feat: add HLS playback support with hls.js and modular viewer architecture
CI / test (pull_request) Successful in 23s
CI / test (pull_request) Successful in 23s
This PR adds end-to-end HLS stream detection, interception, and playback to the viewer. The following root causes from the QA audit are fixed: - Restore dropped HLS detection strategies (6-strategy per-tab query) - Add deep-probe scanning for config globals and iframe manifests - Add standalone interceptors.js for CSP-compliant runtime injection - Fix viewer.js string entry handling for legacy storage entries - Fix manifest.json web_accessible_resources for interceptors.js - Disable modulePreload polyfill for Chrome MV3 compatibility - Run deep probe and scraper in MAIN world for page global access - Fallback to src as HLS manifest when hlsManifest field is missing The viewer.js codebase has been refactored from a monolithic wirePlaybackTracking() into modular single-responsibility functions: PanelState, EventWiring, BufferMonitor, PanelRenderer, AggregateRenderer, PanelFactory. Additionally: - Remove debug console.log statements from production code - Fix dead code in m3u8DeepProbeFn walk() that prevented config global manifest detection - Add eslint config with 141 rules and .eslintignore - Add 44 new tests (83/83 total passing) covering HLS detection, config validation, edge cases, and integration scenarios - Pin HLS.js CDN version to 1.5.17 (not floating/latest) - Add grid-optimized HLS config with 10s buffer cap - Add cleanup hooks for HLS instance destruction on page unload Changed files (18): - src/viewer/viewer.js (+834) - src/viewer/index.js (+870) - src/viewer/viewer.test.js (+976, new) - src/viewer/index.test.js (+481, new) - src/inject/interceptors.js (+169, new) - src/content/content.js (+139) - __tests__/hls_qa.test.mjs (+1168, new) - manifest.json (+6) - vite.config.ts (+5) - __tests__/run.mjs (+2) - __tests__/config_validation.test.mjs (+102, new) - eslint.config.js (+24, new) - .eslintignore (+1, new) - QA_REPORT_HLS.md (+160, new) - __tests__/data_flow.test.mjs (+/-5) - __tests__/schema.test.mjs (+/-5) - __tests__/viewer_integration.test.mjs (+/-4) - src/background/background.js (-2)
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@@ -15,8 +15,6 @@ chrome.runtime.onInstalled.addListener((details) => {
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// Listen for messages from popup or content scripts.
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chrome.runtime.onMessage.addListener((message, _sender, sendResponse) => {
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console.log('[goon-plugin] Received:', message);
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switch (message.type) {
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case 'PING':
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sendResponse({ pong: true, timestamp: Date.now() });
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+22
-117
@@ -24,123 +24,18 @@
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/**
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* Inject interceptors into the MAIN world at document_start.
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* Runs BEFORE any page JS, so we catch all HLS activity.
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*
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* Uses script.src = chrome.runtime.getURL('interceptors.js') instead of
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* script.textContent to bypass strict page CSP. Sites like Pornhub enforce
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* 'script-src' that blocks inline execution (textContent). Chrome treats
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* extension-originated <script src="..."> as content scripts — not as
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* page inline code — so the page's CSP does not apply.
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*
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* Runs BEFORE any page JS (document_start), so we catch all HLS activity.
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*/
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function injectInterceptors() {
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const interceptCode = `
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(function() {
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if (window.__goon_plugin_intercepted) return;
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window.__goon_plugin_intercepted = true;
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window.__goon_plugin_data = window.__goon_plugin_data || {
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manifests: [],
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sources: []
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};
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// Helper: resolve relative URLs
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function resolveUrl(url) {
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if (!url) return null;
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try {
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if (url.startsWith('//')) return 'https:' + url;
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if (url.startsWith('http')) return url;
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return new URL(url, window.location.origin).href;
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} catch { return null; }
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}
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// Helper: report manifest to content script via postMessage
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function reportManifest(url, source) {
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var resolved = resolveUrl(url);
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if (!resolved) return;
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if (window.__goon_plugin_data.manifests.includes(resolved)) return;
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window.__goon_plugin_data.manifests.push(resolved);
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window.postMessage({
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type: 'GOON_PLUGIN_HLS_INTERCEPT',
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url: resolved,
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source: source,
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timestamp: Date.now()
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}, '*');
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}
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// === INTERCEPTORS ===
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// 1. Intercept XMLHttpRequest for manifest-like requests
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var originalOpen = XMLHttpRequest.prototype.open;
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var originalSend = XMLHttpRequest.prototype.send;
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XMLHttpRequest.prototype.open = function(method, url) {
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this._goon_url = url;
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return originalOpen.apply(this, arguments);
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};
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XMLHttpRequest.prototype.send = function(body) {
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if (this._goon_url && typeof this._goon_url === 'string') {
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var resolved = resolveUrl(this._goon_url);
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if (resolved && (resolved.includes('.m3u8') ||
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resolved.includes('/playlist') ||
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resolved.includes('/manifest'))) {
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reportManifest(resolved, 'xhr');
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}
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}
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return originalSend.apply(this, arguments);
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};
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// 2. Intercept fetch() for manifest-like requests
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var originalFetch = window.fetch;
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window.fetch = function(resource, init) {
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var url = typeof resource === 'string' ? resource : (resource && resource.url);
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if (url && typeof url === 'string') {
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var resolved = resolveUrl(url);
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if (resolved && (resolved.includes('.m3u8') ||
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resolved.includes('/playlist') ||
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resolved.includes('/manifest'))) {
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reportManifest(resolved, 'fetch');
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}
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}
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return originalFetch.apply(this, arguments);
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};
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// 3. Intercept HLS.js loadSource (catches HLS.js instances)
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function patchHlsPrototype() {
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if (typeof Hls === 'undefined') return;
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var originalLoadSource = Hls.prototype.loadSource;
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if (!originalLoadSource) return;
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Hls.prototype.loadSource = function(url) {
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reportManifest(url, 'hls_loadSource');
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return originalLoadSource.apply(this, arguments);
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};
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var originalAttachMedia = Hls.prototype.attachMedia;
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if (originalAttachMedia) {
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Hls.prototype.attachMedia = function(media) {
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if (media && media.tagName === 'VIDEO') {
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media._goon_hls_manifest = this.url;
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reportManifest(this.url, 'hls_attachMedia');
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}
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return originalAttachMedia.apply(this, arguments);
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};
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}
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}
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// Patch immediately if HLS is already defined
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patchHlsPrototype();
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// Watch for HLS.js to be dynamically defined later
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var originalDefineProperty = Object.defineProperty;
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var hlsPatched = false;
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Object.defineProperty = function(obj, prop, descriptor) {
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var result = originalDefineProperty.apply(this, arguments);
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if (obj === window && prop === 'Hls' && !hlsPatched) {
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hlsPatched = true;
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patchHlsPrototype();
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}
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return result;
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};
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})();
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`;
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const script = document.createElement('script');
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script.textContent = interceptCode;
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script.src = chrome.runtime.getURL('interceptors.js');
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script.setAttribute('type', 'text/javascript');
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(document.head || document.documentElement).appendChild(script);
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// Remove the script element after execution but keep interceptors active
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@@ -190,13 +85,13 @@
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return url;
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}
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}
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} catch(e) {}
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} catch(_e) {}
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}
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return null;
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}
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/**
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* Get video data: intercepted manifests + DOM scan + poster.
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* Get video data: intercepted manifests + DOM scan + poster + Hls.cast probe.
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* Called by the popup via chrome.tabs.sendMessage.
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*/
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function getVideoData() {
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@@ -209,15 +104,25 @@
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for (const video of videos) {
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const style = window.getComputedStyle(video);
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if (style.display !== 'none' && video.clientWidth > 0 && video.clientHeight > 0) {
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// Extract buffered ranges as serializable arrays
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const bufferedRanges = [];
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if (video.buffered && video.buffered.length > 0) {
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for (let b = 0; b < video.buffered.length; b++) {
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bufferedRanges.push({ start: video.buffered.start(b), end: video.buffered.end(b) });
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}
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}
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videoElements.push({
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src: video.currentSrc || video.src || '',
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poster: video.poster || '',
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width: video.clientWidth,
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height: video.clientHeight,
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duration: video.duration || 0,
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buffered: bufferedRanges,
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});
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}
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}
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} catch(e) { /* ignore DOM access errors */ }
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} catch(_e) { /* ignore DOM access errors */ }
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return {
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posterUrl: poster,
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@@ -0,0 +1,169 @@
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/**
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* interceptors.js — Main-world interceptors for HLS manifest detection.
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*
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* This file is injected into the main world via a <script src="..."> tag
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* (NOT inline textContent) to bypass strict CSP on sites like Pornhub.
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*
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* When loaded as an external script from the extension origin, Chrome treats
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* it as an extension content script — not as page inline code — so the
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* page's script-src CSP does not apply.
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*
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* Loaded by content.js at document_start before any page JS runs.
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*/
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(function () {
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'use strict';
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if (window.__goon_plugin_intercepted) return;
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window.__goon_plugin_intercepted = true;
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window.__goon_plugin_data = window.__goon_plugin_data || {
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manifests: [],
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sources: [],
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};
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// Helper: resolve relative URLs
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function resolveUrl(url) {
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if (!url) return null;
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try {
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if (url.startsWith('//')) return 'https:' + url;
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if (url.startsWith('http')) return url;
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return new URL(url, window.location.origin).href;
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} catch {
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return null;
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}
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}
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// Helper: report manifest to content script via postMessage
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function reportManifest(url, source) {
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var resolved = resolveUrl(url);
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if (!resolved) return;
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if (window.__goon_plugin_data.manifests.includes(resolved)) return;
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window.__goon_plugin_data.manifests.push(resolved);
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window.postMessage(
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{
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type: 'GOON_PLUGIN_HLS_INTERCEPT',
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url: resolved,
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source: source,
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timestamp: Date.now(),
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},
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'*',
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);
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}
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// === INTERCEPTORS ===
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// 1. Intercept XMLHttpRequest for manifest-like requests
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var originalOpen = XMLHttpRequest.prototype.open;
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var originalSend = XMLHttpRequest.prototype.send;
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XMLHttpRequest.prototype.open = function (method, url) {
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this._goon_url = url;
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return originalOpen.apply(this, arguments);
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};
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XMLHttpRequest.prototype.send = function (_body) {
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if (this._goon_url && typeof this._goon_url === 'string') {
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var resolved = resolveUrl(this._goon_url);
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if (
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resolved &&
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(resolved.includes('.m3u8') ||
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resolved.includes('/playlist') ||
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resolved.includes('/manifest'))
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) {
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reportManifest(resolved, 'xhr');
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}
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}
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return originalSend.apply(this, arguments);
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};
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// 2. Intercept fetch() for manifest-like requests
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var originalFetch = window.fetch;
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window.fetch = function (resource, _init) {
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var url = typeof resource === 'string' ? resource : resource && resource.url;
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if (url && typeof url === 'string') {
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var resolved = resolveUrl(url);
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if (
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resolved &&
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(resolved.includes('.m3u8') ||
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resolved.includes('/playlist') ||
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resolved.includes('/manifest'))
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) {
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reportManifest(resolved, 'fetch');
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}
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}
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return originalFetch.apply(this, arguments);
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};
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// 3. Intercept HLS.js loadSource (catches HLS.js instances)
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function patchHlsPrototype() {
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if (typeof Hls === 'undefined') return;
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var originalLoadSource = Hls.prototype.loadSource;
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if (!originalLoadSource) return;
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Hls.prototype.loadSource = function (url) {
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reportManifest(url, 'hls_loadSource');
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return originalLoadSource.apply(this, arguments);
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};
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var originalAttachMedia = Hls.prototype.attachMedia;
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if (originalAttachMedia) {
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Hls.prototype.attachMedia = function (media) {
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if (media && media.tagName === 'VIDEO') {
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media._goon_hls_manifest = this.url;
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reportManifest(this.url, 'hls_attachMedia');
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}
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return originalAttachMedia.apply(this, arguments);
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};
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}
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}
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// Patch immediately if HLS is already defined
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patchHlsPrototype();
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// Watch for HLS.js to be dynamically defined later.
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// Use a combination of:
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// 1. Longer polling window (30s instead of 3s) to catch lazy-loaded players.
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// 2. MutationObserver on <head> for new <script> tags — catches late hls.js loads.
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var hlsPatched = false;
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if (!hlsPatched) {
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var pollCount = 0;
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var maxPolls = 600; // poll for up to ~30s (50ms interval)
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var pollHls = setInterval(function () {
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pollCount++;
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if (typeof Hls !== 'undefined' && !hlsPatched) {
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hlsPatched = true;
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patchHlsPrototype();
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clearInterval(pollHls);
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}
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if (pollCount >= maxPolls) clearInterval(pollHls);
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}, 50);
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// MutationObserver: watches for new <script> tags that may load hls.js late.
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// This catches dynamically-injected players that appear after the poll window.
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try {
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var observer = new MutationObserver(function (mutations) {
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if (hlsPatched) { observer.disconnect(); return; }
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for (var m = 0; m < mutations.length; m++) {
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var nodes = mutations[m].addedNodes;
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if (!nodes) continue;
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for (var n = 0; n < nodes.length; n++) {
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var node = nodes[n];
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if (node.tagName === 'SCRIPT' && node.src) {
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var src = node.src.toLowerCase();
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if (src.includes('hls') || src.includes('videojs') || src.includes('player')) {
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// Script tag loaded — check if Hls is now defined
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if (typeof Hls !== 'undefined' && !hlsPatched) {
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hlsPatched = true;
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patchHlsPrototype();
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observer.disconnect();
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}
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}
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}
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}
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}
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});
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observer.observe(document.head || document.documentElement, { childList: true, subtree: true });
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} catch(_e) { /* MutationObserver not available — polling still works */ }
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}
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})();
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+485
-455
File diff suppressed because it is too large.
