Merge pull request #6 from flowplayer/feat/PLAY-473/tests

feat(PLAY-473): setup puppeteer

flowplayer.d.ts

@@ -1,4 +1,4 @@
-import { FlowplayerUMD} from "@flowplayer/player"
+import type { FlowplayerUMD} from "@flowplayer/player"
 declare global {
   var flowplayer: FlowplayerUMD;
 }

package.json

@@ -5,7 +5,8 @@
   "scripts": {
     "new:component": "tsx tooling/code-gen/bin.ts",
     "cdn:manifest": "tsx tooling/cdn/bin.ts",
-    "build": "webpack"
+    "build": "webpack",
+    "test:puppeteer": "yarn ava --config test/puppeteer/_ava.config.mjs"
   },
   "devDependencies": {
     "@types/inquirer": "^9.0.7",
@@ -19,6 +20,13 @@
     "typescript": "latest",
     "webpack": "^5.91.0",
     "ts-loader": "^9.5.1",
+    "puppeteer": "^14.4.0",
+    "mkdirp": "^1.0.4",
+    "http-server": "^14.1.0",
+    "puppeteer-screen-recorder": "^2.0.2",
+    "ava": "^4.2.0",
+    "pug": "^3.0.3",
+    "dotenv": "^16.0.1",
     "style-loader": "^4.0.0",
     "css-loader": "^7.1.2",
     "webpack-cli": "^5.1.4"

packages/combined-menu-control/index.ts

@@ -34,4 +34,4 @@ export default class CombinedMenuControl extends HTMLElement{
   }
 }
 
-install("flowplayer-control", "combined-menu-controls", CombinedMenuControl)
+install("flowplayer-control", "combined-menu-control", CombinedMenuControl)

packages/combined-menu-control/package.json

@@ -3,7 +3,7 @@
   "main": "./index.ts",
   "description": "A control bar with a single combined menu for all settings",
   "flowplayer": {
-    "componentName": "combined-menu-controls",
+    "componentName": "combined-menu-control",
     "overridenComponent": "flowplayer-control",
     "className": "CombinedMenuControl"
   }

packages/live-ui/index.ts

@@ -148,4 +148,4 @@ export default class LiveUiMiddle extends HTMLElement{
   }
 }
 
-install("flowplayer-middle", "live-ui-middle", LiveUiMiddle)
+install("flowplayer-middle", "live-ui", LiveUiMiddle)

packages/live-ui/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@flowplayer/components-live-ui",
   "main": "./index.ts",
-  "description": "A screen rendered for live streams before playback starts, with two buttons: one for starting a stream from the beginning and another one  for going going live",
+  "description": "A screen rendered for live streams before playback starts, with two buttons: one for starting a stream from the beginning and another one for going live",
   "flowplayer": {
     "componentName": "live-ui",
     "overridenComponent": "flowplayer-middle",

shared/install.ts

@@ -14,7 +14,7 @@ export function install (flowplayerComponent : string, name : string, klass : Cu
     return void window.flowplayer.customElements.set(flowplayerComponent, name)
   }
 
-  window.addEventListener("flowplayer:umd" as any, (e : CustomEvent<typeof window.flowplayer>) => {
+  document.addEventListener("flowplayer:umd" as any, (e : CustomEvent<typeof window.flowplayer>) => {
     const flowplayer = e.detail
     flowplayer.customElements.set(flowplayerComponent, name)
   })

test/puppeteer/_ava.config.mjs

@@ -0,0 +1,6 @@
+export default {
+  files: ["./test/puppeteer/**/*.spec.mjs"],
+  require: ["./test/puppeteer/_setup/helpers.mjs"],
+  timeout: "5m",
+  concurrency: 3
+}

