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How to use shouldCaptureSnapshot method in Playwright Internal

Best JavaScript code snippet using playwright-internal

tracing.js

Source:tracing.js

...192  }193  async _captureSnapshot(name, sdkObject, metadata, element) {194    if (!sdkObject.attribution.page) return;195    if (!this._snapshotter.started()) return;196    if (!shouldCaptureSnapshot(metadata)) return;197    const snapshotName = `${name}@${metadata.id}`;198    metadata.snapshots.push({199      title: name,200      snapshotName201    }); // We have |element| for input actions (page.click and handle.click)202    // and |sdkObject| element for accessors like handle.textContent.203    if (!element && sdkObject instanceof _dom.ElementHandle) element = sdkObject;204    await this._snapshotter.captureSnapshot(sdkObject.attribution.page, snapshotName, element).catch(() => {});205  }206  async onBeforeCall(sdkObject, metadata) {207    // Set afterSnapshot name for all the actions that operate selectors.208    // Elements resolved from selectors will be marked on the snapshot.209    metadata.afterSnapshot = `after@${metadata.id}`;210    const beforeSnapshot = this._captureSnapshot('before', sdkObject, metadata);211    this._pendingCalls.set(metadata.id, {212      sdkObject,213      metadata,214      beforeSnapshot215    });216    await beforeSnapshot;217  }218  async onBeforeInputAction(sdkObject, metadata, element) {219    const actionSnapshot = this._captureSnapshot('action', sdkObject, metadata, element);220    this._pendingCalls.get(metadata.id).actionSnapshot = actionSnapshot;221    await actionSnapshot;222  }223  async onAfterCall(sdkObject, metadata) {224    const pendingCall = this._pendingCalls.get(metadata.id);225    if (!pendingCall || pendingCall.afterSnapshot) return;226    if (!sdkObject.attribution.context) {227      this._pendingCalls.delete(metadata.id);228      return;229    }230    pendingCall.afterSnapshot = this._captureSnapshot('after', sdkObject, metadata);231    await pendingCall.afterSnapshot;232    const event = {233      type: 'action',234      metadata235    };236    this._appendTraceEvent(event);237    this._pendingCalls.delete(metadata.id);238  }239  onEvent(sdkObject, metadata) {240    if (!sdkObject.attribution.context) return;241    const event = {242      type: 'event',243      metadata244    };245    this._appendTraceEvent(event);246  }247  onEntryStarted(entry) {}248  onEntryFinished(entry) {249    const event = {250      type: 'resource-snapshot',251      snapshot: entry252    };253    this._appendTraceOperation(async () => {254      visitSha1s(event, this._state.sha1s);255      await _fs.default.promises.appendFile(this._state.networkFile, JSON.stringify(event) + '\n');256    });257  }258  onContentBlob(sha1, buffer) {259    this._appendResource(sha1, buffer);260  }261  onSnapshotterBlob(blob) {262    this._appendResource(blob.sha1, blob.buffer);263  }264  onFrameSnapshot(snapshot) {265    this._appendTraceEvent({266      type: 'frame-snapshot',267      snapshot268    });269  }270  _startScreencastInPage(page) {271    page.setScreencastOptions(kScreencastOptions);272    const prefix = page.guid;273    let frameSeq = 0;274    this._screencastListeners.push(_eventsHelper.eventsHelper.addEventListener(page, _page.Page.Events.ScreencastFrame, params => {275      const suffix = String(++frameSeq).padStart(10, '0');276      const sha1 = `${prefix}-${suffix}.jpeg`;277      const event = {278        type: 'screencast-frame',279        pageId: page.guid,280        sha1,281        width: params.width,282        height: params.height,283        timestamp: (0, _utils.monotonicTime)()284      }; // Make sure to write the screencast frame before adding a reference to it.285      this._appendResource(sha1, params.buffer);286      this._appendTraceEvent(event);287    }));288  }289  _appendTraceEvent(event) {290    this._appendTraceOperation(async () => {291      visitSha1s(event, this._state.sha1s);292      await _fs.default.promises.appendFile(this._state.traceFile, JSON.stringify(event) + '\n');293    });294  }295  _appendResource(sha1, buffer) {296    if (this._allResources.has(sha1)) return;297    this._allResources.add(sha1);298    this._appendTraceOperation(async () => {299      const resourcePath = _path.default.join(this._resourcesDir, sha1);300      try {301        // Perhaps we've already written this resource?302        await _fs.default.promises.access(resourcePath);303      } catch (e) {304        // If not, let's write! Note that async access is safe because we305        // never remove resources until the very end.306        await _fs.default.promises.writeFile(resourcePath, buffer).catch(() => {});307      }308    });309  }310  async _appendTraceOperation(cb) {311    // This method serializes all writes to the trace.312    let error;313    let result;314    this._writeChain = this._writeChain.then(async () => {315      try {316        result = await cb();317      } catch (e) {318        error = e;319      }320    });321    await this._writeChain;322    if (error) throw error;323    return result;324  }325}326exports.Tracing = Tracing;327function visitSha1s(object, sha1s) {328  if (Array.isArray(object)) {329    object.forEach(o => visitSha1s(o, sha1s));330    return;331  }332  if (typeof object === 'object') {333    for (const key in object) {334      if (key === 'sha1' || key === '_sha1' || key.endsWith('Sha1')) {335        const sha1 = object[key];336        if (sha1) sha1s.add(sha1);337      }338      visitSha1s(object[key], sha1s);339    }340    return;341  }342}343function shouldCaptureSnapshot(metadata) {344  return _channels.commandsWithTracingSnapshots.has(metadata.type + '.' + metadata.method);...

