Best JavaScript code snippet using playwright-internal
crBrowser.js
Source: crBrowser.js
...399 }400 async doRemoveInitScripts() {401 for (const page of this.pages()) await page._delegate.removeInitScripts();402 }403 async doExposeBinding(binding) {404 for (const page of this.pages()) await page._delegate.exposeBinding(binding);405 }406 async doRemoveExposedBindings() {407 for (const page of this.pages()) await page._delegate.removeExposedBindings();408 }409 async doUpdateRequestInterception() {410 for (const page of this.pages()) await page._delegate.updateRequestInterception();411 }412 async doClose() {413 (0, _utils.assert)(this._browserContextId); // Headful chrome cannot dispose browser context with opened 'beforeunload'414 // dialogs, so we should close all that are currently opened.415 // We also won't get new ones since `Target.disposeBrowserContext` does not trigger416 // beforeunload.417 const openedBeforeUnloadDialogs = [];...
browserContext.js
Source: browserContext.js
...134 if (page.getBinding(name)) throw new Error(`Function "${name}" has been already registered in one of the pages`);135 }136 const binding = new _page.PageBinding(name, playwrightBinding, needsHandle);137 this._pageBindings.set(name, binding);138 await this.doExposeBinding(binding);139 }140 async removeExposedBindings() {141 this._pageBindings.clear();142 await this.doRemoveExposedBindings();143 }144 async grantPermissions(permissions, origin) {145 let resolvedOrigin = '*';146 if (origin) {147 const url = new URL(origin);148 resolvedOrigin = url.origin;149 }150 const existing = new Set(this._permissions.get(resolvedOrigin) || []);151 permissions.forEach(p => existing.add(p));152 const list = [...existing.values()];...
ffBrowser.js
Source: ffBrowser.js
...339 browserContextId: this._browserContextId,340 scripts: []341 });342 }343 async doExposeBinding(binding) {344 await this._browser._connection.send('Browser.addBinding', {345 browserContextId: this._browserContextId,346 name: binding.name,347 script: binding.source348 });349 }350 async doRemoveExposedBindings() {// TODO: implement me.351 }352 async doUpdateRequestInterception() {353 await this._browser._connection.send('Browser.setRequestInterception', {354 browserContextId: this._browserContextId,355 enabled: !!this._requestInterceptor356 });357 }...
wkBrowser.js
Source: wkBrowser.js
...268 }269 async doRemoveInitScripts() {270 for (const page of this.pages()) await page._delegate._updateBootstrapScript();271 }272 async doExposeBinding(binding) {273 for (const page of this.pages()) await page._delegate.exposeBinding(binding);274 }275 async doRemoveExposedBindings() {276 for (const page of this.pages()) await page._delegate.removeExposedBindings();277 }278 async doUpdateRequestInterception() {279 for (const page of this.pages()) await page._delegate.updateRequestInterception();280 }281 onClosePersistent() {}282 async doClose() {283 (0, _utils.assert)(this._browserContextId);284 await this._browser._browserSession.send('Playwright.deleteContext', {285 browserContextId: this._browserContextId286 });...
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 for (const browserType of ['chromium', 'firefox', 'webkit']) {4 const browser = await playwright[browserType].launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await page.exposeBinding('myBinding', (source, ...args) => {8 return {source, args};9 });10 const result = await page.evaluate(async ({name}) => {11 return await window.myBinding('test', {name});12 }, {name: 'John Doe'});13 console.log(result);14 await browser.close();15 }16})();
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.exposeBinding('log', (source, ...args) => {7 console.log('log called with', ...args);8 });9 await page.evaluate(() => {10 window.log('hello', 'world');11 });12 await browser.close();13})();
Using AI Code Generation
1const { doExposeBinding } = require('playwright/lib/server/frames');2const { chromium } = require('playwright');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 const page = await context.newPage();7 await doExposeBinding(page.mainFrame(), 'myBinding', (source, ...args) => {8 console.log('myBinding called', source, args);9 });10 await page.evaluate(() => {11 window['myBinding']('fromEvaluate', 1, 2, 3);12 });13 await browser.close();14})();15import { doExposeBinding } from 'playwright/lib/server/frames';16import { chromium } from 'playwright';17(async () => {18 const browser = await chromium.launch();19 const context = await browser.newContext();20 const page = await context.newPage();21 await doExposeBinding(page.mainFrame(), 'myBinding', (source, ...args) => {22 console.log('myBinding called', source, args);23 });24 await page.evaluate(() => {25 window['myBinding']('fromEvaluate', 1, 2, 3);26 });27 await browser.close();28})();29const { doExposeBinding } = require('playwright/lib/server/frames');30const { chromium } = require('playwright');31(async () => {32 const browser = await chromium.launch();33 const context = await browser.newContext();34 const page = await context.newPage();35 await doExposeBinding(page.mainFrame(), 'myBinding', (source, ...args) => {36 console.log('myBinding called', source, args);37 });38 await page.evaluate(() => {39 window['myBinding']('fromEvaluate', 1, 2, 3);40 });41 await browser.close();42})();
