/** * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ import transformations from '../../../../src/model/delta/basic-transformations'; // eslint-disable-line no-unused-vars import deltaTransform from '../../../../src/model/delta/transform'; const transform = deltaTransform.transform; import Position from '../../../../src/model/position'; import Range from '../../../../src/model/range'; import MoveDelta from '../../../../src/model/delta/movedelta'; import SplitDelta from '../../../../src/model/delta/splitdelta'; import MoveOperation from '../../../../src/model/operation/moveoperation'; import { getNodesAndText } from '../../../../tests/model/_utils/utils'; import { applyDelta, expectDelta, getFilledDocument, getMergeDelta, getMoveDelta } from '../../../../tests/model/delta/transform/_utils/utils'; describe( 'transform', () => { let doc, root, gy, baseVersion; beforeEach( () => { doc = getFilledDocument(); root = doc.getRoot(); gy = doc.graveyard; baseVersion = doc.version; } ); describe( 'MoveDelta by', () => { let moveDelta; beforeEach( () => { const sourcePosition = new Position( root, [ 3, 3, 3 ] ); const howMany = 1; const targetPosition = new Position( root, [ 3, 3, 0 ] ); moveDelta = getMoveDelta( sourcePosition, howMany, targetPosition, baseVersion ); } ); describe( 'MergeDelta', () => { it( 'node on the right side of merge was moved', () => { const mergePosition = new Position( root, [ 3, 3, 3 ] ); const mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion ); const transformed = transform( moveDelta, mergeDelta ); expect( transformed.length ).to.equal( 2 ); baseVersion = mergeDelta.operations.length; expectDelta( transformed[ 0 ], { type: SplitDelta, operations: [ { // This `SplitDelta` got created through reversing `MergeDelta`. It means that operations in // a `MergeDelta` had been reversed. One of them is `RemoveOperation` which got reversed into // `ReinsertOperation` because we want to get back the node from graveyard. `ReinsertOperation` // is treated in OT as `MoveOperation` and might be converted to it. This is why we have to // check whether the operation type is `MoveOperation`. This is all perfectly valid. type: MoveOperation, sourcePosition: new Position( gy, [ 0 ] ), howMany: 1, targetPosition: new Position( root, [ 3, 3, 3 ] ), 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: MoveDelta, operations: [ { type: MoveOperation, sourcePosition: moveDelta._moveOperation.sourcePosition, howMany: moveDelta._moveOperation.howMany, targetPosition: moveDelta._moveOperation.targetPosition, 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 ); const nodesAndText = getNodesAndText( Range.createFromPositionAndShift( new Position( root, [ 3, 3 ] ), 1 ) ); // MoveDelta is applied. MergeDelta is discarded. expect( nodesAndText ).to.equal( 'DIVPabcfoobarxyzPXXXXXabcdXDIV' ); } ); it( 'move range in merged node', () => { const mergePosition = new Position( root, [ 3, 3 ] ); const mergeDelta = getMergeDelta( mergePosition, 1, 4, baseVersion ); const transformed = transform( moveDelta, mergeDelta ); expect( transformed.length ).to.equal( 1 ); baseVersion = mergeDelta.operations.length; expectDelta( transformed[ 0 ], { type: MoveDelta, operations: [ { type: MoveOperation, sourcePosition: new Position( root, [ 3, 2, 4 ] ), howMany: 1, targetPosition: new Position( root, [ 3, 2, 1 ] ), baseVersion } ] } ); } ); } ); } ); } );