playwright/tests/library/hit-target.spec.ts
Dmitry Gozman 2f11807552
fix(click): no element should intercept events over the target frame (#15043)
When target element is inside a non-main frame, there could be an
overlay in some of the parent frames that intercepts pointer events.
However, we never detected this case.
2022-06-24 13:17:25 -07:00

276 lines
10 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { contextTest as it, expect } from '../config/browserTest';
declare const renderComponent;
declare const e;
declare const MaterialUI;
it('should block all events when hit target is wrong', async ({ page, server }) => {
await page.goto(server.PREFIX + '/input/button.html');
await page.evaluate(() => {
const blocker = document.createElement('div');
blocker.style.position = 'absolute';
blocker.style.width = '400px';
blocker.style.height = '400px';
blocker.style.left = '0';
blocker.style.top = '0';
document.body.appendChild(blocker);
const allEvents = [];
(window as any).allEvents = allEvents;
for (const name of ['mousedown', 'mouseup', 'click', 'dblclick', 'auxclick', 'contextmenu', 'pointerdown', 'pointerup']) {
window.addEventListener(name, e => allEvents.push(e.type));
blocker.addEventListener(name, e => allEvents.push(e.type));
}
});
const error = await page.click('button', { timeout: 1000 }).catch(e => e);
expect(error.message).toContain('page.click: Timeout 1000ms exceeded.');
// Give it some time, just in case.
await page.waitForTimeout(1000);
const allEvents = await page.evaluate(() => (window as any).allEvents);
expect(allEvents).toEqual([]);
});
it('should block click when mousedown fails', async ({ page, server }) => {
await page.goto(server.PREFIX + '/input/button.html');
await page.$eval('button', button => {
button.addEventListener('mousemove', () => {
button.style.marginLeft = '100px';
});
const allEvents = [];
(window as any).allEvents = allEvents;
for (const name of ['mousemove', 'mousedown', 'mouseup', 'click', 'dblclick', 'auxclick', 'contextmenu', 'pointerdown', 'pointerup'])
button.addEventListener(name, e => allEvents.push(e.type));
});
await page.click('button');
expect(await page.evaluate('result')).toBe('Clicked');
const allEvents = await page.evaluate(() => (window as any).allEvents);
expect(allEvents).toEqual([
// First attempt failed.
'mousemove',
// Second attempt succeeded.
'mousemove', 'pointerdown', 'mousedown', 'pointerup', 'mouseup', 'click',
]);
});
it('should click when element detaches in mousedown', async ({ page, server }) => {
await page.goto(server.PREFIX + '/input/button.html');
await page.$eval('button', button => {
button.addEventListener('mousedown', () => {
(window as any).result = 'Mousedown';
button.remove();
});
});
await page.click('button', { timeout: 1000 });
expect(await page.evaluate('result')).toBe('Mousedown');
});
it('should block all events when hit target is wrong and element detaches', async ({ page, server }) => {
await page.goto(server.PREFIX + '/input/button.html');
await page.$eval('button', button => {
const blocker = document.createElement('div');
blocker.style.position = 'absolute';
blocker.style.width = '400px';
blocker.style.height = '400px';
blocker.style.left = '0';
blocker.style.top = '0';
document.body.appendChild(blocker);
window.addEventListener('mousemove', () => button.remove());
const allEvents = [];
(window as any).allEvents = allEvents;
for (const name of ['mousedown', 'mouseup', 'click', 'dblclick', 'auxclick', 'contextmenu', 'pointerdown', 'pointerup']) {
window.addEventListener(name, e => allEvents.push(e.type));
blocker.addEventListener(name, e => allEvents.push(e.type));
}
});
const error = await page.click('button', { timeout: 1000 }).catch(e => e);
expect(error.message).toContain('page.click: Timeout 1000ms exceeded.');
// Give it some time, just in case.
await page.waitForTimeout(1000);
const allEvents = await page.evaluate(() => (window as any).allEvents);
expect(allEvents).toEqual([]);
});
it('should not block programmatic events', async ({ page, server }) => {
await page.goto(server.PREFIX + '/input/button.html');
await page.$eval('button', button => {
button.addEventListener('mousemove', () => {
button.style.marginLeft = '100px';
button.dispatchEvent(new MouseEvent('click'));
});
const allEvents = [];
(window as any).allEvents = allEvents;
button.addEventListener('click', e => {
if (!e.isTrusted)
allEvents.push(e.type);
});
});
await page.click('button');
expect(await page.evaluate('result')).toBe('Clicked');
const allEvents = await page.evaluate(() => (window as any).allEvents);
// We should get one programmatic click on each attempt.