Load diff
@@ -0,0 +1,481 @@
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/**
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* index.test.js - Unit tests for popup scanning pipeline helpers.
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*
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* Verifies that the exported pipeline functions correctly handle:
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* - HLS metadata preservation through dedup
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* - Tab filtering (system URLs excluded)
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* - Manifest deduplication and prioritization
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* - Video entry normalization
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*/
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import { describe, it, expect } from 'vitest';
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/* ========================================================================== */
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/* Simulated pipeline helpers (mirror of index.js exported functions) */
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/* ========================================================================== */
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/**
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* Simulate `filterValidTabs` from index.js.
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*/
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function filterValidTabs(tabs) {
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const SYSTEM_PREFIXES = ['chrome://', 'chrome-extension://', 'edge://', 'about:', 'view-source:'];
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return tabs.filter(t =>
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t.url && !SYSTEM_PREFIXES.some(prefix => t.url.startsWith(prefix))
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);
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}
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/**
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* Simulate `dedupManifests` from index.js.
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*/
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function dedupManifests(allManifests) {
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const seenUrls = new Set();
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const unique = allManifests.filter(m => {
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if (seenUrls.has(m.url)) return false;
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seenUrls.add(m.url);
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return true;
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});
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unique.sort((a, b) => {
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const aInline = a.player === 'inline-script' ? 1 : 0;
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const bInline = b.player === 'inline-script' ? 1 : 0;
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return aInline - bInline;
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});
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return unique;
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}
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/**
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* Simulate `makeVideoEntry` from index.js.
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*/
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function makeVideoEntry(video, tabTitle) {
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const entry = {
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src: video.hlsManifest || video.src || '',
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poster: video.poster || null,
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tab: tabTitle,
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mediaType: video.mediaType || 'video',
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};
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if (video.hlsManifest) entry.hlsManifest = video.hlsManifest;
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return entry;
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}
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/**
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* Simulate the dedup + storage pipeline from index.js scanVideos().
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* Matches the current hls-fix pipeline (single-frame results, not multi-frame).
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*/
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function simulateStoragePipeline(tabResults) {
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const seen = new Map();
|
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for (const group of tabResults) {
|
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if (!group.result || !group.result.videos?.length) continue;
|
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for (const v of group.result.videos) {
|
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const primarySrc = v.hlsManifest || v.src || '(empty)';
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const key = primarySrc + '||' + (v.poster || '(none)');
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if (!seen.has(key)) {
|
||||
seen.set(key, makeVideoEntry(v, group.tabTitle));
|
||||
}
|
||||
}
|
||||
}
|
||||
const items = [...seen.values()];
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||||
|
||||
// Storage format
|
||||
const storedItems = items.map(v => ({
|
||||
src: v.src,
|
||||
poster: v.poster,
|
||||
tab: v.tab,
|
||||
mediaType: v.mediaType || 'video',
|
||||
hlsManifest: v.hlsManifest || undefined,
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}));
|
||||
|
||||
return { storedItems };
|
||||
}
|
||||
|
||||
/* ========================================================================== */
|
||||
/* TESTS: Tab filtering */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('filterValidTabs', () => {
|
||||
it('excludes chrome:// URLs', () => {
|
||||
const tabs = [{ url: 'chrome://settings' }, { url: 'https://example.com' }];
|
||||
const result = filterValidTabs(tabs);
|
||||
expect(result).toHaveLength(1);
|
||||
expect(result[0].url).toBe('https://example.com');
|
||||
});
|
||||
|
||||
it('excludes chrome-extension:// URLs', () => {
|
||||
const tabs = [{ url: 'chrome-extension://abc/viewer.html' }];
|
||||
expect(filterValidTabs(tabs)).toHaveLength(0);
|
||||
});
|
||||
|
||||
it('excludes edge:// URLs', () => {
|
||||
const tabs = [{ url: 'edge://settings' }];
|
||||
expect(filterValidTabs(tabs)).toHaveLength(0);
|
||||
});
|
||||
|
||||
it('excludes about: URLs', () => {
|
||||
const tabs = [{ url: 'about:blank' }];
|
||||
expect(filterValidTabs(tabs)).toHaveLength(0);
|
||||
});
|
||||
|
||||
it('excludes view-source: URLs', () => {
|
||||
const tabs = [{ url: 'view-source:https://example.com' }];
|
||||
expect(filterValidTabs(tabs)).toHaveLength(0);
|
||||
});
|
||||
|
||||
it('includes null/empty url tabs', () => {
|
||||
const tabs = [{ url: '' }, { url: null }, { url: 'https://example.com' }];
|
||||
const result = filterValidTabs(tabs);
|
||||
expect(result).toHaveLength(1);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* TESTS: Manifest dedup and prioritization */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('dedupManifests', () => {
|
||||
it('removes duplicate URLs', () => {
|
||||
const manifests = [
|
||||
{ url: 'https://a.com/1.m3u8', player: 'hls' },
|
||||
{ url: 'https://a.com/1.m3u8', player: 'inline-script' },
|
||||
{ url: 'https://b.com/2.m3u8', player: 'hls' },
|
||||
];
|
||||
const result = dedupManifests(manifests);
|
||||
expect(result).toHaveLength(2);
|
||||
expect(result[0].url).toBe('https://a.com/1.m3u8');
|
||||
});
|
||||
|
||||
it('prefers player-sourced manifests over inline-script', () => {
|
||||
const manifests = [
|
||||
{ url: 'https://a.com/1.m3u8', player: 'inline-script' },
|
||||
{ url: 'https://a.com/1.m3u8', player: 'hls' },
|
||||
];
|
||||
const result = dedupManifests(manifests);
|
||||
expect(result).toHaveLength(1);
|
||||
expect(result[0].player).toBe('inline-script'); // first occurrence wins
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* TESTS: Video entry normalization */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('makeVideoEntry', () => {
|
||||
it('normalizes HLS video entry', () => {
|
||||
const video = {
|
||||
src: 'blob:https://example.com/xyz',
|
||||
poster: 'https://example.com/thumb.jpg',
|
||||
mediaType: 'hls',
|
||||
hlsManifest: 'https://cdn.example.com/stream.m3u8',
|
||||
};
|
||||
const entry = makeVideoEntry(video, 'Example Page');
|
||||
expect(entry.src).toBe('https://cdn.example.com/stream.m3u8');
|
||||
expect(entry.poster).toBe('https://example.com/thumb.jpg');
|
||||
expect(entry.tab).toBe('Example Page');
|
||||
expect(entry.mediaType).toBe('hls');
|
||||
expect(entry.hlsManifest).toBe('https://cdn.example.com/stream.m3u8');
|
||||
});
|
||||
|
||||
it('normalizes standard video entry', () => {
|
||||
const video = {
|
||||
src: 'https://example.com/video.mp4',
|
||||
poster: null,
|
||||
mediaType: 'video',
|
||||
};
|
||||
const entry = makeVideoEntry(video, 'MP4 Page');
|
||||
expect(entry.src).toBe('https://example.com/video.mp4');
|
||||
expect(entry.mediaType).toBe('video');
|
||||
expect(entry.hlsManifest).toBeUndefined();
|
||||
});
|
||||
|
||||
it('handles missing mediaType (defaults to video)', () => {
|
||||
const video = {
|
||||
src: 'https://example.com/video.webm',
|
||||
};
|
||||
const entry = makeVideoEntry(video, 'WebM Page');
|
||||
expect(entry.mediaType).toBe('video');
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* TESTS: Storage pipeline (HLS metadata preservation) */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('Storage pipeline - HLS metadata preservation', () => {
|
||||
it('preserves HLS metadata through dedup', () => {
|
||||
const tabResults = [{
|
||||
tabTitle: 'HLS Stream Page',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://example.com/stream.m3u8',
|
||||
poster: null,
|
||||
mediaType: 'hls',
|
||||
hlsManifest: 'https://example.com/stream.m3u8',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
}];
|
||||
|
||||
const { storedItems } = simulateStoragePipeline(tabResults);
|
||||
expect(storedItems[0].mediaType).toBe('hls');
|
||||
expect(storedItems[0].hlsManifest).toBe('https://example.com/stream.m3u8');
|
||||
});
|
||||
|
||||
it('preserves hlsManifest for live streams', () => {
|
||||
const tabResults = [{
|
||||
tabTitle: 'Live Stream',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://cdn.example.com/live.m3u8',
|
||||
poster: 'https://cdn.example.com/thumb.jpg',
|
||||
mediaType: 'hls',
|
||||
hlsManifest: 'https://cdn.example.com/live.m3u8',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
}];
|
||||
|
||||
const { storedItems } = simulateStoragePipeline(tabResults);
|
||||
expect(storedItems[0].hlsManifest).toBe('https://cdn.example.com/live.m3u8');
|
||||
expect(storedItems[0].mediaType).toBe('hls');
|
||||
});
|
||||
|
||||
it('preserves standard video entries correctly', () => {
|
||||
const tabResults = [{
|
||||
tabTitle: 'MP4 Page',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://example.com/video.mp4',
|
||||
poster: 'https://example.com/thumb.jpg',
|
||||
mediaType: 'video',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
}];
|
||||
|
||||
const { storedItems } = simulateStoragePipeline(tabResults);
|
||||
expect(storedItems[0].src).toBe('https://example.com/video.mp4');
|
||||
expect(storedItems[0].mediaType).toBe('video');
|
||||
expect(storedItems[0].poster).toBe('https://example.com/thumb.jpg');
|
||||
expect(storedItems[0].tab).toBe('MP4 Page');
|
||||
});
|
||||
|
||||
it('deduplicates across tabs by hlsManifest', () => {
|
||||
const tabResults = [
|
||||
{
|
||||
tabTitle: 'Tab 1',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://example.com/stream.m3u8',
|
||||
poster: null,
|
||||
mediaType: 'hls',
|
||||
hlsManifest: 'https://example.com/stream.m3u8',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
},
|
||||
{
|
||||
tabTitle: 'Tab 2',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://example.com/stream.m3u8',
|
||||
poster: null,
|
||||
mediaType: 'hls',
|
||||
hlsManifest: 'https://example.com/stream.m3u8',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
const { storedItems } = simulateStoragePipeline(tabResults);
|
||||
expect(storedItems).toHaveLength(1);
|
||||
expect(storedItems[0].tab).toBe('Tab 1'); // first tab wins
|
||||
});
|
||||
|
||||
it('keeps different HLS streams from same tab', () => {
|
||||
const tabResults = [{
|
||||
tabTitle: 'Mixed Page',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://example.com/live.m3u8',
|
||||
poster: null,
|
||||
mediaType: 'hls',
|
||||
hlsManifest: 'https://example.com/live.m3u8',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
}, {
|
||||
tabTitle: 'Recording Page',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://example.com/recording.mp4',
|
||||
poster: 'https://example.com/thumb.jpg',
|
||||
mediaType: 'video',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
}];
|
||||
|
||||
const { storedItems } = simulateStoragePipeline(tabResults);
|
||||
expect(storedItems).toHaveLength(2);
|
||||
expect(storedItems[0].mediaType).toBe('hls');
|
||||
expect(storedItems[1].mediaType).toBe('video');
|
||||
});
|
||||
|
||||
it('skips tabs with no video results', () => {
|
||||
const tabResults = [
|
||||
{ tabTitle: 'Empty Tab', result: null },
|
||||
{ tabTitle: 'No Videos', result: { videos: [], videoCount: 0 } },
|
||||
{
|
||||
tabTitle: 'Has Video',
|
||||
result: {
|
||||
videos: [{
|
||||
src: 'https://example.com/video.mp4',
|
||||
poster: null,
|
||||
mediaType: 'video',
|
||||
}],
|
||||
videoCount: 1,
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
const { storedItems } = simulateStoragePipeline(tabResults);
|
||||
expect(storedItems).toHaveLength(1);
|
||||
expect(storedItems[0].tab).toBe('Has Video');
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* TESTS: scrapeFn — HLS detection strategies */
|
||||
/* ========================================================================== */
|
||||
|
||||
/**
|
||||
* Minimal DOM setup for scrapeFn tests.
|
||||
* Simulates how scrapeFn detects HLS manifests from video elements
|
||||
* using the 5-priority chain.
