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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* bender-tags: model, operation */
- import transformations from '/ckeditor5/engine/model/delta/basic-transformations.js';
- /*jshint unused: false*/
- import transform from '/ckeditor5/engine/model/delta/transform.js';
- import Element from '/ckeditor5/engine/model/element.js';
- import Position from '/ckeditor5/engine/model/position.js';
- import Range from '/ckeditor5/engine/model/range.js';
- import Delta from '/ckeditor5/engine/model/delta/delta.js';
- import MergeDelta from '/ckeditor5/engine/model/delta/mergedelta.js';
- import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js';
- import RemoveOperation from '/ckeditor5/engine/model/operation/removeoperation.js';
- import NoOperation from '/ckeditor5/engine/model/operation/nooperation.js';
- import { getNodesAndText, jsonParseStringify } from '/tests/engine/model/_utils/utils.js';
- import {
- applyDelta,
- expectDelta,
- getFilledDocument,
- getInsertDelta,
- getMergeDelta,
- getMoveDelta
- } from '/tests/engine/model/delta/transform/_utils/utils.js';
- describe( 'transform', () => {
- let doc, root, gy, baseVersion;
- beforeEach( () => {
- doc = getFilledDocument();
- root = doc.getRoot();
- gy = doc.graveyard;
- baseVersion = doc.version;
- } );
- describe( 'MergeDelta by', () => {
- let mergeDelta, mergePosition;
- beforeEach( () => {
- mergePosition = new Position( root, [ 3, 3, 3 ] );
- mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion );
- } );
- describe( 'InsertDelta', () => {
- let nodeA, nodeB;
- beforeEach( () => {
- nodeA = new Element( 'a' );
- nodeB = new Element( 'b' );
- } );
- it( 'insert at same position as merge', () => {
- let insertDelta = getInsertDelta( mergePosition, [ nodeA, nodeB ], baseVersion );
- let transformed = transform( mergeDelta, insertDelta );
- // Expected: MergeDelta gets ignored and is not applied.
- baseVersion = insertDelta.operations.length;
- expect( transformed.length ).to.equal( 1 );
- expectDelta( transformed[ 0 ], {
- type: Delta,
- operations: [
- {
- type: NoOperation,
- baseVersion: baseVersion
- }
- ]
- } );
- // Test if deltas do what they should after applying transformed delta.
- applyDelta( insertDelta, doc );
- applyDelta( transformed[ 0 ], doc );
- let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 0 ] ), 6 ) );
- // InsertDelta is applied. Merge between X and P is discarded.
- expect( nodesAndText ).to.equal( 'XXXXXabcdXAABBPabcfoobarxyzP' );
- } );
- it( 'insert inside merged node (sticky move test)', () => {
- let insertDelta = getInsertDelta( new Position( root, [ 3, 3, 3, 12 ] ), [ nodeA, nodeB ], baseVersion );
- let transformed = transform( mergeDelta, insertDelta );
- baseVersion = insertDelta.operations.length;
- expect( transformed.length ).to.equal( 1 );
- // Expected: MoveOperation in MergeDelta has it's "range" expanded.
- expectDelta( transformed[ 0 ], {
- type: MergeDelta,
- operations: [
- {
- type: MoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 3, 0 ] ),
- howMany: 14,
- targetPosition: new Position( root, [ 3, 3, 2, 4 ] ),
- baseVersion: baseVersion
- },
- {
- type: RemoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 3 ] ),
- howMany: 1,
- targetPosition: new Position( gy, [ 0, 0 ] ),
- baseVersion: baseVersion + 1
- }
- ]
- } );
- // Test if deltas do what they should after applying transformed delta.
- applyDelta( insertDelta, doc );
- applyDelta( transformed[ 0 ], doc );
- let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 0 ] ), 3 ) );
- // InsertDelta is applied. Merge between X and P is discarded.
- expect( nodesAndText ).to.equal( 'XXXXXabcdabcfoobarxyzAABBX' );
- } );
- } );
- describe( 'MoveDelta', () => {
- it( 'node on the right side of merge was moved', () => {
- let moveDelta = getMoveDelta( new Position( root, [ 3, 3, 3 ] ), 1, new Position( root, [ 3, 3, 0 ] ), baseVersion );
- let transformed = transform( mergeDelta, moveDelta );
- baseVersion = moveDelta.operations.length;
- expect( transformed.length ).to.equal( 1 );
- expectDelta( transformed[ 0 ], {
- type: Delta,
- operations: [
- {
- type: NoOperation,
- baseVersion: baseVersion
- }
- ]
- } );
- // Test if deltas do what they should after applying transformed delta.
