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

105 lines
3.0 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 {InjectionToken, Injector} from '@angular/core';
import {Options} from './common_options';
export type PerfLogEvent = {
[key: string]: any
} & {
ph?: 'X' | 'B' | 'E' | 'I',
ts?: number,
dur?: number,
name?: string,
pid?: string,
args?: {
encodedDataLength?: number,
usedHeapSize?: number,
majorGc?: boolean,
url?: string,
method?: string
}
};
/**
* A WebDriverExtension implements extended commands of the webdriver protocol
* for a given browser, independent of the WebDriverAdapter.
* Needs one implementation for every supported Browser.
*/
export abstract class WebDriverExtension {
static provideFirstSupported(childTokens: any[]): any[] {
const res = [
{
provide: _CHILDREN,
useFactory: (injector: Injector) => childTokens.map(token => injector.get(token)),
deps: [Injector]
},
{
provide: WebDriverExtension,
useFactory: (children: WebDriverExtension[], capabilities: {[key: string]: any}) => {
let delegate: WebDriverExtension = undefined !;
children.forEach(extension => {
if (extension.supports(capabilities)) {
delegate = extension;
}
});
if (!delegate) {
throw new Error('Could not find a delegate for given capabilities!');
}
return delegate;
},
deps: [_CHILDREN, Options.CAPABILITIES]
}
];
return res;
}
gc(): Promise<any> { throw new Error('NYI'); }
timeBegin(name: string): Promise<any> { throw new Error('NYI'); }
timeEnd(name: string, restartName: string|null): Promise<any> { throw new Error('NYI'); }
/**
* Format:
* - cat: category of the event
* - name: event name: 'script', 'gc', 'render', ...
* - ph: phase: 'B' (begin), 'E' (end), 'X' (Complete event), 'I' (Instant event)
* - ts: timestamp in ms, e.g. 12345
* - pid: process id
* - args: arguments, e.g. {heapSize: 1234}
*
* Based on [Chrome Trace Event
*Format](https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/edit)
**/
readPerfLog(): Promise<PerfLogEvent[]> { throw new Error('NYI'); }
perfLogFeatures(): PerfLogFeatures { throw new Error('NYI'); }
supports(capabilities: {[key: string]: any}): boolean { return true; }
}
export class PerfLogFeatures {
render: boolean;
gc: boolean;
frameCapture: boolean;
userTiming: boolean;
constructor(
{render = false, gc = false, frameCapture = false, userTiming = false}:
{render?: boolean, gc?: boolean, frameCapture?: boolean, userTiming?: boolean} = {}) {
this.render = render;
this.gc = gc;
this.frameCapture = frameCapture;
this.userTiming = userTiming;
}
}
const _CHILDREN = new InjectionToken('WebDriverExtension.children');