mirror of
https://github.com/microsoft/playwright.git
synced 2024-12-14 21:53:35 +03:00
99993e173b
When browser receives multiple header values for the same header name, we present them as LF-separated value. This is not considered valid in Node, so we should split by LF when serving a snapshot. There more invalid characters in headers, so just in case we try/catch it.
319 lines
14 KiB
TypeScript
319 lines
14 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, expect } from './config/browserTest';
|
|
import { InMemorySnapshotter } from '../lib/server/snapshot/inMemorySnapshotter';
|
|
import { HttpServer } from '../lib/utils/httpServer';
|
|
import { SnapshotServer } from '../lib/server/snapshot/snapshotServer';
|
|
import type { Frame } from '..';
|
|
|
|
const it = contextTest.extend<{ snapshotPort: number, snapshotter: InMemorySnapshotter, showSnapshot: (snapshot: any) => Promise<Frame> }>({
|
|
snapshotPort: async ({}, run, testInfo) => {
|
|
await run(11000 + testInfo.workerIndex);
|
|
},
|
|
|
|
snapshotter: async ({ mode, toImpl, context, snapshotPort }, run, testInfo) => {
|
|
testInfo.skip(mode !== 'default');
|
|
const snapshotter = new InMemorySnapshotter(toImpl(context));
|
|
await snapshotter.initialize();
|
|
const httpServer = new HttpServer();
|
|
new SnapshotServer(httpServer, snapshotter);
|
|
await httpServer.start(snapshotPort);
|
|
await run(snapshotter);
|
|
await snapshotter.dispose();
|
|
await httpServer.stop();
|
|
},
|
|
|
|
showSnapshot: async ({ contextFactory, snapshotPort }, use) => {
|
|
await use(async (snapshot: any) => {
|
|
const previewContext = await contextFactory();
|
|
const previewPage = await previewContext.newPage();
|
|
previewPage.on('console', console.log);
|
|
await previewPage.goto(`http://localhost:${snapshotPort}/snapshot/`);
|
|
const frameSnapshot = snapshot.snapshot();
|
|
await previewPage.evaluate(snapshotId => {
|
|
(window as any).showSnapshot(snapshotId);
|
|
}, `${frameSnapshot.pageId}?name=${frameSnapshot.snapshotName}`);
|
|
// wait for the render frame to load
|
|
while (previewPage.frames().length < 2)
|
|
await new Promise(f => previewPage.once('frameattached', f));
|
|
const frame = previewPage.frames()[1];
|
|
await frame.waitForLoadState();
|
|
return frame;
|
|
});
|
|
},
|
|
});
|
|
|
|
it.describe('snapshots', () => {
|
|
it('should collect snapshot', async ({ page, toImpl, snapshotter }) => {
|
|
await page.setContent('<button>Hello</button>');
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot');
|
|
expect(distillSnapshot(snapshot)).toBe('<BUTTON>Hello</BUTTON>');
|
|
});
|
|
|
|
it('should preserve BASE and other content on reset', async ({ page, toImpl, snapshotter, server }) => {
|
|
await page.goto(server.EMPTY_PAGE);
|
|
const snapshot1 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
const html1 = snapshot1.render().html;
|
|
expect(html1).toContain(`<BASE href="${server.EMPTY_PAGE}"`);
|
|
await snapshotter.reset();
|
|
const snapshot2 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot2');
|
|
const html2 = snapshot2.render().html;
|
|
expect(html2.replace(`"snapshot2"`, `"snapshot1"`)).toEqual(html1);
|
|
});
|
|
|
|
it('should capture resources', async ({ page, toImpl, server, snapshotter }) => {
|
|
await page.goto(server.EMPTY_PAGE);
|
|
await page.route('**/style.css', route => {
|
|
route.fulfill({ body: 'button { color: red; }', }).catch(() => {});
|
|
});
|
|
await page.setContent('<link rel="stylesheet" href="style.css"><button>Hello</button>');
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot');
|
|
const resource = snapshot.resourceByUrl(`http://localhost:${server.PORT}/style.css`);
|
|
expect(resource).toBeTruthy();
|
|
});
|
|
|
|
it('should collect multiple', async ({ page, toImpl, snapshotter }) => {
|
|
await page.setContent('<button>Hello</button>');
|
|
const snapshots = [];
|
|
snapshotter.on('snapshot', snapshot => snapshots.push(snapshot));
|
|
await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