expect(allEvents).toEqual([
'click', 'click',
]);
});
it('should click the button again after document.write', async ({ page, server }) => {
await page.goto(server.PREFIX + '/input/button.html');
await page.click('button');
expect(await page.evaluate('result')).toBe('Clicked');
await page.evaluate(() => {
document.open();
document.write('<button onclick="window.result2 = true"></button>');
document.close();
});
await page.click('button');
expect(await page.evaluate('result2')).toBe(true);
});
it('should work with mui select', async ({ page, server }) => {
await page.goto(server.PREFIX + '/mui.html');
await page.evaluate(() => {
renderComponent(e(MaterialUI.FormControl, { fullWidth: true }, [
e(MaterialUI.InputLabel, { id: 'demo-simple-select-label' }, ['Age']),
e(MaterialUI.Select, {
labelId: 'demo-simple-select-label',
id: 'demo-simple-select',
value: 10,
label: 'Age',
}, [
e(MaterialUI.MenuItem, { value: 10 }, ['Ten']),
e(MaterialUI.MenuItem, { value: 20 }, ['Twenty']),
e(MaterialUI.MenuItem, { value: 30 }, ['Thirty']),
]),
]));
});
await page.click('div.MuiFormControl-root:has-text("Age")');
await expect(page.locator('text=Thirty')).toBeVisible();
});
it('should work with drag and drop that moves the element under cursor', async ({ page, server }) => {
await page.goto(server.PREFIX + '/input/drag-n-drop-manual.html');
await page.dragAndDrop('#from', '#to');
await expect(page.locator('#to')).toHaveText('Dropped');
});
it('should work with block inside inline', async ({ page, server }) => {
await page.goto(server.EMPTY_PAGE);
await page.setContent(`
<div>
<span>
<div id="target" onclick="window._clicked=true">
Romimine
</div>
</span>
</div>
`);
await page.locator('#target').click();
expect(await page.evaluate('window._clicked')).toBe(true);
});
it('should work with block-block-block inside inline-inline', async ({ page, server }) => {
await page.goto(server.EMPTY_PAGE);
await page.setContent(`
<div>
<a href="#ney">
<div>
<span>
<a href="#yay">
<div>
<h3 id="target">
Romimine
</h3>
</div>
</a>
</span>
</div>
</a>
</div>
`);
await page.locator('#target').click();
await expect(page).toHaveURL(server.EMPTY_PAGE + '#yay');
});
it('should work with block inside inline in shadow dom', async ({ page, server }) => {
await page.goto(server.EMPTY_PAGE);
await page.setContent(`
<div>
</div>
<script>
const root = document.querySelector('div');
const shadowRoot = root.attachShadow({ mode: 'open' });
const span = document.createElement('span');
shadowRoot.appendChild(span);
const div = document.createElement('div');
span.appendChild(div);
div.id = 'target';
div.addEventListener('click', () => window._clicked = true);
div.textContent = 'Hello';
</script>
`);
await page.locator('#target').click();
expect(await page.evaluate('window._clicked')).toBe(true);
});
it('should not click iframe overlaying the target', async ({ page, server }) => {
await page.goto(server.EMPTY_PAGE);
await page.setContent(`
<button style="position: absolute; left: 250px;bottom: 0;height: 40px;width: 200px;" onclick="window._clicked=1">
click-me
</button>
<div style="background: transparent; bottom: 0px; left: 0px; margin: 0px; padding: 0px; position: fixed; z-index: 2147483647;">
<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>
</div>
`);
const error = await page.click('text=click-me', { timeout: 500 }).catch(e => e);
expect(await page.evaluate('window._clicked')).toBe(undefined);
expect(error.message).toContain(`<iframe srcdoc="<body onclick='window.top._clicked=2' st…></iframe> from <div>…</div> subtree intercepts pointer events`);
});
it('should not click an element overlaying iframe with the target', async ({ page, server }) => {
await page.goto(server.EMPTY_PAGE);
await page.setContent(`
<div onclick='window.top._clicked=1'>padding</div>
<iframe width=600 height=600 srcdoc="<iframe srcdoc='<div onclick=&quot;window.top._clicked=2&quot;>padding</div><div onclick=&quot;window.top._clicked=3&quot;>inner</div>'></iframe><div onclick='window.top._clicked=4'>outer</div>"></iframe>
<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>
`);
const target = page.frameLocator('iframe').frameLocator('iframe').locator('text=inner');
const error = await target.click({ timeout: 500 }).catch(e => e);
expect(await page.evaluate('window._clicked')).toBe(undefined);
expect(error.message).toContain(`<div onclick="window.top._clicked=5">PINK OVERLAY</div> intercepts pointer events`);
await page.locator('text=overlay').evaluate(e => e.style.display = 'none');
await target.click();
expect(await page.evaluate('window._clicked')).toBe(3);
});