/** * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md. */ import Model from '../../../src/model/model'; import Position from '../../../src/model/position'; import MergeDelta from '../../../src/model/delta/mergedelta'; import SplitDelta from '../../../src/model/delta/splitdelta'; import MoveOperation from '../../../src/model/operation/moveoperation'; import RemoveOperation from '../../../src/model/operation/removeoperation'; import ReinsertOperation from '../../../src/model/operation/reinsertoperation'; describe( 'MergeDelta', () => { let mergeDelta, doc, root; beforeEach( () => { const model = new Model(); doc = model.document; root = doc.createRoot(); mergeDelta = new MergeDelta(); } ); describe( 'constructor()', () => { it( 'should create merge delta with no operations added', () => { expect( mergeDelta.operations.length ).to.equal( 0 ); } ); } ); describe( 'type', () => { it( 'should be equal to merge', () => { expect( mergeDelta.type ).to.equal( 'merge' ); } ); } ); describe( 'position', () => { it( 'should be null if there are no operations in delta', () => { expect( mergeDelta.position ).to.be.null; } ); it( 'should be equal to the position between merged nodes', () => { mergeDelta.operations.push( new MoveOperation( new Position( root, [ 1, 2, 0 ] ), 4, new Position( root, [ 1, 1, 4 ] ) ) ); mergeDelta.operations.push( new RemoveOperation( new Position( root, [ 1, 2, 0 ] ), 1, new Position( doc.graveyard, [ 0 ] ) ) ); expect( mergeDelta.position.root ).to.equal( root ); expect( mergeDelta.position.path ).to.deep.equal( [ 1, 2, 0 ] ); } ); } ); describe( 'getReversed', () => { it( 'should return empty SplitDelta if there are no operations in delta', () => { const reversed = mergeDelta.getReversed(); expect( reversed ).to.be.instanceof( SplitDelta ); expect( reversed.operations.length ).to.equal( 0 ); } ); it( 'should return correct SplitDelta', () => { mergeDelta.operations.push( new MoveOperation( new Position( root, [ 1, 2, 0 ] ), 4, new Position( root, [ 1, 1, 4 ] ) ) ); mergeDelta.operations.push( new RemoveOperation( new Position( root, [ 1, 2, 0 ] ), 1, new Position( doc.graveyard, [ 0 ] ) ) ); const reversed = mergeDelta.getReversed(); expect( reversed ).to.be.instanceof( SplitDelta ); expect( reversed.operations.length ).to.equal( 2 ); expect( reversed.operations[ 0 ] ).to.be.instanceof( ReinsertOperation ); expect( reversed.operations[ 0 ].howMany ).to.equal( 1 ); expect( reversed.operations[ 0 ].targetPosition.path ).to.deep.equal( [ 1, 2, 0 ] ); expect( reversed.operations[ 1 ] ).to.be.instanceof( MoveOperation ); expect( reversed.operations[ 1 ].sourcePosition.path ).to.deep.equal( [ 1, 1, 4 ] ); expect( reversed.operations[ 1 ].howMany ).to.equal( 4 ); expect( reversed.operations[ 1 ].targetPosition.path ).to.deep.equal( [ 1, 2, 0 ] ); } ); } ); it( 'should provide proper className', () => { expect( MergeDelta.className ).to.equal( 'engine.model.delta.MergeDelta' ); } ); } );