await snapshotter.captureSnapshot(toImpl(page), 'snapshot2');
|
|
expect(snapshots.length).toBe(2);
|
|
});
|
|
|
|
it('should respect inline CSSOM change', async ({ page, toImpl, snapshotter }) => {
|
|
await page.setContent('<style>button { color: red; }</style><button>Hello</button>');
|
|
const snapshot1 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
expect(distillSnapshot(snapshot1)).toBe('<style>button { color: red; }</style><BUTTON>Hello</BUTTON>');
|
|
|
|
await page.evaluate(() => { (document.styleSheets[0].cssRules[0] as any).style.color = 'blue'; });
|
|
const snapshot2 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot2');
|
|
expect(distillSnapshot(snapshot2)).toBe('<style>button { color: blue; }</style><BUTTON>Hello</BUTTON>');
|
|
});
|
|
|
|
it('should respect node removal', async ({ page, toImpl, snapshotter }) => {
|
|
page.on('console', console.log);
|
|
await page.setContent('<div><button id="button1"></button><button id="button2"></button></div>');
|
|
const snapshot1 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
expect(distillSnapshot(snapshot1)).toBe('<DIV><BUTTON id=\"button1\"></BUTTON><BUTTON id=\"button2\"></BUTTON></DIV>');
|
|
await page.evaluate(() => document.getElementById('button2').remove());
|
|
const snapshot2 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot2');
|
|
expect(distillSnapshot(snapshot2)).toBe('<DIV><BUTTON id=\"button1\"></BUTTON></DIV>');
|
|
});
|
|
|
|
it('should respect attr removal', async ({ page, toImpl, snapshotter }) => {
|
|
page.on('console', console.log);
|
|
await page.setContent('<div id="div" attr1="1" attr2="2"></div>');
|
|
const snapshot1 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
expect(distillSnapshot(snapshot1)).toBe('<DIV id=\"div\" attr1=\"1\" attr2=\"2\"></DIV>');
|
|
await page.evaluate(() => document.getElementById('div').removeAttribute('attr2'));
|
|
const snapshot2 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot2');
|
|
expect(distillSnapshot(snapshot2)).toBe('<DIV id=\"div\" attr1=\"1\"></DIV>');
|
|
});
|
|
|
|
it('should have a custom doctype', async ({page, server, toImpl, snapshotter}) => {
|
|
await page.goto(server.EMPTY_PAGE);
|
|
await page.setContent('<!DOCTYPE foo><body>hi</body>');
|
|
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot');
|
|
expect(distillSnapshot(snapshot)).toBe('<!DOCTYPE foo>hi');
|
|
});
|
|
|
|
it('should respect subresource CSSOM change', async ({ page, server, toImpl, snapshotter }) => {
|
|
await page.goto(server.EMPTY_PAGE);
|
|
await page.route('**/style.css', route => {
|
|
route.fulfill({ body: 'button { color: red; }', }).catch(() => {});
|
|
});
|
|
await page.setContent('<link rel="stylesheet" href="style.css"><button>Hello</button>');
|
|
|
|
const snapshot1 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
expect(distillSnapshot(snapshot1)).toBe('<LINK rel=\"stylesheet\" href=\"style.css\"><BUTTON>Hello</BUTTON>');
|
|
|
|
await page.evaluate(() => { (document.styleSheets[0].cssRules[0] as any).style.color = 'blue'; });
|
|
const snapshot2 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
const resource = snapshot2.resourceByUrl(`http://localhost:${server.PORT}/style.css`);
|
|
expect(snapshotter.resourceContent(resource.responseSha1).toString()).toBe('button { color: blue; }');
|
|
});
|
|
|
|
it('should capture iframe', async ({ page, server, toImpl, browserName, snapshotter, showSnapshot }) => {
|
|
it.skip(browserName === 'firefox');
|
|
|
|
await page.route('**/empty.html', route => {
|
|
route.fulfill({
|
|
body: '<iframe src="iframe.html"></iframe>',
|
|
contentType: 'text/html'
|
|
}).catch(() => {});
|
|
});
|
|
await page.route('**/iframe.html', route => {
|
|
route.fulfill({
|
|
body: '<html><button>Hello iframe</button></html>',
|
|
contentType: 'text/html'
|
|
}).catch(() => {});
|
|
});
|
|
await page.goto(server.EMPTY_PAGE);
|
|
|
|
// Marking iframe hierarchy is racy, do not expect snapshot, wait for it.