traceModel.js

Source:traceModel.js

1"use strict";2Object.defineProperty(exports, "__esModule", {3  value: true4});5exports.trace = exports.PersistentSnapshotStorage = exports.TraceModel = void 0;6var _fs = _interopRequireDefault(require("fs"));7var _path = _interopRequireDefault(require("path"));8var _snapshotStorage = require("../../snapshot/snapshotStorage");9var _tracing = require("../recorder/tracing");10var _trace = _interopRequireWildcard(require("../common/traceEvents"));11exports.trace = _trace;12function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }13function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }14function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }15/**16 * Copyright (c) Microsoft Corporation.17 *18 * Licensed under the Apache License, Version 2.0 (the "License");19 * you may not use this file except in compliance with the License.20 * You may obtain a copy of the License at21 *22 *     http://www.apache.org/licenses/LICENSE-2.023 *24 * Unless required by applicable law or agreed to in writing, software25 * distributed under the License is distributed on an "AS IS" BASIS,26 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.27 * See the License for the specific language governing permissions and28 * limitations under the License.29 */30class TraceModel {31  constructor(snapshotStorage) {32    this.contextEntry = void 0;33    this.pageEntries = new Map();34    this._snapshotStorage = void 0;35    this._version = void 0;36    this._snapshotStorage = snapshotStorage;37    this.contextEntry = {38      startTime: Number.MAX_VALUE,39      endTime: Number.MIN_VALUE,40      browserName: '',41      options: {42        sdkLanguage: ''43      },44      pages: [],45      resources: []46    };47  }48  build() {49    for (const page of this.contextEntry.pages) page.actions.sort((a1, a2) => a1.metadata.startTime - a2.metadata.startTime);50    this.contextEntry.resources = this._snapshotStorage.resources();51  }52  _pageEntry(pageId) {53    let pageEntry = this.pageEntries.get(pageId);54    if (!pageEntry) {55      pageEntry = {56        actions: [],57        events: [],58        objects: {},59        screencastFrames: []60      };61      this.pageEntries.set(pageId, pageEntry);62      this.contextEntry.pages.push(pageEntry);63    }64    return pageEntry;65  }66  appendEvent(line) {67    const event = this._modernize(JSON.parse(line));68    switch (event.type) {69      case 'context-options':70        {71          this._version = event.version || 0;72          this.contextEntry.browserName = event.browserName;73          this.contextEntry.options = event.options;74          break;75        }76      case 'screencast-frame':77        {78          this._pageEntry(event.pageId).screencastFrames.push(event);79          break;80        }81      case 'action':82        {83          const metadata = event.metadata;84          const include = event.hasSnapshot;85          if (include && metadata.pageId) this._pageEntry(metadata.pageId).actions.push(event);86          break;87        }88      case 'event':89        {90          const metadata = event.metadata;91          if (metadata.pageId) {92            if (metadata.method === '__create__') this._pageEntry(metadata.pageId).objects[metadata.params.guid] = metadata.params.initializer;else this._pageEntry(metadata.pageId).events.push(event);93          }94          break;95        }96      case 'resource-snapshot':97        this._snapshotStorage.addResource(event.snapshot);98        break;99      case 'frame-snapshot':100        this._snapshotStorage.addFrameSnapshot(event.snapshot);101        break;102    }103    if (event.type === 'action' || event.type === 'event') {104      this.contextEntry.startTime = Math.min(this.contextEntry.startTime, event.metadata.startTime);105      