mirror of
https://github.com/denoland/deno.git
synced 2024-12-23 07:44:48 -05:00
784 lines
20 KiB
TypeScript
784 lines
20 KiB
TypeScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
|
|
import {
|
|
assert,
|
|
assertEquals,
|
|
assertRejects,
|
|
assertStringIncludes,
|
|
assertThrows,
|
|
} from "./test_util.ts";
|
|
|
|
Deno.test(
|
|
{ permissions: { write: true, run: true, read: true } },
|
|
async function spawnWithCwdIsAsync() {
|
|
const enc = new TextEncoder();
|
|
const cwd = await Deno.makeTempDir({ prefix: "deno_command_test" });
|
|
|
|
const exitCodeFile = "deno_was_here";
|
|
const programFile = "poll_exit.ts";
|
|
const program = `
|
|
async function tryExit() {
|
|
try {
|
|
const code = parseInt(await Deno.readTextFile("${exitCodeFile}"));
|
|
Deno.exit(code);
|
|
} catch {
|
|
// Retry if we got here before deno wrote the file.
|
|
setTimeout(tryExit, 0.01);
|
|
}
|
|
}
|
|
|
|
tryExit();
|
|
`;
|
|
|
|
Deno.writeFileSync(`${cwd}/${programFile}`, enc.encode(program));
|
|
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
cwd,
|
|
args: ["run", "--allow-read", programFile],
|
|
stdout: "inherit",
|
|
stderr: "inherit",
|
|
});
|
|
|
|
// Write the expected exit code *after* starting deno.
|
|
// This is how we verify that `Child` is actually asynchronous.
|
|
const code = 84;
|
|
Deno.writeFileSync(`${cwd}/${exitCodeFile}`, enc.encode(`${code}`));
|
|
|
|
const status = await child.status;
|
|
await Deno.remove(cwd, { recursive: true });
|
|
assertEquals(status.success, false);
|
|
assertEquals(status.code, code);
|
|
assertEquals(status.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnStdinPiped() {
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"if (new TextDecoder().decode(await Deno.readAll(Deno.stdin)) !== 'hello') throw new Error('Expected \\'hello\\'')",
|
|
],
|
|
stdin: "piped",
|
|
stdout: "null",
|
|
stderr: "null",
|
|
});
|
|
|
|
assertThrows(() => child.stdout, TypeError, "stdout is not piped");
|
|
assertThrows(() => child.stderr, TypeError, "stderr is not piped");
|
|
|
|
const msg = new TextEncoder().encode("hello");
|
|
const writer = child.stdin.getWriter();
|
|
await writer.write(msg);
|
|
writer.releaseLock();
|
|
|
|
await child.stdin.close();
|
|
const status = await child.status;
|
|
assertEquals(status.success, true);
|
|
assertEquals(status.code, 0);
|
|
assertEquals(status.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnStdoutPiped() {
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"await Deno.stdout.write(new TextEncoder().encode('hello'))",
|
|
],
|
|
stderr: "null",
|
|
});
|
|
|
|
assertThrows(() => child.stdin, TypeError, "stdin is not piped");
|
|
assertThrows(() => child.stderr, TypeError, "stderr is not piped");
|
|
|
|
const readable = child.stdout.pipeThrough(new TextDecoderStream());
|
|
const reader = readable.getReader();
|
|
const res = await reader.read();
|
|
assert(!res.done);
|
|
assertEquals(res.value, "hello");
|
|
|
|
const resEnd = await reader.read();
|
|
assert(resEnd.done);
|
|
assertEquals(resEnd.value, undefined);
|
|
reader.releaseLock();
|
|
|
|
const status = await child.status;
|
|
assertEquals(status.success, true);
|
|
assertEquals(status.code, 0);
|
|
assertEquals(status.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnStderrPiped() {
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"await Deno.stderr.write(new TextEncoder().encode('hello'))",
|
|
],
|
|
stdout: "null",
|
|
});
|
|
|
|
assertThrows(() => child.stdin, TypeError, "stdin is not piped");
|
|
assertThrows(() => child.stdout, TypeError, "stdout is not piped");
|
|
|
|
const readable = child.stderr.pipeThrough(new TextDecoderStream());
|
|
const reader = readable.getReader();
|
|
const res = await reader.read();
|
|
assert(!res.done);
|
|
assertEquals(res.value, "hello");
|
|
|
|
const resEnd = await reader.read();
|
|
assert(resEnd.done);
|
|
assertEquals(resEnd.value, undefined);
|
|
reader.releaseLock();
|
|
|
|
const status = await child.status;
|
|
assertEquals(status.success, true);
|
|
assertEquals(status.code, 0);
|
|
assertEquals(status.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, write: true, read: true } },
|
|
async function spawnRedirectStdoutStderr() {
|
|
const tempDir = await Deno.makeTempDir();
|
|
