) } ] ); } ); } ); it( 'node in a element with changed attribute', () => { const text = new Text( 'xyz', { bold: true } ); const position = new Position( root, [ 0, 3 ] ); const range = new Range( Position._createAt( root, 0 ), Position._createAt( root, 1 ) ); model.change( () => { insert( text, position ); attribute( range, 'align', null, 'center' ); const diffRange = new Range( Position._createAt( root, 0 ), Position._createAt( root.getChild( 0 ), 0 ) ); // Compare to scenario above, this time there is only an attribute change on parent element, // so there is also a diff for text. expectChanges( [ { type: 'attribute', range: diffRange, attributeKey: 'align', attributeOldValue: null, attributeNewValue: 'center' }, { type: 'insert', name: '$text', length: 3, position } ] ); } ); } ); it( 'nodes between other inserted nodes', () => { model.change( () => { insert( new Text( 'xx' ), new Position( root, [ 0, 1 ] ) ); insert( new Text( 'yy' ), new Position( root, [ 0, 2 ] ) ); expectChanges( [ { type: 'insert', position: new Position( root, [ 0, 1 ] ), length: 4, name: '$text' } ] ); } ); } ); it( 'nodes before nodes with changed attributes', () => { const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 1 ), Position._createAt( p1, 3 ) ); const position = new Position( root, [ 0, 0 ] ); model.change( () => { attribute( range, 'bold', null, true ); insert( new Text( 'xx' ), position ); const rangeAfter = new Range( Position._createAt( p1, 3 ), Position._createAt( p1, 5 ) ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAfter, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'nodes between nodes with changed attributes', () => { const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 1 ), Position._createAt( p1, 3 ) ); const position = new Position( root, [ 0, 2 ] ); model.change( () => { attribute( range, 'bold', null, true ); insert( new Text( 'xx' ), position ); const rangeBefore = new Range( Position._createAt( p1, 1 ), Position._createAt( p1, 2 ) ); const rangeAfter = new Range( Position._createAt( p1, 4 ), Position._createAt( p1, 5 ) ); expectChanges( [ { type: 'attribute', range: rangeBefore, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true }, { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAfter, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'nodes after nodes with changed attributes', () => { const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 1 ), Position._createAt( p1, 3 ) ); const position = new Position( root, [ 0, 3 ] ); model.change( () => { attribute( range, 'bold', null, true ); insert( new Text( 'xx' ), position ); expectChanges( [ { type: 'attribute', range, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true }, { type: 'insert', name: '$text', length: 2, position } ] ); } ); } ); } ); describe( 'remove', () => { it( 'an element', () => { const position = new Position( root, [ 0 ] ); model.change( () => { remove( position, 1 ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position } ] ); } ); } ); it( 'multiple elements', () => { const position = new Position( root, [ 0 ] ); model.change( () => { remove( position, 2 ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position }, { type: 'remove', name: 'paragraph', length: 1, position } ] ); } ); } ); it( 'a character', () => { const position = new Position( root, [ 0, 1 ] ); model.change( () => { remove( position, 1 ); expectChanges( [ { type: 'remove', name: '$text', length: 1, position } ] ); } ); } ); it( 'multiple characters', () => { const position = new Position( root, [ 0, 1 ] ); model.change( () => { remove( position, 2 ); expectChanges( [ { type: 'remove', name: '$text', length: 2, position } ] ); } ); } ); it( 'multiple consecutive characters in multiple operations', () => { const position = new Position( root, [ 0, 0 ] ); model.change( () => { remove( position, 1 ); remove( position, 1 ); remove( position, 1 ); expectChanges( [ { type: 'remove', name: '$text', length: 3, position } ] ); } ); } ); it( 'multiple non-consecutive characters in multiple operations', () => { const position = new Position( root, [ 0, 0 ] ); model.change( () => { remove( position, 1 ); remove( position.getShiftedBy( 1 ), 1 ); expectChanges( [ { type: 'remove', name: '$text', length: 1, position }, { type: 'remove', name: '$text', length: 1, position: position.getShiftedBy( 1 ) } ] ); } ); } ); it( 'item just before inserted item', () => { // This tests proper changes sorting. const insertPosition = new Position( root, [ 0, 2 ] ); const removePosition = new Position( root, [ 0, 1 ] ); model.change( () => { insert( new Text( 'x' ), insertPosition ); remove( removePosition, 1 ); expectChanges( [ { type: 'remove', name: '$text', length: 1, position: removePosition }, { type: 'insert', name: '$text', length: 1, position: removePosition } ] ); } ); } ); it( 'nodes before inserted nodes (together with some inserted nodes)', () => { const insertPosition = new Position( root, [ 0, 2 ] ); const removePosition = new Position( root, [ 0, 1 ] ); model.change( () => { insert( new Text( 'xyz' ), insertPosition ); remove( removePosition, 2 ); expectChanges( [ { type: 'remove', name: '$text', length: 1, position: removePosition }, { type: 'insert', name: '$text', length: 2, position: removePosition } ] ); } ); } ); it( 'inserted nodes and some nodes after inserted nodes', () => { const insertPosition = new Position( root, [ 0, 2 ] ); const removePosition = new Position( root, [ 0, 3 ] ); model.change( () => { insert( new Text( 'xyz' ), insertPosition ); remove( removePosition, 3 ); expectChanges( [ { type: 'insert', name: '$text', length: 1, position: insertPosition }, { type: 'remove', name: '$text', length: 1, position: removePosition } ] ); } ); } ); it( 'all inserted nodes', () => { const insertPosition = new Position( root, [ 0, 2 ] ); const removePosition = new Position( root, [ 0, 1 ] ); model.change( () => { insert( new Text( 'xy' ), insertPosition ); remove( removePosition, 4 ); expectChanges( [ { type: 'remove', name: '$text', length: 2, position: removePosition } ] ); } ); } ); it( 'before removed nodes', () => { const removePositionA = new Position( root, [ 0, 2 ] ); const removePositionB = new Position( root, [ 0, 0 ] ); model.change( () => { remove( removePositionA, 1 ); remove( removePositionB, 1 ); expectChanges( [ { type: 'remove', name: '$text', length: 1, position: removePositionB }, { type: 'remove', name: '$text', length: 1, position: new Position( root, [ 0, 1 ] ) } ] ); } ); } ); it( 'before and after removed nodes in one operation', () => { const removePositionA = new Position( root, [ 0, 1 ] ); const removePositionB = new Position( root, [ 0, 0 ] ); model.change( () => { remove( removePositionA, 1 ); remove( removePositionB, 2 ); expectChanges( [ { type: 'remove', name: '$text', length: 3, position: removePositionB } ] ); } ); } ); it( 'before nodes that changed attributes', () => { const position = new Position( root, [ 0, 0 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 2 ), Position._createAt( p1, 3 ) ); model.change( () => { attribute( range, 'bold', null, true ); remove( position, 1 ); const newRange = new Range( Position._createAt( p1, 1 ), Position._createAt( p1, 2 ) ); expectChanges( [ { type: 'remove', name: '$text', length: 1, position }, { type: 'attribute', range: newRange, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'before nodes that changed attributes together with some changed nodes', () => { const position = new Position( root, [ 0, 0 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 1 ), Position._createAt( p1, 3 ) ); model.change( () => { attribute( range, 'bold', null, true ); remove( position, 2 ); const newRange = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 1 ) ); expectChanges( [ { type: 'remove', name: '$text', length: 2, position }, { type: 'attribute', range: newRange, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'some changed nodes', () => { const position = new Position( root, [ 0, 1 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 3 ) ); model.change( () => { attribute( range, 'bold', null, true ); remove( position, 1 ); const rangeBefore = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 1 ) ); const rangeAfter = new Range( Position._createAt( p1, 1 ), Position._createAt( p1, 2 ) ); expectChanges( [ { type: 'attribute', range: rangeBefore, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true }, { type: 'remove', name: '$text', length: 1, position }, { type: 'attribute', range: rangeAfter, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'some changed nodes and some nodes after', () => { const position = new Position( root, [ 0, 1 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 2 ) ); model.change( () => { attribute( range, 'bold', null, true ); remove( position, 2 ); const newRange = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 1 ) ); expectChanges( [ { type: 'attribute', range: newRange, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true }, { type: 'remove', name: '$text', length: 2, position } ] ); } ); } ); it( 'after changed nodes', () => { const position = new Position( root, [ 0, 2 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 1 ) ); model.change( () => { attribute( range, 'bold', null, true ); remove( position, 1 ); expectChanges( [ { type: 'attribute', range, attributeKey: 'bold', attributeOldValue: null, attributeNewValue: true }, { type: 'remove', name: '$text', length: 1, position } ] ); } ); } ); } ); // The only main difference between remove operation and move operation is target position. // In differ, graveyard is treated as other roots. In remove suite, simple cases for move are covered. // This suite will have only a few cases, focused on things specific to move operation. describe( 'move', () => { it( 'an element to the same parent - target position is after source position', () => { const sourcePosition = new Position( root, [ 0 ] ); const targetPosition = new Position( root, [ 2 ] ); model.change( () => { move( sourcePosition, 1, targetPosition ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ] ); } ); } ); it( 'an element to the same parent - target position is before source position', () => { const sourcePosition = new Position( root, [ 1 ] ); const targetPosition = new Position( root, [ 0 ] ); model.change( () => { move( sourcePosition, 1, targetPosition ); expectChanges( [ { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 2 ] ) } ] ); } ); } ); it( 'multiple consecutive characters between different roots in multiple operations', () => { const sourcePosition = new Position( root, [ 0, 1 ] ); const targetPosition = new Position( root, [ 1, 0 ] ); model.change( () => { move( sourcePosition, 1, targetPosition ); move( sourcePosition, 1, targetPosition.getShiftedBy( 1 ) ); expectChanges( [ { type: 'remove', name: '$text', length: 2, position: sourcePosition }, { type: 'insert', name: '$text', length: 2, position: targetPosition } ] ); } ); } ); it( 'reinsert removed element', () => { doc.graveyard._appendChild( new Element( 'listItem' ) ); const sourcePosition = new Position( doc.graveyard, [ 0 ] ); const targetPosition = new Position( root, [ 2 ] ); model.change( () => { move( sourcePosition, 1, targetPosition ); expectChanges( [ { type: 'insert', name: 'listItem', length: 1, position: targetPosition } ] ); } ); } ); // https://github.com/ckeditor/ckeditor5-engine/issues/1664 it( 'move to the same position #1', () => { const position = new Position( root, [ 0 ] ); model.change( () => { move( position, 1, position ); expectChanges( [] ); } ); } ); // https://github.com/ckeditor/ckeditor5-engine/issues/1664 it( 'move to the same position #2', () => { const sourcePosition = new Position( root, [ 0 ] ); const targetPosition = new Position( root, [ 2 ] ); // Add two more elements to the root, now there are 4 paragraphs. root._appendChild( [ new Element( 'paragraph' ), new Element( 'paragraph' ) ] ); model.change( () => { move( sourcePosition, 