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import { spawn, execFileSync } from "node:child_process";
import { existsSync, mkdtempSync, rmSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { createBrowserClient } from "../../src/client";
import { createDaemonTransport } from "../../src/daemon/transport";
import { isDaemonRunning, spawnDaemon } from "../../src/daemon/spawn";
import { closeIsolatedTab, openIsolatedTab } from "../../src/domains/isolated-tab";
const PORT = Number(process.env["PROFILE_CONC_PORT"] ?? 9488);
const CONCURRENT_TABS = 5;
let passed = 0;
let failed = 0;
const check = (cond: boolean, label: string): void => {
if (cond) {
passed++;
console.log(` ✓ ${label}`);
} else {
failed++;
console.error(` ✗ ${label}`);
}
};
const sleep = (ms: number): Promise<void> => new Promise((r) => setTimeout(r, ms));
function findBrowser(): string | undefined {
const fromEnv = process.env["CHROME_BIN"] ?? process.env["CHROME_PATH"];
if (fromEnv && existsSync(fromEnv)) return fromEnv;
const candidates: string[] =
process.platform === "darwin"
? [
"/Applications/Google Chrome.app/Contents/MacOS/Google Chrome",
"/Applications/Chromium.app/Contents/MacOS/Chromium",
]
: process.platform === "win32"
? [
join(process.env["PROGRAMFILES"] ?? "C:\\Program Files", "Google\\Chrome\\Application\\chrome.exe"),
join(process.env["LOCALAPPDATA"] ?? "", "Google\\Chrome\\Application\\chrome.exe"),
]
: ["/opt/google/chrome/chrome", "/usr/bin/google-chrome", "/usr/bin/chromium", "/usr/bin/chromium-browser"];
return candidates.find((c) => c && existsSync(c));
}
const killTree = (pid: number | undefined): void => {
if (pid === undefined) return;
if (process.platform === "win32") {
try {
execFileSync("taskkill.exe", ["/pid", String(pid), "/T", "/F"], { stdio: "ignore" });
} catch {}
return;
}
try {
process.kill(-pid, "SIGKILL");
} catch {
try {
process.kill(pid, "SIGKILL");
} catch {}
}
};
// The daemon owns the only socket to Chrome and reads BU_CDP_WS once, at spawn — so each scenario needs its own daemon pointed at its own browser.
const startDaemonFor = async (endpoint: string): Promise<{ readonly pid: number | undefined } | null> => {
process.env["BU_CDP_WS"] = endpoint;
const child = spawnDaemon();
if (!child) return null;
for (let i = 0; i < 50; i++) {
if (await isDaemonRunning()) return { pid: child.pid };
await sleep(200);
}
killTree(child.pid);
return null;
};
const stopDaemon = async (pid: number | undefined): Promise<void> => {
killTree(pid);
for (let i = 0; i < 50 && (await isDaemonRunning()); i++) await sleep(200);
delete process.env["BU_CDP_WS"];
};
async function scenario(exePath: string, label: string, pinned: boolean): Promise<void> {
const udd = mkdtempSync(join(tmpdir(), "pi-profile-conc-"));
const base = [
`--user-data-dir=${udd}`,
"--no-first-run",
"--no-default-browser-check",
"--disable-sync",
"--disable-background-networking",
"--window-size=600,450",
];
const browser = spawn(exePath, [...base, `--remote-debugging-port=${PORT}`, "about:blank"], {
detached: true,
stdio: "ignore",
});
browser.unref();
let daemonPid: number | undefined;
try {
let endpoint: string | undefined;
for (let i = 0; i < 60 && !endpoint; i++) {
await sleep(500);
try {
const res = await fetch(`http://127.0.0.1:${PORT}/json/version`);
if (res.ok) endpoint = ((await res.json()) as { webSocketDebuggerUrl: string }).webSocketDebuggerUrl;
} catch {}
}
if (!endpoint) {
check(false, `${label}: browser exposed its DevTools endpoint`);
return;
}
if (pinned) {
spawn(exePath, [...base, "--profile-directory=Profile 2", "about:blank"], {
detached: true,
stdio: "ignore",
}).unref();
await sleep(6_000);
}
const daemon = await startDaemonFor(endpoint);
check(daemon !== null, `${label}: daemon started against the test browser`);
if (!daemon) return;
daemonPid = daemon.pid;
const namespace = `conc-${pinned ? "pinned" : "plain"}`;
const client = createBrowserClient({
namespace,
transport: createDaemonTransport(namespace),
...(pinned
? { profilePin: { userDataDir: udd, profileDir: "Profile 2", label: "pinned", savedAt: "" } }
: {}),
});
const started = await client.start();
check(started.success, `${label}: client starts`);
if (!started.success) return;
const results = await Promise.all(Array.from({ length: CONCURRENT_TABS }, () => openIsolatedTab(client)));
const tabs = results.flatMap((r) => (r.success ? [r.data] : []));
check(tabs.length === CONCURRENT_TABS, `${label}: all ${CONCURRENT_TABS} concurrent tabs opened (${tabs.length})`);
check(new Set(tabs.map((t) => t.targetId)).size === tabs.length, `${label}: every tab is a distinct target`);
const windows = await Promise.all(
tabs.map(async (t) => {
const r = await client.session().callBrowser("Browser.getWindowForTarget", { targetId: t.targetId });
return r.success ? (r.data as { windowId?: number }).windowId : undefined;
}),
);
check(new Set(windows).size === 1, `${label}: all tabs share one window (${new Set(windows).size})`);
if (pinned) {
const contexts = await Promise.all(
tabs.map(async (t) => {
const r = await client.session().callBrowser("Target.getTargetInfo", { targetId: t.targetId });
return r.success
? (r.data as { targetInfo?: { browserContextId?: string } }).targetInfo?.browserContextId
: undefined;
}),
);
check(
new Set(contexts).size === 1 && contexts[0] === client.profileContextId(),
`${label}: every tab is in the pinned profile`,
);
}
for (const tab of tabs) await closeIsolatedTab(client, tab);
await client.closeOwnedTabs();
await client.stop();
} finally {
await stopDaemon(daemonPid);
killTree(browser.pid);
try {
rmSync(udd, { recursive: true, force: true, maxRetries: 5, retryDelay: 200 });
} catch {}
}
}
async function main(): Promise<void> {
const exePath = findBrowser();
if (!exePath) {
console.error("No Chrome/Chromium found — set CHROME_BIN. Skipping.");
process.exit(process.env["CI"] ? 1 : 0);
}
// A daemon that is already up is bound to a different Chrome, and the socket path is fixed — this test would silently drive the wrong browser.
if (await isDaemonRunning()) {
console.error("A pi browser daemon is already running. Stop it before running this test.");
process.exit(1);
}
console.log(`browser: ${exePath}\n`);
await scenario(exePath, "UNPINNED", false);
await scenario(exePath, "PINNED", true);
console.log(`\n${passed} passed, ${failed} failed`);
process.exit(failed === 0 ? 0 : 1);
}
main().catch((e) => {
console.error("profile concurrency test failed:", e);
process.exit(1);
});
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