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|
#!/usr/bin/env python3
"""
The playlist menus, pressed in a real browser.
`playlists.js` is covered against a stubbed node by `playlist_store_probe.py`,
and the merge and the sealing by their own tests. None of that reaches the part
a person actually touches: whether the toolbar button opens a menu, whether
naming a playlist in a field works (Electron has no `prompt` — it throws), and
whether "add to playlist" on an album cover puts the right tracks in the right
playlist.
So this renders the shipped `GroupPage`, `MusicPlayerBar` and playlist menus,
presses the real controls, and reads the result back out of the store.
playlist_ui_probe.py
Prints JSON: one entry per step.
"""
import http.server
import json
import socketserver
import subprocess
import sys
import tempfile
import threading
import time
from pathlib import Path
STATIC = Path(__file__).resolve().parents[2] / "src" / "meshbay_hub" / "static"
PORT = 8755
RECORDS = []
socketserver.TCPServer.allow_reuse_address = True
FRAME = r"""<!doctype html><html><head><meta charset=utf-8>
<link rel="stylesheet" href="/style.css"></head><body>
<nav class="nav"><div class="nav-left"><a class="nav-brand" href="#/">MeshBay</a></div></nav>
<div class="layout"><main class="main"><div id="root"></div></main></div>
<script>
// Four albums of three tracks, each track titled so the queue can be read back
// unambiguously: "A2-t3" is the third track of the second album and nothing
// else. A fixture whose rows cannot be told apart measures nothing.
const ENTRIES = [];
let n = 0;
for (let a = 1; a <= 4; a++) {
for (let i = 1; i <= 3; i++) {
ENTRIES.push({
id: 'e' + (++n), name: `A${a}-t${i}.flac`, display_title: `A${a}-t${i}`,
path: `musique/Artiste ${a}/Album ${a}`, type: 'audio',
artist: `Artiste ${a}`, album: `Album ${a}`,
track_no: i, duration: 200, size: 1024 * 1024, added_at: 1750000000 + n,
});
}
}
const ACK = {
is_node_admin: false,
enabled_apps: ['files', 'music'],
tmdb_enabled: false, musicbrainz_enabled: false,
video_directories: [], music_directories: ['musique'], photo_directories: [],
};
window.MeshBayTransport = function () {
const self = {
connected: false, memberRole: 'member', supportsAppOps: true,
sessionKeys: null, gekRaw: null,
newNodeBundle: null, newNodeBundleRecovery: null,
async connect() { self.connected = true; return ACK; },
async fetchIndex() {
return { entries: ENTRIES, dirs: ['musique'],
roots: [{ name: 'musique', available: true, writable: false,
removable: false }] };
},
async fetchChatHistory() { return { messages: [], hasMore: false }; },
async fetchLinkPreview() { return { ok: false }; },
// Real, not left to the Proxy below: that would hand back a promise
// where an unsubscribe belongs, and the page calls it on unmount.
addReconnectListener() { return () => {}; },
close() {},
};
return new Proxy(self, {
get(target, prop) {
if (prop in target) return target[prop];
if (typeof prop === 'string' && prop.startsWith('on')) return undefined;
if (typeof prop === 'symbol') return undefined;
return () => new Promise(() => {});
},
set(target, prop, value) { target[prop] = value; return true; },
});
};
</script>
<script type="module">
import { html, render, useState, useCallback } from '/vendor/htm-preact.js';
import { initLocale } from '/i18n.js';
import { GroupPage } from '/group-page.js';
import { MusicPlayerBar } from '/music-player.js';
import { session } from '/hub-client.js';
import { t } from '/i18n.js';
import * as P from '/playlists.js';
const LOGS = [];
addEventListener('error', (e) => LOGS.push('error: ' + (e.message || e)));
addEventListener('unhandledrejection',
(e) => LOGS.push('rejection: '
+ ((e.reason && (e.reason.stack || e.reason.message)) || e.reason)));
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
const waitFor = async (sel, tries = 60) => {
for (let i = 0; i < tries; i++) {
const el = document.querySelector(sel);
if (el) return el;
await sleep(50);
}
return null;
};
// The shell's two jobs, and only those: hold the queue, and pass `op` through.
