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6e1c94b5fe
Although Playwright selectors do not pierce closed shadow roots, one can still obtain a reference to an element inside a closed shadow root: - through `page.evaluate()`; - through `handle.$()` where `handle` is inside the shadow root; - through `frame.locator()` by choosing an iframe that belongs to a closed shadow root. In this case, `click()` action fails during the hit check test, but it's possible to make it work by going bottom up from the target rather than top down from the document.
365 lines
13 KiB
TypeScript
365 lines
13 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { contextTest as it, expect } from '../config/browserTest';
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import type { ElementHandle } from 'playwright-core';
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declare const renderComponent;
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declare const e;
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declare const MaterialUI;
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it('should block all events when hit target is wrong', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/input/button.html');
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await page.evaluate(() => {
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const blocker = document.createElement('div');
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blocker.style.position = 'absolute';
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blocker.style.width = '400px';
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blocker.style.height = '400px';
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blocker.style.left = '0';
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blocker.style.top = '0';
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document.body.appendChild(blocker);
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const allEvents = [];
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(window as any).allEvents = allEvents;
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for (const name of ['mousedown', 'mouseup', 'click', 'dblclick', 'auxclick', 'contextmenu', 'pointerdown', 'pointerup']) {
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window.addEventListener(name, e => allEvents.push(e.type));
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blocker.addEventListener(name, e => allEvents.push(e.type));
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}
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});
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const error = await page.click('button', { timeout: 1000 }).catch(e => e);
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expect(error.message).toContain('page.click: Timeout 1000ms exceeded.');
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// Give it some time, just in case.
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await page.waitForTimeout(1000);
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const allEvents = await page.evaluate(() => (window as any).allEvents);
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expect(allEvents).toEqual([]);
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});
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it('should block click when mousedown fails', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/input/button.html');
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await page.$eval('button', button => {
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button.addEventListener('mousemove', () => {
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button.style.marginLeft = '100px';
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});
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const allEvents = [];
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(window as any).allEvents = allEvents;
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for (const name of ['mousemove', 'mousedown', 'mouseup', 'click', 'dblclick', 'auxclick', 'contextmenu', 'pointerdown', 'pointerup'])
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button.addEventListener(name, e => allEvents.push(e.type));
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});
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await page.click('button');
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expect(await page.evaluate('result')).toBe('Clicked');
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const allEvents = await page.evaluate(() => (window as any).allEvents);
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expect(allEvents).toEqual([
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// First attempt failed.
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'mousemove',
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// Second attempt succeeded.
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'mousemove', 'pointerdown', 'mousedown', 'pointerup', 'mouseup', 'click',
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]);
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});
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it('should click when element detaches in mousedown', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/input/button.html');
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await page.$eval('button', button => {
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button.addEventListener('mousedown', () => {
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(window as any).result = 'Mousedown';
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button.remove();
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});
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});
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await page.click('button', { timeout: 1000 });
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expect(await page.evaluate('result')).toBe('Mousedown');
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});
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it('should block all events when hit target is wrong and element detaches', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/input/button.html');
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await page.$eval('button', button => {
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const blocker = document.createElement('div');
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blocker.style.position = 'absolute';
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blocker.style.width = '400px';
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blocker.style.height = '400px';
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blocker.style.left = '0';
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blocker.style.top = '0';
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document.body.appendChild(blocker);
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window.addEventListener('mousemove', () => button.remove());
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const allEvents = [];
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(window as any).allEvents = allEvents;
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for (const name of ['mousedown', 'mouseup', 'click', 'dblclick', 'auxclick', 'contextmenu', 'pointerdown', 'pointerup']) {
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window.addEventListener(name, e => allEvents.push(e.type));
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blocker.addEventListener(name, e => allEvents.push(e.type));
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}
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});
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const error = await page.click('button', { timeout: 1000 }).catch(e => e);
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expect(error.message).toContain('page.click: Timeout 1000ms exceeded.');
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// Give it some time, just in case.
