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- /**
- * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- 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 RemoveOperation from '../../src/model/operation/removeoperation';
- import MoveOperation from '../../src/model/operation/moveoperation';
- import RenameOperation from '../../src/model/operation/renameoperation';
- import AttributeOperation from '../../src/model/operation/attributeoperation';
- import { wrapInDelta } from '../../tests/model/_utils/utils';
- describe( 'Differ', () => {
- let doc, differ, root, model;
- beforeEach( () => {
- model = new Model();
- doc = model.document;
- differ = doc.differ;
- root = doc.createRoot();
- root._appendChildren( [
- 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: '$text', length: 1, position: position.getShiftedBy( 3 ) }
- ] );
- } );
- } );
- // Combined.
- it( 'node in a new element', () => {
- const image = new Element( 'image' );
- const position = new Position( root, [ 1 ] );
- model.change( () => {
- insert( image, position );
- const caption = new Element( 'caption' );
- insert( caption, Position.createAt( image, 0 ) );
- insert( new Text( 'foo' ), Position.createAt( caption, 0 ) );
- expectChanges( [
- { type: 'insert', name: 'image', length: 1, position }
- ] );
- } );
- } );
- it( 'node in a renamed element', () => {
- const text = new Text( 'xyz', { bold: true } );
- const position = new Position( root, [ 0, 3 ] );
- model.change( () => {
- insert( text, position );
- rename( root.getChild( 0 ), 'listItem' );
- // Note that since renamed element is removed and then re-inserted, there is no diff for text inserted inside it.
- expectChanges( [
- { type: 'remove', name: 'paragraph', length: 1, position: new Position( root, [ 0 ] ) },
- { type: 'insert', name: 'listItem', length: 1, position: new Position( root, [ 0 ] ) }
- ] );
- } );
- } );
- it( 'node in a element with changed attribute', () => {
- const text = new Text( 'xyz', { bold: true } );
- const position = new Position( root, [ 0, 3 ] );
- const range = Range.createFromParentsAndOffsets( root, 0, root.getChild( 0 ), 0 );
- model.change( () => {
- insert( text, position );
- attribute( range, 'align', null, 'center' );
- // Compare to scenario above, this time there is only an attribute change on parent element,
- // so there is also a diff for text.
- expectChanges( [
- { type: 'attribute', range, attributeKey: 'align', attributeOldValue: null, attributeNewValue: 'center' },
- { type: 'insert', name: '$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: '$text' }
- ] );
- } );
- } );
- it( 'nodes before nodes with changed attributes', () => {
- const p1 = root.getChild( 0 );
- const range = Range.createFromParentsAndOffsets( p1, 1, p1, 3 );
- const position = new Position( root, [ 0, 0 ] );
- model.change( () => {
- attribute( range, 'bold', null, true );
- insert( new Text( 'xx' ), position );
- const rangeAfter = Range.createFromParentsAndOffsets( p1, 3, p1, 5 );
- expectChanges( [
- { type: 'insert', name: '$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 = Range.createFromParentsAndOffsets( p1, 1, p1, 3 );
- const position = new Position( root, [ 0, 2 ] );
- model.change( () => {
- attribute( range, 'bold', null, true );
- insert( new Text( 'xx' ), position );
- const rangeBefore = Range.createFromParentsAndOffsets( p1, 1, p1, 2 );
- const rangeAfter = Range.createFromParentsAndOffsets( p1, 4, p1, 5 );
- expectChanges( [
- {
- type: 'attribute',
- range: rangeBefore,
- attributeKey: 'bold',
- attributeOldValue: null,
- attributeNewValue: true
- },
- { type: 'insert', name: '$text', length: 2, position },
- {
- type: 'attribute',
- range: rangeAfter,
- attributeKey: 'bold',
- attributeOldValue: null,
- attributeNewValue: true
- }
- ] );
- } );
- } );
- it( 'nodes after nodes with changed attributes', () => {
- const p1 = root.getChild( 0 );
- const range = Range.createFromParentsAndOffsets( p1, 1, p1, 3 );
- const position = new Position( root, [ 0, 3 ] );
- model.change( () => {
- attribute( range, 'bold', null, true );
- insert( new Text( 'xx' ), position );
- expectChanges( [
- {
- type: 'attribute',
- range,
- attributeKey: 'bold',
- attributeOldValue: null,
- attributeNewValue: true
- },
- { type: 'insert', name: '$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: '$text', length: 1, position: new Position( root, [ 0, 1 ] ) }
- ] );
- } );
- } );
- it( 'multiple characters', () => {
- const position = new Position( root, [ 0, 1 ] );
- model.change( () => {
- remove( position, 2 );
- expectChanges( [
- { type: 'remove', name: '$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: '$text', length: 3, position: removePositionB },
