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- /**
- * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
- import OperationReplayer from '../../src/dev-utils/operationreplayer';
- import Model from '../../src/model/model';
- describe( 'OperationReplayer', () => {
- describe( 'constructor()', () => {
- it( 'should be able to initialize replayer without operations', () => {
- const model = getModel();
- const stringifiedOperations = '';
- const operationReplayer = new OperationReplayer( model, '---', stringifiedOperations );
- expect( operationReplayer.getOperationsToReplay() ).to.deep.equal( [] );
- } );
- it( 'should be able to initialize replayer with operations', () => {
- const model = getModel();
- const operation = getFirstOperation();
- const operationReplayer = new OperationReplayer( model, '---', JSON.stringify( operation ) );
- expect( operationReplayer.getOperationsToReplay() ).to.deep.equal( [ operation ] );
- } );
- } );
- describe( 'applyNextOperation()', () => {
- it( 'should remove first operation from stack', () => {
- const model = getModel();
- const operation = getFirstOperation();
- const operationReplayer = new OperationReplayer( model, '---', JSON.stringify( operation ) );
- return operationReplayer.applyNextOperation().then( isFinished => {
- expect( operationReplayer.getOperationsToReplay() ).to.deep.equal( [] );
- expect( isFinished ).to.equal( false );
- } );
- } );
- it( 'should apply first operation on the document', () => {
- const model = getModel();
- const operation = getFirstOperation();
- const operationReplayer = new OperationReplayer( model, '---', JSON.stringify( operation ) );
- return operationReplayer.applyNextOperation().then( () => {
- expect( Array.from( model.document.getRoot().getChildren() ).length ).to.equal( 1 );
- } );
- } );
- it( 'should resolve with true if 0 operations are provided', () => {
- const model = getModel();
- const operationReplayer = new OperationReplayer( model, '---', '' );
- return operationReplayer.applyNextOperation().then( isFinished => {
- expect( isFinished ).to.equal( true );
- } );
- } );
- } );
- describe( 'applyAllOperations()', () => {
- it( 'should apply all operations on the document', () => {
- const model = getModel();
- const stringifiedOperations = [ getFirstOperation(), getSecondOperation() ]
- .map( d => JSON.stringify( d ) )
- .join( '---' );
- const operationReplayer = new OperationReplayer( model, '---', stringifiedOperations );
- return operationReplayer.applyAllOperations().then( () => {
- expect( Array.from( model.document.getRoot().getChildren() ).length ).to.equal( 2 );
- expect( operationReplayer.getOperationsToReplay().length ).to.equal( 0 );
- } );
- } );
- } );
- describe( 'applyOperations()', () => {
- it( 'should apply certain number of operations on the document', () => {
- const model = getModel();
- const stringifiedOperations = [ getFirstOperation(), getSecondOperation() ]
- .map( d => JSON.stringify( d ) )
- .join( '---' );
- const operationReplayer = new OperationReplayer( model, '---', stringifiedOperations );
- return operationReplayer.applyOperations( 1 ).then( () => {
- expect( Array.from( model.document.getRoot().getChildren() ).length ).to.equal( 1 );
- expect( operationReplayer.getOperationsToReplay().length ).to.equal( 1 );
- } );
- } );
- it( 'should not throw an error if the number of operations is lower than number of expected operations to replay', () => {
- const model = getModel();
- const stringifiedOperations = [ getFirstOperation(), getSecondOperation() ]
- .map( d => JSON.stringify( d ) )
- .join( '---' );
- const operationReplayer = new OperationReplayer( model, '---', stringifiedOperations );
- return operationReplayer.applyOperations( 3 ).then( () => {
- expect( Array.from( model.document.getRoot().getChildren() ).length ).to.equal( 2 );
- expect( operationReplayer.getOperationsToReplay().length ).to.equal( 0 );
- } );
- } );
- } );
- describe( 'play()', () => {
- it( 'should play operations with time interval', () => {
- const model = getModel();
- const stringifiedOperations = [ getFirstOperation(), getSecondOperation() ]
- .map( d => JSON.stringify( d ) )
- .join( '---' );
- const operationReplayer = new OperationReplayer( model, '---', stringifiedOperations );
- return operationReplayer.play( 0 ).then( () => {
- expect( operationReplayer.getOperationsToReplay().length ).to.equal( 0 );
- } );
- } );
- it( 'should work with default time interval', () => {
- const model = getModel();
- const operationReplayer = new OperationReplayer( model, '---', '' );
- return operationReplayer.play();
- } );
- it( 'should correctly handle errors coming from the engine', () => {
- const model = getModel();
- const invalidOperation = getSecondOperation();
- invalidOperation.baseVersion = 3;
- const stringifiedOperations = [ getFirstOperation(), invalidOperation ]
- .map( d => JSON.stringify( d ) )
- .join( '---' );
- const operationReplayer = new OperationReplayer( model, '---', stringifiedOperations );
- return operationReplayer.play( 1 )
- .then( () => {
- throw new Error( 'It should throw an error' );
- }, err => {
- expect( err.message ).to.match( /model-document-applyoperation-wrong-version/ );
- } );
- } );
- } );
- } );
- function getModel() {
- const model = new Model();
- model.document.createRoot();
- return model;
- }
- function getFirstOperation() {
- return {
- baseVersion: 0,
- position: {
- root: 'main',
- path: [ 0 ]
- },
- nodes: [ {
- name: 'heading1',
- children: [ {
- data: 'The great world of open Web standards'
- } ]
- } ],
- __className: 'InsertOperation'
- };
- }
- function getSecondOperation() {
- return {
- baseVersion: 1,
- position: {
- root: 'main',
- path: [ 1 ]
- },
- nodes: [ {
- name: 'heading2',
- children: [ {
- data: 'The great world of open Web standards'
- } ]
- } ],
- __className: 'InsertOperation'
- };
- }
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