Using AI Code Generation
1const playwright = require('playwright');2const { doExposeBinding } = require('playwright/lib/server/browserContext');3const browser = await playwright.chromium.launch();4const context = await browser.newContext();5const page = await context.newPage();6await doExposeBinding(page, 'myBinding', (source, ...args) => {7 console.log('myBinding called with', ...args);8});9await page.evaluate(async () => {10 await window['myBinding']('arg1', 'arg2');11});12await browser.close();
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const page = await browser.newPage();5 const context = page.context();6 context._doExposeBinding('myBinding', (source, ...args) => {7 console.log('myBinding called from:', source);8 console.log('myBinding arguments:', args);9 return 'myBinding return value';10 });11 await page.exposeFunction('myFunction', (source, ...args) => {12 console.log('myFunction called from:', source);13 console.log('myFunction arguments:', args);14 return 'myFunction return value';15 });16 await page.evaluate(async () => {17 const myBinding = await window['myBinding'];18 console.log('myBinding result:', myBinding('myBinding argument'));19 const myFunction = await window['myFunction'];20 console.log('myFunction result:', myFunction('myFunction argument'));21 });22 await browser.close();23})();
Using AI Code Generation
1const { doExposeBinding } = require('playwright/lib/server/browserContext');2const { Page } = require('playwright/lib/server/page');3const { JSHandle } = require('playwright/lib/server/jsHandle');4const { ElementHandle } = require('playwright/lib/server/elementHandler');5const { Frame } = require('playwright/lib/server/frame');6doExposeBinding(Page.prototype);7doExposeBinding(JSHandle.prototype);8doExposeBinding(ElementHandle.prototype);9doExposeBinding(Frame.prototype);10const { doExposeBinding } = require('playwright/lib/server/browserContext');11const { Page } = require('playwright/lib/server/page');12const { JSHandle } = require('playwright/lib/server/jsHandle');13const { ElementHandle } = require('playwright/lib/server/elementHandler');14const { Frame } = require('playwright/lib/server/frame');15doExposeBinding(Page.prototype);16doExposeBinding(JSHandle.prototype);17doExposeBinding(ElementHandle.prototype);18doExposeBinding(Frame.prototype);19const { doExposeBinding } = require('playwright/lib/server/browserContext');20const { Page } = require('playwright/lib/server/page');21const { JSHandle } = require('playwright/lib/server/jsHandle');22const { ElementHandle } = require('playwright/lib/server/elementHandler');23const { Frame } = require('playwright/lib/server/frame');24doExposeBinding(Page.prototype);25doExposeBinding(JSHandle.prototype);26doExposeBinding(ElementHandle.prototype);27doExposeBinding(Frame.prototype);28const { doExposeBinding } = require('playwright/lib/server/browserContext');29const { Page } = require('playwright/lib/server/page');30const { JSHandle } = require('playwright/lib/server/jsHandle');31const { ElementHandle } = require('playwright/lib/server/elementHandler');32const { Frame } = require('playwright/lib/server/frame');33doExposeBinding(Page.prototype);34doExposeBinding(JSHandle.prototype);35doExposeBinding(ElementHandle.prototype);36doExposeBinding(Frame.prototype);
Using AI Code Generation
1const { doExposeBinding } = require('playwright/lib/internal/evaluators/JavaScriptEnvironment');2const { Page } = require('playwright/lib/server/page');3const { Frame } = require('playwright/lib/server/frame');4const { JSHandle } = require('playwright/lib/server/jsHandle');5doExposeBinding(Page.prototype, 'pageBinding', true);6doExposeBinding(Frame.prototype, 'frameBinding', true);7doExposeBinding(JSHandle.prototype, 'handleBinding', false);8const { chromium } = require('playwright');9(async () => {10 const browser = await chromium.launch();11 const context = await browser.newContext();12 const page = await context.newPage();13 await page.exposeBinding('pageBinding', async (source, ...args) => {14 console.log('pageBinding', source, args);15 });16 await page.exposeBinding('frameBinding', async (source, ...args) => {17 console.log('frameBinding', source, args);18 });19 await page.exposeBinding('handleBinding', async (source, ...args) => {20 console.log('handleBinding', source, args);21 });22 await page.evaluate(() => {23 window.pageBinding('fromEvaluate', 1, 2, 3);24 window.frameBinding('fromEvaluate', 1, 2, 3);25 window.handleBinding('fromEvaluate', 1, 2, 3);26 });27 await browser.close();28})();29const { chromium } = require('playwright');30(async () => {31 const browser = await chromium.launch();32 const context = await browser.newContext();33 const page = await context.newPage();34 await page.exposeBinding('pageBinding', async (source, ...args) => {35 console.log('pageBinding', source, args);36 });37 await page.exposeBinding('frameBinding', async (source, ...args) => {38 console.log('frameBinding', source, args);39 });40 await page.exposeBinding('handleBinding', async (source, ...args) => {41 console.log('handleBinding', source, args);42 });
