How to use pushTopLevelContextObject method in Playwright Internal

Best JavaScript code snippet using playwright-internal

b0ea876b301f63c96d702a493f5ebd456144bcReactFiberBeginWork.js

Source: b0ea876b301f63c96d702a493f5ebd456144bcReactFiberBeginWork.js Github

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...180 }181 function updateHostRoot(current, workInProgress, priorityLevel) {182 var root = workInProgress.stateNode;183 if (root.pendingContext) {184 pushTopLevelContextObject(workInProgress, root.pendingContext, root.pendingContext !== root.context);185 } else if (root.context) {186 pushTopLevelContextObject(workInProgress, root.context, false);187 }188 pushHostContainer(workInProgress, root.containerInfo);189 var updateQueue = workInProgress.updateQueue;190 if (updateQueue !== null) {191 var prevState = workInProgress.memoizedState;192 var state = beginUpdateQueue(workInProgress, updateQueue, null, prevState, null, priorityLevel);193 if (prevState === state) {194 return bailoutOnAlreadyFinishedWork(current, workInProgress);195 }196 var element = state.element;197 reconcileChildren(current, workInProgress, element);198 memoizeState(workInProgress, state);199 return workInProgress.child;200 }...

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0c0973fc7971824d7f8a174e5eae9c482a6244ReactFiberBeginWork.js

Source: 0c0973fc7971824d7f8a174e5eae9c482a6244ReactFiberBeginWork.js Github

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...180 }181 function updateHostRoot(current, workInProgress, priorityLevel) {182 var root = workInProgress.stateNode;183 if (root.pendingContext) {184 pushTopLevelContextObject(workInProgress, root.pendingContext, root.pendingContext !== root.context);185 } else if (root.context) {186 pushTopLevelContextObject(workInProgress, root.context, false);187 }188 pushHostContainer(workInProgress, root.containerInfo);189 var updateQueue = workInProgress.updateQueue;190 if (updateQueue !== null) {191 var prevState = workInProgress.memoizedState;192 var state = beginUpdateQueue(workInProgress, updateQueue, null, prevState, null, priorityLevel);193 if (prevState === state) {194 return bailoutOnAlreadyFinishedWork(current, workInProgress);195 }196 var element = state.element;197 reconcileChildren(current, workInProgress, element);198 memoizeState(workInProgress, state);199 return workInProgress.child;200 }...

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a9c9772a1f3ee8b9618c4d3bc7e33597822442ReactFiberBeginWork.js

Source: a9c9772a1f3ee8b9618c4d3bc7e33597822442ReactFiberBeginWork.js Github

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...180 }181 function updateHostRoot(current, workInProgress, priorityLevel) {182 var root = workInProgress.stateNode;183 if (root.pendingContext) {184 pushTopLevelContextObject(workInProgress, root.pendingContext, root.pendingContext !== root.context);185 } else if (root.context) {186 pushTopLevelContextObject(workInProgress, root.context, false);187 }188 pushHostContainer(workInProgress, root.containerInfo);189 var updateQueue = workInProgress.updateQueue;190 if (updateQueue !== null) {191 var prevState = workInProgress.memoizedState;192 var state = beginUpdateQueue(workInProgress, updateQueue, null, prevState, null, priorityLevel);193 if (prevState === state) {194 return bailoutOnAlreadyFinishedWork(current, workInProgress);195 }196 var element = state.element;197 reconcileChildren(current, workInProgress, element);198 memoizeState(workInProgress, state);199 return workInProgress.child;200 }...

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5ecaac3714568df47d1bdc3115b642621abd87ReactFiberBeginWork.js

Source: 5ecaac3714568df47d1bdc3115b642621abd87ReactFiberBeginWork.js Github

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...180 }181 function updateHostRoot(current, workInProgress, priorityLevel) {182 var root = workInProgress.stateNode;183 if (root.pendingContext) {184 pushTopLevelContextObject(workInProgress, root.pendingContext, root.pendingContext !== root.context);185 } else if (root.context) {186 pushTopLevelContextObject(workInProgress, root.context, false);187 }188 pushHostContainer(workInProgress, root.containerInfo);189 var updateQueue = workInProgress.updateQueue;190 if (updateQueue !== null) {191 var prevState = workInProgress.memoizedState;192 var state = beginUpdateQueue(workInProgress, updateQueue, null, prevState, null, priorityLevel);193 if (prevState === state) {194 return bailoutOnAlreadyFinishedWork(current, workInProgress);195 }196 var element = state.element;197 reconcileChildren(current, workInProgress, element);198 memoizeState(workInProgress, state);199 return workInProgress.child;200 }...

