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feat(screencast): add private recording APIs and basic test (#3296)
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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. | ||
*/ | ||
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const fs = require('fs'); | ||
const os = require('os'); | ||
const path = require('path'); | ||
const url = require('url'); | ||
const {mkdtempAsync, removeFolderAsync} = require('./utils'); | ||
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const {FFOX, CHROMIUM, WEBKIT, MAC, LINUX, WIN, HEADLESS, USES_HOOKS} = testOptions; | ||
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registerFixture('persistentDirectory', async ({}, test) => { | ||
const persistentDirectory = await mkdtempAsync(path.join(os.tmpdir(), 'playwright-test-')); | ||
try { | ||
await test(persistentDirectory); | ||
} finally { | ||
await removeFolderAsync(persistentDirectory); | ||
} | ||
}); | ||
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registerFixture('firefox', async ({playwright}, test) => { | ||
if (WEBKIT && !LINUX) { | ||
const firefox = await playwright.firefox.launch(); | ||
try { | ||
await test(firefox); | ||
} finally { | ||
await firefox.close(); | ||
} | ||
} else { | ||
await test(null); | ||
} | ||
}); | ||
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it.fail(CHROMIUM)('should capture static page', async({page, persistentDirectory, firefox, toImpl}) => { | ||
if (!toImpl) | ||
return; | ||
const videoFile = path.join(persistentDirectory, 'v.webm'); | ||
await page.evaluate(() => document.body.style.backgroundColor = 'red'); | ||
await toImpl(page)._delegate.startVideoRecording({outputFile: videoFile, width: 640, height: 480}); | ||
// TODO: in WebKit figure out why video size is not reported correctly for | ||
// static pictures. | ||
if (HEADLESS && WEBKIT) | ||
await page.setViewportSize({width: 1270, height: 950}); | ||
await new Promise(r => setTimeout(r, 300)); | ||
await toImpl(page)._delegate.stopVideoRecording(); | ||
expect(fs.existsSync(videoFile)).toBe(true); | ||
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if (WEBKIT && !LINUX) { | ||
// WebKit on Mac & Windows cannot replay webm/vp8 video, so we launch Firefox. | ||
const context = await firefox.newContext(); | ||
page = await context.newPage(); | ||
} | ||
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await page.goto(url.pathToFileURL(videoFile).href); | ||
await page.$eval('video', v => { | ||
return new Promise(fulfil => { | ||
// In case video playback autostarts. | ||
v.pause(); | ||
v.onplaying = fulfil; | ||
v.play(); | ||
}); | ||
}); | ||
await page.$eval('video', v => { | ||
v.pause(); | ||
const result = new Promise(f => v.onseeked = f); | ||
v.currentTime = v.duration - 0.01; | ||
return result; | ||
}); | ||
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const duration = await page.$eval('video', v => v.duration); | ||
expect(duration).toBeGreaterThan(0); | ||
const videoWidth = await page.$eval('video', v => v.videoWidth); | ||
expect(videoWidth).toBe(640); | ||
const videoHeight = await page.$eval('video', v => v.videoHeight); | ||
expect(videoHeight).toBe(480); | ||
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const pixels = await page.$eval('video', video => { | ||
let canvas = document.createElement("canvas"); | ||
canvas.width = video.videoWidth; | ||
canvas.height = video.videoHeight; | ||
const context = canvas.getContext('2d'); | ||
context.drawImage(video, 0, 0); | ||
const imgd = context.getImageData(0, 0, 10, 10); | ||
return Array.from(imgd.data); | ||
}); | ||
const expectAlmostRed = (i) => { | ||
const r = pixels[i]; | ||
const g = pixels[i + 1]; | ||
const b = pixels[i + 2]; | ||
const alpha = pixels[i + 3]; | ||
expect(r).toBeGreaterThan(240); | ||
expect(g).toBeLessThan(50); | ||
expect(b).toBeLessThan(50); | ||
expect(alpha).toBe(255); | ||
} | ||
try { | ||
for (var i = 0, n = pixels.length; i < n; i += 4) | ||
expectAlmostRed(i); | ||
} catch(e) { | ||
// Log pixel values on failure. | ||
console.log(pixels); | ||
throw e; | ||
} | ||
}); |