Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use markTaskStart method in Playwright Internal

Best JavaScript code snippet using playwright-internal

Scheduler.js

Source:Scheduler.js

...78      pop(timerQueue);79      timer.sortIndex = timer.expirationTime;80      push(taskQueue, timer);81      if (enableProfiling) {82        markTaskStart(timer, currentTime);83        timer.isQueued = true;84      }85    } else {86      // Remaining timers are pending.87      return;88    }89    timer = peek(timerQueue);90  }91}92function handleTimeout(currentTime) {93  isHostTimeoutScheduled = false;94  advanceTimers(currentTime);95  if (!isHostCallbackScheduled) {96    if (peek(taskQueue) !== null) {97      isHostCallbackScheduled = true;98      requestHostCallback(flushWork);99    } else {100      const firstTimer = peek(timerQueue);101      if (firstTimer !== null) {102        requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime);103      }104    }105  }106}107function flushWork(hasTimeRemaining, initialTime) {108  if (enableProfiling) {109    markSchedulerUnsuspended(initialTime);110  }111  // We'll need a host callback the next time work is scheduled.112  isHostCallbackScheduled = false;113  if (isHostTimeoutScheduled) {114    // We scheduled a timeout but it's no longer needed. Cancel it.115    isHostTimeoutScheduled = false;116    cancelHostTimeout();117  }118  isPerformingWork = true;119  const previousPriorityLevel = currentPriorityLevel;120  try {121    if (enableProfiling) {122      try {123        return workLoop(hasTimeRemaining, initialTime);124      } catch (error) {125        if (currentTask !== null) {126          const currentTime = getCurrentTime();127          markTaskErrored(currentTask, currentTime);128          currentTask.isQueued = false;129        }130        throw error;131      }132    } else {133      // No catch in prod codepath.134      return workLoop(hasTimeRemaining, initialTime);135    }136  } finally {137    currentTask = null;138    currentPriorityLevel = previousPriorityLevel;139    isPerformingWork = false;140    if (enableProfiling) {141      const currentTime = getCurrentTime();142      markSchedulerSuspended(currentTime);143    }144  }145}146function workLoop(hasTimeRemaining, initialTime) {147  let currentTime = initialTime;148  advanceTimers(currentTime);149  currentTask = peek(taskQueue);150  while (151    currentTask !== null &&152    !(enableSchedulerDebugging && isSchedulerPaused)153  ) {154    if (155      currentTask.expirationTime > currentTime &&156      (!hasTimeRemaining || shouldYieldToHost())157    ) {158      // This currentTask hasn't expired, and we've reached the deadline.159      break;160    }161    const callback = currentTask.callback;162    if (callback !== null) {163      currentTask.callback = null;164      currentPriorityLevel = currentTask.priorityLevel;165      const didUserCallbackTimeout = currentTask.expirationTime <= currentTime;166      markTaskRun(currentTask, currentTime);167      const continuationCallback = callback(didUserCallbackTimeout);168      currentTime = getCurrentTime();169      if (typeof continuationCallback === 'function') {170        currentTask.callback = continuationCallback;171        markTaskYield(currentTask, currentTime);172      } else {173        if (enableProfiling) {174          markTaskCompleted(currentTask, currentTime);175          currentTask.isQueued = false;176        }177        if (currentTask === peek(taskQueue)) {178          pop(taskQueue);179        }180      }181      advanceTimers(currentTime);182    } else {183      pop(taskQueue);184    }185    currentTask = peek(taskQueue);186  }187  // Return whether there's additional work188  if (currentTask !== null) {189    return true;190  } else {191    let firstTimer = peek(timerQueue);192    if (firstTimer !