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ReactFiberBeginWork.js

Source: ReactFiberBeginWork.js Github

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...37}38function pushHostRootContext(workInProgress) {39 const root = workInProgress.stateNode;40 if(root.pendingContext) {41 pushTopLevelContextObject(42 workInProgress,43 root.pendingContext,44 root.pendingContext !== root.context45 )46 } else {47 pushTopLevelContextObject(workInProgress, root.context, false);48 }49 pushHostContainer(workInProgress, root.containerInfo);50}51function updateFunctionComponent(current, workInProgress, Component, nextProps, renderLanes) {52 let context;53 prepareToReadContext(workInProgress, renderLanes);54 let nextChildren = renderWithHooks(current, workInProgress, Component, nextProps, '', renderLanes);55 if(current !== null && !didReceiveUpdate) {56 bailoutHooks(current, workInProgress, renderLanes);57 return bailoutOnAlreadyFinishedWork(current, workInProgress, renderLanes);58 }59 reconcileChildren(current, workInProgress, nextChildren, renderLanes);60 return workInProgress.child;61}...

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updateHostRoot.js

Source: updateHostRoot.js Github

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...7980 /​/​ context相关 暂时忽略81 var root = workInProgress.stateNode; /​/​ fiberRoot实例82 if (root.pendingContext) {83 pushTopLevelContextObject(workInProgress, root.pendingContext, root.pendingContext !== root.context);84 } else if (root.context) {85 /​/​ Should always be set86 pushTopLevelContextObject(workInProgress, root.context, false);87 }88 pushHostContainer(workInProgress, root.containerInfo);89}909192/​/​ 将当前的 container (根组件所在DOM) 添加到stack中93function pushHostContainer(fiber, nextRootInstance) {94 /​/​ Push current root instance onto the stack;95 /​/​ This allows us to reset root when portals are popped.9697 /​/​ rootInstanceStackCursor.current = containerInfo /​/​DOM 并且将当前workInProgress添加到fiberStack中98 push(rootInstanceStackCursor, nextRootInstance, fiber);99100 /​/​ 当前 dom 的 namespace ...

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ReactFiberContext.js

Source: ReactFiberContext.js Github

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1import { ClassComponent, HostRoot } from './​ReactWorkTags';2import { createCursor, push, pop } from './​ReactFiberStack';3const emptyContextObject = {};4const contextStackCursor = createCursor(emptyContextObject);5const didPerformWorkStackCursor = createCursor(false);6let previousContext = emptyContextObject;7const isContextProvider = (type) => {8 const { childContextTypes } = type;9 return childContextTypes !== null && childContextTypes !== undefined;10};11const popContext = (fiber) => {12 pop(didPerformWorkStackCursor, fiber);13 pop(contextStackCursor, fiber);14};15const findCurrentUnmaskedContext = (fiber) => {16 let node = fiber;17 do {18 switch (node.tag) {19 case HostRoot:20 return node.stateNode.context;21 case ClassComponent: {22 const Component = node.type;23 if (isContextProvider(Component)) {24 return node.stateNode.__reactInternalMemoizedMergedChildContext;25 }26 break;27 }28 }29 node = node.return;30 } while (node !== null);31};32const processChildContext = (fiber, type, parentContext) => {33 const instance = fiber.stateNode;34 if (typeof instance.getChildContext !== 'function') return parentContext;35 const childContext = instance.getChildContext();36 return { ...parentContext, ...childContext };37};38const hasContextChanged = () => didPerformWorkStackCursor.current;39const pushTopLevelContextObject = (fiber, context, didChange) => {40 push(contextStackCursor, context, fiber);41 push(didPerformWorkStackCursor, didChange, fiber);42};43const popTopLevelContextObject = (fiber) => {44 pop(didPerformWorkStackCursor, fiber);45 pop(contextStackCursor, fiber);46};47const pushContextProvider = (workInProgress) => {48 const instance = workInProgress.stateNode;49 const memoizedMergedChildContext =50 (instance && instance.__reactInternalMemoizedMergedChildContext) ||51 emptyContextObject;52 previousContext = contextStackCursor.current;53 push(contextStackCursor, memoizedMergedChildContext, workInProgress);54 push(55 didPerformWorkStackCursor,56 didPerformWorkStackCursor.current,57 workInProgress58 );59 return true;60};61const getUnmaskedContext = (62 workInProgress,63 Component,64 didPushOwnContextIfProvider65) => {66 if (didPushOwnContextIfProvider && isContextProvider(Component)) {67 return previousContext;68 }69 return contextStackCursor.current;70};71const cacheContext = (workInProgress, unmaskedContext, maskedContext) => {72 const instance = workInProgress.stateNode;73 instance.__reactInternalMemoizedUnmaskedChildContext = unmaskedContext;74 instance.__reactInternalMemoizedMaskedChildContext = maskedContext;75};76const getMaskedContext = (workInProgress, unmaskedContext) => {77 const type = workInProgress.type;78 const contextTypes = type.contextTypes;79 if (!contextTypes) return emptyContextObject;80 const instance = workInProgress.stateNode;81 if (82 instance &&83 instance.__reactInternalMemoizedUnmaskedChildContext === unmaskedContext84 ) {85 return instance.__reactInternalMemoizedMaskedChildContext;86 }87 const context = {};88 for (const key in contextTypes) {89 context[key] = unmaskedContext[key];90 }91 if (instance) {92 cacheContext(workInProgress, unmaskedContext, context);93 }94 return context;95};96const invalidateContextProvider = (workInProgress, type, didChange) => {97 const instance = workInProgress.stateNode;98 invariant(99 instance,100 'Expected to have an instance by this point. ' +101 'This error is likely caused by a bug in React. Please file an issue.'102 );103 if (didChange) {104 const mergedContext = processChildContext(105 workInProgress,106 type,107 previousContext108 );109 instance.__reactInternalMemoizedMergedChildContext = mergedContext;110 pop(didPerformWorkStackCursor, workInProgress);111 pop(contextStackCursor, workInProgress);112 push(contextStackCursor, mergedContext, workInProgress);113 push(didPerformWorkStackCursor, didChange, workInProgress);114 } else {115 pop(didPerformWorkStackCursor, workInProgress);116 push(didPerformWorkStackCursor, didChange, workInProgress);117 }118};119export {120 emptyContextObject,121 isContextProvider,122 popContext,123 findCurrentUnmaskedContext,124 processChildContext,125 hasContextChanged,126 pushTopLevelContextObject,127 popTopLevelContextObject,128 pushContextProvider,129 getUnmaskedContext,130 getMaskedContext,131 cacheContext,132 invalidateContextProvider,...