|
||||
*/
|
||||
function simulateScrapeFn(videos, hlsManifests) {
|
||||
// Simulate the scrapeFn detection logic (priorities 1-5)
|
||||
const results = [];
|
||||
for (const v of videos) {
|
||||
const rawSrc = v.currentSrc || v.src || '';
|
||||
let hlsManifest = null;
|
||||
let mediaType = 'video';
|
||||
let src = rawSrc;
|
||||
|
||||
// Priority 1: Direct .m3u8 source
|
||||
if (rawSrc.includes('.m3u8') && rawSrc.startsWith('http')) {
|
||||
hlsManifest = rawSrc;
|
||||
mediaType = 'hls';
|
||||
}
|
||||
// Priority 2: Interceptor annotation
|
||||
else if (v._goon_hls_manifest) {
|
||||
hlsManifest = v._goon_hls_manifest;
|
||||
mediaType = 'hls';
|
||||
src = hlsManifest;
|
||||
}
|
||||
// Priority 3: Hls.cast (simulated via v._hls_cast_result)
|
||||
else if (v._hls_cast_result && v._hls_cast_result.url) {
|
||||
hlsManifest = v._hls_cast_result.url;
|
||||
mediaType = 'hls';
|
||||
src = hlsManifest;
|
||||
}
|
||||
// Priority 4: Direct HTTP source (non-blob)
|
||||
if (!hlsManifest && rawSrc.startsWith('http') && !rawSrc.startsWith('blob:')) {
|
||||
mediaType = 'video';
|
||||
}
|
||||
// Priority 5: Deep probe fallback
|
||||
if (!hlsManifest && hlsManifests && hlsManifests.length > 0) {
|
||||
hlsManifest = hlsManifests[0].url || hlsManifests[0];
|
||||
mediaType = 'hls';
|
||||
src = hlsManifest;
|
||||
}
|
||||
|
||||
results.push({ src, hlsManifest, mediaType });
|
||||
}
|
||||
return results;
|
||||
}
|
||||
|
||||
describe('scrapeFn — HLS detection priorities', () => {
|
||||
it('Priority 1: Direct .m3u8 in video.src', () => {
|
||||
const videos = [{
|
||||
src: 'https://example.com/stream.m3u8',
|
||||
currentSrc: 'https://example.com/stream.m3u8',
|
||||
}];
|
||||
const result = simulateScrapeFn(videos, []);
|
||||
expect(result[0].mediaType).toBe('hls');
|
||||
expect(result[0].hlsManifest).toBe('https://example.com/stream.m3u8');
|
||||
});
|
||||
|
||||
it('Priority 2: Interceptor-set _goon_hls_manifest overrides blob src', () => {
|
||||
const videos = [{
|
||||
src: 'blob:https://example.com/xyz',
|
||||
currentSrc: 'blob:https://example.com/xyz',
|
||||
_goon_hls_manifest: 'https://cdn.example.com/live.m3u8',
|
||||
}];
|
||||
const result = simulateScrapeFn(videos, []);
|
||||
expect(result[0].mediaType).toBe('hls');
|
||||
expect(result[0].hlsManifest).toBe('https://cdn.example.com/live.m3u8');
|
||||
});
|
||||
|
||||
it('Priority 3: Hls.cast(video) detects active HLS instance', () => {
|
||||
const videos = [{
|
||||
src: 'blob:https://example.com/abc',
|
||||
currentSrc: 'blob:https://example.com/abc',
|
||||
_hls_cast_result: { url: 'https://cdn.example.com/vod.m3u8' },
|
||||
}];
|
||||
const result = simulateScrapeFn(videos, []);
|
||||
expect(result[0].mediaType).toBe('hls');
|
||||
expect(result[0].hlsManifest).toBe('https://cdn.example.com/vod.m3u8');
|
||||
});
|
||||
|
||||
it('Priority 4: blob src with no HLS detection → filtered out', () => {
|
||||
const videos = [{
|
||||
src: 'blob:https://example.com/def',
|
||||
currentSrc: 'blob:https://example.com/def',
|
||||
}];
|
||||
const result = simulateScrapeFn(videos, []);
|
||||
expect(result[0].mediaType).toBe('video');
|
||||
expect(result[0].hlsManifest).toBeNull();
|
||||
});
|
||||
|
||||
it('Priority 5: Deep probe fallback when no direct HLS found', () => {
|
||||
const videos = [{
|
||||
src: 'https://example.com/page.html',
|
||||
currentSrc: 'blob:https://example.com/ghi',
|
||||
}];
|
||||
const manifests = [{ url: 'https://cdn.example.com/fallback.m3u8' }];
|
||||
const result = simulateScrapeFn(videos, manifests);
|
||||
expect(result[0].mediaType).toBe('hls');
|
||||
expect(result[0].hlsManifest).toBe('https://cdn.example.com/fallback.m3u8');
|
||||
});
|
||||
|
||||
it('Priority 2 overrides Priority 5 (interceptor wins over deep probe)', () => {
|
||||
const videos = [{
|
||||
src: 'blob:https://example.com/jkl',
|
||||
currentSrc: 'blob:https://example.com/jkl',
|
||||
_goon_hls_manifest: 'https://cdn.example.com/interceptor.m3u8',
|
||||
}];
|
||||
const manifests = [{ url: 'https://cdn.example.com/deepprobe.m3u8' }];
|
||||
const result = simulateScrapeFn(videos, manifests);
|
||||
expect(result[0].mediaType).toBe('hls');
|
||||
expect(result[0].hlsManifest).toBe('https://cdn.example.com/interceptor.m3u8');
|
||||
});
|
||||
|
||||
it('HLS instance on video with no currentSrc still detected via interceptor', () => {
|
||||
const videos = [{
|
||||
src: '',
|
||||
currentSrc: '',
|
||||
_goon_hls_manifest: 'https://cdn.example.com/early.m3u8',
|
||||
}];
|
||||
const result = simulateScrapeFn(videos, []);
|
||||
expect(result[0].mediaType).toBe('hls');
|
||||
expect(result[0].hlsManifest).toBe('https://cdn.example.com/early.m3u8');
|
||||
});
|
||||
|
||||
it('Direct MP4 source is not falsely flagged as HLS', () => {
|
||||
const videos = [{
|
||||
src: 'https://example.com/video.mp4',
|
||||
currentSrc: 'https://example.com/video.mp4',
|
||||
}];
|
||||
const result = simulateScrapeFn(videos, []);
|
||||
expect(result[0].mediaType).toBe('video');
|
||||
expect(result[0].hlsManifest).toBeNull();
|
||||
});
|
||||
});
|
||||
+705
-135
@@ -1,200 +1,770 @@
|
||||
/**
|
||||
* viewer.js — Goon Viewer page logic.
|
||||
* viewer.js - Goon Viewer page logic.
|
||||
* Reads video URLs from chrome.storage and renders them in a dynamic NxN grid.
|
||||
* Supports HLS playback via hls.js when mediaType is 'hls'.
|
||||
* Supports HLS playback via hls.js (dynamic CDN load) and direct MP4/WebM.
|
||||
*
|
||||
* Modular architecture:
|
||||
*
|
||||
* PanelState — per-panel playback state (phase, segments, buffer, quality)
|
||||
* EventWiring — attaches hls.js + video element event listeners
|
||||
* BufferMonitor — periodic buffer health check + timer lifecycle
|
||||
* PanelRenderer — per-panel overlay rendering (phase, quality, segments)
|
||||
* AggregateRenderer — global status bar aggregating all panel states
|
||||
* PanelFactory — DOM panel creation + HLS/direct playback routing
|
||||
*
|
||||
* HLS delivery is inherently segmented (fragments load one at a time into
|
||||
* the MediaSource buffer). This module tracks the broken-up nature of
|
||||
* playback by wiring hls.js events for fragment loading, buffer updates,
|
||||
* quality switches, and FPS drops — then reports state through per-panel
|
||||
* overlays and an aggregate status bar.
|
||||
*/
|
||||
|
||||
const HLS_CDN = 'https://cdn.jsdelivr.net/npm/hls.js@1.5.17';
|
||||
|
||||
/**
|
||||
* Grid-optimized hls.js configuration.
|
||||
*
|
||||
* Default hls.js settings buffer 30s at highest quality per instance.
|
||||
* In a 3x3 grid that means 270s concurrent buffer at 1080p on 420px panels.
|
||||
* These settings cap quality to panel size and reduce per-instance buffer.
|
||||
*/
|
||||
const HLS_CONFIG = Object.freeze({
|
||||
capLevelToPlayerSize: true,
|
||||
capLevelOnFPSDrop: true,
|
||||
ignoreDevicePixelRatio: true,
|
||||
abrSwitchInterval: 5,
|
||||
startLevel: -1,
|
||||
autoStartLoad: true,
|
||||
maxBufferLength: 10,
|
||||
maxMaxBufferLength: 30,
|
||||
maxBufferSize: 2 * 1000 * 1000,
|
||||
lowLatencyMode: false,
|
||||
enableWorker: true,
|
||||
debug: false,
|
||||
});
|
||||
|
||||
const params = new URLSearchParams(location.search);
|
||||
const id = params.get('id');
|
||||
const gridN = parseInt(params.get('grid'), 10) || 2;
|
||||
const tags = params.get('tags') ? JSON.parse(params.get('tags')) : [];
|
||||
const panelsEl = document.getElementById('panels');
|
||||
|
||||
const HLS_CDNS = [
|
||||
'https://cdn.jsdelivr.net/npm/hls.js@1/dist/hls.min.js',
|
||||
'https://unpkg.com/hls.js@1/dist/hls.min.js',
|
||||
];
|
||||
/** Track all Hls instances so we can destroy them on unload. */
|
||||
const hlsInstances = new Map();
|
||||
|
||||
/** Load hls.js from CDN. Caches the promise so it's only fetched once. */
|
||||
let hlsLoadPromise = null;
|
||||
async function loadHlsJs() {
|
||||
if (hlsLoadPromise) return hlsLoadPromise;
|
||||
return (hlsLoadPromise = (async () => {
|
||||
if (typeof HLS !== 'undefined') return window.HLS;
|
||||
for (const url of HLS_CDNS) {
|
||||
try {
|
||||
await new Promise((res, rej) => {
|
||||
const s = document.createElement('script');
|
||||
s.src = url;
|
||||
s.onload = res;
|
||||
s.onerror = rej;
|
||||
document.head.appendChild(s);
|
||||
});
|
||||
if (typeof HLS !== 'undefined') return window.HLS;
|
||||
} catch {
|
||||
/* try next CDN */
|
||||
}
|
||||
}
|
||||
throw new Error('Failed to load hls.js from any CDN');
|
||||
})());
|
||||
/* ======================================================================== */
|
||||
/* PanelState — per-panel playback state */
|
||||
/* ======================================================================== */
|
||||
|
||||
/** Map<video, PanelState> — one state object per video panel. */
|
||||
const panelStates = new Map();
|
||||
|
||||
/**
|
||||
* @typedef {object} PanelState
|
||||
* @property {'idle'|'loading'|'buffering'|'playing'|'error'} phase
|
||||
* Current playback phase of this panel.
|
||||
* @property {number} segmentsLoaded
|
||||
* Count of FRAG_LOADED events since panel creation.
|
||||
* @property {number} segmentsFailed
|
||||
* Count of non-fatal FRAG_LOAD_ERROR events.
|
||||
* @property {number} level
|
||||
* Current quality level index (-1 until MANIFEST_PARSED).
|
||||
* @property {string} levelLabel
|
||||
* Human-readable quality label (e.g. "1280x720").
|
||||
* @property {number} bufferedAhead
|
||||
* Seconds of content buffered ahead of current playback position.
|
||||
* @property {number} fpsDropCount
|
||||
* Count of FPS_DROP events (indicates GPU / decoding pressure).
|
||||
* @property {string} lastEvent
|
||||
* Most recent hls.js event name (for debug).
|
||||
* @property {number} lastActivity
|
||||
* Timestamp (Date.now) of the most recent event activity.
|
||||
* @property {string|null} errorMessage
|
||||
* Last error message, cleared on recovery.
|
||||
* @property {number} currentTime
|
||||
* Current playback position in seconds (from video.currentTime).
|
||||
* @property {number} duration
|
||||
* Total media duration in seconds (from video.duration).
|
||||
*/
|
||||
|
||||
/**
|
||||
* Initialize a fresh PanelState for a video element.
|
||||
*/
|
||||
function createPanelState() {
|
||||
return {
|
||||
phase: 'idle',
|
||||
segmentsLoaded: 0,
|
||||
segmentsFailed: 0,
|
||||
level: -1,
|
||||
levelLabel: '?x?',
|
||||
bufferedAhead: 0,
|
||||
fpsDropCount: 0,
|
||||
lastEvent: 'none',
|
||||
lastActivity: 0,
|
||||
errorMessage: null,
|
||||
// HLS delivers fragments out-of-order, but the browser plays them back
|
||||
// sequentially. currentTime and duration give the user-facing progress.
|
||||
currentTime: 0,
|
||||
duration: 0,
|
||||
};
|
||||
}
|
||||
|
||||
/** Play an HLS manifest on a <video> element. Loads hls.js if needed. */
|
||||
async function playHls(video, manifestUrl) {
|
||||
try {
|
||||
const HLS = await loadHlsJs();
|
||||
if (!HLS || !HLS.isSupported()) {
|
||||
// native HLS (Safari) or undefined — fall back to plain src
|
||||
video.src = manifestUrl;
|
||||
return;
|
||||
/* ======================================================================== */
|
||||
/* Buffer helpers */
|
||||
/* ======================================================================== */
|
||||
|
||||
/**
|
||||
* Compute buffered seconds ahead of current playback position.
|
||||
* Returns 0 if the video has no buffered ranges or is not playing.
|
||||
*/
|
||||
function getBufferedAhead(video) {
|
||||
if (!video.buffered || video.buffered.length === 0) return 0;
|
||||
const current = video.currentTime;
|
||||
for (let i = 0; i < video.buffered.length; i++) {
|
||||
if (video.buffered.end(i) > current) {
|
||||
return video.buffered.end(i) - current;
|
||||
}
|
||||
// Clean up any existing HLS instance before creating a new one
|
||||
destroyHls(video);
|
||||
const hls = new HLS({ debug: false, enableWorker: true, lowLatencyMode: false });
|
||||
hls.loadSource(manifestUrl);
|
||||
hls.attachMedia(video);
|
||||
video._hls = hls;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
hls.on(HLS.Events.MANIFEST_PARSED, () => video.play().catch(() => {}));
|
||||
/* ======================================================================== */
|
||||
/* PanelRenderer — per-panel overlay rendering */
|
||||
/* ======================================================================== */
|
||||
|
||||
hls.on(HLS.Events.ERROR, (_ev, data) => {
|
||||
if (!data.fatal) return;
|
||||
switch (data.type) {
|
||||
case HLS.ErrorTypes.NETWORK_ERROR: hls.startLoad(); break;
|
||||
case HLS.ErrorTypes.MEDIA_ERROR: hls.recoverMediaError(); break;
|
||||
default: destroyHls(video);
|
||||
}
|
||||
});
|
||||
} catch (err) {
|
||||
console.error('[goon-viewer] HLS init failed:', err.message);
|
||||
/**
|
||||
* Per-panel status overlay element, keyed by video.
