mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
242 lines
9.6 KiB
JavaScript
242 lines
9.6 KiB
JavaScript
/**
|
|
* Copyright 2018 Google Inc. 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.
|
|
*/
|
|
|
|
module.exports.addTests = function({testRunner, expect, product}) {
|
|
const {describe, xdescribe, fdescribe} = testRunner;
|
|
const {it, fit, xit, it_fails_ffox} = testRunner;
|
|
const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
|
|
|
|
describe('Page.screenshot', function() {
|
|
it('should work', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-sanity.png');
|
|
});
|
|
it('should clip rect', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot({
|
|
clip: {
|
|
x: 50,
|
|
y: 100,
|
|
width: 150,
|
|
height: 100
|
|
}
|
|
});
|
|
expect(screenshot).toBeGolden('screenshot-clip-rect.png');
|
|
});
|
|
it_fails_ffox('should clip elements to the viewport', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot({
|
|
clip: {
|
|
x: 50,
|
|
y: 600,
|
|
width: 100,
|
|
height: 100
|
|
}
|
|
});
|
|
expect(screenshot).toBeGolden('screenshot-offscreen-clip.png');
|
|
});
|
|
it('should run in parallel', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
const promises = [];
|
|
for (let i = 0; i < 3; ++i) {
|
|
promises.push(page.screenshot({
|
|
clip: {
|
|
x: 50 * i,
|
|
y: 0,
|
|
width: 50,
|
|
height: 50
|
|
}
|
|
}));
|
|
}
|
|
const screenshots = await Promise.all(promises);
|
|
expect(screenshots[1]).toBeGolden('grid-cell-1.png');
|
|
});
|
|
it('should take fullPage screenshots', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot({
|
|
fullPage: true
|
|
});
|
|
expect(screenshot).toBeGolden('screenshot-grid-fullpage.png');
|
|
});
|
|
it('should run in parallel in multiple pages', async({page, server, context}) => {
|
|
const N = 2;
|
|
const pages = await Promise.all(Array(N).fill(0).map(async() => {
|
|
const page = await context.newPage();
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
return page;
|
|
}));
|
|
const promises = [];
|
|
for (let i = 0; i < N; ++i)
|
|
promises.push(pages[i].screenshot({ clip: { x: 50 * i, y: 0, width: 50, height: 50 } }));
|
|
const screenshots = await Promise.all(promises);
|
|
for (let i = 0; i < N; ++i)
|
|
expect(screenshots[i]).toBeGolden(`grid-cell-${i}.png`);
|
|
await Promise.all(pages.map(page => page.close()));
|
|
});
|
|
it_fails_ffox('should allow transparency', async({page, server}) => {
|
|
await page.setViewport({ width: 100, height: 100 });
|
|
await page.goto(server.EMPTY_PAGE);
|
|
const screenshot = await page.screenshot({omitBackground: true});
|
|
expect(screenshot).toBeGolden('transparent.png');
|
|
});
|
|
it_fails_ffox('should render white background on jpeg file', async({page, server}) => {
|
|
await page.setViewport({ width: 100, height: 100 });
|
|
await page.goto(server.EMPTY_PAGE);
|
|
const screenshot = await page.screenshot({omitBackground: true, type: 'jpeg'});
|
|
expect(screenshot).toBeGolden('white.jpg');
|
|
});
|
|
it('should work with odd clip size on Retina displays', async({page, server}) => {
|
|
const screenshot = await page.screenshot({
|
|
clip: {
|
|
x: 0,
|
|
y: 0,
|
|
width: 11,
|
|
height: 11,
|
|
}
|
|
});
|
|
expect(screenshot).toBeGolden('screenshot-clip-odd-size.png');
|
|
});
|
|
it('should return base64', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
const screenshot = await page.screenshot({
|
|
encoding: 'base64'
|
|
});
|
|
expect(Buffer.from(screenshot, 'base64')).toBeGolden('screenshot-sanity.png');
|
|
});
|
|
});
|
|
|
|
describe('ElementHandle.screenshot', function() {
|
|
it('should work', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.goto(server.PREFIX + '/grid.html');
|
|
await page.evaluate(() => window.scrollBy(50, 100));
|
|
const elementHandle = await page.$('.box:nth-of-type(3)');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-element-bounding-box.png');
|
|
});
|
|
it('should take into account padding and border', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.setContent(`
|
|
something above
|
|
<style>div {
|
|
border: 2px solid blue;
|
|
background: green;
|
|
width: 50px;
|
|
height: 50px;
|
|
}
|
|
</style>
|
|
<div></div>
|
|
`);
|
|
const elementHandle = await page.$('div');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-element-padding-border.png');
|
|
});
|
|
it('should capture full element when larger than viewport', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
|
|
await page.setContent(`
|
|
something above
|
|
<style>
|
|
div.to-screenshot {
|
|
border: 1px solid blue;
|
|
width: 600px;
|
|
height: 600px;
|
|
margin-left: 50px;
|
|
}
|
|
::-webkit-scrollbar{
|
|
display: none;
|
|
}
|
|
</style>
|
|
<div class="to-screenshot"></div>
|
|
`);
|
|
const elementHandle = await page.$('div.to-screenshot');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-element-larger-than-viewport.png');
|
|
|
|
expect(await page.evaluate(() => ({ w: window.innerWidth, h: window.innerHeight }))).toEqual({ w: 500, h: 500 });
|
|
});
|
|
it('should scroll element into view', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.setContent(`
|
|
something above
|
|
<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.$('div.to-screenshot');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-element-scrolled-into-view.png');
|
|
});
|
|
it('should work with a rotated element', async({page, server}) => {
|
|
await page.setViewport({width: 500, height: 500});
|
|
await page.setContent(`<div style="position:absolute;
|
|
top: 100px;
|
|
left: 100px;
|
|
width: 100px;
|
|
height: 100px;
|
|
background: green;
|
|
transform: rotateZ(200deg);"> </div>`);
|
|
const elementHandle = await page.$('div');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toBeGolden('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.$('h1');
|
|
await page.evaluate(element => element.remove(), elementHandle);
|
|
const screenshotError = await elementHandle.screenshot().catch(error => error);
|
|
expect(screenshotError.message).toBe('Node is either not visible or not an HTMLElement');
|
|
});
|
|
it('should not hang with zero width/height element', async({page, server}) => {
|
|
await page.setContent('<div style="width: 50px; height: 0"></div>');
|
|
const div = await page.$('div');
|
|
const error = await div.screenshot().catch(e => e);
|
|
expect(error.message).toBe('Node has 0 height.');
|
|
});
|
|
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.$('div');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-element-fractional.png');
|
|
});
|
|
it('should work for an element with an offset', async({page}) => {
|
|
await page.setContent('<div style="position:absolute; top: 10.3px; left: 20.4px;width:50.3px;height:20.2px;border:1px solid black;"></div>');
|
|
const elementHandle = await page.$('div');
|
|
const screenshot = await elementHandle.screenshot();
|
|
expect(screenshot).toBeGolden('screenshot-element-fractional-offset.png');
|
|
});
|
|
});
|
|
|
|
};
|