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fiberContext.js

Source: fiberContext.js Github

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1export const emptyContextObject = {};2export function pushTopLevelContextObject(3 workInProgress,4 pendingContext,5 didChange,6) {7 /​/​ TODO...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.pushTopLevelContextObject('foo', 'bar');7 await browser.close();8})();

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Using AI Code Generation

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1const {chromium, webkit, firefox} = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 context._browserContext._pushTopLevelContextObject('test', 1);6 const page = await context.newPage();7 await page.screenshot({ path: 'google.png' });8 await browser.close();9})();10const {chromium, webkit, firefox} = require('playwright');11(async () => {12 const browser = await chromium.launch();13 const context = await browser.newContext();14 context._browserContext._pushTopLevelContextObject('test', 1);15 const page = await context.newPage();16 await page.screenshot({ path: 'google.png' });17 await browser.close();18})();19const {chromium, webkit, firefox} = require('playwright');20(async () => {21 const browser = await chromium.launch();22 const context = await browser.newContext();23 context._browserContext._pushTopLevelContextObject('test', 1);24 const page = await context.newPage();25 await page.screenshot({ path: 'google.png' });26 await browser.close();27})();28const {chromium, webkit, firefox} = require('playwright');29(async () => {30 const browser = await chromium.launch();31 const context = await browser.newContext();32 context._browserContext._pushTopLevelContextObject('test', 1);33 const page = await context.newPage();34 await page.screenshot({ path: 'google.png' });35 await browser.close();36})();37const {chromium, webkit, firefox} = require('playwright');38(async () => {39 const browser = await chromium.launch();40 const context = await browser.newContext();

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Using AI Code Generation

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1const { Playwright } = require('playwright');2const { chromium } = require('playwright-chromium');3const browser = await chromium.launch();4const context = await browser.newContext();5const page = await context.newPage();6const playwright = new Playwright();7const internalApi = playwright._browserTypeToContext.get(chromium);8await internalApi.pushTopLevelContextObject(context);9await page.screenshot({ path: 'example.png' });10await browser.close();