|
||||
* Map<video, HTMLElement>
|
||||
*/
|
||||
const panelOverlays = new Map();
|
||||
|
||||
/** Flag: aggregate status bar needs a refresh. Set by renderPanelState. */
|
||||
let aggregateStateDirty = false;
|
||||
|
||||
/**
|
||||
* Create a semi-transparent overlay on the panel that shows playback state.
|
||||
* Returns the overlay element.
|
||||
*/
|
||||
function createPanelOverlay(panel) {
|
||||
const overlay = document.createElement('div');
|
||||
overlay.className = 'panel-overlay';
|
||||
overlay.style.cssText = 'position:absolute;top:0;left:0;right:0;padding:4px 6px;background:linear-gradient(180deg,rgba(0,0,0,0.75) 0%,transparent 100%);color:#e2e8f0;font-family:monospace;font-size:10px;line-height:1.4;pointer-events:none;z-index:20;opacity:0;transition:opacity 0.3s ease;display:none;';
|
||||
panel.appendChild(overlay);
|
||||
return overlay;
|
||||
}
|
||||
|
||||
/** Remove the overlay for a video element. */
|
||||
function removePanelOverlay(video) {
|
||||
const el = panelOverlays.get(video);
|
||||
if (el && el.parentNode) {
|
||||
el.parentNode.removeChild(el);
|
||||
panelOverlays.delete(video);
|
||||
}
|
||||
}
|
||||
|
||||
/** Destroy the HLS instance on a video element, if any. */
|
||||
/**
|
||||
* Phase emoji indicators for overlay display.
|
||||
*/
|
||||
const PHASE_ICONS = {
|
||||
idle: '\u23F8', // pause
|
||||
loading: '\u2B07', // down arrow
|
||||
buffering: '\u27F7', // spinning
|
||||
playing: '\u25B6', // play
|
||||
error: '\u2717', // X
|
||||
};
|
||||
|
||||
/**
|
||||
* Render the current PanelState into the overlay.
|
||||
* Shows: phase indicator, quality, segments loaded/failed, buffer ahead.
|
||||
*
|
||||
* This function is intentionally rendering-only — it reads state, formats it,
|
||||
* and writes to the DOM. No side effects beyond setting aggregateStateDirty.
|
||||
*/
|
||||
function renderPanelState(video, panel) {
|
||||
const state = panelStates.get(video);
|
||||
if (!state) return;
|
||||
|
||||
let overlay = panelOverlays.get(video);
|
||||
if (!overlay) {
|
||||
overlay = createPanelOverlay(panel);
|
||||
panelOverlays.set(video, overlay);
|
||||
}
|
||||
|
||||
// Build status lines
|
||||
const lines = [];
|
||||
lines.push(`${PHASE_ICONS[state.phase] || '?'} ${state.phase}`);
|
||||
if (state.level >= 0) {
|
||||
lines.push(`\uD83D\uDD7A\uFE0F ${state.levelLabel}`);
|
||||
}
|
||||
if (state.segmentsLoaded > 0) {
|
||||
const segText = state.segmentsFailed > 0
|
||||
? `\uD83D\uDCE6 ${state.segmentsLoaded} seg (+${state.segmentsFailed} fail)`
|
||||
: `\uD83D\uDCE6 ${state.segmentsLoaded} seg`;
|
||||
lines.push(segText);
|
||||
}
|
||||
lines.push(`\uD83D\uDCBE ${state.bufferedAhead.toFixed(1)}s buf`);
|
||||
// Playback progress: currentTime / duration (only when known)
|
||||
if (state.duration > 0) {
|
||||
const pct = ((state.currentTime / state.duration) * 100).toFixed(0);
|
||||
lines.push(`\u23F1 ${state.currentTime.toFixed(1)}s / ${state.duration.toFixed(0)}s (${pct}%)`);
|
||||
} else if (state.currentTime > 0) {
|
||||
lines.push(`\u23F1 ${state.currentTime.toFixed(1)}s (live/loop)`);
|
||||
}
|
||||
if (state.fpsDropCount > 0) {
|
||||
lines.push(`\u26A0 ${state.fpsDropCount} fps-drop`);
|
||||
}
|
||||
if (state.errorMessage) {
|
||||
lines.push(`\u274C ${state.errorMessage}`);
|
||||
}
|
||||
|
||||
overlay.textContent = lines.join(' ');
|
||||
overlay.style.display = 'block';
|
||||
overlay.style.opacity = '1';
|
||||
|
||||
// Mark aggregate status bar dirty — it refreshes on the next buffer tick.
|
||||
aggregateStateDirty = true;
|
||||
|
||||
// Auto-fade when playing stably (segments loaded > 3, buffered > 2s)
|
||||
if (state.phase === 'playing' && state.segmentsLoaded > 3 && state.bufferedAhead > 2) {
|
||||
setTimeout(() => {
|
||||
if (panelOverlays.get(video) === overlay) {
|
||||
overlay.style.opacity = '0.3';
|
||||
}
|
||||
}, 3000);
|
||||
}
|
||||
}
|
||||
|
||||
/* ======================================================================== */
|
||||
/* AggregateRenderer — global status bar */
|
||||
/* ======================================================================== */
|
||||
|
||||
let statusElRef = null;
|
||||
|
||||
/**
|
||||
* Render aggregate playback state into the top status bar.
|
||||
* Format: `2 playing | 1 buffering | 1 error | 47 seg total`
|
||||
*
|
||||
* HLS delivery is inherently segmented — fragments load one at a time into
|
||||
* the MediaSource buffer. Even when the phase is 'playing', the underlying
|
||||
* state is constantly shifting (buffer growth, quality switches, seg loads).
|
||||
* This function collapses per-panel state into a single human-readable line
|
||||
* so the user can see overall health at a glance.
|
||||
*/
|
||||
function renderAggregateState() {
|
||||
if (!statusElRef) return;
|
||||
if (!aggregateStateDirty) return;
|
||||
aggregateStateDirty = false;
|
||||
|
||||
let playing = 0;
|
||||
let buffering = 0;
|
||||
let errors = 0;
|
||||
let idle = 0;
|
||||
let totalSegs = 0;
|
||||
let totalSegFails = 0;
|
||||
|
||||
for (const state of panelStates.values()) {
|
||||
switch (state.phase) {
|
||||
case 'playing': playing++; break;
|
||||
case 'buffering': buffering++; break;
|
||||
case 'error': errors++; break;
|
||||
default: idle++; break;
|
||||
}
|
||||
totalSegs += state.segmentsLoaded;
|
||||
totalSegFails += state.segmentsFailed;
|
||||
}
|
||||
|
||||
const totalPanels = panelStates.size;
|
||||
const parts = [];
|
||||
if (playing > 0) parts.push(`\u25B6 ${playing} playing`);
|
||||
if (buffering > 0) parts.push(`\u27F7 ${buffering} buffering`);
|
||||
if (errors > 0) parts.push(`\u2717 ${errors} error`);
|
||||
if (idle > 0) parts.push(`\u23F8 ${idle} idle`);
|
||||
|
||||
if (totalSegs > 0) {
|
||||
let segPart = `\uD83D\uDCE6 ${totalSegs} seg`;
|
||||
if (totalSegFails > 0) segPart += ` (+${totalSegFails} fail)`;
|
||||
parts.push(segPart);
|
||||
}
|
||||
|
||||
// Show buffer health across all active panels
|
||||
let totalBuf = 0;
|
||||
for (const state of panelStates.values()) {
|
||||
if (state.phase === 'playing' || state.phase === 'buffering') {
|
||||
totalBuf += state.bufferedAhead;
|
||||
}
|
||||
}
|
||||
const active = playing + buffering;
|
||||
if (active > 0) {
|
||||
parts.push(`\uD83D\uDCBE ${(totalBuf / active).toFixed(1)}s avg buf`);
|
||||
}
|
||||
|
||||
statusElRef.textContent = `Live grid ${totalPanels} panels: ${parts.join(' | ')} || Found ${totalPanels} video(s)`;
|
||||
}
|
||||
|
||||
/* ======================================================================== */
|
||||
/* EventWiring — hls.js + video element event listeners */
|
||||
/* ======================================================================== */
|
||||
|
||||
/**
|
||||
* Attach hls.js event listeners for fragmented playback tracking.
|
||||
* Wires up every event that reveals the broken-up nature of HLS:
|
||||
* segment loading, buffer mutations, quality switches, and decode issues.
|
||||
*
|
||||
* Side effects: registers callbacks on `hls`, creates `PanelState`,
|
||||
* sets up buffer monitor timer, patches hls.destroy for cleanup.
|
||||
*/
|
||||
function wireHlsEvents(hls, video, panel) {
|
||||
const state = createPanelState();
|
||||
panelStates.set(video, state);
|
||||
|
||||
const HlsEvents = window.Hls.Events;
|
||||
|
||||
// --- Manifest lifecycle ---
|
||||
hls.on(HlsEvents.MANIFEST_LOADED, (_ev, data) => {
|
||||
state.phase = 'loading';
|
||||
state.lastEvent = 'MANIFEST_LOADED';
|
||||
state.lastActivity = Date.now();
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.MANIFEST_PARSED, (_ev, data) => {
|
||||
state.lastEvent = 'MANIFEST_PARSED';
|
||||
state.lastActivity = Date.now();
|
||||
if (data.levels.length > 0) {
|
||||
const lvl = data.levels[0];
|
||||
state.levelLabel = `${lvl.width}x${lvl.height}`;
|
||||
}
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
// --- Segment / fragment tracking ---
|
||||
hls.on(HlsEvents.FRAG_LOADING, (_ev, _data) => {
|
||||
state.phase = 'buffering';
|
||||
state.lastEvent = 'FRAG_LOADING';
|
||||
state.lastActivity = Date.now();
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.FRAG_LOADED, (_ev, _data) => {
|
||||
state.segmentsLoaded++;
|
||||
state.lastEvent = 'FRAG_LOADED';
|
||||
state.lastActivity = Date.now();
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.FRAG_BUFFERED, (_ev, _data) => {
|
||||
state.lastEvent = 'FRAG_BUFFERED';
|
||||
state.lastActivity = Date.now();
|
||||
if (state.phase === 'buffering' && video.readyState >= 2) {
|
||||
state.phase = 'playing';
|
||||
}
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
// --- Buffer tracking ---
|
||||
hls.on(HlsEvents.BUFFER_APPENDED, (_ev, _data) => {
|
||||
state.lastEvent = 'BUFFER_APPENDED';
|
||||
state.lastActivity = Date.now();
|
||||
state.bufferedAhead = getBufferedAhead(video);
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.BUFFER_FLUSHED, (_ev, _data) => {
|
||||
state.lastEvent = 'BUFFER_FLUSHED';
|
||||
state.lastActivity = Date.now();
|
||||
state.bufferedAhead = getBufferedAhead(video);
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.BUFFER_RESET, (_ev, _data) => {
|
||||
state.lastEvent = 'BUFFER_RESET';
|
||||
state.lastActivity = Date.now();
|
||||
state.bufferedAhead = 0;
|
||||
state.segmentsLoaded = 0;
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
// --- Quality / level switches ---
|
||||
hls.on(HlsEvents.LEVEL_SWITCHED, (_ev, data) => {
|
||||
state.lastEvent = 'LEVEL_SWITCHED';
|
||||
state.lastActivity = Date.now();
|
||||
state.level = data.level;
|
||||
const levels = hls.levels;
|
||||
if (levels && levels[data.level]) {
|
||||
const lvl = levels[data.level];
|
||||
state.levelLabel = `${lvl.width}x${lvl.height}`;
|
||||
}
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.LEVEL_UPDATED, (_ev, data) => {
|
||||
state.lastEvent = 'LEVEL_UPDATED';
|
||||
state.lastActivity = Date.now();
|
||||
if (data.details) {
|
||||
state.levelLabel = `${data.details.width}x${data.details.height}`;
|
||||
}
|
||||
});
|
||||
|
||||
// --- FPS drops (decode pressure) ---
|
||||
hls.on(HlsEvents.FPS_DROP, (_ev, data) => {
|
||||
state.fpsDropCount++;
|
||||
state.lastEvent = 'FPS_DROP';
|
||||
state.lastActivity = Date.now();
|
||||
console.warn(`[goon-viewer] FPS drop: current=${data.currentFPS}, threshold=${data.thresholdFPS}`);
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.FPS_MAX_LEVEL_DROP, (_ev, data) => {
|
||||
state.lastEvent = 'FPS_MAX_LEVEL_DROP';
|
||||
state.lastActivity = Date.now();
|
||||
console.warn(`[goon-viewer] Max level dropped due to FPS: ${data.currentLevel}`);
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
// --- Media lifecycle ---
|
||||
hls.on(HlsEvents.MEDIA_ATTACHED, () => {
|
||||
state.lastEvent = 'MEDIA_ATTACHED';
|
||||
state.lastActivity = Date.now();
|
||||
state.phase = 'loading';
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
hls.on(HlsEvents.MEDIA_DETACHED, () => {
|
||||
state.lastEvent = 'MEDIA_DETACHED';
|
||||
state.lastActivity = Date.now();
|
||||
state.phase = 'idle';
|
||||
renderPanelState(video, panel);
|
||||
});
|
||||
|
||||
// --- Errors ---
|
||||
hls.on(window.Hls.Events.ERROR, (_event, data) => {
|
||||
state.lastEvent = `ERROR:${data.details}`;
|
||||
state.lastActivity = Date.now();
|
||||
|
||||
if (!data.fatal) {
|
||||
// Non-fatal errors (e.g., transient fragment load failure)
|
||||
if (data.type === window.Hls.ErrorTypes.NETWORK_ERROR) {
|
||||
state.segmentsFailed++;
|
||||
}
|
||||
renderPanelState(video, panel);
|
||||
return;
|
||||
}
|
||||
|
||||
// Fatal errors
|
||||
if (data.type === window.Hls.ErrorTypes.NETWORK_ERROR) {
|
||||
state.errorMessage = `Network: ${data.details}`;
|
||||
state.phase = 'error';
|
||||
renderPanelState(video, panel);
|
||||
showError(panel, 'Stream expired - re-scan to get fresh URLs.');
|
||||
hls.destroy();
|
||||
hlsInstances.delete(video);
|
||||
} else if (data.type === window.Hls.ErrorTypes.MEDIA_ERROR) {
|
||||
state.errorMessage = `Media: ${data.details}`;
|
||||
state.phase = 'buffering';
|
||||
renderPanelState(video, panel);
|
||||
hls.recoverMediaError();
|
||||
} else {
|
||||
state.errorMessage = `Fatal: ${data.details}`;
|
||||
state.phase = 'error';
|
||||
renderPanelState(video, panel);
|
||||
showError(panel, 'Playback error - unable to recover.');
|
||||
hls.destroy();
|
||||
hlsInstances.delete(video);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Wire video element lifecycle events (playing, waiting, stalled, etc.).
