29eb6cb777
chore: migrate tracing to har - `HarTracer` is used by both `HarRecorder` that implements `recordHar` context option, and by tracing. - We keep the `trace.network` format for now, so it is not yet a valid har file, but it contains har entries.
101 lines
3.3 KiB
TypeScript
101 lines
3.3 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { HttpServer } from '../../utils/httpServer';
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import { BrowserContext } from '../browserContext';
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import { eventsHelper } from '../../utils/eventsHelper';
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import { Page } from '../page';
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import { FrameSnapshot } from './snapshotTypes';
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import { SnapshotRenderer } from './snapshotRenderer';
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import { SnapshotServer } from './snapshotServer';
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import { BaseSnapshotStorage } from './snapshotStorage';
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import { Snapshotter, SnapshotterBlob, SnapshotterDelegate } from './snapshotter';
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import { ElementHandle } from '../dom';
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import { HarTracer, HarTracerDelegate } from '../supplements/har/harTracer';
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import * as har from '../supplements/har/har';
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export class InMemorySnapshotter extends BaseSnapshotStorage implements SnapshotterDelegate, HarTracerDelegate {
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private _blobs = new Map<string, Buffer>();
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private _server: HttpServer;
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private _snapshotter: Snapshotter;
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private _harTracer: HarTracer;
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constructor(context: BrowserContext) {
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super();
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this._server = new HttpServer();
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new SnapshotServer(this._server, this);
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this._snapshotter = new Snapshotter(context, this);
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this._harTracer = new HarTracer(context, this, { content: 'sha1', waitForContentOnStop: false, skipScripts: true });
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}
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async initialize(): Promise<string> {
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await this._snapshotter.start();
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this._harTracer.start();
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return await this._server.start();
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}
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async reset() {
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await this._snapshotter.reset();
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await this._harTracer.stop();
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this._harTracer.start();
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this.clear();
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}
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async dispose() {
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this._snapshotter.dispose();
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await this._harTracer.stop();
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await this._server.stop();
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}
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async captureSnapshot(page: Page, snapshotName: string, element?: ElementHandle): Promise<SnapshotRenderer> {
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if (this._frameSnapshots.has(snapshotName))
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throw new Error('Duplicate snapshot name: ' + snapshotName);
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this._snapshotter.captureSnapshot(page, snapshotName, element).catch(() => {});
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return new Promise<SnapshotRenderer>(fulfill => {
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const listener = eventsHelper.addEventListener(this, 'snapshot', (renderer: SnapshotRenderer) => {
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if (renderer.snapshotName === snapshotName) {
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eventsHelper.removeEventListeners([listener]);
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fulfill(renderer);
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}
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});
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});
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}
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onEntryStarted(entry: har.Entry) {
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}
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onEntryFinished(entry: har.Entry) {
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this.addResource(entry);
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}
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onContentBlob(sha1: string, buffer: Buffer) {
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this._blobs.set(sha1, buffer);
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}
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onSnapshotterBlob(blob: SnapshotterBlob): void {
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this._blobs.set(blob.sha1, blob.buffer);
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}
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onFrameSnapshot(snapshot: FrameSnapshot): void {
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this.addFrameSnapshot(snapshot);
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}
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resourceContent(sha1: string): Buffer | undefined {
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return this._blobs.get(sha1);
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}
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}
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