2, targetPosition ); expectChanges( [] ); } ); } ); } ); describe( 'rename', () => { it( 'an element', () => { model.change( () => { rename( root.getChild( 1 ), 'listItem' ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) }, { type: 'insert', name: 'listItem', length: 1, position: new Position( root, [ 1 ] ) } ] ); } ); } ); it( 'inside a new element', () => { // Since the rename is inside a new element, it should not be listed on changes list. model.change( () => { insert( new Element( 'blockQuote', null, new Element( 'paragraph' ) ), new Position( root, [ 2 ] ) ); rename( root.getChild( 2 ).getChild( 0 ), 'listItem' ); expectChanges( [ { type: 'insert', name: 'blockQuote', length: 1, position: new Position( root, [ 2 ] ) } ] ); } ); } ); it( 'markers refreshing', () => { // Since rename is "translated" to remove+insert pair, we need to refresh all the markers that // intersect with the renamed element. model.change( () => { // Renamed element contains marker. model.markers._set( 'markerA', new Range( new Position( root, [ 1, 1 ] ), new Position( root, [ 1, 2 ] ) ) ); // Marker contains renamed element. model.markers._set( 'markerB', new Range( new Position( root, [ 0 ] ), new Position( root, [ 2 ] ) ) ); // Intersecting. model.markers._set( 'markerC', new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 1, 2 ] ) ) ); // Not intersecting. model.markers._set( 'markerD', new Range( new Position( root, [ 0, 0 ] ), new Position( root, [ 1 ] ) ) ); } ); const markersToRefresh = [ 'markerA', 'markerB', 'markerC' ]; model.change( () => { rename( root.getChild( 1 ), 'listItem' ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) }, { type: 'insert', name: 'listItem', length: 1, position: new Position( root, [ 1 ] ) } ] ); const markersToRemove = differ.getMarkersToRemove().map( entry => entry.name ); const markersToAdd = differ.getMarkersToAdd().map( entry => entry.name ); expect( markersToRefresh ).to.deep.equal( markersToRemove ); expect( markersToRefresh ).to.deep.equal( markersToAdd ); } ); } ); } ); describe( 'attribute', () => { const attributeKey = 'key'; const attributeOldValue = null; const attributeNewValue = 'foo'; it( 'on an element', () => { const range = new Range( Position._createAt( root, 0 ), Position._createAt( root, 1 ) ); model.change( () => { attribute( range, attributeKey, attributeOldValue, attributeNewValue ); const diffRange = new Range( Position._createAt( root, 0 ), Position._createAt( root.getChild( 0 ), 0 ) ); expectChanges( [ { type: 'attribute', range: diffRange, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on an element - only one of many attributes changes', () => { const range = new Range( Position._createAt( root, 0 ), Position._createAt( root, 1 ) ); model.change( () => { // Set an attribute on an element. It won't change afterwards. attribute( range, 'otherAttr', null, true ); } ); model.change( () => { attribute( range, attributeKey, attributeOldValue, attributeNewValue ); const diffRange = new Range( Position._createAt( root, 0 ), Position._createAt( root.getChild( 0 ), 0 ) ); expectChanges( [ { type: 'attribute', range: diffRange, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on a character', () => { const parent = root.getChild( 1 ); const range = new Range( Position._createAt( parent, 1 ), Position._createAt( parent, 2 ) ); model.change( () => { attribute( range, attributeKey, attributeOldValue, attributeNewValue ); expectChanges( [ { type: 'attribute', range, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on a character - case with same characters next to each other', () => { const parent = root.getChild( 0 ); const range = new Range( Position._createAt( parent, 1 ), Position._createAt( parent, 2 ) ); model.change( () => { attribute( range, attributeKey, attributeOldValue, attributeNewValue ); expectChanges( [ { type: 'attribute', range, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on multiple characters', () => { const parent = root.getChild( 0 ); const range = new Range( Position._createAt( parent, 0 ), Position._createAt( parent, 3 ) ); model.change( () => { attribute( range, attributeKey, attributeOldValue, attributeNewValue ); expectChanges( [ { type: 'attribute', range, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on multiple consecutive characters in multiple operations', () => { const parent = root.getChild( 0 ); const range1 = new Range( Position._createAt( parent, 1 ), Position._createAt( parent, 2 ) ); const range2 = new Range( Position._createAt( parent, 2 ), Position._createAt( parent, 3 ) ); model.change( () => { attribute( range1, attributeKey, attributeOldValue, attributeNewValue ); attribute( range2, attributeKey, attributeOldValue, attributeNewValue ); const range = new Range( Position._createAt( parent, 1 ), Position._createAt( parent, 3 ) ); expectChanges( [ { type: 'attribute', range, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'attribute changes intersecting #1', () => { const parent = root.getChild( 1 ); // Be aware that you cannot make an intersecting changes with the same attribute key, // cause the value would be incorrect for the common part of the ranges. const ranges = [ [ 0, 2, null, true, 'foo' ], [ 1, 3, null, true, 'bar' ] ]; model.change( () => { for ( const item of ranges ) { const range = new Range( Position._createAt( parent, item[ 0 ] ), Position._createAt( parent, item[ 1 ] ) ); attribute( range, item[ 4 ], item[ 2 ], item[ 3 ] ); } expectChanges( [ { type: 'attribute', range: new Range( Position._createAt( parent, 0 ), Position._createAt( parent, 2 ) ), attributeKey: 'foo', attributeOldValue: null, attributeNewValue: true }, { type: 'attribute', range: new Range( Position._createAt( parent, 1 ), Position._createAt( parent, 3 ) ), attributeKey: 'bar', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'attribute changes intersecting #2', () => { const parent = root.getChild( 1 ); // Be aware that you cannot make an intersecting