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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 ModelTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/modeltesteditor';
- import Batch from '@ckeditor/ckeditor5-engine/src/model/batch';
- import UndoCommand from '../src/undocommand';
- import RedoCommand from '../src/redocommand';
- import { itemAt, getText } from '@ckeditor/ckeditor5-engine/tests/model/_utils/utils';
- describe( 'RedoCommand', () => {
- let editor, model, root, redo, undo;
- beforeEach( () => {
- return ModelTestEditor.create().then( newEditor => {
- editor = newEditor;
- redo = new RedoCommand( editor );
- model = editor.model;
- root = model.document.getRoot();
- } );
- } );
- afterEach( () => {
- return editor.destroy();
- } );
- describe( 'RedoCommand', () => {
- describe( 'execute()', () => {
- const p = pos => model.createPositionFromPath( root, [].concat( pos ) );
- const r = ( a, b ) => model.createRange( p( a ), p( b ) );
- let batch0, batch1, batch2;
- const batches = new Set();
- beforeEach( () => {
- undo = new UndoCommand( editor );
- // Simple integration with undo.
- undo.on( 'revert', ( evt, undoneBatch, undoingBatch ) => {
- if ( !batches.has( undoingBatch ) ) {
- redo.addBatch( undoingBatch );
- batches.add( undoingBatch );
- }
- } );
- /*
- [root]
- - {}
- */
- model.change( writer => {
- writer.setSelection( r( 0, 0 ) );
- } );
- batch0 = model.createBatch();
- undo.addBatch( batch0 );
- model.enqueueChange( batch0, writer => {
- writer.insertText( 'foobar', p( 0 ) );
- } );
- /*
- [root]
- - f
- - o
- - o
- - b
- - a
- - r{}
- */
- // Let's make things spicy and this time, make a backward selection.
- model.change( writer => {
- writer.setSelection( r( 2, 4 ), { backward: true } );
- } );
- batch1 = model.createBatch();
- undo.addBatch( batch1 );
- model.enqueueChange( batch1, writer => {
- writer.setAttribute( 'key', 'value', r( 2, 4 ) );
- } );
- /*
- [root]
- - f
- - o
- - {o (key: value)
- - b} (key: value)
- - a
- - r
- */
- model.change( writer => {
- writer.setSelection( r( 1, 3 ) );
- } );
- batch2 = model.createBatch();
- undo.addBatch( batch2 );
- model.enqueueChange( batch2, writer => {
- writer.move( r( 1, 3 ), p( 6 ) );
- } );
- /*
- [root]
- - f
- - b (key: value)
- - a
- - r
- - {o
- - o} (key: value)
- */
- } );
- it( 'should redo batch undone by undo command', () => {
- undo.execute( batch2 );
- redo.execute();
- // Should be back at original state:
- /*
- [root]
- - f
- - b (key: value)
- - a
- - r
- - {o
- - o} (key: value)
- */
- expect( getText( root ) ).to.equal( 'fbaroo' );
- expect( itemAt( root, 1 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( itemAt( root, 5 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( editor.model.document.selection.getRanges().next().value.isEqual( r( 4, 6 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.false;
- } );
- it( 'should redo series of batches undone by undo command', () => {
- undo.execute();
- undo.execute();
- undo.execute();
- redo.execute();
- // Should be like after applying `batch0`:
- /*
- [root]
- - f
- - o
- - o
- - b
- - a
- - r{}
- */
- expect( getText( root ) ).to.equal( 'foobar' );
- expect( Array.from( root.getChildren() ).find( node => node.hasAttribute( 'key' ) ) ).to.be.undefined;
- expect( editor.model.document.selection.getRanges().next().value.isEqual( r( 6, 6 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.false;
- redo.execute();
- // Should be like after applying `batch1`:
- /*
- [root]
- - f
- - o
- - {o (key: value)
- - b} (key: value)
- - a
- - r
- */
- expect( getText( root ) ).to.equal( 'foobar' );
- expect( itemAt( root, 2 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( itemAt( root, 3 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( editor.model.document.selection.getRanges().next().value.isEqual( r( 2, 4 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.true;