const fileName = tempDir + "/redirected_stdio.txt";
|
|
const file = await Deno.open(fileName, {
|
|
create: true,
|
|
write: true,
|
|
});
|
|
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"Deno.stderr.write(new TextEncoder().encode('error\\n')); Deno.stdout.write(new TextEncoder().encode('output\\n'));",
|
|
],
|
|
});
|
|
await child.stdout.pipeTo(file.writable, {
|
|
preventClose: true,
|
|
});
|
|
await child.stderr.pipeTo(file.writable);
|
|
await child.status;
|
|
|
|
const fileContents = await Deno.readFile(fileName);
|
|
const decoder = new TextDecoder();
|
|
const text = decoder.decode(fileContents);
|
|
|
|
assertStringIncludes(text, "error");
|
|
assertStringIncludes(text, "output");
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, write: true, read: true } },
|
|
async function spawnRedirectStdin() {
|
|
const tempDir = await Deno.makeTempDir();
|
|
const fileName = tempDir + "/redirected_stdio.txt";
|
|
const encoder = new TextEncoder();
|
|
await Deno.writeFile(fileName, encoder.encode("hello"));
|
|
const file = await Deno.open(fileName);
|
|
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"if (new TextDecoder().decode(await Deno.readAll(Deno.stdin)) !== 'hello') throw new Error('Expected \\'hello\\'')",
|
|
],
|
|
stdin: "piped",
|
|
stdout: "null",
|
|
stderr: "null",
|
|
});
|
|
await file.readable.pipeTo(child.stdin, {
|
|
preventClose: true,
|
|
});
|
|
|
|
await child.stdin.close();
|
|
const status = await child.status;
|
|
assertEquals(status.code, 0);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnKillSuccess() {
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: ["eval", "setTimeout(() => {}, 10000)"],
|
|
stdout: "null",
|
|
stderr: "null",
|
|
});
|
|
|
|
child.kill("SIGKILL");
|
|
const status = await child.status;
|
|
|
|
assertEquals(status.success, false);
|
|
if (Deno.build.os === "windows") {
|
|
assertEquals(status.code, 1);
|
|
assertEquals(status.signal, null);
|
|
} else {
|
|
assertEquals(status.code, 137);
|
|
assertEquals(status.signal, "SIGKILL");
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnKillFailed() {
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: ["eval", "setTimeout(() => {}, 5000)"],
|
|
stdout: "null",
|
|
stderr: "null",
|
|
});
|
|
|
|
assertThrows(() => {
|
|
// @ts-expect-error testing runtime error of bad signal
|
|
child.kill("foobar");
|
|
}, TypeError);
|
|
|
|
await child.status;
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnKillOptional() {
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: ["eval", "setTimeout(() => {}, 10000)"],
|
|
stdout: "null",
|
|
stderr: "null",
|
|
});
|
|
|
|
child.kill();
|
|
const status = await child.status;
|
|
|
|
assertEquals(status.success, false);
|
|
if (Deno.build.os === "windows") {
|
|
assertEquals(status.code, 1);
|
|
assertEquals(status.signal, null);
|
|
} else {
|
|
assertEquals(status.code, 143);
|
|
assertEquals(status.signal, "SIGTERM");
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnAbort() {
|
|
const ac = new AbortController();
|
|
const child = Deno.spawnChild(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"setTimeout(console.log, 1e8)",
|
|
],
|
|
signal: ac.signal,
|
|
stdout: "null",
|
|
stderr: "null",
|
|
});
|
|
queueMicrotask(() => ac.abort());
|
|
const status = await child.status;
|
|
assertEquals(status.success, false);
|
|
if (Deno.build.os === "windows") {
|
|
assertEquals(status.code, 1);
|
|
assertEquals(status.signal, null);
|
|
} else {
|
|
assertEquals(status.success, false);
|
|
assertEquals(status.code, 143);
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { read: true, run: false } },
|
|
async function spawnPermissions() {
|
|
await assertRejects(async () => {
|
|
await Deno.spawn(Deno.execPath(), {
|
|
args: ["eval", "console.log('hello world')"],
|
|
});
|
|
}, Deno.errors.PermissionDenied);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { read: true, run: false } },
|
|
function spawnSyncPermissions() {
|
|
assertThrows(() => {
|
|
Deno.spawnSync(Deno.execPath(), {
|
|
args: ["eval", "console.log('hello world')"],
|
|
});
|
|
}, Deno.errors.PermissionDenied);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnSuccess() {
|
|
const output = await Deno.spawn(Deno.execPath(), {
|
|
args: ["eval", "console.log('hello world')"],
