Best JavaScript code snippet using playwright-internal
screenshotter.js
Source: screenshotter.js
...56 return this._queue.postTask(async () => {57 const {58 viewportSize59 } = await this._originalViewportSize(progress);60 await this._preparePageForScreenshot(progress, options.animations === 'disabled');61 progress.throwIfAborted(); // Avoid restoring after failure - should be done by cleanup.62 if (options.fullPage) {63 const fullPageSize = await this._fullPageSize(progress);64 let documentRect = {65 x: 0,66 y: 0,67 width: fullPageSize.width,68 height: fullPageSize.height69 };70 const fitsViewport = fullPageSize.width <= viewportSize.width && fullPageSize.height <= viewportSize.height;71 if (options.clip) documentRect = trimClipToSize(options.clip, documentRect);72 const buffer = await this._screenshot(progress, format, documentRect, undefined, fitsViewport, options);73 progress.throwIfAborted(); // Avoid restoring after failure - should be done by cleanup.74 await this._restorePageAfterScreenshot();75 return buffer;76 }77 const viewportRect = options.clip ? trimClipToSize(options.clip, viewportSize) : {78 x: 0,79 y: 0,80 ...viewportSize81 };82 const buffer = await this._screenshot(progress, format, undefined, viewportRect, true, options);83 progress.throwIfAborted(); // Avoid restoring after failure - should be done by cleanup.84 await this._restorePageAfterScreenshot();85 return buffer;86 });87 }88 async screenshotElement(progress, handle, options) {89 const format = validateScreenshotOptions(options);90 return this._queue.postTask(async () => {91 const {92 viewportSize93 } = await this._originalViewportSize(progress);94 await this._preparePageForScreenshot(progress, options.animations === 'disabled');95 progress.throwIfAborted(); // Do not do extra work.96 await handle._waitAndScrollIntoViewIfNeeded(progress);97 progress.throwIfAborted(); // Do not do extra work.98 const boundingBox = await handle.boundingBox();99 (0, _utils.assert)(boundingBox, 'Node is either not visible or not an HTMLElement');100 (0, _utils.assert)(boundingBox.width !== 0, 'Node has 0 width.');101 (0, _utils.assert)(boundingBox.height !== 0, 'Node has 0 height.');102 const fitsViewport = boundingBox.width <= viewportSize.width && boundingBox.height <= viewportSize.height;103 progress.throwIfAborted(); // Avoid extra work.104 const scrollOffset = await this._page.mainFrame().waitForFunctionValueInUtility(progress, () => ({105 x: window.scrollX,106 y: window.scrollY107 }));108 const documentRect = { ...boundingBox109 };110 documentRect.x += scrollOffset.x;111 documentRect.y += scrollOffset.y;112 const buffer = await this._screenshot(progress, format, _helper.helper.enclosingIntRect(documentRect), undefined, fitsViewport, options);113 progress.throwIfAborted(); // Avoid restoring after failure - should be done by cleanup.114 await this._restorePageAfterScreenshot();115 return buffer;116 });117 }118 async _preparePageForScreenshot(progress, disableAnimations) {119 await Promise.all(this._page.frames().map(async frame => {120 await frame.nonStallingEvaluateInExistingContext('(' + function (disableAnimations) {121 const styleTag = document.createElement('style');122 styleTag.textContent = `123 *:not(#playwright-aaaaaaaaaa.playwright-bbbbbbbbbbb.playwright-cccccccccc.playwright-dddddddddd.playwright-eeeeeeeee) {124 caret-color: transparent !important;125 }126 `;127 document.documentElement.append(styleTag);128 const infiniteAnimationsToResume = new Set();129 const cleanupCallbacks = [];130 if (disableAnimations) {131 const collectRoots = (root, roots = []) => {132 roots.push(root);...
