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fix(click): explicitly fail when element detached during click (#1835)

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We used to timeout instead.
This commit is contained in:
Dmitry Gozman 2020-04-16 15:38:41 -07:00 committed by GitHub
parent 629b77271c
commit af2340c35e
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 27 additions and 0 deletions
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8
src/injected/injected.ts
View file

@ -286,12 +286,16 @@ class Injected {
// and only force layout during actual rafs as a small optimisation.
if (++counter === 1)
return false;
if (!node.isConnected)
return 'Element is not attached to the DOM';
const clientRect = element.getBoundingClientRect();
const rect = { x: clientRect.top, y: clientRect.left, width: clientRect.width, height: clientRect.height };
const isDisplayedAndStable = lastRect && rect.x === lastRect.x && rect.y === lastRect.y && rect.width === lastRect.width && rect.height === lastRect.height && rect.width > 0 && rect.height > 0;
lastRect = rect;
return isDisplayedAndStable;
});
if (typeof result === 'string')
throw new Error(result);
if (!result)
throw new Error(`waiting for element to be displayed and not moving failed: timeout exceeded`);
}
@ -303,11 +307,15 @@ class Injected {
if (!element)
throw new Error('Element is not attached to the DOM');
const result = await this.poll('raf', timeout, () => {
if (!element!.isConnected)
return 'Element is not attached to the DOM';
let hitElement = this._deepElementFromPoint(document, point.x, point.y);
while (hitElement && hitElement !== element)
hitElement = this._parentElementOrShadowHost(hitElement);
return hitElement === element;
});
if (typeof result === 'string')
throw new Error(result);
if (!result)
throw new Error(`waiting for element to receive mouse events failed: timeout exceeded`);
}

19
test/click.spec.js
View file

@ -554,6 +554,25 @@ describe('Page.click', function() {
if (error2)
expect(error2.message).toContain('timeout exceeded');
});
it('should fail when element detaches after animation', async({page, server}) => {
await page.setContent(`<style>body, html { margin: 0; padding: 0; }</style><button onclick="window.clicked=true">Click me</button>`);
await page.$eval('button', button => {
button.style.transition = 'margin-left 100000ms linear';
});
await page.$eval('button', button => {
button.style.marginLeft = '100000px';
});
const handle = await page.$('button');
const promise = handle.click().catch(e => e);
await page.$eval('button', button => {
button.style.marginLeft = button.getBoundingClientRect().left + 'px';
button.style.transition = '';
button.remove();
});
const error = await promise;
expect(await page.evaluate(() => window.clicked)).toBe(undefined);
expect(error.message).toContain('Element is not attached to the DOM');
});
});
describe('Page.check', function() {