- applyDelta( moveDelta, doc );
- applyDelta( transformed[ 0 ], doc );
- let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
- // MoveDelta is applied. MergeDelta is discarded.
- expect( nodesAndText ).to.equal( 'DIVPabcfoobarxyzPXXXXXabcdXDIV' );
- } );
- it( 'node on the left side of merge was moved', () => {
- let moveDelta = getMoveDelta( new Position( root, [ 3, 3, 2 ] ), 1, new Position( root, [ 3, 3, 0 ] ), baseVersion );
- let transformed = transform( mergeDelta, moveDelta );
- expect( transformed.length ).to.equal( 1 );
- baseVersion = moveDelta.operations.length;
- expectDelta( transformed[ 0 ], {
- type: MergeDelta,
- operations: [
- {
- type: MoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 3, 0 ] ),
- howMany: 12,
- targetPosition: new Position( root, [ 3, 3, 0, 4 ] ),
- baseVersion: baseVersion
- },
- {
- type: RemoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 3 ] ),
- howMany: 1,
- baseVersion: baseVersion + 1
- }
- ]
- } );
- // Test if deltas do what they should after applying transformed delta.
- applyDelta( moveDelta, doc );
- applyDelta( transformed[ 0 ], doc );
- let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) );
- // MoveDelta is applied. MergeDelta is discarded.
- expect( nodesAndText ).to.equal( 'DIVXabcdabcfoobarxyzXXXXXDIV' );
- } );
- } );
- describe( 'MergeDelta', () => {
- it( 'merge two consecutive elements, transformed merge is after', () => {
- let mergeDeltaB = getMergeDelta( new Position( root, [ 3, 3, 2 ] ), 0, 4, baseVersion );
- let transformed = transform( mergeDelta, mergeDeltaB );
- expect( transformed.length ).to.equal( 1 );
- baseVersion = mergeDelta.operations.length;
- expectDelta( transformed[ 0 ], {
- type: MergeDelta,
- operations: [
- {
- type: MoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 2, 0 ] ),
- howMany: 12,
- targetPosition: new Position( root, [ 3, 3, 1, 4 ] ),
- baseVersion: baseVersion
- },
- {
- type: RemoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 2 ] ),
- howMany: 1
- }
- ]
- } );
- // Test if deltas do what they should after applying transformed delta.
- applyDelta( mergeDeltaB, doc );
- applyDelta( transformed[ 0 ], doc );
- let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 0 ] ), 2 ) );
- // Both merge deltas are applied and merged nodes children are together in one node.
- expect( nodesAndText ).to.equal( 'XXXabcdabcfoobarxyzX' );
- } );
- it( 'merge two consecutive elements, transformed merge is before', () => {
- mergeDelta = getMergeDelta( new Position( root, [ 3, 3, 2 ] ), 0, 4, baseVersion );
- let mergeDeltaB = getMergeDelta( new Position( root, [ 3, 3, 3 ] ), 4, 12, baseVersion );
- let transformed = transform( mergeDelta, mergeDeltaB );
- expect( transformed.length ).to.equal( 1 );
- baseVersion = mergeDelta.operations.length;
- expectDelta( transformed[ 0 ], {
- type: MergeDelta,
- operations: [
- {
- type: MoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 2, 0 ] ),
- howMany: 16,
- targetPosition: new Position( root, [ 3, 3, 1, 0 ] ),
- baseVersion: baseVersion
- },
- {
- type: RemoveOperation,
- sourcePosition: new Position( root, [ 3, 3, 2 ] ),
- howMany: 1
- }
- ]
- } );
- // Test if deltas do what they should after applying transformed delta.
- applyDelta( mergeDeltaB, doc );
- applyDelta( transformed[ 0 ], doc );
- let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 0 ] ), 2 ) );
- // Both merge deltas are applied and merged nodes children are together in one node.
- expect( nodesAndText ).to.equal( 'XXXabcdabcfoobarxyzX' );
- } );
- } );
- } );
- } );
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