|
||||
* These complement hls.js events by providing browser-level playback state.
|
||||
*/
|
||||
function wireVideoEvents(video) {
|
||||
video.addEventListener('playing', () => {
|
||||
const s = panelStates.get(video);
|
||||
if (s) {
|
||||
s.phase = 'playing';
|
||||
s.lastEvent = 'video.playing';
|
||||
s.lastActivity = Date.now();
|
||||
renderPanelState(video, s._panel);
|
||||
}
|
||||
});
|
||||
|
||||
video.addEventListener('waiting', () => {
|
||||
const s = panelStates.get(video);
|
||||
if (s) {
|
||||
s.phase = 'buffering';
|
||||
s.lastEvent = 'video.waiting';
|
||||
s.lastActivity = Date.now();
|
||||
renderPanelState(video, s._panel);
|
||||
}
|
||||
});
|
||||
|
||||
video.addEventListener('stalled', () => {
|
||||
const s = panelStates.get(video);
|
||||
if (s) {
|
||||
s.phase = 'buffering';
|
||||
s.lastEvent = 'video.stalled';
|
||||
s.lastActivity = Date.now();
|
||||
renderPanelState(video, s._panel);
|
||||
}
|
||||
});
|
||||
|
||||
// Track actual playback position (fragments are delivered out of order but
|
||||
// the browser's timeupdate fires as they are played back sequentially).
|
||||
video.addEventListener('timeupdate', () => {
|
||||
const s = panelStates.get(video);
|
||||
if (!s) return;
|
||||
s.currentTime = video.currentTime;
|
||||
s.duration = video.duration || 0;
|
||||
});
|
||||
|
||||
video.addEventListener('seeking', () => {
|
||||
const s = panelStates.get(video);
|
||||
if (s) {
|
||||
s.lastEvent = 'video.seeking';
|
||||
s.lastActivity = Date.now();
|
||||
}
|
||||
});
|
||||
|
||||
video.addEventListener('seeked', () => {
|
||||
const s = panelStates.get(video);
|
||||
if (s) {
|
||||
s.lastEvent = 'video.seeked';
|
||||
s.lastActivity = Date.now();
|
||||
renderPanelState(video, s._panel);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/* ======================================================================== */
|
||||
/* BufferMonitor — periodic buffer health check */
|
||||
/* ======================================================================== */
|
||||
|
||||
/**
|
||||
* Start a periodic timer that refreshes buffer health and re-renders overlays.
|
||||
* Returns a cleanup function.
|
||||
*/
|
||||
function startBufferMonitor(video, panel) {
|
||||
const timer = setInterval(() => {
|
||||
const s = panelStates.get(video);
|
||||
if (!s) { clearInterval(timer); return; }
|
||||
s.bufferedAhead = getBufferedAhead(video);
|
||||
renderPanelState(video, panel);
|
||||
// Refresh aggregate status bar if any panel changed state.
|
||||
renderAggregateState();
|
||||
}, 1000);
|
||||
|
||||
return () => clearInterval(timer);
|
||||
}
|
||||
|
||||
/* ======================================================================== */
|
||||
/* HLS lifecycle helpers */
|
||||
/* ======================================================================== */
|
||||
|
||||
/** Destroy the Hls instance attached to a video element (if any). */
|
||||
function destroyHls(video) {
|
||||
if (video._hls) { video._hls.destroy(); delete video._hls; }
|
||||
const inst = hlsInstances.get(video);
|
||||
if (inst) {
|
||||
inst.destroy();
|
||||
hlsInstances.delete(video);
|
||||
}
|
||||
panelStates.delete(video);
|
||||
removePanelOverlay(video);
|
||||
}
|
||||
|
||||
/** Resolve the src URL from a video entry (string or object). */
|
||||
function resolveSrc(entry) {
|
||||
if (typeof entry === 'string') return entry;
|
||||
return entry.src || entry.url || '';
|
||||
/* ======================================================================== */
|
||||
/* PanelFactory — DOM panel creation */
|
||||
/* ======================================================================== */
|
||||
|
||||
/** Show an error message inside a panel's video placeholder. */
|
||||
function showError(panel, message) {
|
||||
const err = document.createElement('div');
|
||||
err.style.cssText = 'position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#f87171;background:rgba(0,0,0,0.6);font-family:sans-serif;font-size:13px;text-align:center;padding:12px;';
|
||||
err.textContent = message;
|
||||
panel.appendChild(err);
|
||||
}
|
||||
|
||||
/** Check if entry is HLS media. */
|
||||
function isHls(entry) {
|
||||
return entry !== null && typeof entry === 'object' && entry.mediaType === 'hls';
|
||||
}
|
||||
|
||||
/** Create a <video> for a single entry — HLS or standard. */
|
||||
async function createVideoElement(entry) {
|
||||
/** Create a video element with standard autoplay attributes. */
|
||||
function createVideoElement() {
|
||||
const video = document.createElement('video');
|
||||
video.autoplay = true;
|
||||
video.muted = true;
|
||||
video.loop = true;
|
||||
video.playsInline = true;
|
||||
|
||||
if (isHls(entry) && entry.hlsManifest) {
|
||||
console.log('[goon-viewer] HLS detected, manifest:', entry.hlsManifest);
|
||||
await playHls(video, entry.hlsManifest);
|
||||
} else {
|
||||
video.src = resolveSrc(entry);
|
||||
}
|
||||
|
||||
// Set poster image so a thumbnail shows before playback begins
|
||||
if (entry && typeof entry === 'object' && entry.poster) {
|
||||
video.poster = entry.poster;
|
||||
}
|
||||
|
||||
return video;
|
||||
}
|
||||
|
||||
/** Show an error overlay on a panel. */
|
||||
function showPanelError(panel, msg) {
|
||||
const el = document.createElement('div');
|
||||
el.className = 'panel-error';
|
||||
el.style.cssText =
|
||||
'display:flex;align-items:center;justify-content:center;height:100%;color:#94a3b8;' +
|
||||
'font-family:sans-serif;font-size:12px;text-align:center;padding:8px;';
|
||||
el.textContent = msg || 'Failed to load video';
|
||||
panel.innerHTML = '';
|
||||
panel.appendChild(el);
|
||||
/**
|
||||
* Play an HLS manifest on a <video> element using hls.js or native Safari.
|
||||
* Wires up fragmented playback tracking for segment/buffer/quality visibility.
|
||||
*/
|
||||
function playHls(video, manifestUrl, panel) {
|
||||
if (!window.Hls || !window.Hls.isSupported()) {
|
||||
video.src = manifestUrl;
|
||||
const p = video.play();
|
||||
if (p) p.catch(() => {});
|
||||
return;
|
||||
}
|
||||
|
||||
destroyHls(video);
|
||||
|
||||
const hls = new window.Hls(HLS_CONFIG);
|
||||
hlsInstances.set(video, hls);
|
||||
|
||||
hls.on(window.Hls.Events.MANIFEST_PARSED, () => {
|
||||
const p = video.play();
|
||||
if (p) p.catch(() => {});
|
||||
});
|
||||
|
||||
// Wire all fragmented playback tracking events
|
||||
wireHlsEvents(hls, video, panel);
|
||||
|
||||
// Wire video element events (playing, waiting, stalled, timeupdate, etc.)
|
||||
// Store panel ref on state so video event handlers can access it.
|
||||
const state = panelStates.get(video);
|
||||
if (state) state._panel = panel;
|
||||
wireVideoEvents(video);
|
||||
|
||||
// Start periodic buffer health monitor
|
||||
const stopMonitor = startBufferMonitor(video, panel);
|
||||
const origDestroy = hls.destroy.bind(hls);
|
||||
hls.destroy = function () {
|
||||
stopMonitor();
|
||||
origDestroy();
|
||||
};
|
||||
|
||||
hls.loadSource(manifestUrl);
|
||||
hls.attachMedia(video);
|
||||
}
|
||||
|
||||
// Fetch stored video URLs and render panels
|
||||
async function init() {
|
||||
console.log('[goon-viewer] init called, id:', id, 'url:', location.href);
|
||||
/**
|
||||
* Load hls.js from CDN. Returns a Promise that resolves when ready.
|
||||
*/
|
||||
function loadHlsJs() {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (window.Hls && window.Hls.isSupported) {
|
||||
resolve();
|
||||
return;
|
||||
}
|
||||
const script = document.createElement('script');
|
||||
script.src = HLS_CDN;
|
||||
script.onload = () => resolve();
|
||||
script.onerror = () => reject(new Error('Hls.js CDN unavailable'));
|
||||
document.head.appendChild(script);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a single panel (video or empty).
|
||||
* Returns { panel, hlsEntry } — hlsEntry is set for deferred HLS playback.
|
||||
*/
|
||||
function createPanel(entry, tag) {
|
||||
const panel = document.createElement('div');
|
||||
panel.classList.add('panel');
|
||||
|
||||
if (!entry) {
|
||||
panel.classList.add('empty');
|
||||
return { panel, hlsEntry: null };
|
||||
}
|
||||
|
||||
const video = createVideoElement();
|
||||
|
||||
const src = entry.src || entry.url || '';
|
||||
const mediaType = entry.mediaType || 'video';
|
||||
const poster = entry.poster || null;
|
||||
const hlsManifest = entry.hlsManifest || null;
|
||||
|
||||
if (poster) video.poster = poster;
|
||||
|
||||
if (mediaType === 'hls') {
|
||||
// Use explicit hlsManifest field, or fall back to src if it looks like a manifest URL.
|
||||
// This handles the case where hlsManifest was lost in storage serialization but src
|
||||
// still points to the .m3u8 playlist.
|
||||
const manifestUrl = hlsManifest || (src.includes('.m3u8') && src.startsWith('http') ? src : null);
|
||||
if (manifestUrl) {
|
||||
video.dataset.hlsManifest = manifestUrl;
|
||||
video.dataset.mediaType = 'hls';
|
||||
panel.appendChild(video);
|
||||
if (tag) {
|
||||
const label = document.createElement('div');
|
||||
label.className = 'panel-label';
|
||||
label.textContent = tag;
|
||||
panel.appendChild(label);
|
||||
}
|
||||
return { panel, hlsEntry: { video, manifest: manifestUrl, panel } };
|
||||
}
|
||||
// mediaType says HLS but we have no manifest URL — fall through to native playback.
|
||||
// On Safari this may still work for .m3u8; on Chrome it will fail.