this.contextEntry.endTime = Math.max(this.contextEntry.endTime, event.metadata.endTime);106    }107  }108  _modernize(event) {109    if (this._version === undefined) return event;110    for (let version = this._version; version < _tracing.VERSION; ++version) event = this[`_modernize_${version}_to_${version + 1}`].call(this, event);111    return event;112  }113  _modernize_0_to_1(event) {114    if (event.type === 'action') {115      if (typeof event.metadata.error === 'string') event.metadata.error = {116        error: {117          name: 'Error',118          message: event.metadata.error119        }120      };121      if (event.metadata && typeof event.hasSnapshot !== 'boolean') event.hasSnapshot = (0, _tracing.shouldCaptureSnapshot)(event.metadata);122    }123    return event;124  }125  _modernize_1_to_2(event) {126    if (event.type === 'frame-snapshot' && event.snapshot.isMainFrame) {127      // Old versions had completely wrong viewport.128      event.snapshot.viewport = this.contextEntry.options.viewport || {129        width: 1280,130        height: 720131      };132    }133    return event;134  }135}136exports.TraceModel = TraceModel;137class PersistentSnapshotStorage extends _snapshotStorage.BaseSnapshotStorage {138  constructor(resourcesDir) {139    super();140    this._resourcesDir = void 0;141    this._resourcesDir = resourcesDir;142  }143  resourceContent(sha1) {144    return _fs.default.readFileSync(_path.default.join(this._resourcesDir, sha1));145  }146}...

Using AI Code Generation

1const { shouldCaptureSnapshot } = require('playwright/lib/server/snapshotter/snapshotter');2const { captureSnapshot } = require('playwright/lib/server/snapshotter/snapshotter');3const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');4const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');5const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');6const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');7const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');8const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');9const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');10const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');11const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');12const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');13const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');14const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');15const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');

Using AI Code Generation

1const { shouldCaptureSnapshot } = require('playwright/lib/server/snapshotter/snapshotter');2const { captureSnapshot } = require('playwright/lib/server/snapshotter/snapshotter');3const { toSnapshot } = require('playwright/lib/server/snapshotter/snapshotter');4const { createSnapshotter } = require('playwright/lib/server/snapshotter/snapshotter');5const { Snapshotter } = require('playwright/lib/server/snapshotter/snapshotter');6const { toImpl } = require('playwright/lib/server/snapshotter/snapshotter');7const { toChannel } = require('playwright/lib/server/snapshotter/snapshotter');8const { toPage } = require('playwright/lib/server/snapshotter/snapshotter');9const { toJSHandle } = require('playwright/lib/server/snapshotter/snapshotter');10const { toElementHandle } = require('playwright/lib/server/snapshotter/snapshotter');11const { toBindingCall } = require('playwright/lib/server/snapshotter/snapshotter');12const { toFrame } = require('playwright/lib/server/snapshotter/snapshotter');13const { toRequest } = require('playwright/lib/server/snapshotter/snapshotter');14const { toResponse } = require('playwright/lib/server/snapshotter/snapshotter');15const { toConsoleMessage } = require('playwright/lib/server/snapshotter/snapshotter');16const { toWorker } =

