tame/progtest/src/AsyncTestRunner.js

75 lines
2.1 KiB
JavaScript

/**
* Async test case runner
*
* Copyright (C) 2014-2020 Ryan Specialty Group, LLC.
*
* This file is part of TAME.
*
* TAME is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
"use strict";
const { Class } = require( 'easejs' );
const TestRunner = require( './TestRunner' );
/**
* Run test cases asynchronously and report results
*
* This allows the browser to repaint between cases.
*/
module.exports = Class( 'AsyncTestRunner' )
.extend( TestRunner,
{
/**
* Run all tests asynchronously
*
* TODO: This significantly slows down the runner! The better option
* would be to go back to sync and put it in a Web Worker in the client,
* which would also async updating of the UI.
*
* @param {Array<TestCase>} dfns test case definitions
*
* @return {Promise} promise to complete test cases, yielding results
*/
'override protected runAllTests'( dfns )
{
const total = dfns.length;
return new Promise( ( resolve, reject ) =>
{
const results = [];
const runNext = () =>
{
if ( dfns.length === 0 )
{
resolve( results );
return;
}
const dfn = dfns.shift();
const result = this.runTest( dfn, ( results.length + 1 ), total );
results.push( result );
setTimeout( runNext, 0 );
};
runNext();
} );
},
} );