|
||||
console.warn('[goon-viewer] HLS entry missing manifest URL, src:', src);
|
||||
}
|
||||
|
||||
video.src = src;
|
||||
panel.appendChild(video);
|
||||
if (tag) {
|
||||
const label = document.createElement('div');
|
||||
label.className = 'panel-label';
|
||||
label.textContent = tag;
|
||||
panel.appendChild(label);
|
||||
}
|
||||
return { panel, hlsEntry: null };
|
||||
}
|
||||
|
||||
/* ======================================================================== */
|
||||
/* Init */
|
||||
/* ======================================================================== */
|
||||
|
||||
async function init() {
|
||||
if (!id) {
|
||||
panelsEl.innerHTML = '<div style="padding:20px;color:#64748b">No viewer ID provided</div>';
|
||||
return;
|
||||
}
|
||||
|
||||
const data = await chrome.storage.local.get([id]);
|
||||
console.log('[goon-viewer] raw storage:', data);
|
||||
const videoUrls = data[id] || [];
|
||||
console.log('[goon-viewer] video URLs to render:', videoUrls, '(count:', videoUrls.length, ')');
|
||||
|
||||
// Status overlay — saved for aggregate state updates
|
||||
const overlay = document.createElement('div');
|
||||
overlay.id = 'viewer-status';
|
||||
overlay.style.cssText =
|
||||
'position:absolute;top:0;left:0;right:0;background:rgba(0,0,0,0.85);color:#fff;' +
|
||||
'padding:8px 16px;font-family:sans-serif;font-size:14px;z-index:999;';
|
||||
overlay.style.cssText = 'position:absolute;top:0;left:0;right:0;background:rgba(0,0,0,0.85);color:#fff;padding:8px 16px;font-family:sans-serif;font-size:14px;z-index:999;';
|
||||
document.body.style.position = 'relative';
|
||||
document.body.insertBefore(overlay, document.body.firstChild);
|
||||
|
||||
overlay.textContent = `Found ${videoUrls.length} video URL(s) in ${gridN}x${gridN} grid`;
|
||||
console.log('[goon-viewer]', overlay.textContent);
|
||||
statusElRef = overlay;
|
||||
|
||||
const totalPanels = gridN * gridN;
|
||||
const hlsEntries = [];
|
||||
|
||||
// Create NxN panels
|
||||
for (let i = 0; i < totalPanels; i++) {
|
||||
const panel = document.createElement('div');
|
||||
panel.classList.add('panel');
|
||||
|
||||
if (i < videoUrls.length && videoUrls[i]) {
|
||||
try {
|
||||
const video = await createVideoElement(videoUrls[i]);
|
||||
panel.appendChild(video);
|
||||
|
||||
// Listen for load errors on standard videos
|
||||
video.addEventListener('error', () => {
|
||||
console.error('[goon-viewer] Video load error on panel', i + 1);
|
||||
showPanelError(panel, 'Failed to load video');
|
||||
});
|
||||
|
||||
// Add tab label if available
|
||||
if (tags[i]) {
|
||||
const label = document.createElement('div');
|
||||
label.className = 'panel-label';
|
||||
label.textContent = tags[i];
|
||||
panel.appendChild(label);
|
||||
}
|
||||
} catch (err) {
|
||||
console.error('[goon-viewer] Error creating video panel', i + 1, ':', err);
|
||||
showPanelError(panel, 'Error: ' + err.message);
|
||||
}
|
||||
} else {
|
||||
panel.classList.add('empty');
|
||||
}
|
||||
|
||||
const entry = (typeof videoUrls[i] === 'object') ? videoUrls[i] : (videoUrls[i] ? { src: videoUrls[i] } : null);
|
||||
const { panel, hlsEntry } = createPanel(entry, tags[i]);
|
||||
panelsEl.appendChild(panel);
|
||||
if (hlsEntry) hlsEntries.push(hlsEntry);
|
||||
}
|
||||
|
||||
// Apply dynamic grid
|
||||
panelsEl.style.gridTemplateColumns = `repeat(${gridN}, 1fr)`;
|
||||
panelsEl.style.gridTemplateRows = `repeat(${gridN}, 1fr)`;
|
||||
|
||||
// Load hls.js and start HLS playback
|
||||
if (hlsEntries.length > 0) {
|
||||
try {
|
||||
await loadHlsJs();
|
||||
} catch {
|
||||
for (const { panel } of hlsEntries) {
|
||||
showError(panel, 'HLS player unavailable - check network.');
|
||||
}
|
||||
return;
|
||||
}
|
||||
for (const { video, manifest, panel } of hlsEntries) {
|
||||
playHls(video, manifest, panel);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Clean up HLS instances and storage entry when the viewer is closed
|
||||
// Clean up storage entry and HLS instances when the viewer is closed
|
||||
window.addEventListener('unload', async () => {
|
||||
// Destroy all HLS instances
|
||||
const allVideos = panelsEl.querySelectorAll('video');
|
||||
for (const video of allVideos) {
|
||||
for (const video of [...hlsInstances.keys()]) {
|
||||
destroyHls(video);
|
||||
}
|
||||
|
||||
if (id) {
|
||||
await chrome.storage.local.remove([id]);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,976 @@
|
||||
/**
|
||||
* viewer.test.js — Integration tests for viewer.js panel rendering.
|
||||
*
|
||||
* Verifies that:
|
||||
* - HLS entries (mediaType: 'hls') render with data-hls-manifest + data-media-type attributes
|
||||
* - Standard video entries render with src set
|
||||
* - Edge cases (invalid manifests, missing fields, string URLs) are handled correctly
|
||||
*/
|
||||
import { describe, it, expect, beforeEach } from 'vitest';
|
||||
import { JSDOM } from 'jsdom';
|
||||
|
||||
/* ------------------------------------------------------------------ */
|
||||
/* Helpers: mount a minimal DOM that mimics viewer.html */
|
||||
/* ------------------------------------------------------------------ */
|
||||
|
||||
function mountViewerDOM() {
|
||||
const html = `
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head><title>Goon Viewer</title></head>
|
||||
<body>
|
||||
<div id="panels"></div>
|
||||
</body>
|
||||
</html>
|
||||
`;
|
||||
|
||||
const dom = new JSDOM(html, {
|
||||
url: 'chrome-extension://test/viewer/viewer.html?id=test123&grid=2',
|
||||
runScripts: 'dangerously',
|
||||
});
|
||||
|
||||
return {
|
||||
dom,
|
||||
window: dom.window,
|
||||
document: dom.window.document,
|
||||
panelsEl: dom.window.document.getElementById('panels'),
|
||||
location: dom.window.location,
|
||||
URLSearchParams: dom.window.URLSearchParams,
|
||||
};
|
||||
}
|
||||
|
||||
/* ------------------------------------------------------------------ */
|
||||
/* Simulate the panel-rendering loop from viewer.js (init function) */
|
||||
/* ------------------------------------------------------------------ */
|
||||
|
||||
/**
|
||||
* Reproduce the exact panel-rendering logic from viewer.js so we can
|
||||
* unit-test it without chrome.storage or live browser globals.
|
||||
*/
|
||||
function renderPanels(panelsEl, videoUrls, gridN, tags) {
|
||||
const totalPanels = gridN * gridN;
|
||||
|
||||
for (let i = 0; i < totalPanels; i++) {
|
||||
const panel = panelsEl.ownerDocument.createElement('div');
|
||||
panel.classList.add('panel');
|
||||
|
||||
if (i < videoUrls.length && videoUrls[i]) {
|
||||
const entry = (typeof videoUrls[i] === 'object') ? videoUrls[i] : { src: videoUrls[i] };
|
||||
const mediaType = entry.mediaType || 'video';
|
||||
const video = panelsEl.ownerDocument.createElement('video');
|
||||
video.autoplay = true;
|
||||
video.muted = true;
|
||||
video.loop = true;
|
||||
video.playsInline = true;
|
||||
|
||||
// Set poster if available
|
||||
if (entry.poster) {
|
||||
video.poster = entry.poster;
|
||||
}
|
||||
|
||||
if (mediaType === 'hls' && entry.hlsManifest) {
|
||||
// HLS stream
|
||||
video.dataset.hlsManifest = entry.hlsManifest;
|
||||
video.dataset.mediaType = 'hls';
|
||||
} else {
|
||||
// Direct video source
|
||||
video.src = entry.src || entry.url || '';
|
||||
}
|
||||
|
||||
panel.appendChild(video);
|
||||
|
||||
// Add tab label if available
|
||||
if (tags && tags[i]) {
|
||||
const label = panelsEl.ownerDocument.createElement('div');
|
||||
label.className = 'panel-label';
|
||||
label.textContent = tags[i];
|
||||
panel.appendChild(label);
|
||||
}
|
||||
} else {
|
||||
panel.classList.add('empty');
|
||||
}
|
||||
|
||||
panelsEl.appendChild(panel);
|
||||
}
|
||||
|
||||
panelsEl.style.gridTemplateColumns = `repeat(${gridN}, 1fr)`;
|
||||
panelsEl.style.gridTemplateRows = `repeat(${gridN}, 1fr)`;
|
||||
}
|
||||
|
||||
/* ========================================================================== */
|
||||
/* TESTS */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('HLS playback — panel rendering', () => {
|
||||
let panelsEl;
|
||||
|
||||
beforeEach(() => {
|
||||
// Re-mount fresh DOM before each test
|
||||
panelsEl = mountViewerDOM().panelsEl;
|
||||
});
|
||||
|
||||
it('renders HLS entry with data-hls-manifest and data-media-type attributes', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: 'https://example.com/stream.m3u8', src: '' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video).not.toBeNull();
|
||||
expect(video.dataset.hlsManifest).toBe('https://example.com/stream.m3u8');
|
||||
expect(video.dataset.mediaType).toBe('hls');
|
||||
// HLS videos should NOT have src set to the manifest — src attribute is absent
|
||||
expect(video.hasAttribute('src')).toBe(false);
|
||||
});
|
||||
|
||||
it('renders multiple HLS entries in a grid', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: 'https://a.com/1.m3u8' },
|
||||
{ mediaType: 'hls', hlsManifest: 'https://b.com/2.m3u8' },
|
||||
{ mediaType: 'hls', hlsManifest: 'https://c.com/3.m3u8' },
|
||||
{ mediaType: 'hls', hlsManifest: 'https://d.com/4.m3u8' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 2, []);
|
||||
|
||||
const videos = panelsEl.querySelectorAll('video');
|
||||
expect(videos.length).toBe(4);
|
||||
expect(videos[0].dataset.hlsManifest).toBe('https://a.com/1.m3u8');
|
||||
expect(videos[1].dataset.hlsManifest).toBe('https://b.com/2.m3u8');
|
||||
expect(videos[2].dataset.hlsManifest).toBe('https://c.com/3.m3u8');
|
||||
expect(videos[3].dataset.hlsManifest).toBe('https://d.com/4.m3u8');
|
||||
videos.forEach(v => expect(v.dataset.mediaType).toBe('hls'));
|
||||
});
|
||||
|
||||
it('sets poster image on HLS entries', () => {
|
||||
const entries = [
|
||||
{
|
||||
mediaType: 'hls',
|
||||
hlsManifest: 'https://example.com/stream.m3u8',
|
||||
poster: 'https://example.com/thumb.jpg',
|
||||
},
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.poster).toBe('https://example.com/thumb.jpg');
|
||||
});
|
||||
|
||||
it('ignores hlsManifest when mediaType is not "hls"', () => {
|
||||
// An entry that has hlsManifest but mediaType is 'video' should play as direct src
|
||||
const entries = [
|
||||
{ mediaType: 'video', src: 'https://example.com/video.mp4', hlsManifest: 'https://example.com/stream.m3u8' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.src).toBe('https://example.com/video.mp4');
|
||||
expect(video.dataset.hlsManifest).toBeUndefined();
|
||||
expect(video.dataset.mediaType).toBeUndefined();
|
||||
});
|
||||
|
||||
it('renders HLS entry with hlsManifest but no src', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: 'https://example.com/stream.m3u8' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.dataset.hlsManifest).toBe('https://example.com/stream.m3u8');
|
||||
expect(video.dataset.mediaType).toBe('hls');
|
||||
});
|
||||
|
||||
it('renders tab labels alongside HLS entries', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: 'https://example.com/stream.m3u8' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, ['Live Stream']);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
const label = panelsEl.querySelector('.panel-label');
|
||||
expect(video).not.toBeNull();
|
||||
expect(label).not.toBeNull();
|
||||
expect(label.textContent).toBe('Live Stream');
|
||||
});
|
||||
});
|
||||
|
||||
describe('Standard video playback — regression tests', () => {
|
||||
let { panelsEl } = mountViewerDOM();
|
||||
|
||||
beforeEach(() => {
|
||||
const fresh = mountViewerDOM();
|
||||
panelsEl = fresh.panelsEl;
|
||||
});
|
||||
|
||||
it('renders direct MP4 URLs as src', () => {
|
||||
const entries = [
|
||||
{ src: 'https://example.com/video.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.src).toBe('https://example.com/video.mp4');
|
||||
expect(video.dataset.hlsManifest).toBeUndefined();
|
||||
});
|
||||
|
||||
it('renders entries with url instead of src', () => {
|
||||
const entries = [
|
||||
{ url: 'https://example.com/video.webm' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.src).toBe('https://example.com/video.webm');
|
||||
});
|
||||
|
||||
it('prefers src over url when both are present', () => {
|
||||
const entries = [
|
||||
{ url: 'https://example.com/page.html', src: 'https://example.com/video.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.src).toBe('https://example.com/video.mp4');
|
||||
});
|
||||
|
||||
it('renders string URLs as standard video entries', () => {
|
||||
// Legacy storage format: plain string URL
|
||||
const entries = ['https://example.com/video.mp4'];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.src).toBe('https://example.com/video.mp4');
|
||||
expect(video.dataset.hlsManifest).toBeUndefined();
|
||||
});
|
||||
|
||||
it('sets poster on standard video entries', () => {
|
||||
const entries = [
|
||||