- ] );
- } );
- } );
- it( 'before nodes that changed attributes', () => {
- const position = new Position( root, [ 0, 0 ] );
- const p1 = root.getChild( 0 );
- const range = Range.createFromParentsAndOffsets( p1, 2, p1, 3 );
- model.change( () => {
- attribute( range, 'bold', null, true );
- remove( position, 1 );
- const newRange = Range.createFromParentsAndOffsets( p1, 1, p1, 2 );
- expectChanges( [
- { type: 'remove', name: '$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 = Range.createFromParentsAndOffsets( p1, 1, p1, 3 );
- model.change( () => {
- attribute( range, 'bold', null, true );
- remove( position, 2 );
- const newRange = Range.createFromParentsAndOffsets( p1, 0, p1, 1 );
- expectChanges( [
- { type: 'remove', name: '$text', length: 2, position },
- {
- type: 'attribute',
- range: newRange,
- attributeKey: 'bold',
- attributeOldValue: null,
- attributeNewValue: true
- }
- ] );
- } );
- } );
- it( 'some changed nodes', () => {
- const position = new Position( root, [ 0, 1 ] );
- const p1 = root.getChild( 0 );
- const range = Range.createFromParentsAndOffsets( p1, 0, p1, 3 );
- model.change( () => {
- attribute( range, 'bold', null, true );
- remove( position, 1 );
- const rangeBefore = Range.createFromParentsAndOffsets( p1, 0, p1, 1 );
- const rangeAfter = Range.createFromParentsAndOffsets( p1, 1, p1, 2 );
- expectChanges( [
- {
- type: 'attribute',
- range: rangeBefore,
- attributeKey: 'bold',
- attributeOldValue: null,
- attributeNewValue: true
- },
- { type: 'remove', name: '$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 = Range.createFromParentsAndOffsets( p1, 0, p1, 2 );
- model.change( () => {
- attribute( range, 'bold', null, true );
- remove( position, 2 );
- const newRange = Range.createFromParentsAndOffsets( p1, 0, p1, 1 );
- expectChanges( [
- {
- type: 'attribute',
- range: newRange,
- attributeKey: 'bold',
- attributeOldValue: null,
- attributeNewValue: true
- },
- { type: 'remove', name: '$text', length: 2, position }
- ] );
- } );
- } );
- it( 'after changed nodes', () => {
- const position = new Position( root, [ 0, 2 ] );
- const p1 = root.getChild( 0 );
- const range = Range.createFromParentsAndOffsets( p1, 0, p1, 1 );
- model.change( () => {
- attribute( range, 'bold', null, true );
- remove( position, 1 );
- expectChanges( [
- {
- type: 'attribute',
- range,
- attributeKey: 'bold',
- attributeOldValue: null,
- attributeNewValue: true
- },
- { type: 'remove', name: '$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._appendChildren( 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 }
- ] );
- } );
- } );
- } );
- 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 = Range.createFromParentsAndOffsets( root, 0, root.getChild( 0 ), 0 );
- model.change( () => {
- attribute( range, attributeKey, attributeOldValue, attributeNewValue );
- expectChanges( [
- { type: 'attribute', range, attributeKey, attributeOldValue, attributeNewValue }
- ] );
- } );
- } );
- it( 'on an element - only one of many attributes changes', () => {
- const range = Range.createFromParentsAndOffsets( root, 0, root.getChild( 0 ), 0 );
- 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 );
- expectChanges( [
- { type: 'attribute', range, attributeKey, attributeOldValue, attributeNewValue }
- ] );
- } );
- } );
- it( 'on a character', () => {
- const parent = root.getChild( 1 );
- const range = Range.createFromParentsAndOffsets( parent, 1, 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 = Range.createFromParentsAndOffsets( parent, 1, 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 = Range.createFromParentsAndOffsets( parent, 0, 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 = Range.createFromParentsAndOffsets( parent, 1, parent, 2 );
- const range2 = Range.createFromParentsAndOffsets( parent, 2, parent, 3 );
- model.change( () => {
- attribute( range1, attributeKey, attributeOldValue, attributeNewValue );
- attribute( range2, attributeKey, attributeOldValue, attributeNewValue );
- const range = Range.createFromParentsAndOffsets( parent, 1, parent, 3 );
- expectChanges( [
- { type: 'attribute', range, attributeKey, attributeOldValue, attributeNewValue }
- ] );
- } );
- } );
- it( 'on multiple non-consecutive characters in multiple operations', () => {
- const parent = root.getChild( 0 );
- const range1 = Range.createFromParentsAndOffsets( parent, 0, parent, 1 );
- const range2 = Range.createFromParentsAndOffsets( parent, 2, 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 = Range.createFromParentsAndOffsets( root, 0, 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: Range.createFromParentsAndOffsets( root, 0, p1, 0 ),
