/** * @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 Element from '../../../../src/model/element'; import Position from '../../../../src/model/position'; import Range from '../../../../src/model/range'; import Delta from '../../../../src/model/delta/delta'; import RemoveDelta from '../../../../src/model/delta/removedelta'; import SplitDelta from '../../../../src/model/delta/splitdelta'; import NoOperation from '../../../../src/model/operation/nooperation'; import MoveOperation from '../../../../src/model/operation/moveoperation'; import RemoveOperation from '../../../../src/model/operation/removeoperation'; import { getNodesAndText } from '../../../../tests/model/_utils/utils'; import { applyDelta, expectDelta, getFilledDocument, getMergeDelta, getRemoveDelta, getSplitDelta } from '../../../../tests/model/delta/transform/_utils/utils'; describe( 'transform', () => { let doc, root, gy, baseVersion, context; beforeEach( () => { doc = getFilledDocument(); root = doc.getRoot(); gy = doc.graveyard; baseVersion = doc.version; context = { isStrong: false }; } ); describe( 'RemoveDelta by', () => { describe( 'MergeDelta', () => { it( 'node on the right side of merge was removed', () => { // This special case should be handled by MoveDelta x MergeDelta special case. const sourcePosition = new Position( root, [ 3, 3, 3 ] ); const removeDelta = getRemoveDelta( sourcePosition, 1, baseVersion ); const mergePosition = new Position( root, [ 3, 3, 3 ] ); const mergeDelta = getMergeDelta( mergePosition, 4, 12, baseVersion ); const transformed = transform( removeDelta, mergeDelta, context ); expect( transformed.length ).to.equal( 2 ); baseVersion = mergeDelta.operations.length; expectDelta( transformed[ 0 ], { type: SplitDelta, operations: [ { 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: RemoveDelta, operations: [ { type: MoveOperation, sourcePosition: removeDelta._moveOperation.sourcePosition, howMany: removeDelta._moveOperation.howMany, 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 ) ); // RemoveDelta is applied. MergeDelta is discarded. expect( nodesAndText ).to.equal( 'DIVXXXXXabcdXDIV' ); } ); } ); describe( 'SplitDelta', () => { it( 'node inside the removed range was a node that has been split', () => { const sourcePosition = new Position( root, [ 3, 3, 1 ] ); const removeDelta = getRemoveDelta( sourcePosition, 3, baseVersion ); const splitPosition = new Position( root, [ 3, 3, 2, 2 ] ); const nodeCopy = new Element( 'x' ); const splitDelta = getSplitDelta( splitPosition, nodeCopy, 2, baseVersion ); const transformed = transform( removeDelta, splitDelta, context ); expect( transformed.length ).to.equal( 1 ); baseVersion = splitDelta.operations.length; expectDelta( transformed[ 0 ], { type: RemoveDelta, operations: [ { type: RemoveOperation, sourcePosition, howMany: 4, baseVersion } ] } ); } ); it( 'removed nodes in split node, after split position, isStrong = false', () => { const sourcePosition = new Position( root, [ 3, 3, 2, 4 ] ); const removeDelta = getRemoveDelta( sourcePosition, 3, baseVersion ); const splitPosition = new Position( root, [ 3, 3, 2, 2 ] ); const nodeCopy = new Element( 'x' ); const splitDelta = getSplitDelta( splitPosition, nodeCopy, 8, baseVersion ); const transformed = transform( removeDelta, splitDelta, { isStrong: false, forceWeakRemove: true } ); expect( transformed.length ).to.equal( 1 ); baseVersion = splitDelta.operations.length; expectDelta( transformed[ 0 ], { type: Delta, operations: [ { type: NoOperation, baseVersion } ] } ); } ); it( 'last node in the removed range was a node that has been split', () => { const sourcePosition = new Position( root, [ 3, 2 ] ); const removeDelta = getRemoveDelta( sourcePosition, 2, baseVersion ); const splitPosition = new Position( root, [ 3, 3, 2 ] ); const nodeCopy = new Element( 'div' ); const splitDelta = getSplitDelta( splitPosition, nodeCopy, 2, baseVersion ); const transformed = transform( removeDelta, splitDelta, context ); expect( transformed.length ).to.equal( 1 ); baseVersion = splitDelta.operations.length; expectDelta( transformed[ 0 ], { type: RemoveDelta, operations: [ { type: RemoveOperation, sourcePosition, howMany: 3, baseVersion } ] } ); } ); it( 'removed node has been split - undo context', () => { const sourcePosition = new Position( root, [ 3, 3, 1 ] ); const removeDelta = getRemoveDelta( sourcePosition, 1, baseVersion ); const splitPosition = new Position( root, [ 3, 3, 1, 2 ] ); const nodeCopy = new Element( 'x' ); const splitDelta = getSplitDelta( splitPosition, nodeCopy, 2, baseVersion ); context.bWasUndone = true; const transformed = transform( removeDelta, splitDelta, context ); expect( transformed.length ).to.equal( 1 ); baseVersion = splitDelta.operations.length; expectDelta( transformed[ 0 ], { type: RemoveDelta, operations: [ { type: RemoveOperation, sourcePosition, howMany: 1, baseVersion } ] } ); } ); it( 'should not throw if clone operation is NoOperation and use default transformation in that case', () => { const noOpSplitDelta = new SplitDelta(); noOpSplitDelta.addOperation( new NoOperation( 0 ) ); noOpSplitDelta.addOperation( new MoveOperation( new Position( root, [ 1, 2 ] ), 3, new Position( root, [ 2, 0 ] ), 1 ) ); const removeDelta = getRemoveDelta( new Position( root, [ 3 ] ), 1, 0 ); const transformed = transform( removeDelta, noOpSplitDelta, context ); expect( transformed.length ).to.equal( 1 ); expectDelta( transformed[ 0 ], { type: RemoveDelta, operations: [ { type: RemoveOperation, sourcePosition: new Position( root, [ 3 ] ), howMany: 1, baseVersion: 2 } ] } ); } ); } ); } ); } );