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await page.waitForTimeout(1000);
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const allEvents = await page.evaluate(() => (window as any).allEvents);
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expect(allEvents).toEqual([]);
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});
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it('should not block programmatic events', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/input/button.html');
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await page.$eval('button', button => {
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button.addEventListener('mousemove', () => {
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button.style.marginLeft = '100px';
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button.dispatchEvent(new MouseEvent('click'));
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});
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const allEvents = [];
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(window as any).allEvents = allEvents;
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button.addEventListener('click', e => {
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if (!e.isTrusted)
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allEvents.push(e.type);
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});
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});
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await page.click('button');
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expect(await page.evaluate('result')).toBe('Clicked');
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const allEvents = await page.evaluate(() => (window as any).allEvents);
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// We should get one programmatic click on each attempt.
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expect(allEvents).toEqual([
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'click', 'click',
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]);
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});
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it('should click the button again after document.write', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/input/button.html');
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await page.click('button');
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expect(await page.evaluate('result')).toBe('Clicked');
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await page.evaluate(() => {
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document.open();
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document.write('<button onclick="window.result2 = true"></button>');
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document.close();
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});
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await page.click('button');
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expect(await page.evaluate('result2')).toBe(true);
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});
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it('should work with mui select', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/mui.html');
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await page.evaluate(() => {
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renderComponent(e(MaterialUI.FormControl, { fullWidth: true }, [
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e(MaterialUI.InputLabel, { id: 'demo-simple-select-label' }, ['Age']),
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e(MaterialUI.Select, {
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labelId: 'demo-simple-select-label',
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id: 'demo-simple-select',
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value: 10,
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label: 'Age',
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}, [
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e(MaterialUI.MenuItem, { value: 10 }, ['Ten']),
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e(MaterialUI.MenuItem, { value: 20 }, ['Twenty']),
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e(MaterialUI.MenuItem, { value: 30 }, ['Thirty']),
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]),
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]));
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});
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await page.click('div.MuiFormControl-root:has-text("Age")');
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await expect(page.locator('text=Thirty')).toBeVisible();
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});
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it('should work with drag and drop that moves the element under cursor', async ({ page, server }) => {
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await page.goto(server.PREFIX + '/input/drag-n-drop-manual.html');
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await page.dragAndDrop('#from', '#to');
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await expect(page.locator('#to')).toHaveText('Dropped');
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});
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it('should work with block inside inline', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<div>
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<span>
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<div id="target" onclick="window._clicked=true">
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Romimine
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</div>
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</span>
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</div>
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`);
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await page.locator('#target').click();
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expect(await page.evaluate('window._clicked')).toBe(true);
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});
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it('should work with block-block-block inside inline-inline', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<div>
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<a href="#ney">
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<div>
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<span>
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<a href="#yay">
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<div>
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<h3 id="target">
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Romimine
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</h3>
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</div>
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</a>
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</span>
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</div>
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</a>
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</div>
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`);
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await page.locator('#target').click();
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await expect(page).toHaveURL(server.EMPTY_PAGE + '#yay');
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});
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it('should work with block inside inline in shadow dom', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<div>
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</div>
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<script>
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const root = document.querySelector('div');
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const shadowRoot = root.attachShadow({ mode: 'open' });
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const span = document.createElement('span');
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shadowRoot.appendChild(span);
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const div = document.createElement('div');
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span.appendChild(div);
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div.id = 'target';
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div.addEventListener('click', () => window._clicked = true);
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div.textContent = 'Hello';
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</script>
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`);
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await page.locator('#target').click();
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expect(await page.evaluate('window._clicked')).toBe(true);
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});
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it('should not click iframe overlaying the target', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<button style="position: absolute; left: 250px;bottom: 0;height: 40px;width: 200px;" onclick="window._clicked=1">