test/puppeteer/_setup/helpers.mjs

@@ -0,0 +1,202 @@
+import pug from "pug"
+import os, {tmpdir} from "os"
+import fs from "fs/promises"
+import path from "path"
+import puppeteer from "puppeteer"
+import HttpServer from "http-server"
+import "dotenv/config"
+import mkdirp from "mkdirp"
+import {PuppeteerScreenRecorder} from "puppeteer-screen-recorder"
+
+const debug = (...args) => process.env.DEBUG && console.log(...args)
+const _dirname = path.dirname(import.meta.url)
+const tmpDir = path.join(os.tmpdir(), "puppeteer-native", "html")
+
+export function compilePug(name) {
+    const fileName = path.join(_dirname, name + ".pug").slice(5)
+    return pug.compileFile(fileName, {})
+}
+
+const Templates = {local: compilePug("local")}
+
+export async function createServer(t) {
+    return new Promise((resolve) => {
+        const server = HttpServer.createServer({root: tmpDir})
+        server.listen(0, "localhost", () => {
+            Object.assign(t.context, {server, ...server.server.address()})
+            Object.assign(t.context, {address: "localhost"})
+            debug("server / up / %s:%s", t.context.address, t.context.port)
+            resolve()
+        })
+    })
+}
+
+export async function destroyServer(t) {
+    if (!t.context.server) return
+    t.context.server.close()
+    t.context.server = void 0
+}
+
+export async function loadComponent(componentName) {
+    const component = await fs.readFile(
+        path.join("dist", `${componentName}.js`)
+    )
+
+    return component.toString()
+}
+
+export async function writeTempFile(fileName, contents) {
+    const fullName = path.join(tmpDir, fileName)
+    debug("created: %s", fullName)
+    await fs.writeFile(fullName, contents)
+    return fullName
+}
+
+export function titleToFile(title, suffix = ".html") {
+    const fileName = title
+        .toLowerCase()
+        .replaceAll(/\s+/g, "-")
+        .replaceAll(/[/]/g, "-")
+        .replaceAll(/,/g, "-")
+        .replaceAll(/-{2,}/g, "-")
+        .replaceAll(/=/g, "-")
+        .replaceAll(/_/g, "-")
+    return fileName + suffix
+}
+
+export async function compileLocalTest(t, {config, componentNames}) {
+    const components = await Promise.all(componentNames.map((name) => loadComponent(name)))
+
+    const compiled = Templates.local({
+        Test: {
+            components,
+            config: config
+        }
+    })
+    const fileName = titleToFile(t.title)
+    const filePath = await writeTempFile(fileName, compiled)
+    return {fileName, filePath}
+}
+
+const {
+    PUPPETEER_PRODUCT: puppeteerProduct,
+    //Applications/Google Chrome.app/Contents/MacOS/Google Chrome
+    CHROME_PATH: chromePath = "/usr/bin/google-chrome",
+    FIREFOX_PATH: firefoxPath = "/usr/bin/firefox"
+} = process.env
+
+const headless = !!process.env.CI || !!process.env.PUPPETEER_HEADLESS
+
+const executablePath = puppeteerProduct === "firefox" ? firefoxPath : chromePath
+
+export async function makePuppeteerSession(t, args) {
+    args = args || []
+    if (process.env.CI) args.push("--no-sandbox")
+
+    const browser = await puppeteer.launch({
+        headless,
+        executablePath,
+        slowMo: !headless ? 50 : 200,
+        userDataDir: path.join(tmpdir(), `puppeteer-ci-${Date.now()}`),
+        args
+    })
+    const page = await browser.newPage({timeout: 120 * 1000})
+    const recorder = new PuppeteerScreenRecorder(page)
+    page.on("console", (msg) => {
+        if (!process.env.DEBUG) return
+        for (let i = 0; i < msg.args().length; ++i)
+            debug(`console / ${t.title} / ${i}: ${msg.args()[i]}`)
+    })
+    return {browser, page, recorder}
+}
+
+async function getPlayer(
+    t,
+    componentNames,
+    config,
+    token,
+    puppeteer,
+    recorder,
+    setup,
+    host,
+    page
+) {
+    const context = {host, page}
+    if (typeof setup == "function") {
+        await setup(context)
+    }
+    const recordingFile =
+        "/tmp/puppeteer-native/components/recordings/" + titleToFile(t.title, ".mp4")
+
+    if (!process.env.DEBUG) await recorder.start(recordingFile)
+    const {fileName, filePath} = await compileLocalTest(t, {
+        config: JSON.stringify(config).replaceAll(":host:", host),
+        componentNames,
+    })
+    const testDocument = `${context.host}/${fileName}` //host +  fileName
+    await page.goto(testDocument, puppeteer || {waitUntil: "networkidle2", timeout: 120 * 1000}
+    )
+    const player = await page.$(".fp-engine")
+    const components = await Promise.all(componentNames.map((name) => page.$(name)))
+    return {components, player, filePath, recordingFile}
+}
+
+export function withComponents({componentNames, config, token, files, puppeteer, args}, setup) {
+    return async function (t, run) {
+        await mkdirp(tmpDir)
+        await mkdirp("/tmp/puppeteer-native/components/recordings/")
+        if (!t.context.address) await createServer(t)
+        const host = `http://localhost:${t.context.port}`
+        if (files)
+            await Promise.all(
+                Object.entries(files).map(([fileName, contents]) =>
+                    writeTempFile(fileName, contents)
+                )
+            )
+
+        const {browser, page, recorder} = await makePuppeteerSession(t, args)
+
+        const {components, player, filePath, recordingFile} = await getPlayer(
+            t,
+            componentNames,
+            config,
+            token,
+            puppeteer,
+            recorder,
+            setup,
+            host,
+            page
+        )
+
+        //ensure we have player
+        t.assert(player)
+        //ensure the components are rendered
+        components.forEach((component, idx) => t.assert(component, componentNames[idx]))
+        try {
+            try {
+                await run(t, page, player, ...components)
+            } catch (err) {
+                // todo: open an issue with ava.js about this
+                t.fail(err.message)
+            }
+        } finally {
+            await destroyServer(t)
+            if (!process.env.DEBUG) await recorder.stop()
+            if (t.passed) {
+                const testFiles = Object.keys(files || {}).map((fileName) =>
+                    path.join(tmpDir, fileName)
+                )
+                const rm = async (f) => {
+                    if (process.env.KEEP) return
+                    if (process.env.DEBUG) debug("cleaning up file %s", f)
+                    if (await fs.stat(f)) {
+                        return await fs.rm(f)
+                    }
+                }
+                const removals = [rm(recordingFile), rm(filePath), ...testFiles.map(rm)]
+                await Promise.all(removals)
+            }
+            if (!process.env.KEEP) await browser.close()
+        }
+    }
+}

