/** * @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 InsertDelta from '/ckeditor5/engine/model/delta/insertdelta.js'; import SplitDelta from '/ckeditor5/engine/model/delta/splitdelta.js'; import InsertOperation from '/ckeditor5/engine/model/operation/insertoperation.js'; import MoveOperation from '/ckeditor5/engine/model/operation/moveoperation.js'; import ReinsertOperation from '/ckeditor5/engine/model/operation/reinsertoperation.js'; import { getNodesAndText, jsonParseStringify } from '/tests/engine/model/_utils/utils.js'; import { applyDelta, expectDelta, getFilledDocument, getInsertDelta, getMergeDelta } 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( 'InsertDelta by', () => { let insertDelta, insertPosition, nodeA, nodeB; beforeEach( () => { nodeA = new Element( 'a' ); nodeB = new Element( 'b' ); insertPosition = new Position( root, [ 3, 3, 3 ] ); insertDelta = getInsertDelta( insertPosition, [ nodeA, nodeB ], baseVersion ); } ); describe( 'InsertDelta', () => { it( 'should be resolved in a same way as two insert operations', () => { let insertPositionB = new Position( root, [ 3, 1 ] ); let insertDeltaB = getInsertDelta( insertPositionB, [ new Element( 'c' ), new Element( 'd' ) ], baseVersion ); let transformed = transform( insertDelta, insertDeltaB ); expect( transformed.length ).to.equal( 1 ); expectDelta( transformed[ 0 ], { type: InsertDelta, operations: [ { type: InsertOperation, position: new Position( root, [ 3, 5, 3 ] ), nodes: [ nodeA, nodeB ], baseVersion: baseVersion + 1 } ] } ); } ); } ); describe( 'MergeDelta', () => { it( 'merge in same position as insert', () => { let mergeDelta = getMergeDelta( insertPosition, 4, 12, baseVersion ); let transformed = transform( insertDelta, mergeDelta ); baseVersion = mergeDelta.operations.length; // Expected: MergeOperation gets reversed (by special case of SplitDelta that has ReinsertOperation // instead of InsertOperation. Then InsertDelta is applied as is. expect( transformed.length ).to.equal( 2 ); expectDelta( transformed[ 0 ], { type: SplitDelta, operations: [ { type: ReinsertOperation, sourcePosition: new Position( gy, [ 0, 0 ] ), howMany: 1, targetPosition: new Position( root, [ 3, 3, 3 ] ), baseVersion: baseVersion }, { type: MoveOperation, sourcePosition: new Position( root, [ 3, 3, 2, 4 ] ), howMany: 12, targetPosition: new Position( root, [ 3, 3, 3, 0 ] ), baseVersion: baseVersion + 1 } ] } ); expectDelta( transformed[ 1 ], { type: InsertDelta, operations: [ { type: InsertOperation, position: Position.createFromPosition( insertPosition ), nodes: [ nodeA, nodeB ], baseVersion: baseVersion + 2 } ] } ); // Test if deltas do what they should after applying transformed delta. applyDelta( mergeDelta, doc ); applyDelta( transformed[ 0 ], doc ); applyDelta( transformed[ 1 ], doc ); let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3, 0 ] ), 6 ) ); // Merge between X with "abcd" and P with "abcfoobarxyz" should be reversed and AB should be inserted between X and P. expect( nodesAndText ).to.equal( 'XXXXXabcdXAABBPabcfoobarxyzP' ); } ); it( 'merge the node that is parent of insert position (sticky move test)', () => { let mergeDelta = getMergeDelta( new Position( root, [ 3, 3 ] ), 1, 4, baseVersion ); let transformed = transform( insertDelta, mergeDelta ); baseVersion = mergeDelta.operations.length; // Expected: InsertOperation in InsertDelta has it's path updated. expect( transformed.length ).to.equal( 1 ); expectDelta( transformed[ 0 ], { type: InsertDelta, operations: [ { type: InsertOperation, position: new Position( root, [ 3, 2, 4 ] ), nodes: [ nodeA, nodeB ], baseVersion: baseVersion } ] } ); // Test if deltas do what they should after applying transformed delta. applyDelta( mergeDelta, doc ); applyDelta( transformed[ 0 ], doc ); let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 2, 0 ] ), 7 ) ); // Merge between X with "a" and DIV should be applied. AB should be inserted in new, correct position. expect( nodesAndText ).to.equal( 'aXXXXXabcdXAABBPabcfoobarxyzP' ); } ); it( 'merge at affected position but resolved by default OT', () => { let mergeDelta = getMergeDelta( new Position( root, [ 3 ] ), 1, 4, baseVersion ); let transformed = transform( insertDelta, mergeDelta ); baseVersion = mergeDelta.operations.length; // Expected: InsertOperation in InsertDelta has it's path updated. expect( transformed.length ).to.equal( 1 ); expectDelta( transformed[ 0 ], { type: InsertDelta, operations: [ { type: InsertOperation, position: new Position( root, [ 2, 4, 3 ] ), nodes: [ nodeA, nodeB ], baseVersion: baseVersion } ] } ); // Test if deltas do what they should after applying transformed delta. applyDelta( mergeDelta, doc ); applyDelta( transformed[ 0 ], doc ); let nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 2, 0 ] ), 5 ) ); // Merge between X with "a" and DIV should be applied. AB should be inserted in new, correct position. expect( nodesAndText ).to.equal( 'aXXXXXaXDIVXXXXXabcdXAABBPabcfoobarxyzPDIV' ); } ); } ); } ); } );