angular-cn/packages/benchpress/test/firefox_extension/sample_benchmark.ts

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/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {$, browser} from 'protractor';
const benchpress = require('../../index.js');
const runner = new benchpress.Runner([
// use protractor as Webdriver client
benchpress.SeleniumWebDriverAdapter.PROTRACTOR_PROVIDERS,
// use RegressionSlopeValidator to validate samples
benchpress.Validator.bindTo(benchpress.RegressionSlopeValidator),
// use 10 samples to calculate slope regression
benchpress.bind(benchpress.RegressionSlopeValidator.SAMPLE_SIZE).toValue(20),
// use the script metric to calculate slope regression
benchpress.bind(benchpress.RegressionSlopeValidator.METRIC).toValue('scriptTime'),
benchpress.bind(benchpress.Options.FORCE_GC).toValue(true)
]);
describe('deep tree baseline', function() {
it('should be fast!', function(done) {
browser.ignoreSynchronization = true;
browser.get('http://localhost:8001/playground/src/benchpress/');
/*
* Tell benchpress to click the buttons to destroy and re-create the tree for each sample.
* Benchpress will log the collected metrics after each sample is collected, and will stop
* sampling as soon as the calculated regression slope for last 20 samples is stable.
*/
runner
.sample({
id: 'baseline',
execute: function() { $('button').click(); },
providers: [benchpress.bind(benchpress.Options.SAMPLE_DESCRIPTION).toValue({depth: 9})]
})
.then(done, done.fail);
});
});