- attributeKey,
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p1, 0, p1, 3 ),
- attributeKey,
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( root, 1, p2, 0 ),
- attributeKey,
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p2, 0, p2, 3 ),
- attributeKey,
- attributeOldValue,
- attributeNewValue
- }
- ] );
- } );
- } );
- it( 'remove and add attribute on text', () => {
- const p = root.getChild( 1 );
- p.getChild( 0 )._setAttribute( 'bold', true );
- const range = Range.createFromParentsAndOffsets( p, 1, p, 3 );
- model.change( () => {
- attribute( range, 'bold', true, null );
- attribute( range, 'italic', null, true );
- const range1 = Range.createFromParentsAndOffsets( p, 1, p, 2 );
- const range2 = Range.createFromParentsAndOffsets( p, 2, 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 = Range.createFromParentsAndOffsets( p1, 0, p1, 2 );
- model.change( () => {
- insert( new Text( 'xx' ), position );
- attribute( range, attributeKey, attributeOldValue, attributeNewValue );
- const rangeBefore = Range.createFromParentsAndOffsets( p1, 0, p1, 1 );
- expectChanges( [
- { type: 'attribute', range: rangeBefore, attributeKey, attributeOldValue, attributeNewValue },
- { type: 'insert', name: '$text', length: 2, position }
- ] );
- } );
- } );
- it( 'only on inserted nodes', () => {
- const position = new Position( root, [ 0, 1 ] );
- const p1 = root.getChild( 0 );
- const range = Range.createFromParentsAndOffsets( p1, 2, p1, 3 );
- model.change( () => {
- insert( new Text( 'xxx' ), position );
- attribute( range, attributeKey, attributeOldValue, attributeNewValue );
- expectChanges( [
- { type: 'insert', name: '$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 = Range.createFromParentsAndOffsets( p1, 2, p1, 4 );
- model.change( () => {
- insert( new Text( 'xx' ), position );
- attribute( range, attributeKey, attributeOldValue, attributeNewValue );
- const rangeAfter = Range.createFromParentsAndOffsets( p1, 3, p1, 4 );
- expectChanges( [
- { type: 'insert', name: '$text', length: 2, position },
- { type: 'attribute', range: rangeAfter, attributeKey, attributeOldValue, attributeNewValue }
- ] );
- } );
- } );
- it( 'over all inserted nodes and some old nodes', () => {
- const position = new Position( root, [ 0, 1 ] );
- const p1 = root.getChild( 0 );
- const range = Range.createFromParentsAndOffsets( p1, 0, p1, 4 );
- model.change( () => {
- insert( new Text( 'xx' ), position );
- attribute( range, attributeKey, attributeOldValue, attributeNewValue );
- const rangeBefore = Range.createFromParentsAndOffsets( p1, 0, p1, 1 );
- const rangeAfter = Range.createFromParentsAndOffsets( p1, 3, p1, 4 );
- expectChanges( [
- { type: 'attribute', range: rangeBefore, attributeKey, attributeOldValue, attributeNewValue },
- { type: 'insert', name: '$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 = Range.createFromParentsAndOffsets( p, 1, p, 3 );
- const rangeB = Range.createFromParentsAndOffsets( p, 0, 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: Range.createFromParentsAndOffsets( p, 0, p, 1 ),
- attributeKey: 'b',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 1, p, 2 ),
- attributeKey: 'a',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 1, p, 2 ),
- attributeKey: 'b',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 2, p, 3 ),
- attributeKey: 'a',
- attributeOldValue,
- attributeNewValue
- }
- ] );
- } );
- } );
- it( 'on already changed nodes', () => {
- const p = root.getChild( 1 );
- const rangeA = Range.createFromParentsAndOffsets( p, 0, p, 3 );
- const rangeB = Range.createFromParentsAndOffsets( p, 1, 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: Range.createFromParentsAndOffsets( p, 0, p, 2 ),
- attributeKey: 'a',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 1, p, 2 ),
- attributeKey: 'b',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 2, p, 3 ),
- attributeKey: 'a',
- attributeOldValue,
- attributeNewValue
- }
- ] );
- } );
- } );
- it( 'on some changed and some not changed nodes', () => {
- const p = root.getChild( 1 );
- const rangeA = Range.createFromParentsAndOffsets( p, 0, p, 2 );
- const rangeB = Range.createFromParentsAndOffsets( p, 1, 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: Range.createFromParentsAndOffsets( p, 0, p, 2 ),
- attributeKey: 'a',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 1, p, 3 ),
- attributeKey: 'b',
- attributeOldValue,
- attributeNewValue
- }
- ] );
- } );
- } );
- it( 'over all changed nodes and some not changed nodes', () => {
- const p = root.getChild( 0 );
- const rangeA = Range.createFromParentsAndOffsets( p, 1, p, 2 );