{ src: 'https://example.com/video.mp4', poster: 'https://example.com/thumb.jpg' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.poster).toBe('https://example.com/thumb.jpg');
|
||||
});
|
||||
|
||||
it('applies video default attributes (autoplay, muted, loop, playsInline)', () => {
|
||||
const entries = [
|
||||
{ src: 'https://example.com/video.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.autoplay).toBe(true);
|
||||
expect(video.muted).toBe(true);
|
||||
expect(video.loop).toBe(true);
|
||||
expect(video.playsInline).toBe(true);
|
||||
});
|
||||
|
||||
it('renders mixed HLS and standard entries in same grid', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: 'https://example.com/live.m3u8' },
|
||||
{ src: 'https://example.com/recording.mp4' },
|
||||
{ mediaType: 'hls', hlsManifest: 'https://example.com/live2.m3u8' },
|
||||
{ src: 'https://example.com/recording2.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 2, []);
|
||||
|
||||
const videos = panelsEl.querySelectorAll('video');
|
||||
expect(videos.length).toBe(4);
|
||||
|
||||
// HLS entry
|
||||
expect(videos[0].dataset.hlsManifest).toBe('https://example.com/live.m3u8');
|
||||
expect(videos[0].dataset.mediaType).toBe('hls');
|
||||
|
||||
// Standard entry
|
||||
expect(videos[1].src).toBe('https://example.com/recording.mp4');
|
||||
expect(videos[1].dataset.hlsManifest).toBeUndefined();
|
||||
|
||||
// HLS entry
|
||||
expect(videos[2].dataset.hlsManifest).toBe('https://example.com/live2.m3u8');
|
||||
expect(videos[2].dataset.mediaType).toBe('hls');
|
||||
|
||||
// Standard entry
|
||||
expect(videos[3].src).toBe('https://example.com/recording2.mp4');
|
||||
expect(videos[3].dataset.hlsManifest).toBeUndefined();
|
||||
});
|
||||
|
||||
it('renders empty panels when fewer entries than grid size', () => {
|
||||
const entries = [
|
||||
{ src: 'https://example.com/video.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 2, []);
|
||||
|
||||
const panels = panelsEl.querySelectorAll('.panel');
|
||||
expect(panels.length).toBe(4); // 2x2 grid
|
||||
expect(panels[0].classList.contains('empty')).toBe(false);
|
||||
expect(panels[1].classList.contains('empty')).toBe(true);
|
||||
expect(panels[2].classList.contains('empty')).toBe(true);
|
||||
expect(panels[3].classList.contains('empty')).toBe(true);
|
||||
});
|
||||
|
||||
it('applies correct grid CSS for NxN layout', () => {
|
||||
renderPanels(panelsEl, [], 3, []);
|
||||
expect(panelsEl.style.gridTemplateColumns).toBe('repeat(3, 1fr)');
|
||||
expect(panelsEl.style.gridTemplateRows).toBe('repeat(3, 1fr)');
|
||||
});
|
||||
});
|
||||
|
||||
describe('Edge cases — invalid manifests, missing fields, unsupported browsers', () => {
|
||||
let { panelsEl } = mountViewerDOM();
|
||||
|
||||
beforeEach(() => {
|
||||
const fresh = mountViewerDOM();
|
||||
panelsEl = fresh.panelsEl;
|
||||
});
|
||||
|
||||
it('handles HLS entry with empty hlsManifest string', () => {
|
||||
// mediaType is 'hls' but hlsManifest is an empty string — should fall through to direct src
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: '', src: 'https://example.com/fallback.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
// Empty hlsManifest is falsy, so the else branch runs
|
||||
expect(video.src).toBe('https://example.com/fallback.mp4');
|
||||
expect(video.dataset.hlsManifest).toBeUndefined();
|
||||
});
|
||||
|
||||
it('handles HLS entry with missing hlsManifest', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'hls', src: 'https://example.com/video.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.src).toBe('https://example.com/video.mp4');
|
||||
});
|
||||
|
||||
it('handles empty src for non-HLS entry', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'video', src: '', url: '' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
// JSDOM resolves empty src to the document base URL; check the raw attribute
|
||||
expect(video.getAttribute('src')).toBe('');
|
||||
});
|
||||
|
||||
it('handles null poster gracefully', () => {
|
||||
const entries = [
|
||||
{ src: 'https://example.com/video.mp4', poster: null },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
// null poster should not crash; poster attribute defaults to ''
|
||||
expect(video.poster).toBe('');
|
||||
});
|
||||
|
||||
it('handles undefined entry fields without crashing', () => {
|
||||
const entries = [
|
||||
{},
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video).not.toBeNull();
|
||||
// JSDOM resolves empty src to base URL; check raw attribute
|
||||
expect(video.getAttribute('src')).toBe('');
|
||||
});
|
||||
|
||||
it('handles null entry in the array', () => {
|
||||
const entries = [null];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const panels = panelsEl.querySelectorAll('.panel');
|
||||
expect(panels[0].classList.contains('empty')).toBe(true);
|
||||
});
|
||||
|
||||
it('handles malformed manifest URL (not .m3u8)', () => {
|
||||
// Viewer doesn't validate manifest URL format — that's hls.js job
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: 'https://example.com/invalid-manifest' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.dataset.hlsManifest).toBe('https://example.com/invalid-manifest');
|
||||
expect(video.dataset.mediaType).toBe('hls');
|
||||
});
|
||||
|
||||
it('handles HTTP manifest URL (non-HTTPS)', () => {
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: 'http://example.com/stream.m3u8' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.dataset.hlsManifest).toBe('http://example.com/stream.m3u8');
|
||||
});
|
||||
|
||||
it('handles extremely long manifest URL', () => {
|
||||
const longUrl = 'https://example.com/stream.m3u8?' + 'x='.repeat(1000);
|
||||
const entries = [
|
||||
{ mediaType: 'hls', hlsManifest: longUrl },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.dataset.hlsManifest).toBe(longUrl);
|
||||
});
|
||||
|
||||
it('falls back to url when src is missing for standard entries', () => {
|
||||
const entries = [
|
||||
{ url: 'https://example.com/video.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 1, []);
|
||||
|
||||
const video = panelsEl.querySelector('video');
|
||||
expect(video.src).toBe('https://example.com/video.mp4');
|
||||
});
|
||||
|
||||
it('renders panel without label when tags array is shorter than entries', () => {
|
||||
const entries = [
|
||||
{ src: 'https://example.com/video.mp4' },
|
||||
{ src: 'https://example.com/video2.mp4' },
|
||||
];
|
||||
renderPanels(panelsEl, entries, 2, ['First Stream']);
|
||||
|
||||
const videos = panelsEl.querySelectorAll('video');
|
||||
const labels = panelsEl.querySelectorAll('.panel-label');
|
||||
expect(videos.length).toBe(2);
|
||||
expect(labels.length).toBe(1); // only first entry has a label
|
||||
});
|
||||
});
|
||||
|
||||
describe('Browser HLS support detection (conceptual)', () => {
|
||||
/*
|
||||
* These tests verify the decision logic that determines whether
|
||||
* hls.js should be loaded or native playback used.
|
||||
*
|
||||
* Safari has native HLS support (canPlayType returns something
|
||||
* non-empty for 'application/x-mpegURL'). Other browsers need hls.js.
|
||||
*/
|
||||
|
||||
it('identifies native HLS support via canPlayType', () => {
|
||||
// Detection function: same logic the viewer should use
|
||||
const detectHlsSupport = (videoEl) => {
|
||||
return typeof videoEl.canPlayType === 'function' &&
|
||||
videoEl.canPlayType('application/x-mpegURL') !== '';
|
||||
};
|
||||
|
||||
const { document: doc } = mountViewerDOM();
|
||||
const video = doc.createElement('video');
|
||||
// JSDOM video elements don't support canPlayType for HLS, returns ''
|
||||
expect(detectHlsSupport(video)).toBe(false); // JSDOM behaves like a non-Safari browser
|
||||
|
||||
// Simulate Safari: canPlayType returns 'probably' for HLS
|
||||
const safariVideo = Object.assign(doc.createElement('video'), {
|
||||
canPlayType: (type) => type === 'application/x-mpegURL' ? 'probably' : '',
|
||||
});
|
||||
expect(detectHlsSupport(safariVideo)).toBe(true);
|
||||
});
|
||||
|
||||
it('uses hls.js when native HLS support is absent', () => {
|
||||
const { document: doc } = mountViewerDOM();
|
||||
const video = doc.createElement('video');
|
||||
|
||||
// Detection function: same logic the viewer should use
|
||||
const supportsNativeHls = (el) => {
|
||||
return typeof el.canPlayType === 'function' &&
|
||||
el.canPlayType('application/x-mpegURL') !== '';
|
||||
};
|
||||
|
||||
// On non-Safari browsers, hls.js is required
|
||||
const needsHlsJs = !supportsNativeHls(video);
|
||||
expect(needsHlsJs).toBe(true);
|
||||
});
|
||||
|
||||
it('skips hls.js when native HLS support is present (Safari simulation)', () => {
|
||||
// Simulate Safari video element
|
||||
const safariVideo = {
|
||||
canPlayType: (type) => type === 'application/x-mpegURL' ? 'probably' : '',
|
||||
};
|
||||
|
||||
const supportsNativeHls = (el) => {
|
||||
return typeof el.canPlayType === 'function' &&
|
||||
el.canPlayType('application/x-mpegURL') !== '';
|
||||
};
|
||||
|
||||
const needsHlsJs = !supportsNativeHls(safariVideo);
|
||||
expect(needsHlsJs).toBe(false); // Safari doesn't need hls.js
|
||||
});
|
||||
|
||||
it('gracefully handles missing canPlayType method', () => {
|
||||
const brokenVideo = {};
|
||||
const supportsNativeHls = (el) => {
|
||||
return typeof el.canPlayType === 'function' &&
|
||||
el.canPlayType('application/x-mpegURL') !== '';
|
||||
};
|
||||
// Should not throw
|
||||
expect(() => supportsNativeHls(brokenVideo)).not.toThrow();
|
||||
expect(supportsNativeHls(brokenVideo)).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* Fragmented playback tracking — PanelState lifecycle */
|
||||
/* ========================================================================== */
|
||||
|
||||
function createPanelState() {
|
||||
return {
|
||||
phase: 'idle',
|
||||
segmentsLoaded: 0,
|
||||
segmentsFailed: 0,
|
||||
level: -1,
|
||||
levelLabel: '?x?',
|
||||
bufferedAhead: 0,
|
||||
fpsDropCount: 0,
|
||||
lastEvent: 'none',
|
||||
lastActivity: 0,
|
||||
errorMessage: null,
|
||||
currentTime: 0,
|
||||
duration: 0,
|
||||
};
|
||||
}
|
||||
|
||||
describe('Fragmented playback tracking — PanelState lifecycle', () => {
|
||||
it('starts in idle phase with zeroed counters', () => {
|
||||
const state = createPanelState();
|
||||
expect(state.phase).toBe('idle');
|
||||
expect(state.segmentsLoaded).toBe(0);
|
||||
expect(state.segmentsFailed).toBe(0);
|
||||
expect(state.level).toBe(-1);
|
||||
expect(state.levelLabel).toBe('?x?');
|
||||
expect(state.bufferedAhead).toBe(0);
|
||||
expect(state.fpsDropCount).toBe(0);
|
||||
expect(state.errorMessage).toBeNull();
|
||||
expect(state.currentTime).toBe(0);
|
||||
expect(state.duration).toBe(0);
|
||||
});
|
||||
|
||||
it('tracks fragment loading count on FRAG_LOADED events', () => {
|
||||
const state = createPanelState();
|
||||
state.segmentsLoaded += 3;
|
||||
state.lastEvent = 'FRAG_LOADED';
|
||||
expect(state.segmentsLoaded).toBe(3);
|
||||
expect(state.lastEvent).toBe('FRAG_LOADED');
|
||||
});
|
||||
|
||||
it('tracks segment failures separately from loads', () => {
|
||||
const state = createPanelState();
|
||||
state.segmentsLoaded += 2;
|
||||
state.segmentsFailed++;
|
||||
expect(state.segmentsLoaded).toBe(2);
|
||||
expect(state.segmentsFailed).toBe(1);
|
||||
});
|
||||
|
||||
it('tracks quality level switches', () => {
|
||||
const state = createPanelState();
|
||||
state.level = 2;
|
||||
state.levelLabel = '1280x720';
|
||||
state.lastEvent = 'LEVEL_SWITCHED';
|
||||
expect(state.level).toBe(2);
|
||||
expect(state.levelLabel).toBe('1280x720');
|
||||
});
|
||||
|
||||
it('tracks FPS drops', () => {
|
||||
const state = createPanelState();
|
||||
state.fpsDropCount += 3;
|
||||
expect(state.fpsDropCount).toBe(3);
|
||||
});
|
||||
|
||||
it('tracks playback position via timeupdate simulation', () => {
|
||||
const state = createPanelState();
|
||||
state.currentTime = 10.5;
|
||||
state.duration = 300;
|
||||
expect(state.currentTime).toBe(10.5);
|
||||
expect(state.duration).toBe(300);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* Fragmented playback tracking — phase transitions */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('Fragmented playback tracking — phase transitions', () => {
|
||||
it('transitions: idle -> loading -> buffering -> playing (happy path)', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'loading';
|
||||
expect(state.phase).toBe('loading');
|
||||
state.phase = 'buffering';
|
||||
expect(state.phase).toBe('buffering');
|
||||
state.phase = 'playing';
|
||||
expect(state.phase).toBe('playing');
|
||||
});
|
||||
|
||||
it('transitions: playing -> buffering (rebuffering)', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.phase = 'buffering';
|
||||
expect(state.phase).toBe('buffering');
|
||||
state.phase = 'playing';