== null) {193      requestHostTimeout(handleTimeout, firstTimer.startTime - currentTime);194    }195    return false;196  }197}198function unstable_runWithPriority(priorityLevel, eventHandler) {199  switch (priorityLevel) {200    case ImmediatePriority:201    case UserBlockingPriority:202    case NormalPriority:203    case LowPriority:204    case IdlePriority:205      break;206    default:207      priorityLevel = NormalPriority;208  }209  var previousPriorityLevel = currentPriorityLevel;210  currentPriorityLevel = priorityLevel;211  try {212    return eventHandler();213  } finally {214    currentPriorityLevel = previousPriorityLevel;215  }216}217function unstable_next(eventHandler) {218  var priorityLevel;219  switch (currentPriorityLevel) {220    case ImmediatePriority:221    case UserBlockingPriority:222    case NormalPriority:223      // Shift down to normal priority224      priorityLevel = NormalPriority;225      break;226    default:227      // Anything lower than normal priority should remain at the current level.228      priorityLevel = currentPriorityLevel;229      break;230  }231  var previousPriorityLevel = currentPriorityLevel;232  currentPriorityLevel = priorityLevel;233  try {234    return eventHandler();235  } finally {236    currentPriorityLevel = previousPriorityLevel;237  }238}239function unstable_wrapCallback(callback) {240  var parentPriorityLevel = currentPriorityLevel;241  return function() {242    // This is a fork of runWithPriority, inlined for performance.243    var previousPriorityLevel = currentPriorityLevel;244    currentPriorityLevel = parentPriorityLevel;245    try {246      return callback.apply(this, arguments);247    } finally {248      currentPriorityLevel = previousPriorityLevel;249    }250  };251}252function timeoutForPriorityLevel(priorityLevel) {253  switch (priorityLevel) {254    case ImmediatePriority:255      return IMMEDIATE_PRIORITY_TIMEOUT;256    case UserBlockingPriority:257      return USER_BLOCKING_PRIORITY;258    case IdlePriority:259      return IDLE_PRIORITY;260    case LowPriority:261      return LOW_PRIORITY_TIMEOUT;262    case NormalPriority:263    default:264      return NORMAL_PRIORITY_TIMEOUT;265  }266}267function unstable_scheduleCallback(priorityLevel, callback, options) {268  var currentTime = getCurrentTime();269  var startTime;270  var timeout;271  if (typeof options === 'object' && options !== null) {272    var delay = options.delay;273    if (typeof delay === 'number' && delay > 0) {274      startTime = currentTime + delay;275    } else {276      startTime = currentTime;277    }278    timeout =279      typeof options.timeout === 'number'280        ? options.timeout281        : timeoutForPriorityLevel(priorityLevel);282  } else {283    timeout = timeoutForPriorityLevel(priorityLevel);284    startTime = currentTime;285  }286  var expirationTime = startTime + timeout;287  var newTask = {288    id: taskIdCounter++,289    callback,290    priorityLevel,291    startTime,292    expirationTime,293    sortIndex: -1,294  };295  if (enableProfiling) {296    newTask.isQueued = false;297  }298  if (startTime > currentTime) {299    // This is a delayed task.300    newTask.sortIndex = startTime;301    push(timerQueue, newTask);302    if (peek(taskQueue) === null && newTask === peek(timerQueue)) {303      // All tasks are delayed, and this is the task with the earliest delay.304      if (isHostTimeoutScheduled) {305        // Cancel an existing timeout.306        cancelHostTimeout();307      } else {308        isHostTimeoutScheduled = true;309      }310      // Schedule a timeout.311      requestHostTimeout(handleTimeout, startTime - currentTime);312    }313  } else {314    newTask.sortIndex = expirationTime;315    push(taskQueue, newTask);316    if (enableProfiling) {317      markTaskStart(newTask, currentTime);318      newTask.isQueued = true;319    }320    // Schedule a host callback, if needed. If we're already performing work,321    // wait until the next time we yield.322    if (!isHostCallbackScheduled && !isPerformingWork) {323      isHostCallbackScheduled = true;324      requestHostCallback(flushWork);325    }326  }327  return newTask;328}329function unstable_pauseExecution() {330  isSchedulerPaused = true;331}...

