angular-docs-cn/modules/e2e_util/perf_util.ts

75 lines
2.5 KiB
TypeScript

/**
* @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
*/
export {verifyNoBrowserErrors} from './e2e_util';
var benchpress = (global as any /** TODO #9100 */)['benchpress'];
var bind = benchpress.bind;
var Options = benchpress.Options;
export function runClickBenchmark(config: any /** TODO #9100 */) {
browser.ignoreSynchronization = !config.waitForAngular2;
var buttons =
config.buttons.map(function(selector: any /** TODO #9100 */) { return $(selector); });
config.work = function() {
buttons.forEach(function(button: any /** TODO #9100 */) { button.click(); });
};
return runBenchmark(config);
}
export function runBenchmark(config: any /** TODO #9100 */) {
return getScaleFactor(browser.params.benchmark.scaling).then(function(scaleFactor) {
var description = {};
var urlParams: any[] /** TODO #9100 */ = [];
if (config.params) {
config.params.forEach(function(param: any /** TODO #9100 */) {
var name = param.name;
var value = applyScaleFactor(param.value, scaleFactor, param.scale);
urlParams.push(name + '=' + value);
(description as any /** TODO #9100 */)[name] = value;
});
}
var url = encodeURI(config.url + '?' + urlParams.join('&'));
return browser.get(url).then(function() {
return (global as any /** TODO #9100 */)['benchpressRunner'].sample({
id: config.id,
execute: config.work,
prepare: config.prepare,
microMetrics: config.microMetrics,
providers: [{provide: Options.SAMPLE_DESCRIPTION, useValue: description}]
});
});
});
}
function getScaleFactor(possibleScalings: any /** TODO #9100 */) {
return browser.executeScript('return navigator.userAgent').then(function(userAgent: string) {
var scaleFactor = 1;
possibleScalings.forEach(function(entry: any /** TODO #9100 */) {
if (userAgent.match(entry.userAgent)) {
scaleFactor = entry.value;
}
});
return scaleFactor;
});
}
function applyScaleFactor(
value: any /** TODO #9100 */, scaleFactor: any /** TODO #9100 */,
method: any /** TODO #9100 */) {
if (method === 'log2') {
return value + Math.log(scaleFactor) / Math.LN2;
} else if (method === 'sqrt') {
return value * Math.sqrt(scaleFactor);
} else if (method === 'linear') {
return value * scaleFactor;
} else {
return value;
}
}