// app.js does more (a transport fast path, the stop button); the contract this
// exercises is the shape of what it hands the player.
function Harness() {
const [queue, setQueue] = useState(null);
const onPlayQueue = useCallback((tracks, startIndex, source, op) => {
setQueue({ tracks, startIndex, nonce: Date.now(), op: op || 'replace' });
}, []);
return html`
<${GroupPage} groupId="g1" token="t" username="me" userId="u1"
group=${{ id: 'g1', name: 'un groupe', owner_username: 'me', is_admin: false }}
userPrefs=${{ default_tab: 'music', media_page_size: '50' }}
onPlayQueue=${onPlayQueue} />
${queue && html`<${MusicPlayerBar} getConnection=${() => new Promise(() => {})}
queue=${queue} userPrefs=${{}} onClose=${() => setQueue(null)} />`}
`;
}
const steps = [];
// The queue as a person sees it: the player's own panel, opened and closed.
async function queueNow(label, extra) {
const open = document.querySelector('.music-player-extra .music-player-btn');
if (!open) { steps.push({ step: label, bar: false, ...extra }); return; }
open.click();
const panel = await waitFor('.music-detail .music-tracklist');
const rows = [...document.querySelectorAll('.music-detail .music-tracklist .music-track-row')];
steps.push({
step: label,
bar: true,
play: rows.map((r) => r.querySelector('.music-track-title').textContent),
playing: (rows.findIndex((r) => r.classList.contains('active'))),
nowPlaying: (document.querySelector('.music-player-title') || {}).textContent || null,
...extra,
});
const close = document.querySelector('.music-detail .video-close');
if (close) close.click();
await sleep(120);
}
const rightClick = (el) => el.dispatchEvent(new MouseEvent('contextmenu', {
bubbles: true, cancelable: true, clientX: 200, clientY: 200 }));
const menuLabels = () => [...document.querySelectorAll('.ctx-menu .ctx-menu-item')]
.map((b) => b.querySelector('.ctx-menu-label').textContent);
const clickMenu = async (i) => {
const items = [...document.querySelectorAll('.ctx-menu .ctx-menu-item')];
items[i].click();
await sleep(200);
};
(async () => {
const fail = (why) => parent.postMessage(
{ error: why, logs: LOGS.slice(0, 12),
text: (document.getElementById('root').textContent || '').slice(0, 400) }, '*');
try {
await initLocale();
// A real HKDF handle, so the store derives its key the way it really does.
const raw = new Uint8Array(32).fill(3);
session.bundleKey = {
v2: await crypto.subtle.importKey('raw', raw, { name: 'AES-GCM' }, false,
['encrypt', 'decrypt']),
v2hkdf: await crypto.subtle.importKey('raw', raw, 'HKDF', false, ['deriveKey']),
};
// Deleting a playlist asks, in the page (ask.js) — so the probe answers the
// dialog the way a person would, by clicking its OK button.
let asked = null;
render(html`<${Harness} />`, document.getElementById('root'));
const waitForCount = async (sel, n, tries = 80) => {
for (let i = 0; i < tries; i++) {
if (document.querySelectorAll(sel).length >= n) {
scrollTo(0, 0); await sleep(100); return true;
}
scrollTo(0, document.documentElement.scrollHeight);
await sleep(50);
}
return false;
};
if (!await waitForCount('.music-card', 4)) return fail('grid never completed');
const toolbarButton = [...document.querySelectorAll('.video-toolbar .tb-btn')]
.find((b) => (b.getAttribute('title') || '').length
&& b.querySelector('svg')
&& !b.classList.contains('active'));
if (!toolbarButton) return fail('no playlist button in the toolbar');
const menuLabels = () => [...document.querySelectorAll('.ctx-menu .ctx-menu-item')]
.map((b) => b.querySelector('.ctx-menu-label').textContent);
const clickLabel = async (text) => {
const item = [...document.querySelectorAll('.ctx-menu .ctx-menu-item')]
.find((b) => b.querySelector('.ctx-menu-label').textContent === text);
if (!item) throw new Error('no menu item "' + text + '" among ' + menuLabels());
item.click();
await sleep(250);
};
const openToolbar = async () => { toolbarButton.click(); await sleep(200); };
// 1. The toolbar menu, in the order it promises.
await openToolbar();
steps.push({ step: 'toolbar menu', items: menuLabels() });
// 2. Create a playlist by typing a name into a field.
await clickLabel(t('playlists.create'));
const field = await waitFor('.playlist-modal input');
if (!field) return fail('no name field');
field.value = 'Soirée';
field.dispatchEvent(new Event('input', { bubbles: true }));
await sleep(80);
document.querySelector('.playlist-modal .admin-btn').click();
await sleep(350);
steps.push({ step: 'created', modalGone: !document.querySelector('.playlist-modal'),
lists: await P.listPlaylists('u1') });
// 3. Add an album to it from the cover's own menu.
const dots = document.querySelectorAll('.music-card .ctx-dots');
dots[1].click();
await sleep(200);
steps.push({ step: 'cover menu', items: menuLabels() });
await clickLabel(t('playlists.add_to'));
steps.push({ step: 'add-to submenu', items: menuLabels() });
await clickLabel('Soirée');
await sleep(300);
const lists = await P.listPlaylists('u1');
steps.push({ step: 'added to the playlist',
lists: lists.map((p) => ({ name: p.name, count: p.count })),
note: (document.querySelector('.playlist-note') || {}).textContent || null });
// 4. Load it into the queue.