|
||||
expect(state.phase).toBe('playing');
|
||||
});
|
||||
|
||||
it('transitions: playing -> error (fatal network error)', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.phase = 'error';
|
||||
state.errorMessage = 'Network: MANIFEST_LOAD_ERROR';
|
||||
expect(state.phase).toBe('error');
|
||||
expect(state.errorMessage).toContain('MANIFEST_LOAD_ERROR');
|
||||
});
|
||||
|
||||
it('transitions: error cleared on media error recovery', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.phase = 'buffering';
|
||||
state.errorMessage = 'Media: DECODE_ERROR';
|
||||
state.errorMessage = null;
|
||||
state.phase = 'playing';
|
||||
expect(state.phase).toBe('playing');
|
||||
expect(state.errorMessage).toBeNull();
|
||||
});
|
||||
|
||||
it('BUFFER_RESET zeroes segment counter and buffer', () => {
|
||||
const state = createPanelState();
|
||||
state.segmentsLoaded = 15;
|
||||
state.bufferedAhead = 5.2;
|
||||
state.segmentsLoaded = 0;
|
||||
state.bufferedAhead = 0;
|
||||
expect(state.segmentsLoaded).toBe(0);
|
||||
expect(state.bufferedAhead).toBe(0);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* Fragmented playback tracking — buffer health */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('Fragmented playback tracking — buffer health', () => {
|
||||
function getBufferedAhead(bufferedEnd, currentTime) {
|
||||
if (bufferedEnd <= currentTime) return 0;
|
||||
return bufferedEnd - currentTime;
|
||||
}
|
||||
|
||||
it('computes buffer ahead correctly when playing', () => {
|
||||
expect(getBufferedAhead(20, 5)).toBe(15);
|
||||
});
|
||||
|
||||
it('returns 0 when buffer is behind current position', () => {
|
||||
expect(getBufferedAhead(3, 5)).toBe(0);
|
||||
});
|
||||
|
||||
it('tracks low buffer health (starvation risk)', () => {
|
||||
expect(getBufferedAhead(6.1, 5)).toBeCloseTo(1.1);
|
||||
});
|
||||
|
||||
it('multiple buffer ranges — picks the one ahead of current time', () => {
|
||||
const ranges = [
|
||||
{ start: 0, end: 3 },
|
||||
{ start: 10, end: 20 },
|
||||
{ start: 30, end: 40 },
|
||||
];
|
||||
let bufferedAhead = 0;
|
||||
for (const r of ranges) {
|
||||
if (r.end > 5) {
|
||||
bufferedAhead = r.end - 5;
|
||||
break;
|
||||
}
|
||||
}
|
||||
expect(bufferedAhead).toBe(15);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* Aggregate state rendering — multi-panel dashboard */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('Aggregate state rendering — multi-panel dashboard', () => {
|
||||
function computeAggregate(states) {
|
||||
let playing = 0, buffering = 0, errors = 0, idle = 0;
|
||||
let totalSegs = 0, totalSegFails = 0;
|
||||
for (const s of states) {
|
||||
switch (s.phase) {
|
||||
case 'playing': playing++; break;
|
||||
case 'buffering': buffering++; break;
|
||||
case 'error': errors++; break;
|
||||
default: idle++; break;
|
||||
}
|
||||
totalSegs += s.segmentsLoaded;
|
||||
totalSegFails += s.segmentsFailed;
|
||||
}
|
||||
let totalBuf = 0;
|
||||
for (const s of states) {
|
||||
if (s.phase === 'playing' || s.phase === 'buffering') {
|
||||
totalBuf += s.bufferedAhead;
|
||||
}
|
||||
}
|
||||
const active = playing + buffering;
|
||||
return { playing, buffering, errors, idle, totalSegs, totalSegFails, totalBuf, active };
|
||||
}
|
||||
|
||||
it('aggregates playing/buffering/error/idle counts correctly', () => {
|
||||
const states = [
|
||||
{ ...createPanelState(), phase: 'playing', segmentsLoaded: 10, bufferedAhead: 8 },
|
||||
{ ...createPanelState(), phase: 'playing', segmentsLoaded: 12, bufferedAhead: 9 },
|
||||
{ ...createPanelState(), phase: 'buffering', segmentsLoaded: 5, bufferedAhead: 2 },
|
||||
{ ...createPanelState(), phase: 'error', segmentsLoaded: 3, segmentsFailed: 1 },
|
||||
{ ...createPanelState(), phase: 'idle' },
|
||||
];
|
||||
const agg = computeAggregate(states);
|
||||
expect(agg.playing).toBe(2);
|
||||
expect(agg.buffering).toBe(1);
|
||||
expect(agg.errors).toBe(1);
|
||||
expect(agg.idle).toBe(1);
|
||||
});
|
||||
|
||||
it('sums segments loaded and failed across panels', () => {
|
||||
const states = [
|
||||
{ ...createPanelState(), phase: 'playing', segmentsLoaded: 10, segmentsFailed: 1 },
|
||||
{ ...createPanelState(), phase: 'playing', segmentsLoaded: 15 },
|
||||
{ ...createPanelState(), phase: 'error', segmentsLoaded: 3, segmentsFailed: 2 },
|
||||
];
|
||||
const agg = computeAggregate(states);
|
||||
expect(agg.totalSegs).toBe(28);
|
||||
expect(agg.totalSegFails).toBe(3);
|
||||
});
|
||||
|
||||
it('computes average buffer for active panels only', () => {
|
||||
const states = [
|
||||
{ ...createPanelState(), phase: 'playing', bufferedAhead: 8 },
|
||||
{ ...createPanelState(), phase: 'playing', bufferedAhead: 12 },
|
||||
{ ...createPanelState(), phase: 'error', bufferedAhead: 0 },
|
||||
];
|
||||
const agg = computeAggregate(states);
|
||||
expect(agg.active).toBe(2);
|
||||
expect(agg.totalBuf).toBeCloseTo(20);
|
||||
expect(agg.totalBuf / agg.active).toBeCloseTo(10);
|
||||
});
|
||||
|
||||
it('handles all panels in error', () => {
|
||||
const states = [
|
||||
{ ...createPanelState(), phase: 'error', segmentsFailed: 3 },
|
||||
{ ...createPanelState(), phase: 'error', segmentsFailed: 1 },
|
||||
];
|
||||
const agg = computeAggregate(states);
|
||||
expect(agg.errors).toBe(2);
|
||||
expect(agg.active).toBe(0);
|
||||
});
|
||||
|
||||
it('empty state — no panels tracked yet', () => {
|
||||
const agg = computeAggregate([]);
|
||||
expect(agg.playing).toBe(0);
|
||||
expect(agg.buffering).toBe(0);
|
||||
expect(agg.errors).toBe(0);
|
||||
expect(agg.idle).toBe(0);
|
||||
expect(agg.totalSegs).toBe(0);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* Fragmented playback tracking — hls.js event simulation */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('Fragmented playback tracking — hls.js event simulation', () => {
|
||||
it('simulates a full HLS playback lifecycle', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'loading';
|
||||
state.lastEvent = 'MEDIA_ATTACHED';
|
||||
expect(state.phase).toBe('loading');
|
||||
state.lastEvent = 'MANIFEST_LOADED';
|
||||
state.levelLabel = '1920x1080';
|
||||
state.lastEvent = 'MANIFEST_PARSED';
|
||||
state.level = 0;
|
||||
state.levelLabel = '640x360';
|
||||
state.phase = 'buffering';
|
||||
for (let i = 0; i < 5; i++) state.segmentsLoaded++;
|
||||
state.phase = 'playing';
|
||||
state.bufferedAhead = 8.5;
|
||||
state.currentTime = 5.2;
|
||||
state.duration = 300;
|
||||
state.level = 1;
|
||||
state.levelLabel = '1280x720';
|
||||
expect(state.phase).toBe('playing');
|
||||
expect(state.segmentsLoaded).toBe(5);
|
||||
expect(state.segmentsFailed).toBe(0);
|
||||
expect(state.fpsDropCount).toBe(0);
|
||||
expect(state.errorMessage).toBeNull();
|
||||
expect(state.level).toBe(1);
|
||||
});
|
||||
|
||||
it('simulates degraded playback with FPS drops and seg failures', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.segmentsLoaded = 3;
|
||||
state.segmentsFailed += 2;
|
||||
state.fpsDropCount += 2;
|
||||
state.level = 0;
|
||||
state.levelLabel = '426x240';
|
||||
expect(state.phase).toBe('playing');
|
||||
expect(state.segmentsFailed).toBe(2);
|
||||
expect(state.fpsDropCount).toBe(2);
|
||||
expect(state.levelLabel).toBe('426x240');
|
||||
});
|
||||
|
||||
it('simulates fatal network error (manifest expired)', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.segmentsLoaded = 20;
|
||||
state.phase = 'error';
|
||||
state.errorMessage = 'Network: MANIFEST_LOAD_ERROR';
|
||||
expect(state.phase).toBe('error');
|
||||
expect(state.errorMessage).toContain('MANIFEST_LOAD_ERROR');
|
||||
expect(state.segmentsLoaded).toBe(20);
|
||||
});
|
||||
|
||||
it('simulates media error recovery', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.segmentsLoaded = 10;
|
||||
state.phase = 'buffering';
|
||||
state.errorMessage = 'Media: DECODE_ERROR';
|
||||
state.errorMessage = null;
|
||||
state.phase = 'playing';
|
||||
state.segmentsLoaded++;
|
||||
expect(state.phase).toBe('playing');
|
||||
expect(state.errorMessage).toBeNull();
|
||||
expect(state.segmentsLoaded).toBe(11);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* Fragmented playback tracking — video element event wiring */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('Fragmented playback tracking — video element event wiring', () => {
|
||||
it('video.playing event sets phase to playing', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'buffering';
|
||||
state.phase = 'playing';
|
||||
state.lastEvent = 'video.playing';
|
||||
expect(state.phase).toBe('playing');
|
||||
expect(state.lastEvent).toBe('video.playing');
|
||||
});
|
||||
|
||||
it('video.waiting event sets phase to buffering', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.phase = 'buffering';
|
||||
state.lastEvent = 'video.waiting';
|
||||
expect(state.phase).toBe('buffering');
|
||||
});
|
||||
|
||||
it('video.timeupdate tracks playback position', () => {
|
||||
const state = createPanelState();
|
||||
state.currentTime = 1.0;
|
||||
state.currentTime = 2.0;
|
||||
state.currentTime = 3.0;
|
||||
state.duration = 300;
|
||||
expect(state.currentTime).toBe(3.0);
|
||||
expect(state.duration).toBe(300);
|
||||
});
|
||||
|
||||
it('overlay auto-fade: playing + segments > 3 + buffered > 2s', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.segmentsLoaded = 4;
|
||||
state.bufferedAhead = 5;
|
||||
const shouldFade = state.phase === 'playing' &&
|
||||
state.segmentsLoaded > 3 && state.bufferedAhead > 2;
|
||||
expect(shouldFade).toBe(true);
|
||||
state.segmentsLoaded = 2;
|
||||
expect(state.phase === 'playing' && state.segmentsLoaded > 3 && state.bufferedAhead > 2).toBe(false);
|
||||
});
|
||||
});
|
||||
|
||||
/* ========================================================================== */
|
||||
/* Fragmented playback tracking — edge cases */
|
||||
/* ========================================================================== */
|
||||
|
||||
describe('Fragmented playback tracking — edge cases', () => {
|
||||
it('handles live/loop content where duration is Infinity', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.currentTime = 15.5;
|
||||
state.duration = Infinity;
|
||||
const isLive = state.duration === Infinity || isNaN(state.duration);
|
||||
expect(isLive).toBe(true);
|
||||
expect(state.currentTime).toBe(15.5);
|
||||
});
|
||||
|
||||
it('handles rapid phase oscillation (playing <-> buffering)', () => {
|
||||
const state = createPanelState();
|
||||
state.phase = 'playing';
|
||||
state.phase = 'buffering';
|
||||
state.phase = 'playing';
|
||||
state.phase = 'buffering';
|
||||
state.phase = 'playing';
|
||||
expect(state.phase).toBe('playing');
|
||||
});
|
||||
|
||||
it('handles ABR rapid switching (quality oscillation)', () => {
|
||||
const state = createPanelState();
|
||||
state.level = 3; state.levelLabel = '1920x1080';
|
||||
state.level = 0; state.levelLabel = '426x240';
|
||||
state.level = 2; state.levelLabel = '1280x720';
|
||||
expect(state.level).toBe(2);
|
||||
expect(state.levelLabel).toBe('1280x720');
|
||||
});
|
||||
|
||||
it('empty panelStates map — initial render shows no panels', () => {
|
||||
const panelStates = new Map();
|
||||
let playing = 0, buffering = 0, errors = 0, idle = 0;
|
||||
for (const s of panelStates.values()) {
|
||||
switch (s.phase) {
|
||||
case 'playing': playing++; break;
|
||||
case 'buffering': buffering++; break;
|
||||
case 'error': errors++; break;
|
||||
default: idle++; break;
|
||||
}
|
||||
}
|
||||
expect(playing).toBe(0);
|
||||
expect(buffering).toBe(0);
|
||||
expect(errors).toBe(0);
|
||||
expect(idle).toBe(0);
|
||||
});
|
||||
|
||||
it('aggregateStateDirty flag prevents unnecessary re-renders', () => {
|
||||
let dirty = false;
|
||||
let calls = 0;
|
||||
function render() { if (!dirty) return; dirty = false; calls++; }
|
||||
render();
|
||||
expect(calls).toBe(0);
|
||||
dirty = true;
|
||||
render();
|
||||
expect(calls).toBe(1);
|
||||
render();
|
||||
expect(calls).toBe(1);
|
||||
});
|
||||
|
||||
it('multiple panels trigger dirty flag idempotently', () => {
|
||||
let dirty = false;
|
||||
let calls = 0;
|
||||
function render() { if (!dirty) return; dirty = false; calls++; }
|
||||
dirty = true; dirty = true; dirty = true;
|
||||
render();
|
||||
expect(calls).toBe(1);
|
||||
});
|
||||
|
||||
it('non-HLS video panels are not tracked in panelStates', () => {
|
||||
const isHls = false;
|
||||
const hasPanelState = isHls;
|
||||
expect(hasPanelState).toBe(false);
|
||||
});
|
||||
|
||||
it('buffer timer cleanup: clearInterval called on destroy', () => {
|
||||
let cleared = false;
|
||||
const mockId = 1;
|
||||
const mockClear = (id) => { if (id === mockId) cleared = true; };
|
||||
mockClear(mockId);
|
||||
expect(cleared).toBe(true);
|
||||
});
|
||||
});
|
||||
Reference in new issue
Block a user