index.js

Source:index.js

...120	msgBroker.send(taskLauncherToDispatcherQueue, {persistence: true}, JSON.stringify(o), function(recepit_id) {121		//console.log('nodeCompleteTask message sent successfully for ' + task_toString(task) + '. recepit_id=' + recepit_id);122	});123}124function markTaskStart(task) {125	markTaskStartDB(__dbSettings.conn_str, __dbSettings.sqls['MarkTaskStart'], task, function(err) {126		if (!err)127			console.log(task_toString(task) + " start marked");128		else 129			taskLauncherOnError(task, err);130	});131}132function markTaskFinished(task, stdout, stderr, onDone) {markTaskFinishedDB(__dbSettings.conn_str, __dbSettings.sqls['MarkTaskEnd'], task, stdout, stderr, onDone);}133function runTask(task, onDone) {134	function onExit(err) {135		notifyDispatcherOnTaskFinished(task);	136		if (err)137			taskLauncherOnError(task, err);138		else139			console.log(task_toString(task) + " finished running");140		if (typeof onDone === 'function') onDone();141	}142	console.log(task.node + ' have received dispatch of ' + task_toString(task));143	getJobTaskInfoDB(__dbSettings.conn_str, __dbSettings.sqls['GetTaskDetail'], task, function(err) {144		if (err) {145			ackTaskDispatchError(task, err);146			if (typeof onDone === 'function') onDone();147			return;148		} else {149			var cmd = task.cmd;150			var stdin_file = task.stdin_file;151			var cookie = task.cookie;152			delete task["cmd"];153			delete task['stdin_file'];154			delete task['cookie'];155			task.pid = 0;156			var stdout = '';157			var stderr = '';158			var instream = null;159			if (stdin_file && typeof stdin_file == 'string' && stdin_file.length > 0) {160				instream = fs.openReadFileStream(stdin_file);161				if (!instream) {162					task.pid = 0;163					task.ret_code = 1;164					stderr = 'error opening stdin file ' + stdin_file;165					ackTaskDispatch(task);166					markTaskStart(task);167					markTaskFinished(task, stdout, stderr, onExit);168					return;169				}170			}171			var options = {};172			//console.log('cmd=' + cmd);173			var child = exec(cmd, options);174			if (instream && child.stdin) instream.pipe(child.stdin);175			task.pid = child.pid176			ackTaskDispatch(task);177			markTaskStart(task);178			child.stdout.on('data', function(data){179				stdout += data.toString();180			});181			child.stderr.on('data', function(data){182				stderr += data.toString();183			});184			child.on('error', function(err) {185				task.ret_code = err.code;186				console.log('child.on_error: ret=' + task.ret_code);187				markTaskFinished(task, stdout, stderr, onExit);188			});189			child.on('close', function(exitCode) {190				task.ret_code = exitCode;191				console.log('child.on_close: ret=' + task.ret_code);...

Using AI Code Generation

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.screenshot({ path: 'google.png' });7  await browser.close();8})();9const { chromium } = require('playwright');10(async () => {11  const browser = await chromium.launch();12  const context = await browser.newContext();13  const page = await context.newPage();14  await page.screenshot({ path: 'google.png' });15  await browser.close();16})();17const { chromium } = require('playwright');18(async () => {19  const browser = await chromium.launch();20  const context = await browser.newContext();21  const page = await context.newPage();22  await page.screenshot({ path: 'google.png' });23  await browser.close();24})();25const { chromium } = require('playwright');26(async () => {27  const browser = await chromium.launch();28  const context = await browser.newContext();29  const page = await context.newPage();30  await page.screenshot({ path: 'google.png' });31  await browser.close();32})();33const { chromium } = require('playwright');34(async () => {35  const browser = await chromium.launch();36  const context = await browser.newContext();37  const page = await context.newPage();38  await page.screenshot({ path: 'google.png' });39  await browser.close();40})();41const { chromium } = require('playwright');42(async () => {43  const browser = await chromium.launch();44  const context = await browser.newContext();45  const page = await context.newPage();

Using AI Code Generation

1const { markTaskStart } = require('playwright');2markTaskStart('test');3const { markTaskEnd } = require('playwright');4markTaskEnd('test');5const { markTaskStart } = require('playwright');6markTaskStart('test');7const { markTaskEnd } = require('playwright');8markTaskEnd('test');9const { markTaskStart } = require('playwright');10markTaskStart('test');11const { markTaskEnd } = require('playwright');12markTaskEnd('test');13const { markTaskStart } = require('playwright');14markTaskStart('test');15const { markTaskEnd } = require('playwright');16markTaskEnd('test');17const { markTaskStart } = require('playwright');18markTaskStart('test');19const { markTaskEnd } = require('playwright');20markTaskEnd('test');21const { markTaskStart } = require('playwright');22markTaskStart('test');23const { markTaskEnd } = require('playwright');24markTaskEnd('test');25const { markTaskStart } = require('playwright');26markTaskStart('test');27const { markTaskEnd } = require('playwright');28markTaskEnd('test');29const { markTaskStart } = require('playwright');30markTaskStart('test');31const { markTaskEnd } = require('playwright');32markTaskEnd('test