Using AI Code Generation
1(async () => {2 const browser = await chromium.launch({ headless: false });3 const context = await browser.newContext();4 const page = await context.newPage();5 await page._preparePageForScreenshot();6 await page.screenshot({ path: 'google.png' });7 await browser.close();8})();9const playwright = require('playwright');10exports.handler = async (event) => {11 const browser = await playwright.chromium.launch();12 const page = await browser.newPage();13 await page.screenshot({ path: 'google.png' });14 await browser.close();15 return {16 body: JSON.stringify('Hello from Lambda!'),17 };18};
Using AI Code Generation
1const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage');2const browser = await chromium.launch();3const context = await browser.newContext();4const page = await context.newPage();5await _preparePageForScreenshot(page);6await page.screenshot({ path: 'test.png' });7await browser.close();8const { _screenshotStitch } = require('playwright/lib/server/chromium/crPage');9const browser = await chromium.launch();10const context = await browser.newContext();11const page = await context.newPage();12await page.screenshot({ path: 'test.png' });13await browser.close();14const { _screenshotStitch } = require('playwright/lib/server/chromium/crPage');15const browser = await chromium.launch();16const context = await browser.newContext();17const page = await context.newPage();18await page.pdf({ path: 'test.pdf' });19await browser.close();
Using AI Code Generation
1const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage.js');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch({ headless: false });5 const page = await browser.newPage();6 await page.screenshot({ path: 'example.png' });7 await browser.close();8})();9const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage.js');10const { chromium } = require('playwright');11(async () => {12 const browser = await chromium.launch({ headless: false });13 const page = await browser.newPage();14 await _preparePageForScreenshot(page);15 await page.screenshot({ path: 'example.png' });16 await browser.close();17})();18const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage.js');19const { chromium } = require('playwright');20(async () => {21 const browser = await chromium.launch({ headless: false });22 const page = await browser.newPage();23 await _preparePageForScreenshot(page);24 await page.evaluate(() => {25 document.body.style.backgroundColor = 'red';26 });27 await page.screenshot({ path: 'example.png' });28 await browser.close();29})();30const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage.js');31const { chromium } = require('playwright');32(async () => {33 const browser = await chromium.launch({ headless: false });34 const page = await browser.newPage();35 await _preparePageForScreenshot(page);36 await page.evaluate(() => {37 document.body.style.backgroundColor = 'red';38 });39 await page.screenshot({ path: 'example.png' });40 await browser.close();41})();42const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage.js');43const { chromium } =
Using AI Code Generation
1const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage');2const { chromium } = require('playwright');3const fs = require('fs');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 await page.waitForLoadState('networkidle');9 const screenshot = await _preparePageForScreenshot(page, 'png', {});10 fs.writeFileSync('screenshot.png', screenshot);11 await browser.close();12})();13const { _preparePageForScreenshot } = require('playwright/lib/server/chromium/crPage');14const { chromium } = require('playwright');15const fs = require('fs');16(async () => {17 const browser = await chromium.launch();18 const context = await browser.newContext();19 const page = await context.newPage();20 await page.waitForLoadState('networkidle');21 const screenshot = await _preparePageForScreenshot(page, 'png', {});22 fs.writeFileSync('screenshot.png', screenshot);23 await browser.close();24})();
Using AI Code Generation
1const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const path = require('path');3const fs = require('fs');4(async () => {5 const browser = await chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const screenshot = await _preparePageForScreenshot(page);9 fs.writeFileSync(path.join(__dirname, 'screenshot.png'), screenshot);10 await browser.close();11})();
Using AI Code Generation
1const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');2const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');3const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');4const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');5const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');6const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');7const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');8const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');9const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');10const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');11const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');12const { _preparePageForScreenshot } = require('playwright/lib/server/supplements/recorder/recorderSupplement.js');
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._preparePageForScreenshot();23 await page.screenshot({path: 'google.png'});24 await browser.close();25})();26Your name to display (optional):27Your name to display (optional):28Hey @sourav, I think the issue is that you are calling _preparePageForScreenshot() before calling goto() . You need to call goto() first and then call _prep
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?
How to run a list of test suites in a single file concurrently in jest?
Running Playwright in Azure Function
firefox browser does not start in playwright
This question is quite close to a "need more focus" question. But let's try to give it some focus:
Does Playwright has access to the cPicker object on the page? Does it has access to the window object?
Yes, you can access both cPicker and the window object inside an evaluate call.
Should I trigger the events from the HTML file itself, and in the callbacks, print in the DOM the result, in some dummy-element, and then infer from that dummy element text that the callbacks fired?
Exactly, or you can assign values to a javascript variable:
const cPicker = new ColorPicker({
onClickOutside(e){
},
onInput(color){
window['color'] = color;
},
onChange(color){
window['result'] = color;
}
})
And then
it('Should call all callbacks with correct arguments', async() => {
await page.goto(`http://localhost:5000/tests/visual/basic.html`, {waitUntil:'load'})
// Wait until the next frame
await page.evaluate(() => new Promise(requestAnimationFrame))
// Act
// Assert
const result = await page.evaluate(() => window['color']);
// Check the value
})
Check out the latest blogs from LambdaTest on this topic:
Native apps are developed specifically for one platform. Hence they are fast and deliver superior performance. They can be downloaded from various app stores and are not accessible through browsers.
One of the essential parts when performing automated UI testing, whether using Selenium or another framework, is identifying the correct web elements the tests will interact with. However, if the web elements are not located correctly, you might get NoSuchElementException in Selenium. This would cause a false negative result because we won’t get to the actual functionality check. Instead, our test will fail simply because it failed to interact with the correct element.
Smartphones have changed the way humans interact with technology. Be it travel, fitness, lifestyle, video games, or even services, it’s all just a few touches away (quite literally so). We only need to look at the growing throngs of smartphone or tablet users vs. desktop users to grasp this reality.
As part of one of my consulting efforts, I worked with a mid-sized company that was looking to move toward a more agile manner of developing software. As with any shift in work style, there is some bewilderment and, for some, considerable anxiety. People are being challenged to leave their comfort zones and embrace a continuously changing, dynamic working environment. And, dare I say it, testing may be the most ‘disturbed’ of the software roles in agile development.
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.
Get 100 minutes of automation test minutes FREE!!