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add Chrome/Firefox interop tests (webrtc#1576)
* add interop tests adds interoperability tests between Chrome unstable and Firefox Nightly. These tests are designed to run nightly as github actions. They do not rely on a signaling server, instead use the mocha-based test that is controlling the individual selenium webdriver instances to act as a signaling channel which exchanges offers and answers with candidates. This pattern is described in the testbed repository https://github.com/fippo/testbed from 2016, this is a "more modern" take on the same subject. To run the tests locally, * npm install --no-save chromedriver geckodriver * npm run mocha test/interop/connection
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| on: | ||
| schedule: | ||
| - cron: "30 5 * * *" | ||
| push: | ||
| jobs: | ||
| interop: | ||
| runs-on: ubuntu-latest | ||
| timeout-minutes: 5 | ||
| strategy: | ||
| fail-fast: false | ||
| matrix: | ||
| browserA: [chrome, firefox] | ||
| browserB: [firefox, chrome] | ||
| bver: ['unstable'] | ||
| steps: | ||
| - uses: actions/checkout@v2 | ||
| - uses: actions/setup-node@v3 | ||
| - run: npm install | ||
| - run: BROWSER=${{matrix.browserA}} BVER=${{matrix.bver}} ./node_modules/travis-multirunner/setup.sh | ||
| - run: BROWSER=${{matrix.browserB}} BVER=${{matrix.bver}} ./node_modules/travis-multirunner/setup.sh | ||
| - run: Xvfb :99 & | ||
| - run: BROWSER_A=${{matrix.browserA}} BROWSER_B=${{matrix.browserB}} BVER=${{matrix.bver}} DISPLAY=:99.0 npm run mocha test/interop/connection.js |
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|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Copyright (c) 2022 The WebRTC project authors. All Rights Reserved. | ||
| * | ||
| * Use of this source code is governed by a BSD-style license | ||
| * that can be found in the LICENSE file in the root of the source | ||
| * tree. | ||
| */ | ||
| const {buildDriver} = require('../webdriver'); | ||
| const {PeerConnection, MediaDevices} = require('../webrtcclient'); | ||
| const steps = require('../steps'); | ||
|
|
||
| const browserA = process.env.BROWSER_A || 'chrome'; | ||
| const browserB = process.env.BROWSER_B || 'chrome'; | ||
|
|
||
| describe(`basic interop test ${browserA} => ${browserB}`, function() { | ||
| this.retries(3); // retry up to three times. | ||
| let drivers; | ||
| let clients; | ||
| before(async () => { | ||
| const options = { | ||
| version: process.env.BVER || 'stable', | ||
| browserLogging: true, | ||
| } | ||
| drivers = [ | ||
| buildDriver(browserA, options), | ||
| buildDriver(browserB, options), | ||
| ]; | ||
| clients = drivers.map(driver => { | ||
| return { | ||
| connection: new PeerConnection(driver), | ||
| mediaDevices: new MediaDevices(driver), | ||
| }; | ||
| }); | ||
| }); | ||
| after(async () => { | ||
| await drivers.map(driver => driver.close()); | ||
| }); | ||
|
|
||
| it('establishes a connection', async () => { | ||
| await Promise.all(drivers); // timeouts in before(Each)? | ||
| await steps.step(drivers, (d) => d.get('https://webrtc.github.io/samples/emptypage.html'), 'Empty page loaded'); | ||
| await steps.step(clients, (client) => client.connection.create(), 'Created RTCPeerConnection'); | ||
| await steps.step(clients, async (client) => { | ||
| const stream = await client.mediaDevices.getUserMedia({audio: true, video: true}); | ||
| return Promise.all(stream.getTracks().map(async track => { | ||
| return client.connection.addTrack(track, stream); | ||
| })); | ||
| }, 'Acquired and added audio/video stream'); | ||
| const offerWithCandidates = await clients[0].connection.setLocalDescription(); | ||
| await clients[1].connection.setRemoteDescription(offerWithCandidates); | ||
| const answerWithCandidates = await clients[1].connection.setLocalDescription(); | ||
| await clients[0].connection.setRemoteDescription(answerWithCandidates); | ||
|
|
||
| await steps.step(drivers, (d) => steps.waitNVideosExist(d, 1), 'Video elements exist'); | ||
| await steps.step(drivers, steps.waitAllVideosHaveEnoughData, 'Video elements have enough data'); | ||
| }).timeout(30000); | ||
| }).timeout(90000);; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * Copyright (c) 2022 The WebRTC project authors. All Rights Reserved. | ||
| * | ||
| * Use of this source code is governed by a BSD-style license | ||
| * that can be found in the LICENSE file in the root of the source | ||
| * tree. | ||
| */ | ||
| const TIMEOUT = 10000; | ||
|
|
||
| function step(drivers, cb, logMessage) { | ||
| return Promise.all(drivers.map(driver => { | ||
| return cb(driver); | ||
| })).then(() => { | ||
| if (logMessage) { | ||
| console.log(logMessage); | ||
| } | ||
| }); | ||
| } | ||
| function waitNVideosExist(driver, n) { | ||
| return driver.wait(() => { | ||
| return driver.executeScript(n => document.querySelectorAll('video').length === n, n); | ||
| }, TIMEOUT); | ||
| } | ||
|
|
||
| function waitAllVideosHaveEnoughData(driver) { | ||
| return driver.wait(() => { | ||
| return driver.executeScript(() => { | ||
| const videos = document.querySelectorAll('video'); | ||
| let ready = 0; | ||
| for (let i = 0; i < videos.length; i++) { | ||
| if (videos[i].readyState >= videos[i].HAVE_ENOUGH_DATA) { | ||
| ready++; | ||
| } | ||
| } | ||
| return ready === videos.length; | ||
| }); | ||
| }, TIMEOUT); | ||
| } | ||
|
|
||
| module.exports = { | ||
| step, | ||
| waitNVideosExist, | ||
| waitAllVideosHaveEnoughData, | ||
| }; |
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