|
|
});
|
|
|
|
assertEquals(output.success, true);
|
|
assertEquals(output.code, 0);
|
|
assertEquals(output.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
function spawnSyncSuccess() {
|
|
const output = Deno.spawnSync(Deno.execPath(), {
|
|
args: ["eval", "console.log('hello world')"],
|
|
});
|
|
|
|
assertEquals(output.success, true);
|
|
assertEquals(output.code, 0);
|
|
assertEquals(output.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnUrl() {
|
|
const output = await Deno.spawn(
|
|
new URL(`file:///${Deno.execPath()}`),
|
|
{
|
|
args: ["eval", "console.log('hello world')"],
|
|
},
|
|
);
|
|
|
|
assertEquals(new TextDecoder().decode(output.stdout), "hello world\n");
|
|
|
|
assertEquals(output.success, true);
|
|
assertEquals(output.code, 0);
|
|
assertEquals(output.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
function spawnSyncUrl() {
|
|
const output = Deno.spawnSync(
|
|
new URL(`file:///${Deno.execPath()}`),
|
|
{
|
|
args: ["eval", "console.log('hello world')"],
|
|
},
|
|
);
|
|
|
|
assertEquals(new TextDecoder().decode(output.stdout), "hello world\n");
|
|
|
|
assertEquals(output.success, true);
|
|
assertEquals(output.code, 0);
|
|
assertEquals(output.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test({ permissions: { run: true } }, function spawnNotFound() {
|
|
assertThrows(
|
|
() => Deno.spawn("this file hopefully doesn't exist"),
|
|
Deno.errors.NotFound,
|
|
);
|
|
});
|
|
|
|
Deno.test({ permissions: { run: true } }, function spawnSyncNotFound() {
|
|
assertThrows(
|
|
() => Deno.spawnSync("this file hopefully doesn't exist"),
|
|
Deno.errors.NotFound,
|
|
);
|
|
});
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnFailedWithCode() {
|
|
const output = await Deno.spawn(Deno.execPath(), {
|
|
args: ["eval", "Deno.exit(41 + 1)"],
|
|
});
|
|
assertEquals(output.success, false);
|
|
assertEquals(output.code, 42);
|
|
assertEquals(output.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
function spawnSyncFailedWithCode() {
|
|
const output = Deno.spawnSync(Deno.execPath(), {
|
|
args: ["eval", "Deno.exit(41 + 1)"],
|
|
});
|
|
assertEquals(output.success, false);
|
|
assertEquals(output.code, 42);
|
|
assertEquals(output.signal, null);
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{
|
|
permissions: { run: true, read: true },
|
|
},
|
|
async function spawnFailedWithSignal() {
|
|
const output = await Deno.spawn(Deno.execPath(), {
|
|
args: ["eval", "--unstable", "Deno.kill(Deno.pid, 'SIGKILL')"],
|
|
});
|
|
assertEquals(output.success, false);
|
|
if (Deno.build.os === "windows") {
|
|
assertEquals(output.code, 1);
|
|
assertEquals(output.signal, null);
|
|
} else {
|
|
assertEquals(output.code, 128 + 9);
|
|
assertEquals(output.signal, "SIGKILL");
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{
|
|
permissions: { run: true, read: true },
|
|
},
|
|
function spawnSyncFailedWithSignal() {
|
|
const output = Deno.spawnSync(Deno.execPath(), {
|
|
args: ["eval", "--unstable", "Deno.kill(Deno.pid, 'SIGKILL')"],
|
|
});
|
|
assertEquals(output.success, false);
|
|
if (Deno.build.os === "windows") {
|
|
assertEquals(output.code, 1);
|
|
assertEquals(output.signal, null);
|
|
} else {
|
|
assertEquals(output.code, 128 + 9);
|
|
assertEquals(output.signal, "SIGKILL");
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnOutput() {
|
|
const { stdout } = await Deno.spawn(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"await Deno.stdout.write(new TextEncoder().encode('hello'))",
|
|
],
|
|
});
|
|
|
|
const s = new TextDecoder().decode(stdout);
|
|
assertEquals(s, "hello");
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
function spawnSyncOutput() {
|
|
const { stdout } = Deno.spawnSync(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"await Deno.stdout.write(new TextEncoder().encode('hello'))",
|
|
],
|
|
});
|
|
|
|
const s = new TextDecoder().decode(stdout);
|
|
assertEquals(s, "hello");
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnStderrOutput() {
|
|
const { stderr } = await Deno.spawn(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"await Deno.stderr.write(new TextEncoder().encode('error'))",
|
|
],
|
|
});
|
|
|
|
const s = new TextDecoder().decode(stderr);
|
|
assertEquals(s, "error");
