mirror of
https://github.com/microsoft/playwright.git
synced 2025-06-26 21:40:17 +00:00
283 lines
11 KiB
TypeScript
283 lines
11 KiB
TypeScript
/**
|
|
* Copyright 2018 Google Inc. All rights reserved.
|
|
* Modifications 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 { test as it, expect, rafraf } from './pageTest';
|
|
import { verifyViewport } from '../config/utils';
|
|
import path from 'path';
|
|
import fs from 'fs';
|
|
|
|
it.describe('element screenshot', () => {
|
|
it.skip(({ browserName, headless }) => browserName === 'firefox' && !headless);
|
|
it.skip(({ isAndroid }) => isAndroid, 'Different dpr. Remove after using 1x scale for screenshots.');
|
|
|
|
it('should work', async ({ page, server }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
await page.evaluate(() => window.scrollBy(50, 100));
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-bounding-box.png');
|
|
});
|
|
|
|
it('should work when main world busts JSON.stringify', async ({ page, server }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
await page.evaluate(() => {
|
|
window.scrollBy(50, 100);
|
|
JSON.stringify = () => undefined;
|
|
});
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-bounding-box.png');
|
|
});
|
|
|
|
it('should take into account padding and border', async ({ page, isLinux, headless, browserName }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.setContent(`
|
|
<div style="height: 14px">oooo</div>
|
|
<style>div {
|
|
border: 2px solid blue;
|
|
background: green;
|
|
width: 50px;
|
|
height: 50px;
|
|
}
|
|
</style>
|
|
<div id="d"></div>
|
|
`);
|
|
const elementHandle = await page.$('div#d');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-padding-border.png');
|
|
});
|
|
|
|
it('should capture full element when larger than viewport in parallel', async ({ page, browserName }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
|
|
await page.setContent(`
|
|
<div style="height: 14px">oooo</div>
|
|
<style>
|
|
div.to-screenshot {
|
|
border: 1px solid blue;
|
|
width: 600px;
|
|
height: 600px;
|
|
margin-left: 50px;
|
|
}
|
|
::-webkit-scrollbar{
|
|
display: none;
|
|
}
|
|
</style>
|
|
<div class="to-screenshot"></div>
|
|
<div class="to-screenshot"></div>
|
|
<div class="to-screenshot"></div>
|
|
`);
|
|
const elementHandles = await page.$$('div.to-screenshot');
|
|
const promises = elementHandles.map(handle => handle.screenshot());
|
|
const screenshots = await Promise.all(promises);
|
|
expect(screenshots[2]).toMatchSnapshot('screenshot-element-larger-than-viewport.png');
|
|
|
|
await verifyViewport(page, 500, 500);
|
|
});
|
|
|
|
it('should capture full element when larger than viewport', async ({ page }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
|
|
await page.setContent(`
|
|
<div style="height: 14px">oooo</div>
|
|
<style>
|
|
div.to-screenshot {
|
|
border: 1px solid blue;
|
|
width: 600px;
|
|
height: 600px;
|
|
margin-left: 50px;
|
|
}
|
|
::-webkit-scrollbar{
|
|
display: none;
|
|
}
|
|
</style>
|
|
<div class="to-screenshot"></div>
|
|
<div class="to-screenshot"></div>
|
|
<div class="to-screenshot"></div>
|
|
`);
|
|
const elementHandle = await page.$('div.to-screenshot');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-larger-than-viewport.png');
|
|
|
|
await verifyViewport(page, 500, 500);
|
|
});
|
|
|
|
it('should scroll element into view', async ({ page }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.setContent(`
|
|
<div style="height: 14px">oooo</div>
|
|
<style>div.above {
|
|
border: 2px solid blue;
|
|
background: red;
|
|
height: 1500px;
|
|
}
|
|
div.to-screenshot {
|
|
border: 2px solid blue;
|
|
background: green;
|
|
width: 50px;
|
|
height: 50px;
|
|
}
|
|
</style>
|
|
<div class="above"></div>
|
|
<div class="to-screenshot"></div>
|
|
`);
|
|
const elementHandle = await page.$('div.to-screenshot');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-scrolled-into-view.png');
|
|
});
|
|
|
|
it('should scroll 15000px into view', async ({ page }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.setContent(`
|
|
<div style="height: 14px">oooo</div>
|
|
<style>div.above {
|
|
border: 2px solid blue;
|
|
background: red;
|
|
height: 15000px;
|
|
}
|
|
div.to-screenshot {
|
|
border: 2px solid blue;
|
|
background: green;
|
|
width: 50px;
|
|
height: 50px;
|
|
}
|
|
</style>
|
|
<div class="above"></div>
|
|
<div class="to-screenshot"></div>
|
|
`);
|
|
const elementHandle = await page.$('div.to-screenshot');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-scrolled-into-view.png');
|
|
});
|
|
|
|
it('should work with a rotated element', async ({ page }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.setContent(`<div style="position:absolute;