test/puppeteer/_setup/local.pug

@@ -0,0 +1,21 @@
+html(lang="en")
+    meta(charset="utf-8")
+    head
+        link(rel="stylesheet" href="https://cdn.flowplayer.com/releases/native/3/stable/style/flowplayer.css")
+    body
+        div(id = "player")
+        script(type= "module")
+            | import flowplayer from "https://cdn.flowplayer.com/releases/native/3/stable/esm/default/flowplayer.min.js"
+            | import ovp from "https://cdn.flowplayer.com/releases/native/3/stable/esm/plugins/ovp.min.js"
+            | import hls from "https://cdn.flowplayer.com/releases/native/3/stable/esm/plugins/hls.min.js"
+            | import qsel from "https://cdn.flowplayer.com/releases/native/3/stable/esm/plugins/qsel.min.js"
+            | import speed from "https://cdn.flowplayer.com/releases/native/3/stable/esm/plugins/speed.min.js"
+            | window.flowplayer = flowplayer
+            | flowplayer(ovp, hls, qsel, speed);
+            each component in Test.components
+              |!{component}
+            | localStorage["flowplayer/debug"] = ".*"
+            | window.Errors = []
+            | window.onerror = function(messageOrEvent, source, lineno, colno, error) { window.Errors.push([...arguments]) }
+            | window.__FLOWPLAYER_TOKEN = "eyJraWQiOiJiRDJrSnhuTkppT1AiLCJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJjIjoie1wiYWNsXCI6NixcImlkXCI6XCJiRDJrSnhuTkppT1BcIn0iLCJpc3MiOiJGbG93cGxheWVyIn0.6SS-jLJb338KVYAsj4SFVBzbah-auDeQjeBqjJL6SRa_vJKt4xW7-lSlZGjqsKAqhXFso2UF_BaBkJZ1S1SQFg"
+            | window.player = flowplayer("#player", !{Test.config})

test/puppeteer/_setup/player.mjs

@@ -0,0 +1,44 @@
+export async function captureEvent(page, player, eventName, timeout = 20_000) {
+    return await page.evaluate(
+        (player, eventName, timeout) => {
+            return new Promise((ok, err) => {
+                const serialize = (o) => {
+                    try {
+                        return JSON.parse(JSON.stringify(o))
+                    } catch (err) {
+                        return o
+                    }
+                }
+
+                const handle = (e) => {
+                    ok({
+                        type: e.type,
+                        state: player.root.className,
+                        detail: serialize(e.detail)
+                    })
+                }
+                player.addEventListener(eventName, handle, {once: true})
+                setTimeout(
+                    () =>
+                        err(
+                            new Error(`failed to detect event::${eventName} in ${timeout}ms`)
+                        ),
+                    timeout
+                )
+            })
+        },
+        player,
+        eventName,
+        timeout
+    )
+}
+
+export async function togglePlay(page, player, flag) {
+    return await page.evaluate(
+        (player, flag) => {
+            return Promise.resolve(player.togglePlay(flag))
+        },
+        player,
+        flag
+    )
+}