angular-cn/packages/benchpress/src/runner.ts

112 lines
4.2 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
*/
import {Injector, StaticProvider} from '@angular/core';
import {Options} from './common_options';
import {Metric} from './metric';
import {MultiMetric} from './metric/multi_metric';
import {PerflogMetric} from './metric/perflog_metric';
import {UserMetric} from './metric/user_metric';
import {Reporter} from './reporter';
import {ConsoleReporter} from './reporter/console_reporter';
import {MultiReporter} from './reporter/multi_reporter';
import {SampleDescription} from './sample_description';
import {SampleState, Sampler} from './sampler';
import {Validator} from './validator';
import {RegressionSlopeValidator} from './validator/regression_slope_validator';
import {SizeValidator} from './validator/size_validator';
import {WebDriverAdapter} from './web_driver_adapter';
import {WebDriverExtension} from './web_driver_extension';
import {ChromeDriverExtension} from './webdriver/chrome_driver_extension';
import {FirefoxDriverExtension} from './webdriver/firefox_driver_extension';
import {IOsDriverExtension} from './webdriver/ios_driver_extension';
/**
* The Runner is the main entry point for executing a sample run.
* It provides defaults, creates the injector and calls the sampler.
*/
export class Runner {
constructor(private _defaultProviders: StaticProvider[] = []) {}
sample({id, execute, prepare, microMetrics, providers, userMetrics}: {
id: string,
execute?: Function,
prepare?: Function,
microMetrics?: {[key: string]: string},
providers?: StaticProvider[],
userMetrics?: {[key: string]: string}
}): Promise<SampleState> {
const sampleProviders: StaticProvider[] = [
_DEFAULT_PROVIDERS, this._defaultProviders, {provide: Options.SAMPLE_ID, useValue: id},
{provide: Options.EXECUTE, useValue: execute}
];
if (prepare != null) {
sampleProviders.push({provide: Options.PREPARE, useValue: prepare});
}
if (microMetrics != null) {
sampleProviders.push({provide: Options.MICRO_METRICS, useValue: microMetrics});
}
if (userMetrics != null) {
sampleProviders.push({provide: Options.USER_METRICS, useValue: userMetrics});
}
if (providers != null) {
sampleProviders.push(providers);
}
const inj = Injector.create(sampleProviders);
const adapter: WebDriverAdapter = inj.get(WebDriverAdapter);
return Promise
.all([adapter.capabilities(), adapter.executeScript('return window.navigator.userAgent;')])
.then((args) => {
const capabilities = args[0];
const userAgent = args[1];
// This might still create instances twice. We are creating a new injector with all the
// providers.
// Only WebDriverAdapter is reused.
// TODO(vsavkin): consider changing it when toAsyncFactory is added back or when child
// injectors are handled better.
const injector = Injector.create([
sampleProviders, {provide: Options.CAPABILITIES, useValue: capabilities},
{provide: Options.USER_AGENT, useValue: userAgent},
{provide: WebDriverAdapter, useValue: adapter}
]);
// TODO: With TypeScript 2.5 injector.get does not infer correctly the
// return type. Remove 'any' and investigate the issue.
const sampler = injector.get(Sampler) as any;
return sampler.sample();
});
}
}
const _DEFAULT_PROVIDERS = [
Options.DEFAULT_PROVIDERS,
Sampler.PROVIDERS,
ConsoleReporter.PROVIDERS,
RegressionSlopeValidator.PROVIDERS,
SizeValidator.PROVIDERS,
ChromeDriverExtension.PROVIDERS,
FirefoxDriverExtension.PROVIDERS,
IOsDriverExtension.PROVIDERS,
PerflogMetric.PROVIDERS,
UserMetric.PROVIDERS,
SampleDescription.PROVIDERS,
MultiReporter.provideWith([ConsoleReporter]),
MultiMetric.provideWith([PerflogMetric, UserMetric]),
{provide: Reporter, useExisting: MultiReporter},
{provide: Validator, useExisting: RegressionSlopeValidator},
WebDriverExtension.provideFirstSupported(
[ChromeDriverExtension, FirefoxDriverExtension, IOsDriverExtension]),
{provide: Metric, useExisting: MultiMetric},
];