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24 changes: 21 additions & 3 deletions packages/sandbox/test/seatbelt.test.ts
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,8 @@
// SPDX-License-Identifier: Apache-2.0

import assert from "node:assert/strict";
import { mkdir, mkdtemp, readFile, rm, writeFile } from "node:fs/promises";
import { mkdir, mkdtemp, readFile, realpath, rm, writeFile } from "node:fs/promises";
import { createServer } from "node:net";
import { tmpdir } from "node:os";
import { join } from "node:path";
import test, { type TestContext } from "node:test";
Expand Down Expand Up @@ -127,7 +128,7 @@ const darwin = await detectSeatbelt();
const integration = { skip: darwin.available ? false : "seatbelt unavailable on this host" };

async function makeLayout(context: TestContext) {
const root = await mkdtemp(join(tmpdir(), "axl-seatbelt-"));
const root = await realpath(await mkdtemp(join(tmpdir(), "axl-seatbelt-")));
context.after(() => rm(root, { recursive: true, force: true }));
const workspace = join(root, "workspace");
const axlHome = join(root, "axl-home");
Expand Down Expand Up @@ -170,8 +171,25 @@ test(
);
assert.equal(text(secret).includes("topsecret"), false);

const server = createServer((socket) => socket.destroy());
await new Promise<void>((resolve, reject) => {
server.once("error", reject);
server.listen(0, "127.0.0.1", resolve);
});
context.after(
() =>
new Promise<void>((resolve, reject) => {
server.close((error) => (error === undefined ? resolve() : reject(error)));
}),
);
const address = server.address();
if (address === null || typeof address === "string") {
throw new Error("local network test server has no TCP address");
}
const network = await tool.execute(
{ command: "(exec 3<>/dev/tcp/127.0.0.1/1 && echo CONNECTED) 2>&1 || true" },
{
command: `(exec 3<>/dev/tcp/127.0.0.1/${address.port} && echo CONNECTED) 2>&1 || true`,
},
signal,
);
assert.equal(text(network).includes("CONNECTED"), false);
Expand Down
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