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click-me
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</button>
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<div style="background: transparent; bottom: 0px; left: 0px; margin: 0px; padding: 0px; position: fixed; z-index: 2147483647;">
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<iframe srcdoc="<body onclick='window.top._clicked=2' style='background-color:red;height:40px;'></body>" style="display: block; border: 0px; width: 100vw; height: 48px;"></iframe>
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</div>
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`);
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const error = await page.click('text=click-me', { timeout: 1000 }).catch(e => e);
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expect(await page.evaluate('window._clicked')).toBe(undefined);
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expect(error.message).toContain(`<iframe srcdoc="<body onclick='window.top._clicked=2' st…></iframe> from <div>…</div> subtree intercepts pointer events`);
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});
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it('should not click an element overlaying iframe with the target', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<div onclick='window.top._clicked=1'>padding</div>
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<iframe width=600 height=600 srcdoc="<iframe srcdoc='<div onclick="window.top._clicked=2">padding</div><div onclick="window.top._clicked=3">inner</div>'></iframe><div onclick='window.top._clicked=4'>outer</div>"></iframe>
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<div onclick='window.top._clicked=5' style="position: absolute; left: 0; right: 0; top: 0; bottom: 0; background: rgba(255, 0, 0, 0.1); padding: 200px;">PINK OVERLAY</div>
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`);
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const target = page.frameLocator('iframe').frameLocator('iframe').locator('text=inner');
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const error = await target.click({ timeout: 1000 }).catch(e => e);
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expect(await page.evaluate('window._clicked')).toBe(undefined);
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expect(error.message).toContain(`<div onclick="window.top._clicked=5">PINK OVERLAY</div> intercepts pointer events`);
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await page.locator('text=overlay').evaluate(e => e.style.display = 'none');
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await target.click();
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expect(await page.evaluate('window._clicked')).toBe(3);
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});
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it('should click into frame inside closed shadow root', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<div id=framecontainer>
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</div>
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<script>
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const iframe = document.createElement('iframe');
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iframe.setAttribute('name', 'myframe');
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iframe.setAttribute('srcdoc', '<div onclick="window.top.__clicked = true">click me</div>');
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const div = document.getElementById('framecontainer');
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const host = div.attachShadow({ mode: 'closed' });
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host.appendChild(iframe);
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</script>
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`);
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const frame = page.frame({ name: 'myframe' });
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await frame.locator('text=click me').click();
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expect(await page.evaluate('window.__clicked')).toBe(true);
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});
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it('should click an element inside closed shadow root', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<div id=container>
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</div>
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<script>
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const span = document.createElement('span');
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span.textContent = 'click me';
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span.addEventListener('click', () => window.__clicked = true);
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const div = document.getElementById('container');
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const host = div.attachShadow({ mode: 'closed' });
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host.appendChild(span);
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window.__target = span;
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</script>
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`);
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const handle = await page.evaluateHandle('window.__target');
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await (handle as any as ElementHandle).click();
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expect(await page.evaluate('window.__clicked')).toBe(true);
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});
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it('should detect overlay from another shadow root', async ({ page, server }) => {
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await page.goto(server.EMPTY_PAGE);
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await page.setContent(`
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<style>
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div > div {
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position: absolute;
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top: 0;
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left: 0;
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width: 10px;
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height: 10px;
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}
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span {
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display: block;
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position: absolute;
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left: 0;
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top: 0;
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width: 300px;
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height: 300px;
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}
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</style>
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<div style="position:relative; width:300px; height:300px">
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<div id=container1></div>
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<div id=container2></div>
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</div>
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<script>
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for (const id of ['container1', 'container2']) {
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const span = document.createElement('span');
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span.id = id + '-span';
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span.textContent = 'click me';
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span.style.display = 'block';
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span.style.position = 'absolute';
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span.style.left = '20px';
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span.style.top = '20px';
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span.style.width = '300px';
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span.style.height = '300px';
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span.addEventListener('click', () => window.__clicked = id);
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const div = document.getElementById(id);
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const host = div.attachShadow({ mode: 'open' });
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host.appendChild(span);
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}
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</script>
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`);
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const error = await page.locator('#container1 >> text=click me').click({ timeout: 2000 }).catch(e => e);
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expect(error.message).toContain(`<div id="container2"></div> intercepts pointer events`);
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});
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