|
|
top: 100px;
|
|
left: 100px;
|
|
width: 100px;
|
|
height: 100px;
|
|
background: green;
|
|
transform: rotateZ(200deg);"> </div>`);
|
|
const elementHandle = await page.$('div');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-rotate.png');
|
|
});
|
|
|
|
it('should fail to screenshot a detached element', async ({ page, server }) => {
|
|
await page.setContent('<h1>remove this</h1>');
|
|
const elementHandle = await page.$('h1');
|
|
await page.evaluate(element => element.remove(), elementHandle);
|
|
const screenshotError = await elementHandle.screenshot().catch(error => error);
|
|
expect(screenshotError.message).toContain('Element is not attached to the DOM');
|
|
});
|
|
|
|
it('should timeout waiting for visible', async ({ page, server }) => {
|
|
await page.setContent('<div style="width: 50px; height: 0"></div>');
|
|
const div = await page.$('div');
|
|
const error = await div.screenshot({ timeout: 3000 }).catch(e => e);
|
|
expect(error.message).toContain('elementHandle.screenshot: Timeout 3000ms exceeded');
|
|
expect(error.message).toContain('element is not visible');
|
|
});
|
|
|
|
it('should wait for visible', async ({ page, server }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
await page.evaluate(() => window.scrollBy(50, 100));
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
await elementHandle.evaluate(e => e.style.visibility = 'hidden');
|
|
let done = false;
|
|
const promise = elementHandle.screenshot().then(buffer => {
|
|
done = true;
|
|
return buffer;
|
|
});
|
|
await rafraf(page, 10);
|
|
expect(done).toBe(false);
|
|
await elementHandle.evaluate(e => e.style.visibility = 'visible');
|
|
const screenshot = await promise;
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-bounding-box.png');
|
|
});
|
|
|
|
it('should work for an element with fractional dimensions', async ({ page }) => {
|
|
await page.setContent('<div style="width:48.51px;height:19.8px;border:1px solid black;"></div>');
|
|
const elementHandle = await page.$('div');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-fractional.png');
|
|
});
|
|
|
|
it('should work for an element with an offset', async ({ page }) => {
|
|
await page.setContent('<div style="position:absolute; top: 10.3px; left: 20.4px;width:50.3px;height:20.2px;border:1px solid black;"></div>');
|
|
const elementHandle = await page.$('div');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-fractional-offset.png');
|
|
});
|
|
|
|
it('should wait for element to stop moving', async ({ page, server }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
await elementHandle.evaluate(e => e.classList.add('animation'));
|
|
await rafraf(page);
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toMatchSnapshot('screenshot-element-bounding-box.png');
|
|
});
|
|
|
|
it('should take screenshot of disabled button', async ({ page }) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.setContent(`<button disabled>Click me</button>`);
|
|
const button = await page.$('button');
|
|
const screenshot = await button.screenshot();
|
|
expect(screenshot).toBeInstanceOf(Buffer);
|
|
});
|
|
|
|
it('path option should create subdirectories', async ({ page, server }, testInfo) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
await page.evaluate(() => window.scrollBy(50, 100));
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
const outputPath = testInfo.outputPath(path.join('these', 'are', 'directories', 'screenshot.png'));
|
|
await elementHandle.screenshot({ path: outputPath });
|
|
expect(await fs.promises.readFile(outputPath)).toMatchSnapshot('screenshot-element-bounding-box.png');
|
|
});
|
|
|
|
it('should prefer type over extension', async ({ page, server }, testInfo) => {
|
|
await page.setViewportSize({ width: 500, height: 500 });
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
await page.evaluate(() => window.scrollBy(50, 100));
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
const outputPath = testInfo.outputPath('file.png');
|
|
const buffer = await elementHandle.screenshot({ path: outputPath, type: 'jpeg' });
|
|
expect([buffer[0], buffer[1], buffer[2]]).toEqual([0xFF, 0xD8, 0xFF]);
|
|
});
|
|
|
|
it('should not issue resize event', async ({ page, server }) => {
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
let resizeTriggered = false;
|
|
await page.exposeFunction('resize', () => {
|
|
resizeTriggered = true;
|
|
});
|
|
await page.evaluate(() => {
|
|
window.addEventListener('resize', () => (window as any).resize());
|
|
});
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
await elementHandle.screenshot();
|
|
expect(resizeTriggered).toBeFalsy();
|
|
});
|
|
});
|