Using AI Code Generation

1const playwright = require("playwright");2const { shouldCaptureSnapshot } = require("playwright/lib/server/snapshotter/snapshotter");3const { chromium } = playwright;4(async () => {5  const browser = await chromium.launch();6  const context = await browser.newContext();7  const page = await context.newPage();8  console.log(shouldCapture);9})();

Using AI Code Generation

1const { shouldCaptureSnapshot } = require('playwright-core/lib/server/snapshotter/snapshotter');2const { shouldCaptureSnapshot } = require('playwright-core/lib/server/snapshotter/snapshotter');3module.exports = {4};5module.exports = {6};7const { shouldCaptureSnapshot } = require('playwright-core/lib/server/snapshotter/snapshotter');8const { shouldCaptureSnapshot } = require('playwright-core/lib/server/snapshotter/snapshotter');9const { shouldCaptureSnapshot } = require('playwright-core/lib/server/snapshotter/snapshotter');10test('should capture snapshot', async ({ page }) => {11  await page.setContent(`12  `);13  const snapshot = await page.accessibility.snapshot({ root: await page.$('#container') });14  expect(shouldCaptureSnapshot(snapshot)).toBe(true);15  const childSnapshot = await page.accessibility.snapshot({ root: await page.$('#child') });16  expect(shouldCaptureSnapshot(childSnapshot)).toBe(false);17  const grandchildSnapshot = await page.accessibility.snapshot({ root: await page.$('#grandchild') });18  expect(shouldCaptureSnapshot(grandchildSnapshot)).toBe(false);19});20const { shouldCaptureSnapshot } = require('playwright

Using AI Code Generation

1const { shouldCaptureSnapshot } = require('playwright/lib/utils/snapshotter');2global.shouldCaptureSnapshot = shouldCaptureSnapshot;3const { test, expect } = require('@playwright/test');4test('should capture snapshot', async ({ page }) => {5  await page.setContent('<button>Click me</button>');6  const button = await page.$('button');7  expect(await button.innerText()).toBe('Click me');8});9test('should not capture snapshot', async ({ page }) => {10  await page.setContent('<button>Click me</button>');11  const button = await page.$('button');12  expect(await button.innerText()).not.toBe('Click me');13});

Using AI Code Generation

1const { shouldCaptureSnapshot } = require('@playwright/test/lib/utils/recorderUtils');2const fs = require('fs');3const path = require('path');4const testFile = fs.readFileSync(path.join(__dirname, 'test.spec.ts'), 'utf-8');5const testFileLines = testFile.split('6');7const testFileLinesLength = testFileLines.length;8for (let i = 0; i < testFileLinesLength; i++) {9  const line = testFileLines[i];10  if (line.includes('await page.goto')) {11    const shouldCapture = shouldCaptureSnapshot(line);12    console.log(`line ${i + 1} should capture snapshot: ${shouldCapture}`);13  }14}

Using AI Code Generation

1import { shouldCaptureSnapshot } from 'playwright/lib/server/snapshotter/snapshotter';2const page = await context.newPage();3const snapshot = await page.snapshot({ root: document.body });4const fs = require('fs');5fs.writeFile('snapshot.json', JSON.stringify(snapshot), (err) => {6    if (err) throw err;7    console.log('The file has been saved!');8});9const { shouldCaptureSnapshot } = require('./test.js');10const { test, expect } = require('@playwright/test');11const snapshot = require('./snapshot.json');12const fs = require('fs');13const snapshotter = require('playwright/lib/server/snapshotter/snapshotter');14test('snapshot', async ({ page }) => {15    const snapshot = await page.snapshot({ root: document.body });16    const shouldCapture = shouldCaptureSnapshot(snapshot);17    if (shouldCapture) {18        fs.writeFile('snapshot.json', JSON.stringify(snapshot), (err) => {19            if (err) throw err;20            console.log('The file has been saved!');21        });22    }23    expect(snapshot).toMatchSnapshot();24});

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