await openToolbar();
await clickLabel(t('playlists.load'));
await clickLabel('Soirée');
await sleep(400);
const open = document.querySelector('.music-player-extra .music-player-btn');
if (!open) return fail('nothing is playing after loading a playlist');
open.click();
await waitFor('.music-detail .music-tracklist');
steps.push({ step: 'loaded into the queue',
play: [...document.querySelectorAll(
'.music-detail .music-tracklist .music-track-title')]
.map((e) => e.textContent) });
document.querySelector('.music-detail .video-close').click();
await sleep(150);
// 5. Remove one track, through the two-level submenu.
await openToolbar();
await clickLabel(t('playlists.remove_track'));
await clickLabel('Soirée');
await sleep(350);
steps.push({ step: 'the tracklist submenu', items: menuLabels() });
await clickLabel('A2-t2');
await sleep(300);
steps.push({ step: 'track removed',
lists: (await P.listPlaylists('u1'))
.map((p) => ({ name: p.name, count: p.count })),
tracks: (await P.getPlaylistTracks('u1',
lists.find((p) => p.name === 'Soirée').id))
.map((tr) => tr.display_title) });
// 6. Delete it.
await openToolbar();
await clickLabel(t('playlists.delete'));
await clickLabel('Soirée');
for (let i = 0; i < 40 && !asked; i++) {
const dlg = document.querySelector('[role=alertdialog]');
if (dlg) {
asked = dlg.querySelector('.ask-message').textContent;
dlg.querySelector('button[type=submit]').click();
} else await sleep(50);
}
await sleep(300);
steps.push({ step: 'deleted', asked: !!asked,
lists: (await P.listPlaylists('u1')).map((p) => p.name) });
parent.postMessage({ steps, logs: LOGS.slice(0, 8) }, '*');
} catch (err) {
fail(String((err && err.stack) || err));
}
})();
</script></body></html>"""
PAGE = r"""<!doctype html><html><head><meta charset=utf-8></head>
<body style="margin:0"><div id="frames"></div><script>
addEventListener('message', (e) => {
fetch('/log', { method: 'POST', body: JSON.stringify(e.data) });
});
const f = document.createElement('iframe');
f.src = '/case';
f.style.cssText = 'width:1100px;height:800px;border:0;display:block';
document.getElementById('frames').appendChild(f);
</script></body></html>"""
class H(http.server.BaseHTTPRequestHandler):
def log_message(self, *a):
pass
def do_POST(self):
length = int(self.headers.get("Content-Length") or 0)
if self.path == "/log":
RECORDS.append(json.loads(self.rfile.read(length).decode()))
else:
self.rfile.read(length)
self.send_response(204)
self.end_headers()
def _send(self, body: bytes, ctype: str) -> None:
self.send_response(200)
self.send_header("Content-Type", ctype)
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
def do_GET(self):
path = self.path.split("?")[0]
if path == "/":
self._send(PAGE.encode(), "text/html; charset=utf-8")
elif path == "/case":
self._send(FRAME.encode(), "text/html; charset=utf-8")
elif path == "/v1/groups/g1/nodes":
self._send(b'{"nodes": [{"node_id": "n1"}]}', "application/json")
else:
asset = (STATIC / path.lstrip("/")).resolve()
if not str(asset).startswith(str(STATIC)) or not asset.is_file():
self.send_response(404)
self.end_headers()
return
self._send(asset.read_bytes(),
"text/css" if asset.suffix == ".css"
else "text/javascript" if asset.suffix == ".js"
else "application/octet-stream")
def main() -> int:
with socketserver.TCPServer(("127.0.0.1", PORT), H) as srv:
threading.Thread(target=srv.serve_forever, daemon=True).start()
with tempfile.TemporaryDirectory(ignore_cleanup_errors=True) as profile:
proc = subprocess.Popen(
["google-chrome", "--headless=new", "--disable-gpu", "--no-sandbox",
f"--user-data-dir={profile}", "--window-size=1100,900",
f"http://127.0.0.1:{PORT}/"],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
for _ in range(400):
if RECORDS:
break
time.sleep(0.1)
proc.terminate()
try:
proc.wait(timeout=10)
except subprocess.TimeoutExpired:
proc.kill()
proc.wait()
if not RECORDS:
print(json.dumps({"error": "no measurement"}), file=sys.stderr)
return 1
print(json.dumps(RECORDS[0], indent=1))
return 0
if __name__ == "__main__":
raise SystemExit(main())
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