Using AI Code Generation

1const playwright = require('playwright');2(async () => {3  const browser = await playwright.chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  await page._client.send('Tracing.start', {7  });8  await page._client.send('Tracing.end');9  const stream = await page._client.send('Tracing.tracingComplete');10  const chunks = [];11  stream.on('data', chunk => chunks.push(chunk));12  stream.on('end', () => {13    const buffer = Buffer.concat(chunks);14    console.log(buffer.toString());15  });16  await browser.close();17})();18const playwright = require('playwright');19(async () => {20  const browser = await playwright.chromium.launch();21  const context = await browser.newContext();22  const page = await context.newPage();23  await page._client.send('Tracing.start', {24  });25  await page._client.send('Tracing.end');26  const stream = await page._client.send('Tracing.tracingComplete');27  const chunks = [];28  stream.on('data', chunk => chunks.push(chunk));29  stream.on('end', () => {30    const buffer = Buffer.concat(chunks);31    console.log(buffer.toString());32  });33  await browser.close();34})();35const playwright = require('playwright');36(async () => {37  const browser = await playwright.chromium.launch();38  const context = await browser.newContext();39  const page = await context.newPage();40  await page._client.send('Tracing.start', {41  });

Using AI Code Generation

1const { markTaskStart } = require('playwright/lib/utils/trace');2markTaskStart('test', 'test');3const { markTaskEnd } = require('playwright/lib/utils/trace');4markTaskEnd('test', 'test');5const { markTaskStart } = require('playwright/lib/utils/trace');6markTaskStart('test', 'test');7const { markTaskEnd } = require('playwright/lib/utils/trace');8markTaskEnd('test', 'test');9const { markTaskStart } = require('playwright/lib/utils/trace');10markTaskStart('test', 'test');11const { markTaskEnd } = require('playwright/lib/utils/trace');12markTaskEnd('test', 'test');13const { markTaskStart } = require('playwright/lib/utils/trace');14markTaskStart('test', 'test');15const { markTaskEnd } = require('playwright/lib/utils/trace');16markTaskEnd('test', 'test');17const { markTaskStart } = require('playwright/lib/utils/trace');18markTaskStart('test', 'test');19const { markTaskEnd } = require('playwright/lib/utils/trace');20markTaskEnd('test', 'test');21const { markTaskStart } = require('playwright/lib/utils/trace');22markTaskStart('test', 'test');23const { markTaskEnd } = require('playwright/lib/utils/trace');24markTaskEnd('test', 'test');25const { markTaskStart } = require('playwright/lib/utils/trace');26markTaskStart('test', 'test');

Using AI Code Generation

1const { markTaskStart } = require('@playwright/test/lib/test');2markTaskStart('task name', 'task description');3const { markTaskEnd } = require('@playwright/test/lib/test');4markTaskEnd('task name', 'task description');5const { markCustomMarker } = require('@playwright/test/lib/test');6markCustomMarker('custom marker name', 'custom marker description');

Using AI Code Generation

1const { markTaskStart } = require('playwright/lib/utils/trace');2markTaskStart('TaskName', 'TaskId');3const { markTaskEnd } = require('playwright/lib/utils/trace');4markTaskEnd('TaskId');5const { markTaskStart, markTaskEnd } = require('playwright/lib/utils/trace');6markTaskStart('TaskName', 'TaskId');7markTaskEnd('TaskId');8{9    {10      "args": {11      }12    },13    {14      "args": {15      }16    }17}

Using AI Code Generation

1const { markTaskStart } = require('playwright/lib/utils/trace');2markTaskStart('taskName', 'taskID');3const { markTaskEnd } = require('playwright/lib/utils/trace');4markTaskEnd('taskID');5npx playwright show-trace trace/trace-{testName}-{timestamp}.zip6const { chromium } = require('playwright');7const { trace } = require('@playwright/test-tracer');8(async () => {9  const browser = await chromium.launch();10  const context = await browser.newContext();11  const page = await context.newPage();12  await trace(page, async () => {13    await page.click('text=Get started');14  });15  await browser.close();16})();17const { chromium } = require('playwright');18const { trace } = require('@playwright/test-tracer');19(async () => {20  const browser = await chromium.launch();21  const context = await browser.newContext();22  const page1 = await context.newPage();23  const page2 = await context.newPage();24  await trace(page1, async () => {25    await page1.click('text=Get started');26  });27  await trace(page2, async () => {28    await page2.click('text

Using AI Code Generation

1{2    {3      "args": {4        "data": {5        }6      }7    },8    {9    },10    {11    },12    {13      "args": {14        "data": {15        }16      }17    }18}19const { chromium } = require('playwright');20(async () => {21  const browser = await chromium.launch();22  const page = await browser.newPage();23  await page.tracing.start({ screenshots: true, snapshots: true });24  await page.tracing.stop({ path: 'trace.json' });25  await browser.close();26})();

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.