text: /**
   * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
   * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
   */
  
  import VirtualTestEditor from '../tests/_utils/virtualtesteditor';
  import EditingKeystrokeHandler from '../src/editingkeystrokehandler';
  import { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';
  
  describe( 'EditingKeystrokeHandler', () => {
  	let editor, keystrokes, executeSpy;
  
  	beforeEach( () => {
  		return VirtualTestEditor.create()
  			.then( newEditor => {
  				editor = newEditor;
  				keystrokes = new EditingKeystrokeHandler( editor );
  				executeSpy = sinon.stub( editor, 'execute' );
  			} );
  	} );
  
  	describe( 'set()', () => {
  		describe( 'with a command', () => {
  			it( 'prevents default when the keystroke was handled', () => {
  				const keyEvtData = getCtrlA();
  
  				keystrokes.set( 'Ctrl+A', 'foo' );
  				keystrokes.press( keyEvtData );
  
  				sinon.assert.calledWithExactly( executeSpy, 'foo' );
  				sinon.assert.calledOnce( keyEvtData.preventDefault );
  				sinon.assert.calledOnce( keyEvtData.stopPropagation );
  			} );
  
  			it( 'does not prevent default when the keystroke was not handled', () => {
  				const keyEvtData = getCtrlA();
  
  				keystrokes.press( keyEvtData );
  
  				sinon.assert.notCalled( executeSpy );
  				sinon.assert.notCalled( keyEvtData.preventDefault );
  				sinon.assert.notCalled( keyEvtData.stopPropagation );
  			} );
  
  			it( 'provides a callback which stops the event and remaining callbacks in the keystroke handler', () => {
  				const spy1 = sinon.spy();
  				const spy2 = sinon.spy();
  				const spy3 = sinon.spy();
  
  				keystrokes.set( [ 'ctrl', 'A' ], spy1 );
  				keystrokes.set( [ 'ctrl', 'A' ], spy2, { priority: 'high' } );
  				keystrokes.set( [ 'ctrl', 'A' ], 'foo', { priority: 'low' } );
  				keystrokes.set( [ 'ctrl', 'A' ], ( keyEvtData, cancel ) => {
  					spy3();
  					cancel();
  				} );
  
  				keystrokes.press( getCtrlA() );
  
  				sinon.assert.callOrder( spy2, spy1, spy3 );
  				sinon.assert.notCalled( executeSpy );
  			} );
  		} );
  
  		describe( 'with a callback', () => {
  			it( 'never prevents default', () => {
  				const callback = sinon.spy();
  				const keyEvtData = getCtrlA();
  
  				keystrokes.set( 'Ctrl+A', callback );
  				keystrokes.press( keyEvtData );
  
  				sinon.assert.calledOnce( callback );
  				sinon.assert.notCalled( keyEvtData.preventDefault );
  				sinon.assert.notCalled( keyEvtData.stopPropagation );
  			} );
  		} );
  
  		it( 'supports priorities', () => {
  			const spy1 = sinon.spy();
  			const spy2 = sinon.spy();
  			const spy3 = sinon.spy();
  
  			keystrokes.set( [ 'ctrl', 'A' ], spy1 );
  			keystrokes.set( [ 'ctrl', 'A' ], spy2, { priority: 'high' } );
  			keystrokes.set( [ 'ctrl', 'A' ], 'foo', { priority: 'low' } );
  			keystrokes.set( [ 'ctrl', 'A' ], spy3 );
  
  			keystrokes.press( getCtrlA() );
  
  			sinon.assert.callOrder( spy2, spy1, spy3, executeSpy );
  		} );
  	} );
  
  	describe( 'press()', () => {
  		it( 'executes a command', () => {
  			keystrokes.set( 'Ctrl+A', 'foo' );
  
  			const wasHandled = keystrokes.press( getCtrlA() );
  
  			sinon.assert.calledOnce( executeSpy );
  			sinon.assert.calledWithExactly( executeSpy, 'foo' );
  			expect( wasHandled ).to.be.true;
  		} );
  
  		it( 'executes a callback', () => {
  			const callback = sinon.spy();
  
  			keystrokes.set( 'Ctrl+A', callback );
  
  			const wasHandled = keystrokes.press( getCtrlA() );
  
  			expect( executeSpy.called ).to.be.false;
  			expect( callback.calledOnce ).to.be.true;
  			expect( wasHandled ).to.be.true;
  		} );
  	} );
  } );
  
  function getCtrlA() {
  	return {
  		keyCode: keyCodes.a,
  		ctrlKey: true,
  		preventDefault: sinon.spy(),
  		stopPropagation: sinon.spy()
  	};
  }
  