|
|
let counter = 0;
|
|
let snapshot: any;
|
|
for (; ; ++counter) {
|
|
snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot' + counter);
|
|
const text = distillSnapshot(snapshot).replace(/frame@[^"]+["]/, '<id>"');
|
|
if (text === '<IFRAME src=\"/snapshot/<id>\"></IFRAME>')
|
|
break;
|
|
await page.waitForTimeout(250);
|
|
}
|
|
|
|
// Render snapshot, check expectations.
|
|
const frame = await showSnapshot(snapshot);
|
|
while (frame.childFrames().length < 1)
|
|
await new Promise(f => frame.page().once('frameattached', f));
|
|
const button = await frame.childFrames()[0].waitForSelector('button');
|
|
expect(await button.textContent()).toBe('Hello iframe');
|
|
});
|
|
|
|
it('should capture snapshot target', async ({ page, toImpl, snapshotter }) => {
|
|
await page.setContent('<button>Hello</button><button>World</button>');
|
|
{
|
|
const handle = await page.$('text=Hello');
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot', toImpl(handle));
|
|
expect(distillSnapshot(snapshot)).toBe('<BUTTON __playwright_target__=\"snapshot\">Hello</BUTTON><BUTTON>World</BUTTON>');
|
|
}
|
|
{
|
|
const handle = await page.$('text=World');
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot2', toImpl(handle));
|
|
expect(distillSnapshot(snapshot)).toBe('<BUTTON __playwright_target__=\"snapshot\">Hello</BUTTON><BUTTON __playwright_target__=\"snapshot2\">World</BUTTON>');
|
|
}
|
|
});
|
|
|
|
it('should collect on attribute change', async ({ page, toImpl, snapshotter }) => {
|
|
await page.setContent('<button>Hello</button>');
|
|
{
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot');
|
|
expect(distillSnapshot(snapshot)).toBe('<BUTTON>Hello</BUTTON>');
|
|
}
|
|
const handle = await page.$('text=Hello')!;
|
|
await handle.evaluate(element => element.setAttribute('data', 'one'));
|
|
{
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot2');
|
|
expect(distillSnapshot(snapshot)).toBe('<BUTTON data="one">Hello</BUTTON>');
|
|
}
|
|
await handle.evaluate(element => element.setAttribute('data', 'two'));
|
|
{
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot2');
|
|
expect(distillSnapshot(snapshot)).toBe('<BUTTON data="two">Hello</BUTTON>');
|
|
}
|
|
});
|
|
|
|
it('should contain adopted style sheets', async ({ page, toImpl, showSnapshot, snapshotter, browserName }) => {
|
|
it.skip(browserName !== 'chromium', 'Constructed stylesheets are only in Chromium.');
|
|
await page.setContent('<button>Hello</button>');
|
|
await page.evaluate(() => {
|
|
const sheet = new CSSStyleSheet();
|
|
sheet.addRule('button', 'color: red');
|
|
(document as any).adoptedStyleSheets = [sheet];
|
|
|
|
const div = document.createElement('div');
|
|
const root = div.attachShadow({
|
|
mode: 'open'
|
|
});
|
|
root.append('foo');
|
|
const sheet2 = new CSSStyleSheet();
|
|
sheet2.addRule(':host', 'color: blue');
|
|
(root as any).adoptedStyleSheets = [sheet2];
