playwright/tests/page/page-dispatchevent.spec.ts

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/**
* Copyright Microsoft Corporation. All rights reserved.
*
* 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 { test as it, expect } from './pageTest';
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it('should dispatch click event', async ({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
await page.dispatchEvent('button', 'click');
expect(await page.evaluate(() => window['result'])).toBe('Clicked');
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});
it('should dispatch click event properties', async ({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
await page.dispatchEvent('button', 'click');
expect(await page.evaluate('bubbles')).toBeTruthy();
expect(await page.evaluate('cancelable')).toBeTruthy();
expect(await page.evaluate('composed')).toBeTruthy();
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});
it('should dispatch click svg', async ({page}) => {
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await page.setContent(`
<svg height="100" width="100">
<circle onclick="javascript:window.__CLICKED=42" cx="50" cy="50" r="40" stroke="black" stroke-width="3" fill="red" />
</svg>
`);
await page.dispatchEvent('circle', 'click');
expect(await page.evaluate(() => window['__CLICKED'])).toBe(42);
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});
it('should dispatch click on a span with an inline element inside', async ({page}) => {
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await page.setContent(`
<style>
span::before {
content: 'q';
}
</style>
<span onclick='javascript:window.CLICKED=42'></span>
`);
await page.dispatchEvent('span', 'click');
expect(await page.evaluate(() => window['CLICKED'])).toBe(42);
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});
it('should dispatch click after navigation ', async ({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
await page.dispatchEvent('button', 'click');
await page.goto(server.PREFIX + '/input/button.html');
await page.dispatchEvent('button', 'click');
expect(await page.evaluate(() => window['result'])).toBe('Clicked');
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});
it('should dispatch click after a cross origin navigation ', async ({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
await page.dispatchEvent('button', 'click');
await page.goto(server.CROSS_PROCESS_PREFIX + '/input/button.html');
await page.dispatchEvent('button', 'click');
expect(await page.evaluate(() => window['result'])).toBe('Clicked');
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});
it('should not fail when element is blocked on hover', async ({page}) => {
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await page.setContent(`<style>
container { display: block; position: relative; width: 200px; height: 50px; }
div, button { position: absolute; left: 0; top: 0; bottom: 0; right: 0; }
div { pointer-events: none; }
container:hover div { pointer-events: auto; background: red; }
</style>
<container>
<button onclick="window.clicked=true">Click me</button>
<div></div>
</container>`);
await page.dispatchEvent('button', 'click');
expect(await page.evaluate(() => window['clicked'])).toBeTruthy();
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});
it('should dispatch click when node is added in shadow dom', async ({page, server}) => {
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await page.goto(server.EMPTY_PAGE);
const watchdog = page.dispatchEvent('span', 'click');
await page.evaluate(() => {
const div = document.createElement('div');
div.attachShadow({mode: 'open'});
document.body.appendChild(div);
});
await page.evaluate(() => new Promise(f => setTimeout(f, 100)));
await page.evaluate(() => {
const span = document.createElement('span');
span.textContent = 'Hello from shadow';
span.addEventListener('click', () => window['clicked'] = true);
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document.querySelector('div').shadowRoot.appendChild(span);
});
await watchdog;
expect(await page.evaluate(() => window['clicked'])).toBe(true);
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});
it('should be atomic', async ({playwright, page}) => {
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const createDummySelector = () => ({
query(root, selector) {
const result = root.querySelector(selector);
if (result)
Promise.resolve().then(() => result.onclick = '');
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return result;
},
queryAll(root: HTMLElement, selector: string) {
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const result = Array.from(root.querySelectorAll(selector));
for (const e of result)
Promise.resolve().then(() => (e as HTMLElement).onclick = null);
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return result;
}
});
await playwright.selectors.register('dispatchEvent', createDummySelector);
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await page.setContent(`<div onclick="window._clicked=true">Hello</div>`);
await page.dispatchEvent('dispatchEvent=div', 'click');
expect(await page.evaluate(() => window['_clicked'])).toBe(true);
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});
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it('should dispatch drag drop events', async ({page, server}) => {
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await page.goto(server.PREFIX + '/drag-n-drop.html');
const dataTransfer = await page.evaluateHandle(() => new DataTransfer());
await page.dispatchEvent('#source', 'dragstart', { dataTransfer });
await page.dispatchEvent('#target', 'drop', { dataTransfer });
const source = await page.$('#source');
const target = await page.$('#target');
expect(await page.evaluate(({source, target}) => {
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return source.parentElement === target;
}, {source, target})).toBeTruthy();
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});
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it('should dispatch drag drop events', async ({page, server}) => {
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await page.goto(server.PREFIX + '/drag-n-drop.html');
const dataTransfer = await page.evaluateHandle(() => new DataTransfer());
const source = await page.$('#source');
await source.dispatchEvent('dragstart', { dataTransfer });
const target = await page.$('#target');
await target.dispatchEvent('drop', { dataTransfer });
expect(await page.evaluate(({source, target}) => {
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return source.parentElement === target;
}, {source, target})).toBeTruthy();
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});
it('should dispatch click event', async ({page, server}) => {
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await page.goto(server.PREFIX + '/input/button.html');
const button = await page.$('button');
await button.dispatchEvent('click');
expect(await page.evaluate(() => window['result'])).toBe('Clicked');
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});