- const rangeB = Range.createFromParentsAndOffsets( p, 0, 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: Range.createFromParentsAndOffsets( p, 0, p, 1 ),
- attributeKey: 'b',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 1, p, 2 ),
- attributeKey: 'a',
- attributeOldValue,
- attributeNewValue
- },
- {
- type,
- range: Range.createFromParentsAndOffsets( p, 1, p, 3 ),
- attributeKey: 'b',
- attributeOldValue,
- attributeNewValue
- }
- ] );
- } );
- } );
- } );
- describe( 'markers', () => {
- let range, rangeB;
- beforeEach( () => {
- range = Range.createFromParentsAndOffsets( root, 0, root, 1 );
- rangeB = Range.createFromParentsAndOffsets( root, 1, root, 2 );
- } );
- it( 'add marker', () => {
- differ.bufferMarkerChange( 'name', null, range );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [
- { name: 'name', range }
- ] );
- } );
- it( 'remove marker', () => {
- differ.bufferMarkerChange( 'name', range, null );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [
- { name: 'name', range }
- ] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [] );
- } );
- it( 'change marker', () => {
- differ.bufferMarkerChange( 'name', range, rangeB );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [
- { name: 'name', range }
- ] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [
- { name: 'name', range: rangeB }
- ] );
- } );
- it( 'add marker and remove it', () => {
- differ.bufferMarkerChange( 'name', null, range );
- differ.bufferMarkerChange( 'name', range, null );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [] );
- } );
- it( 'add marker and change it', () => {
- differ.bufferMarkerChange( 'name', null, range );
- differ.bufferMarkerChange( 'name', range, rangeB );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [
- { name: 'name', range: rangeB }
- ] );
- } );
- it( 'change marker and remove it', () => {
- differ.bufferMarkerChange( 'name', range, rangeB );
- differ.bufferMarkerChange( 'name', rangeB, null );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [
- { name: 'name', range }
- ] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [] );
- } );
- it( 'remove marker and add it at same range', () => {
- differ.bufferMarkerChange( 'name', range, null );
- differ.bufferMarkerChange( 'name', null, range );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [
- { name: 'name', range }
- ] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [
- { name: 'name', range }
- ] );
- } );
- it( 'change marker to the same range', () => {
- differ.bufferMarkerChange( 'name', range, range );
- expect( differ.getMarkersToRemove() ).to.deep.equal( [
- { name: 'name', range }
- ] );
- expect( differ.getMarkersToAdd() ).to.deep.equal( [
- { name: 'name', 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: `<paragraph>foo[</paragraph><image /><blockQuote><p>te]xt</p></blockQuote>`
- // 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 `<image>`.
- // 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._appendChildren( [
- 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._appendChildren( 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._appendChildren( 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 ] ) }
- ] );
- } );
- } );
- } );
- describe( 'getChanges()', () => {
- let position, p1, rangeAttrChange, range;
- beforeEach( () => {
- position = new Position( root, [ 0, 1 ] );
- p1 = root.getChild( 0 );
- range = Range.createFromParentsAndOffsets( p1, 2, p1, 4 );
- rangeAttrChange = Range.createFromParentsAndOffsets( p1, 3, 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( wrapInDelta( operation ) );
- }
- function remove( sourcePosition, howMany ) {
- const targetPosition = Position.createAt( doc.graveyard, doc.graveyard.maxOffset );
- const operation = new RemoveOperation( sourcePosition, howMany, targetPosition, doc.version );
- model.applyOperation( wrapInDelta( operation ) );
- }
- function move( sourcePosition, howMany, targetPosition ) {
- const operation = new MoveOperation( sourcePosition, howMany, targetPosition, doc.version );
- model.applyOperation( wrapInDelta( operation ) );
- }
- function rename( element, newName ) {
- const operation = new RenameOperation( Position.createBefore( element ), element.name, newName, doc.version );
- model.applyOperation( wrapInDelta( operation ) );
- }
- function attribute( range, key, oldValue, newValue ) {
- const operation = new AttributeOperation( range, key, oldValue, newValue, doc.version );
- model.applyOperation( wrapInDelta( 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 ( expected[ i ].hasOwnProperty( 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 ] );
- }
- }
- }
- }
- }
- } );
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