command-handler.js 2.41 KB
/*
 * ADOBE CONFIDENTIAL
 *
 * Copyright 2016 Adobe Systems Incorporated
 * All Rights Reserved.
 *
 * NOTICE:  All information contained herein is, and remains
 * the property of Adobe Systems Incorporated and its suppliers,
 * if any.  The intellectual and technical concepts contained
 * herein are proprietary to Adobe Systems Incorporated and its
 * suppliers and may be covered by U.S. and Foreign Patents,
 * patents in process, and are protected by trade secret or copyright law.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Adobe Systems Incorporated.
 */
/* globals expect, describe, it */
/* eslint max-nested-callbacks: 0 */
define('screens/player/shared/test-helper/command-handler', [], function() {
    'use strict';

    function _testCanHandle(commandHandler, commandsArray) {
        describe('canHandle', function() {
            commandsArray.forEach(function(command) {
                it('returns true for the command "' + command + '"', function() {
                    expect(commandHandler.canHandle(command)).to.be.true;
                });
            });
            it('returns false for unknown commands', function() {
                expect(commandHandler.canHandle('_98asd9asjnkjnk')).to.be.false;
            });
            it('returns false for empty string', function() {
                expect(commandHandler.canHandle('')).to.be.false;
            });
            it('returns false for null', function() {
                expect(commandHandler.canHandle(null)).to.be.false;
            });
            it('returns false for undefined', function() {
                expect(commandHandler.canHandle()).to.be.false;
            });
            it('returns false for function', function() {
                expect(commandHandler.canHandle(function() {})).to.be.false;
            });
        });
    }

    /**
     * @class CommandHandlerTestHelper
     */
    return {

        /**
         * Runs the standard CommandHandler tests.
         * @memberof CommandHandlerTestHelper
         * @param  {Object} commandHandler A CommandHandler.
         * @param  {String|String[]} commands One or multiple commands
         */
        runDefaultTests: function(commandHandler, commands) {
            var commandsArray = Array.prototype.concat(commands);
            _testCanHandle(commandHandler, commandsArray);
        }
    };

});