- redo.execute();
- // Should be like after applying `batch2`:
- /*
- [root]
- - f
- - b (key: value)
- - a
- - r
- - {o
- - o} (key: value)
- */
- expect( getText( root ) ).to.equal( 'fbaroo' );
- expect( itemAt( root, 1 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( itemAt( root, 5 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( editor.model.document.selection.getRanges().next().value.isEqual( r( 4, 6 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.false;
- } );
- it( 'should redo batch selectively undone by undo command', () => {
- undo.execute( batch0 );
- redo.execute();
- // Should be back to original state:
- /*
- [root]
- - f
- - b (key: value)
- - a
- - r
- - o
- - o{} (key: value)
- */
- expect( getText( root ) ).to.equal( 'fbaroo' );
- expect( itemAt( root, 1 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( itemAt( root, 5 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( editor.model.document.selection.getRanges().next().value.isEqual( r( 6, 6 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.false;
- } );
- it( 'should redo batch selectively undone by undo command #2', () => {
- undo.execute( batch1 );
- undo.execute( batch2 );
- redo.execute();
- redo.execute();
- // Should be back to original state:
- /*
- [root]
- - f
- - {b} (key: value)
- - a
- - r
- - o
- - o (key: value)
- */
- expect( getText( root ) ).to.equal( 'fbaroo' );
- expect( itemAt( root, 1 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( itemAt( root, 5 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( editor.model.document.selection.getRanges().next().value.isEqual( r( 1, 2 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.true;
- } );
- it( 'should transform redo batch by changes written in history that happened after undo but before redo #2', () => {
- // Now it is "fBaroO".
- // Undo moving "oo" to the end of string. Now it is "foOBar". Capitals mean set attribute.
- undo.execute();
- // Remove "ar".
- model.change( writer => {
- writer.remove( r( 4, 6 ) );
- } );
- // Undo setting attribute on "ob". Now it is "foob".
- undo.execute();
- // Append "xx" at the beginning. Now it is "xxfoob".
- model.change( writer => {
- writer.insertText( 'xx', p( 0 ) );
- } );
- // Redo setting attribute on "ob". Now it is "xxfoOB".
- redo.execute();
- expect( getText( root ) ).to.equal( 'xxfoob' );
- expect( itemAt( root, 4 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( itemAt( root, 5 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( editor.model.document.selection.getFirstRange().isEqual( r( 4, 6 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.true;
- // Redo moving "oo". Now it is "xxfBoO". Selection is expected to be on just moved "oO".
- redo.execute();
- expect( getText( root ) ).to.equal( 'xxfboo' );
- expect( itemAt( root, 3 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( itemAt( root, 5 ).getAttribute( 'key' ) ).to.equal( 'value' );
- expect( editor.model.document.selection.getFirstRange().isEqual( r( 4, 6 ) ) ).to.be.true;
- expect( editor.model.document.selection.isBackward ).to.be.false;
- } );
- it( 'should pass redoing batch to enqueueChange method', () => {
- undo.execute( batch2 );
- const enqueueChangeSpy = sinon.spy( model, 'enqueueChange' );
- const undoSpy = sinon.spy( redo, '_undo' );
- redo.execute();
- sinon.assert.calledOnce( enqueueChangeSpy );
- sinon.assert.calledOnce( undoSpy );
- const redoingBatch = enqueueChangeSpy.firstCall.args[ 0 ];
- expect( redoingBatch instanceof Batch ).to.be.true;
- expect( undoSpy.firstCall.args[ 1 ] ).to.equal( redoingBatch );
- } );
- } );
- it( 'should clear stack on DataController set()', () => {
- const spy = sinon.stub( redo, 'clearStack' );
- editor.setData( 'foo' );
- sinon.assert.called( spy );
- } );
- } );
- } );
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