changes with the same attribute key, // cause the value would be incorrect for the common part of the ranges. const ranges = [ [ 1, 3, null, true, 'foo' ], [ 0, 2, null, true, 'bar' ] ]; model.change( () => { for ( const item of ranges ) { const range = new Range( Position._createAt( parent, item[ 0 ] ), Position._createAt( parent, item[ 1 ] ) ); attribute( range, item[ 4 ], item[ 2 ], item[ 3 ] ); } expectChanges( [ { type: 'attribute', range: new Range( Position._createAt( parent, 0 ), Position._createAt( parent, 1 ) ), attributeKey: 'bar', attributeOldValue: null, attributeNewValue: true }, { type: 'attribute', range: new Range( Position._createAt( parent, 1 ), Position._createAt( parent, 2 ) ), attributeKey: 'foo', attributeOldValue: null, attributeNewValue: true }, { type: 'attribute', range: new Range( Position._createAt( parent, 1 ), Position._createAt( parent, 2 ) ), attributeKey: 'bar', attributeOldValue: null, attributeNewValue: true }, { type: 'attribute', range: new Range( Position._createAt( parent, 2 ), Position._createAt( parent, 3 ) ), attributeKey: 'foo', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'attribute changes included in an attribute change #1 - changes are reversed at the end', () => { const parent = root.getChild( 1 ); const ranges = [ [ 0, 1, null, true ], [ 1, 2, null, true ], [ 0, 2, true, null ] ]; model.change( () => { for ( const item of ranges ) { const range = new Range( Position._createAt( parent, item[ 0 ] ), Position._createAt( parent, item[ 1 ] ) ); attribute( range, attributeKey, item[ 2 ], item[ 3 ] ); } expectChanges( [] ); } ); } ); it( 'attribute changes included in an attribute change #2 - changes are re-applied at the end', () => { const parent = root.getChild( 1 ); const ranges = [ [ 0, 1, null, true ], [ 1, 2, null, true ], [ 0, 2, true, null ], [ 0, 1, null, true ], [ 1, 2, null, true ] ]; model.change( () => { for ( const item of ranges ) { const range = new Range( Position._createAt( parent, item[ 0 ] ), Position._createAt( parent, item[ 1 ] ) ); attribute( range, attributeKey, item[ 2 ], item[ 3 ] ); } expectChanges( [ { type: 'attribute', range: new Range( Position._createAt( parent, 0 ), Position._createAt( parent, 2 ) ), attributeKey, attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'on multiple non-consecutive characters in multiple operations', () => { const parent = root.getChild( 0 ); const range1 = new Range( Position._createAt( parent, 0 ), Position._createAt( parent, 1 ) ); const range2 = new Range( Position._createAt( parent, 2 ), Position._createAt( parent, 3 ) ); model.change( () => { // Note "reversed" order of ranges. Further range is changed first. attribute( range2, attributeKey, attributeOldValue, attributeNewValue ); attribute( range1, attributeKey, attributeOldValue, attributeNewValue ); // Note that changes has been sorted. expectChanges( [ { type: 'attribute', range: range1, attributeKey, attributeOldValue, attributeNewValue }, { type: 'attribute', range: range2, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on range containing various nodes', () => { const range = new Range( Position._createAt( root, 0 ), Position._createAt( root, 2 ) ); model.change( () => { attribute( range, attributeKey, attributeOldValue, attributeNewValue ); const p1 = root.getChild( 0 ); const p2 = root.getChild( 1 ); const type = 'attribute'; expectChanges( [ { type, range: new Range( Position._createAt( root, 0 ), Position._createAt( p1, 0 ) ), attributeKey, attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( root, 1 ), Position._createAt( p2, 0 ) ), attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'remove attribute and add attribute on text', () => { const p = root.getChild( 1 ); p.getChild( 0 )._setAttribute( 'bold', true ); const range = new Range( Position._createAt( p, 1 ), Position._createAt( p, 3 ) ); model.change( () => { attribute( range, 'bold', true, null ); attribute( range, 'italic', null, true ); const range1 = new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ); const range2 = new Range( Position._createAt( p, 2 ), Position._createAt( p, 3 ) ); // Attribute change glueing does not work 100% correct. expectChanges( [ { type: 'attribute', range: range1, attributeKey: 'bold', attributeOldValue: true, attributeNewValue: null }, { type: 'attribute', range: range1, attributeKey: 'italic', attributeOldValue: null, attributeNewValue: true }, { type: 'attribute', range: range2, attributeKey: 'bold', attributeOldValue: true, attributeNewValue: null }, { type: 'attribute', range: range2, attributeKey: 'italic', attributeOldValue: null, attributeNewValue: true } ] ); } ); } ); it( 'on some old nodes and inserted nodes', () => { const position = new Position( root, [ 0, 1 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 2 ) ); model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, attributeKey, attributeOldValue, attributeNewValue ); const rangeBefore = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 1 ) ); expectChanges( [ { type: 'attribute', range: rangeBefore, attributeKey, attributeOldValue, attributeNewValue }, { type: 'insert', name: '$text', length: 2, position } ] ); } ); } ); it( 'only on inserted nodes', () => { const position = new Position( root, [ 0, 1 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 2 ), Position._createAt( p1, 3 ) ); model.change( () => { insert( new Text( 'xxx' ), position ); attribute( range, attributeKey, attributeOldValue, attributeNewValue ); expectChanges( [ { type: 'insert', name: '$text', length: 3, position } ] ); } ); } ); it( 'on some inserted nodes and old nodes', () => { const position = new Position( root, [ 0, 1 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 2 ), Position._createAt( p1, 4 ) ); model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, attributeKey, attributeOldValue, attributeNewValue ); const rangeAfter = new Range( Position._createAt( p1, 3 ), Position._createAt( p1, 4 ) ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAfter, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'over all inserted nodes and some old nodes', () => { const position = new Position( root, [ 0, 1 ] ); const p1 = root.getChild( 0 ); const range = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 4 ) ); model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, attributeKey, attributeOldValue, attributeNewValue ); const rangeBefore = new Range( Position._createAt( p1, 0 ), Position._createAt( p1, 1 ) ); const rangeAfter = new Range( Position._createAt( p1, 3 ), Position._createAt( p1, 4 ) ); expectChanges( [ { type: 'attribute', range: rangeBefore, attributeKey, attributeOldValue, attributeNewValue }, { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAfter, attributeKey, attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on some not changed and some changed nodes', () => { const p = root.getChild( 0 ); const rangeA = new Range( Position._createAt( p, 1 ), Position._createAt( p, 3 ) ); const rangeB = new Range( Position._createAt( p, 0 ), Position._createAt( p, 2 ) ); model.change( () => { attribute( rangeA, 'a', null, true ); attribute( rangeB, 'b', null, true ); const type = 'attribute'; const attributeOldValue = null; const attributeNewValue = true; // Attribute change glueing does not work 100% correct. expectChanges( [ { type, range: new Range( Position._createAt( p, 0 ), Position._createAt( p, 1 ) ), attributeKey: 'b', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ), attributeKey: 'b', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 2 ), Position._createAt( p, 3 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on already changed nodes', () => { const p = root.getChild( 1 ); const rangeA = new Range( Position._createAt( p, 0 ), Position._createAt( p, 3 ) ); const rangeB = new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ); model.change( () => { attribute( rangeA, 'a', null, true ); attribute( rangeB, 'b', null, true ); const type = 'attribute'; const attributeOldValue = null; const attributeNewValue = true; // Attribute change glueing does not work 100% correct. expectChanges( [ { type, range: new Range( Position._createAt( p, 0 ), Position._createAt( p, 2 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ), attributeKey: 'b', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 2 ), Position._createAt( p, 3 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on some changed and some not changed nodes', () => { const p = root.getChild( 1 ); const rangeA = new Range( Position._createAt( p, 0 ), Position._createAt( p, 2 ) ); const rangeB = new Range( Position._createAt( p, 1 ), Position._createAt( p, 3 ) ); model.change( () => { attribute( rangeA, 'a', null, true ); attribute( rangeB, 'b', null, true ); const type = 'attribute'; const attributeOldValue = null; const attributeNewValue = true; expectChanges( [ { type, range: new Range( Position._createAt( p, 0 ), Position._createAt( p, 2 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 1 ), Position._createAt( p, 3 ) ), attributeKey: 'b', attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'on an element that got some nodes inserted', () => { const p = root.getChild( 0 ); model.change( () => { insert( new Text( 'x' ), Position._createAt( p, 3 ) ); insert( new Text( 'x' ), Position._createAt( p, 4 ) ); insert( new Text( 'x' ), Position._createAt( p, 5 ) ); attribute( new Range( Position._createAt( root, 0 ), Position._createAt( root, 1 ) ), 'a', null, true ); insert( new Text( 'y' ), Position._createAt( p, 6 ) ); expectChanges( [ { type: 'attribute', range: new Range( Position._createAt( root, 0 ), Position._createAt( p, 0 ) ), attributeKey: 'a', attributeOldValue: null, attributeNewValue: true }, { type: 'insert', position: Position._createAt( p, 3 ), length: 4, name: '$text' } ] ); } ); } ); it( 'over all changed nodes and some not changed nodes', () => { const p = root.getChild( 0 ); const rangeA = new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ); const rangeB = new Range( Position._createAt( p, 0 ), Position._createAt( p, 3 ) ); model.change( () => { attribute( rangeA, 'a', null, true ); attribute( rangeB, 'b', null, true ); const type = 'attribute'; const attributeOldValue = null; const attributeNewValue = true; // Attribute change glueing does not work 100% correct. expectChanges( [ { type, range: new Range( Position._createAt( p, 0 ), Position._createAt( p, 1 ) ), attributeKey: 'b', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue }, { type, range: new Range( Position._createAt( p, 1 ), Position._createAt( p, 3 ) ), attributeKey: 'b', attributeOldValue, attributeNewValue } ] ); } ); } ); it( 'add attribute after some text was removed', () => { const p = root.getChild( 0 ); const range = new Range( Position._createAt( p, 0 ), Position._createAt( p, 2 ) ); const position = Position._createAt( p, 1 ); model.change( () => { remove( position, 1 ); attribute( range, 'a', null, true ); const type = 'attribute'; const attributeOldValue = null; const attributeNewValue = true; // Attribute change glueing does not work 100% correct. expectChanges( [ { type, range: new Range( Position._createAt( p, 0 ), Position._createAt( p, 1 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue }, { type: 'remove', position, length: 1, name: '$text' }, { type, range: new Range( Position._createAt( p, 1 ), Position._createAt( p, 2 ) ), attributeKey: 'a', attributeOldValue, attributeNewValue } ] ); } ); } ); } ); describe( 'split', () => { it( 'split an element', () => { const position = new Position( root, [ 0, 2 ] ); model.change( () => { split( position ); expectChanges( [ { type: 'remove', name: '$text', length: 1, position }, { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ] ); } ); } ); it( 'split a new element', () => { model.change( () => { insert( new Element( 'paragraph', null, new Text( 'Ab' ) ), new Position( root, [ 0 ] ) ); split( new Position( root, [ 0, 1 ] ) ); expectChanges( [ { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ] ); } ); } ); it( 'split an element inside a new element', () => { model.change( () => { insert( new Element( 'blockQuote', null, new Element( 'paragraph', null, new Text( 'Ab' ) ) ), new Position( root, [ 0 ] ) ); split( new Position( root, [ 0, 0, 1 ] ) ); expectChanges( [ { type: 'insert', name: 'blockQuote', length: 1, position: new Position( root, [ 0 ] ) } ] ); } ); } ); it( 'should correctly mark a change in graveyard', () => { model.change( () => { merge( new Position( root, [ 1, 0 ] ), new Position( root, [ 0, 3 ] ) ); } ); model.change( () => { const position = new Position( root, [ 0, 3 ] ); const operation = new SplitOperation( position, 3, new Position( doc.graveyard, [ 0 ] ), doc.version ); model.applyOperation( operation ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: new Position( doc.graveyard, [ 0 ] ) }, { type: 'remove', name: '$text', length: 3, position: new Position( root, [ 0, 3 ] ) }, { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ], true ); } ); } ); } ); describe( 'merge', () => { it( 'merge two elements', () => { model.change( () => { merge( new Position( root, [ 1, 0 ] ), new Position( root, [ 0, 3 ] ) ); expectChanges( [ { type: 'insert', name: '$text', length: 3, position: new Position( root, [ 0, 3 ] ) }, { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ] ); } ); } ); it( 'merge a new element', () => { model.change( () => { insert( new Element( 'paragraph', null, new Text( 'Ab' ) ), new Position( root, [ 1 ] ) ); merge( new Position( root, [ 1, 0 ] ), new Position( root, [ 0, 3 ] ) ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position: new Position( root, [ 0, 3 ] ) } ] ); } ); } ); it( 'merge into a new element', () => { model.change( () => { insert( new Element( 'paragraph', null, new Text( 'Ab' ) ), new Position( root, [ 0 ] ) ); merge( new Position( root, [ 1, 0 ] ), new Position( root, [ 0, 2 ] ) ); expectChanges( [ { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ] ); } ); } ); it( 'merge elements inside a new element', () => { model.change( () => { insert( new Element( 'blockQuote', null, [ new Element( 'paragraph', null, new Text( 'Ab' ) ), new Element( 'paragraph', null, new Text( 'Xyz' ) ) ] ), new Position( root, [ 0 ] ) ); merge( new Position( root, [ 0, 1, 0 ] ), new Position( root, [ 0, 0, 2 ] ) ); expectChanges( [ { type: 'insert', name: 'blockQuote', length: 1, position: new Position( root, [ 0 ] ) } ] ); } ); } ); it( 'should correctly mark a change in graveyard', () => { model.change( () => { merge( new Position( root, [ 1, 0 ] ), new Position( root, [ 0, 3 ] ) ); expectChanges( [ { type: 'insert', name: 'paragraph', length: 1, position: new Position( doc.graveyard, [ 0 ] ) }, { type: 'insert', name: '$text', length: 3, position: new Position( root, [ 0, 3 ] ) }, { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ], true ); } ); } ); } ); describe( 'markers', () => { let range, rangeB; beforeEach( () => { range = new Range( Position._createAt( root, 0 ), Position._createAt( root, 1 ) ); rangeB = new Range( Position._createAt( root, 1 ), Position._createAt( root, 2 ) ); } ); it( 'add marker', () => { differ.bufferMarkerChange( 'name', null, range, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getChangedMarkers() ).to.deep.equal( [ { name: 'name', data: { oldRange: null, newRange: range } } ] ); } ); it( 'remove marker', () => { differ.bufferMarkerChange( 'name', range, null, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [] ); expect( differ.getChangedMarkers() ).to.deep.equal( [ { name: 'name', data: { oldRange: range, newRange: null } } ] ); } ); it( 'change marker\'s range', () => { differ.bufferMarkerChange( 'name', range, rangeB, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [ { name: 'name', range: rangeB } ] ); expect( differ.getChangedMarkers() ).to.deep.equal( [ { name: 'name', data: { oldRange: range, newRange: rangeB } } ] ); } ); it( 'add marker not affecting data', () => { differ.bufferMarkerChange( 'name', range, rangeB, false ); expect( differ.hasDataChanges() ).to.be.false; } ); it( 'add marker affecting data', () => { differ.bufferMarkerChange( 'name', range, rangeB, true ); expect( differ.hasDataChanges() ).to.be.true; } ); it( 'add marker and remove it', () => { differ.bufferMarkerChange( 'name', null, range, true ); differ.bufferMarkerChange( 'name', range, null, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [] ); expect( differ.getChangedMarkers() ).to.deep.equal( [] ); expect( differ.hasDataChanges() ).to.be.false; } ); it( 'add marker and change it', () => { differ.bufferMarkerChange( 'name', null, range, true ); differ.bufferMarkerChange( 'name', range, rangeB, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [ { name: 'name', range: rangeB } ] ); expect( differ.getChangedMarkers() ).to.deep.equal( [ { name: 'name', data: { oldRange: null, newRange: rangeB } } ] ); } ); it( 'change marker to not affecting data', () => { differ.bufferMarkerChange( 'name', range, rangeB, true ); differ.bufferMarkerChange( 'name', range, rangeB, false ); expect( differ.hasDataChanges() ).to.be.false; } ); it( 'change marker and remove it', () => { differ.bufferMarkerChange( 'name', range, rangeB, true ); differ.bufferMarkerChange( 'name', rangeB, null, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [] ); expect( differ.getChangedMarkers() ).to.deep.equal( [ { name: 'name', data: { oldRange: range, newRange: null } } ] ); expect( differ.hasDataChanges() ).to.be.true; } ); it( 'remove marker and add it at same range', () => { differ.bufferMarkerChange( 'name', range, null, true ); differ.bufferMarkerChange( 'name', null, range, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getChangedMarkers() ).to.deep.equal( [ { name: 'name', data: { oldRange: range, newRange: range } } ] ); } ); it( 'change marker to the same range', () => { differ.bufferMarkerChange( 'name', range, range, true ); expect( differ.getMarkersToRemove() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getMarkersToAdd() ).to.deep.equal( [ { name: 'name', range } ] ); expect( differ.getChangedMarkers() ).to.deep.equal( [ { name: 'name', data: { oldRange: range, newRange: range } } ] ); } ); } ); describe( 'other cases', () => { // #1309. it( 'multiple inserts and removes in one element', () => { model.change( () => { insert( new Text( 'x' ), new Position( root, [ 0, 2 ] ) ); insert( new Text( 'x' ), new Position( root, [ 0, 3 ] ) ); move( new Position( root, [ 0, 2 ] ), 1, new Position( root, [ 1, 0 ] ) ); expectChanges( [ { type: 'insert', name: '$text', length: 1, position: new Position( root, [ 0, 2 ] ) }, { type: 'insert', name: '$text', length: 1, position: new Position( root, [ 1, 0 ] ) } ] ); } ); } ); // ckeditor5#733. it( 'proper filtering of changes in removed elements', () => { // Before fix there was a buggy scenario described in ckeditor5#733. // There was this structure: `foo[

te]xt

` // On delete of above selection `image` and `paragraph` inside `blockQuote` are removed (it gets merged). // However, since `image` was removed first, when checking if `paragraph` is in a removed element, // it appeared that `blockQuote` looks like it is removed because it had the same path as the already removed ``. // In a result, removing `paragraph` was discarded. // The mistake was that the checking for removing was done at incorrect moment. root._removeChildren( 0, root.childCount ); root._appendChild( [ new Element( 'paragraph', null, new Text( 'foo' ) ), new Element( 'image' ), new Element( 'blockQuote', null, [ new Element( 'paragraph', null, new Text( 'text' ) ) ] ) ] ); model.change( () => { // Remove `"te"`. remove( new Position( root, [ 2, 0, 0 ] ), 2 ); // Remove `image` before `blockQuote`. remove( new Position( root, [ 1 ] ), 1 ); // Move `"xt"` to first `paragraph` (merging). move( new Position( root, [ 1, 0, 0 ] ), 2, new Position( root, [ 0, 3 ] ) ); // Remove `paragraph` inside `blockQuote`. remove( new Position( root, [ 1, 0 ] ), 1 ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position: new Position( root, [ 0, 3 ] ) }, { type: 'remove', name: 'image', length: 1, position: new Position( root, [ 1 ] ) }, { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 1, 0 ] ) } ] ); } ); } ); // In this scenario we create a new element, then remove something from before it to mess up with offsets, // finally we insert some content into a new element. Since we are inserting into a new element, the // inserted children should not be shown on changes list. it( 'proper filtering of changes in inserted elements', () => { root._removeChildren( 0, root.childCount ); root._appendChild( new Element( 'image' ) ); const blockQuote = new Element( 'blockQuote', null, new Element( 'paragraph' ) ); model.change( () => { // Insert `blockQuote` with `paragraph` after `image`. insert( blockQuote, new Position( root, [ 1 ] ) ); // Remove `image` from before `blockQuote`. remove( new Position( root, [ 0 ] ), 1 ); // Insert text into `paragraph` in `blockQuote`. insert( new Text( 'foo' ), new Position( root, [ 0, 0, 0 ] ) ); expectChanges( [ { type: 'remove', name: 'image', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'insert', name: 'blockQuote', length: 1, position: new Position( root, [ 0 ] ) } ] ); } ); } ); // In this scenario we create a new element, then move another element that was before the new element into // the new element. This way we mess up with offsets and insert content into a new element in one operation. // Since we are inserting into a new element, the insertion of moved element should not be shown on changes list. it( 'proper filtering of changes in inserted elements #2', () => { root._removeChildren( 0, root.childCount ); root._appendChild( new Element( 'image' ) ); model.change( () => { // Insert `div` after `image`. insert( new Element( 'div' ), new Position( root, [ 1 ] ) ); // Move `image` to the new `div`. move( new Position( root, [ 0 ] ), 1, new Position( root, [ 1, 0 ] ) ); expectChanges( [ { type: 'remove', name: 'image', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'insert', name: 'div', length: 1, position: new Position( root, [ 0 ] ) } ] ); } ); } ); // #1392. it( 'remove is correctly transformed by multiple affecting changes', () => { root._appendChild( new Element( 'paragraph', null, new Text( 'xyz' ) ) ); model.change( writer => { rename( root.getChild( 1 ), 'heading' ); rename( root.getChild( 2 ), 'heading' ); remove( writer.createPositionAt( root, 0 ), 3 ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) }, { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) } ] ); } ); } ); } ); describe( 'refreshItem()', () => { it( 'should mark given element to be removed and added again', () => { const p = root.getChild( 0 ); differ.refreshItem( p ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: model.createPositionBefore( p ) }, { type: 'insert', name: 'paragraph', length: 1, position: model.createPositionBefore( p ) } ], true ); } ); it( 'should mark given text proxy to be removed and added again', () => { const p = root.getChild( 0 ); const range = model.createRangeIn( p ); const textProxy = [ ...range.getItems() ][ 0 ]; differ.refreshItem( textProxy ); expectChanges( [ { type: 'remove', name: '$text', length: 3, position: model.createPositionAt( p, 0 ) }, { type: 'insert', name: '$text', length: 3, position: model.createPositionAt( p, 0 ) } ], true ); } ); it( 'inside a new element', () => { // Since the refreshed element is inside a new element, it should not be listed on changes list. model.change( () => { insert( new Element( 'blockQuote', null, new Element( 'paragraph' ) ), new Position( root, [ 2 ] ) ); differ.refreshItem( root.getChild( 2 ).getChild( 0 ) ); expectChanges( [ { type: 'insert', name: 'blockQuote', length: 1, position: new Position( root, [ 2 ] ) } ] ); } ); } ); it( 'markers refreshing', () => { model.change( () => { // Refreshed element contains