Using AI Code Generation
1const { doExposeBinding } = require('playwright-core/lib/server/browserContext');2const { BrowserContext } = require('playwright-core/lib/server/browserContext');3const { Page } = require('playwright-core/lib/server/page');4const { JSHandle } = require('playwright-core/lib/server/jsHandle');5const { ElementHandle } = require('playwright-core/lib/server/elementHandler');6const { Frame } = require('playwright-core/lib/server/frames');7const { BindingCall } = require('playwright-core/lib/server/injected/injectedScript');8const { ExecutionContext } = require('playwright-core/lib/server/injected/injectedScript');9const { evaluateHandle } = require('playwright-core/lib/server/injected/injectedScript');10const { evaluate } = require('playwright-core/lib/server/injected/injectedScript');11const { serializeResult } = require('playwright-core/lib/server/injected/injectedScript');12const { serializeError } = require('playwright-core/lib/server/injected/injectedScript');13const { serializeValue } = require('playwright-core/lib/server/injected/injectedScript');14const { parseValue } = require('playwright-core/lib/server/injected/injectedScript');15const { releaseObject } = require('playwright-core/lib/server/injected/injectedScript');16const { createHandle } = require('playwright-core/lib/server/injected/injectedScript');17const { createJSHandle } = require('playwright-core/lib/server/injected/injectedScript');18const { createHandleFromElement } = require('playwright-core/lib/server/injected/injectedScript');19const { createHandleFromFrame } = require('play
Using AI Code Generation
1const { doExposeBinding } = require('playwright/lib/server/chromium/crPage');2doExposeBinding(page, 'exposedBinding', (source, ...args) => {3 console.log('exposedBinding', source, args);4});5page.exposeBinding('exposedBinding', (source, ...args) => {6 console.log('exposedBinding', source, args);7});8const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');9doAddInitScript(page, 'console.log("doAddInitScript")');10const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');11doAddInitScript(page, 'console.log("doAddInitScript")');12page.evaluate(() => {13 window.addEventListener('message', (event) => {14 console.log('window.addEventListener', event);15 });16 window.postMessage('hello', '*');17});18const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');19doAddInitScript(page, 'console.log("doAddInitScript")');20const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');21doAddInitScript(page, 'console.log("doAddInitScript")');22page.evaluate(() => {23 window.addEventListener('message', (event) => {24 console.log('window.addEventListener', event);25 });26 window.postMessage('hello', '*');27});28const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');29doAddInitScript(page, 'console.log("doAddInitScript")');30const { doAddInitScript } = require('playwright/lib/server/chromium/crPage');31doAddInitScript(page, 'console.log("doAddInitScript")');32page.evaluate(() => {33 window.addEventListener('message', (event) => {34 console.log('window.addEventListener', event);35 });
Using AI Code Generation
1const { chromium } = require('playwright');2const { doExposeBinding } = require('playwright/lib/server/browserContext');3(async () => {4 const browser = await chromium.launch();5 const context = await browser.newContext();6 doExposeBinding(context, 'add', (source, ...args) => {7 return args.reduce((a, b) => a + b, 0);8 });9 const page = await context.newPage();10 const result = await page.evaluate(() => {11 return add(5, 6);12 });13 console.log(result);14 await browser.close();15})();16from playwright.sync_api import sync_playwright17with sync_playwright() as p:18 browser = p.chromium.launch()19 context = browser.new_context()20 page = context.new_page()21 result = page.evaluate("() => add(5, 6)")22 print(result)23 browser.close()24import { chromium } from 'playwright';25(async () => {26 const browser = await chromium.launch();27 const context = await browser.newContext();28 const page = await context.newPage();29 const result = await page.evaluate(() => {30 return add(5, 6);31 });32 console.log(result);33 await browser.close();34})();35const { chromium } = require('playwright');36const { doExposeBinding } = require('playwright/lib/server/browserContext');37(async () => {38 const browser = await chromium.launch();39 const context = await browser.newContext();
Jest + Playwright - Test callbacks of event-based DOM library
firefox browser does not start in playwright
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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
})
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