|
|
document.body.appendChild(div);
|
|
});
|
|
const snapshot1 = await snapshotter.captureSnapshot(toImpl(page), 'snapshot1');
|
|
|
|
const frame = await showSnapshot(snapshot1);
|
|
await frame.waitForSelector('button');
|
|
const buttonColor = await frame.$eval('button', button => {
|
|
return window.getComputedStyle(button).color;
|
|
});
|
|
expect(buttonColor).toBe('rgb(255, 0, 0)');
|
|
const divColor = await frame.$eval('div', div => {
|
|
return window.getComputedStyle(div).color;
|
|
});
|
|
expect(divColor).toBe('rgb(0, 0, 255)');
|
|
});
|
|
|
|
it('should restore scroll positions', async ({ page, showSnapshot, toImpl, snapshotter, browserName }) => {
|
|
it.skip(browserName === 'firefox');
|
|
|
|
await page.setContent(`
|
|
<style>
|
|
li { height: 20px; margin: 0; padding: 0; }
|
|
div { height: 60px; overflow-x: hidden; overflow-y: scroll; background: green; padding: 0; margin: 0; }
|
|
</style>
|
|
<div>
|
|
<ul>
|
|
<li>Item 1</li>
|
|
<li>Item 2</li>
|
|
<li>Item 3</li>
|
|
<li>Item 4</li>
|
|
<li>Item 5</li>
|
|
<li>Item 6</li>
|
|
<li>Item 7</li>
|
|
<li>Item 8</li>
|
|
<li>Item 9</li>
|
|
<li>Item 10</li>
|
|
</ul>
|
|
</div>
|
|
`);
|
|
|
|
await (await page.$('text=Item 8')).scrollIntoViewIfNeeded();
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'scrolled');
|
|
|
|
// Render snapshot, check expectations.
|
|
const frame = await showSnapshot(snapshot);
|
|
const div = await frame.waitForSelector('div');
|
|
expect(await div.evaluate(div => div.scrollTop)).toBe(136);
|
|
});
|
|
|
|
it('should handle multiple headers', async ({ page, server, showSnapshot, toImpl, snapshotter, browserName }) => {
|
|
it.skip(browserName === 'firefox');
|
|
|
|
server.setRoute('/foo.css', (req, res) => {
|
|
res.statusCode = 200;
|
|
res.setHeader('vary', ['accepts-encoding', 'accepts-encoding']);
|
|
res.end('body { padding: 42px }');
|
|
});
|
|
|
|
await page.goto(server.EMPTY_PAGE);
|
|
await page.setContent(`<head><link rel=stylesheet href="/foo.css"></head><body><div>Hello</div></body>`);
|
|
const snapshot = await snapshotter.captureSnapshot(toImpl(page), 'snapshot');
|
|
const frame = await showSnapshot(snapshot);
|
|
await frame.waitForSelector('div');
|
|
const padding = await frame.$eval('body', body => window.getComputedStyle(body).paddingLeft);
|
|
expect(padding).toBe('42px');
|
|
});
|
|
});
|
|
|
|
function distillSnapshot(snapshot) {
|
|
const { html } = snapshot.render();
|
|
return html
|
|
.replace(/<script>[.\s\S]+<\/script>/, '')
|
|
.replace(/<style>.*__playwright_target__.*<\/style>/, '')
|
|
.replace(/<BASE href="about:blank">/, '')
|
|
.replace(/<BASE href="http:\/\/localhost:[\d]+\/empty.html">/, '')
|
|
.replace(/<HTML>/, '')
|
|
.replace(/<\/HTML>/, '')
|
|
.replace(/<HEAD>/, '')
|
|
.replace(/<\/HEAD>/, '')
|
|
.replace(/<BODY>/, '')
|
|
.replace(/<\/BODY>/, '').trim();
|
|
}
|