marker. model.markers._set( 'markerA', new Range( new Position( root, [ 1, 1 ] ), new Position( root, [ 1, 2 ] ) ) ); // Marker contains refreshed element. model.markers._set( 'markerB', new Range( new Position( root, [ 0 ] ), new Position( root, [ 2 ] ) ) ); // Intersecting. model.markers._set( 'markerC', new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 1, 2 ] ) ) ); // Not intersecting. model.markers._set( 'markerD', new Range( new Position( root, [ 0, 0 ] ), new Position( root, [ 1 ] ) ) ); } ); const markersToRefresh = [ 'markerA', 'markerB', 'markerC' ]; differ.refreshItem( root.getChild( 1 ) ); expectChanges( [ { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) }, { type: 'insert', name: 'paragraph', length: 1, position: new Position( root, [ 1 ] ) } ] ); const markersToRemove = differ.getMarkersToRemove().map( entry => entry.name ); const markersToAdd = differ.getMarkersToAdd().map( entry => entry.name ); expect( markersToRefresh ).to.deep.equal( markersToRemove ); expect( markersToRefresh ).to.deep.equal( markersToAdd ); } ); } ); describe( 'getChanges()', () => { let position, p1, rangeAttrChange, range; beforeEach( () => { position = new Position( root, [ 0, 1 ] ); p1 = root.getChild( 0 ); range = new Range( Position._createAt( p1, 2 ), Position._createAt( p1, 4 ) ); rangeAttrChange = new Range( Position._createAt( p1, 3 ), Position._createAt( p1, 4 ) ); } ); it( 'should return changes in graveyard if a flag was set up', () => { const removePosition = new Position( root, [ 1 ] ); model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, 'key', null, 'foo' ); remove( removePosition, 1 ); expectChanges( [ { type: 'insert', name: 'paragraph', length: 1, position: new Position( doc.graveyard, [ 0 ] ) }, { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAttrChange, attributeKey: 'key', attributeOldValue: null, attributeNewValue: 'foo' }, { type: 'remove', name: 'paragraph', position: removePosition, length: 1 } ], true ); } ); } ); // Below tests test caching. it( 'should return same change set if was called twice in a row', () => { model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, 'key', null, 'foo' ); const changesA = differ.getChanges(); const changesB = differ.getChanges(); expect( changesA ).to.deep.equal( changesB ); } ); } ); it( 'should return same change set if was called twice in a row - graveyard changes', () => { model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, 'key', null, 'foo' ); const removePosition = new Position( root, [ 1 ] ); remove( removePosition, 1 ); const changesA = differ.getChanges( { includeChangesInGraveyard: true } ); const changesB = differ.getChanges( { includeChangesInGraveyard: true } ); expect( changesA ).to.deep.equal( changesB ); } ); } ); it( 'should return correct changes if change happened between getChanges() calls', () => { model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, 'key', null, 'foo' ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAttrChange, attributeKey: 'key', attributeOldValue: null, attributeNewValue: 'foo' } ] ); const removePosition = new Position( root, [ 1 ] ); remove( removePosition, 1 ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAttrChange, attributeKey: 'key', attributeOldValue: null, attributeNewValue: 'foo' }, { type: 'remove', name: 'paragraph', position: removePosition, length: 1 } ] ); } ); } ); it( 'should return correct changes if reset happened between getChanges() calls', () => { model.change( () => { insert( new Text( 'xx' ), position ); attribute( range, 'key', null, 'foo' ); expectChanges( [ { type: 'insert', name: '$text', length: 2, position }, { type: 'attribute', range: rangeAttrChange, attributeKey: 'key', attributeOldValue: null, attributeNewValue: 'foo' } ] ); differ.reset(); const removePosition = new Position( root, [ 1 ] ); remove( removePosition, 1 ); expectChanges( [ { type: 'remove', name: 'paragraph', position: removePosition, length: 1 } ] ); } ); } ); } ); function insert( item, position ) { const operation = new InsertOperation( position, item, doc.version ); model.applyOperation( operation ); } function split( position ) { const howMany = position.parent.maxOffset - position.offset; const operation = new SplitOperation( position, howMany, null, doc.version ); model.applyOperation( operation ); } function merge( source, target ) { const howMany = source.parent.maxOffset; const operation = new MergeOperation( source, howMany, target, new Position( doc.graveyard, [ 0 ] ), doc.version ); model.applyOperation( operation ); } function remove( sourcePosition, howMany ) { const targetPosition = Position._createAt( doc.graveyard, doc.graveyard.maxOffset ); const operation = new MoveOperation( sourcePosition, howMany, targetPosition, doc.version ); model.applyOperation( operation ); } function move( sourcePosition, howMany, targetPosition ) { const operation = new MoveOperation( sourcePosition, howMany, targetPosition, doc.version ); model.applyOperation( operation ); } function rename( element, newName ) { const operation = new RenameOperation( Position._createBefore( element ), element.name, newName, doc.version ); model.applyOperation( operation ); } function attribute( range, key, oldValue, newValue ) { const operation = new AttributeOperation( range, key, oldValue, newValue, doc.version ); model.applyOperation( operation ); } function expectChanges( expected, includeChangesInGraveyard = false ) { const changes = differ.getChanges( { includeChangesInGraveyard } ); expect( changes.length ).to.equal( expected.length ); for ( let i = 0; i < expected.length; i++ ) { for ( const key in expected[ i ] ) { if ( Object.prototype.hasOwnProperty.call( expected[ i ], key ) ) { if ( key == 'position' || key == 'range' ) { expect( changes[ i ][ key ].isEqual( expected[ i ][ key ] ), `item ${ i }, key "${ key }"` ).to.be.true; } else { expect( changes[ i ][ key ], `item ${ i }, key "${ key }"` ).to.equal( expected[ i ][ key ] ); } } } } } } );