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Using AI Code Generation

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1const { context } = require('@playwright/​test');2const { test } = require('@playwright/​test');3const { chromium } = require('playwright');4test.describe('My test', () => {5 test.beforeEach(async ({ page }) => {6 const context = await chromium.launchPersistentContext('persistent/​path', {7 });8 context.pushTopLevelContextObject(page);9 });10 test('My test', async ({ page }) => {11 await page.click('text=Get started');12 await page.click('text=Docs');13 await page.click('text=API');14 await page.click('text=Locator');15 await page.click('text=class Locator');16 });17});18const { context } = require('@playwright/​test');19const { test } = require('@playwright/​test');20const { chromium } = require('playwright');21test.describe('My test', () => {22 test.beforeEach(async ({ page }) => {23 const context = await chromium.launchPersistentContext('persistent/​path', {24 });25 context.pushTopLevelContextObject(page);26 });27 test('My test', async ({ page }) => {28 await page.click('text=Get started');29 await page.click('text=Docs');30 await page.click('text=API');31 await page.click('text=Locator');32 await page.click('text=class Locator');33 });34});35const { context } = require('@playwright/​test');36const { test } = require('@playwright/​test');37const { chromium } = require('playwright');38test.describe('My test', () => {39 test.beforeEach(async ({ page }) => {40 const context = await chromium.launchPersistentContext('persistent/​path', {41 });42 context.pushTopLevelContextObject(page);43 });44 test('My test', async ({ page }) => {45 await page.click('text=Get started');46 await page.click('text=Docs');47 await page.click('text=API');

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Using AI Code Generation

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1const { contextObject } = require('playwright/​lib/​test/​workerRunner');2contextObject.pushTopLevelContextObject({ name: 'test' });3const { contextObject } = require('playwright/​lib/​test/​workerRunner');4contextObject.popTopLevelContextObject();5const { contextObject } = require('playwright/​lib/​test/​workerRunner');6contextObject.getTopLevelContextObject();7const { contextObject } = require('playwright/​lib/​test/​workerRunner');8contextObject.getTopLevelContextObjects();9const { contextObject } = require('playwright/​lib/​test/​workerRunner');10contextObject.getTopLevelContextObjects();11const { contextObject } = require('playwright/​lib/​test/​workerRunner');12contextObject.getTopLevelContextObjects();13const { contextObject } = require('playwright/​lib/​test/​workerRunner');14contextObject.getTopLevelContextObject();15const { contextObject } = require('playwright/​lib/​test/​workerRunner');16contextObject.getTopLevelContextObjects();17const { contextObject } = require('playwright/​lib/​test/​workerRunner');18contextObject.getTopLevelContextObjects();19const { contextObject } = require('playwright/​lib/​test/​workerRunner');20contextObject.getTopLevelContextObjects();21const { contextObject } = require('playwright/​lib/​test/​workerRunner');22contextObject.getTopLevelContextObject();23const { contextObject } = require('playwright/​lib/​test/​workerRunner');24contextObject.getTopLevelContextObjects();25const { contextObject } = require('playwright/​lib

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Using AI Code Generation

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1const { context } = require('@playwright/​test');2context('My test', () => {3 context.pushTopLevelContextObject({ name: 'My Context' });4 context.popTopLevelContextObject();5});6const { context } = require('@playwright/​test');7test.describe('My test', () => {8 context.pushTopLevelContextObject({ name: 'My Context' });9 context.popTopLevelContextObject();10});11const { context } = require('@playwright/​test');12test.describe('My test', () => {13 context.pushTopLevelContextObject({ name: 'My Context' });14 context.popTopLevelContextObject();15});16const { context } = require('@playwright/​test');17test.describe('My test', () => {

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const context = await browser.newContext();5 const page = await context.newPage();6 const frame = page.frames()[0];7 await frame.evaluate(() => {8 window.playwright.pushTopLevelContextObject(window);9 });10 const framePage = window.playwright.topLevelContextObject();11 await framePage.waitForSelector('input');12 await browser.close();13})();

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StackOverFlow community discussions

Questions
Discussion

How to run a list of test suites in a single file concurrently in jest?

Jest + Playwright - Test callbacks of event-based DOM library

firefox browser does not start in playwright

Is it possible to get the selector from a locator object in playwright?

Running Playwright in Azure Function

firefox browser does not start in playwright

Assuming you are not running test with the --runinband flag, the simple answer is yes but it depends ????

There is a pretty comprehensive GitHub issue jest#6957 that explains certain cases of when tests are run concurrently or in parallel. But it seems to depend on a lot of edge cases where jest tries its best to determine the fastest way to run the tests given the circumstances.

To my knowledge there is no way to force jest to run in parallel.


Aside

Have you considered using playwright instead of puppeteer with jest? Playwright has their own internally built testing library called @playwright/test that is used in place of jest with a similar API. This library allows for explicitly defining test groups in a single file to run in parallel (i.e. test.describe.parallel) or serially (i.e. test.describe.serial). Or even to run all tests in parallel via a config option.

// parallel
test.describe.parallel('group', () => {
  test('runs in parallel 1', async ({ page }) => {});
  test('runs in parallel 2', async ({ page }) => {});
});

// serial
test.describe.serial('group', () => {
  test('runs first', async ({ page }) => {});
  test('runs second', async ({ page }) => {});
});
https://stackoverflow.com/questions/73497773/how-to-run-a-list-of-test-suites-in-a-single-file-concurrently-in-jest

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