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
function spawnSyncStderrOutput() {
|
|
const { stderr } = Deno.spawnSync(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"await Deno.stderr.write(new TextEncoder().encode('error'))",
|
|
],
|
|
});
|
|
|
|
const s = new TextDecoder().decode(stderr);
|
|
assertEquals(s, "error");
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
async function spawnEnv() {
|
|
const { stdout } = await Deno.spawn(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"Deno.stdout.write(new TextEncoder().encode(Deno.env.get('FOO') + Deno.env.get('BAR')))",
|
|
],
|
|
env: {
|
|
FOO: "0123",
|
|
BAR: "4567",
|
|
},
|
|
});
|
|
const s = new TextDecoder().decode(stdout);
|
|
assertEquals(s, "01234567");
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true } },
|
|
function spawnSyncEnv() {
|
|
const { stdout } = Deno.spawnSync(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"Deno.stdout.write(new TextEncoder().encode(Deno.env.get('FOO') + Deno.env.get('BAR')))",
|
|
],
|
|
env: {
|
|
FOO: "0123",
|
|
BAR: "4567",
|
|
},
|
|
});
|
|
const s = new TextDecoder().decode(stdout);
|
|
assertEquals(s, "01234567");
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true, env: true } },
|
|
async function spawnClearEnv() {
|
|
const { stdout } = await Deno.spawn(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"-p",
|
|
"JSON.stringify(Deno.env.toObject())",
|
|
],
|
|
clearEnv: true,
|
|
env: {
|
|
FOO: "23147",
|
|
},
|
|
});
|
|
|
|
const obj = JSON.parse(new TextDecoder().decode(stdout));
|
|
|
|
// can't check for object equality because the OS may set additional env
|
|
// vars for processes, so we check if PATH isn't present as that is a common
|
|
// env var across OS's and isn't set for processes.
|
|
assertEquals(obj.FOO, "23147");
|
|
assert(!("PATH" in obj));
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{ permissions: { run: true, read: true, env: true } },
|
|
function spawnSyncClearEnv() {
|
|
const { stdout } = Deno.spawnSync(Deno.execPath(), {
|
|
args: [
|
|
"eval",
|
|
"-p",
|
|
"JSON.stringify(Deno.env.toObject())",
|
|
],
|
|
clearEnv: true,
|
|
env: {
|
|
FOO: "23147",
|
|
},
|
|
});
|
|
|
|
const obj = JSON.parse(new TextDecoder().decode(stdout));
|
|
|
|
// can't check for object equality because the OS may set additional env
|
|
// vars for processes, so we check if PATH isn't present as that is a common
|
|
// env var across OS's and isn't set for processes.
|
|
assertEquals(obj.FOO, "23147");
|
|
assert(!("PATH" in obj));
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{
|
|
permissions: { run: true, read: true },
|
|
ignore: Deno.build.os === "windows",
|
|
},
|
|
async function spawnUid() {
|
|
const { stdout } = await Deno.spawn("id", {
|
|
args: ["-u"],
|
|
});
|
|
|
|
const currentUid = new TextDecoder().decode(stdout);
|
|
|
|
if (currentUid !== "0") {
|
|
await assertRejects(async () => {
|
|
await Deno.spawn("echo", {
|
|
args: ["fhqwhgads"],
|
|
uid: 0,
|
|
});
|
|
}, Deno.errors.PermissionDenied);
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{
|
|
permissions: { run: true, read: true },
|
|
ignore: Deno.build.os === "windows",
|
|
},
|
|
function spawnSyncUid() {
|
|
const { stdout } = Deno.spawnSync("id", {
|
|
args: ["-u"],
|
|
});
|
|
|
|
const currentUid = new TextDecoder().decode(stdout);
|
|
|
|
if (currentUid !== "0") {
|
|
assertThrows(() => {
|
|
Deno.spawnSync("echo", {
|
|
args: ["fhqwhgads"],
|
|
uid: 0,
|
|
});
|
|
}, Deno.errors.PermissionDenied);
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{
|
|
permissions: { run: true, read: true },
|
|
ignore: Deno.build.os === "windows",
|
|
},
|
|
async function spawnGid() {
|
|
const { stdout } = await Deno.spawn("id", {
|
|
args: ["-g"],
|
|
});
|
|
|
|
const currentGid = new TextDecoder().decode(stdout);
|
|
|
|
if (currentGid !== "0") {
|
|
await assertRejects(async () => {
|
|
await Deno.spawn("echo", {
|
|
args: ["fhqwhgads"],
|
|
gid: 0,
|
|
});
|
|
}, Deno.errors.PermissionDenied);
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(
|
|
{
|
|
permissions: { run: true, read: true },
|
|
ignore: Deno.build.os === "windows",
|
|
},
|
|
function spawnSyncGid() {
|
|
const { stdout } = Deno.spawnSync("id", {
|
|
args: ["-g"],
|
|
});
|
|
|
|
const currentGid = new TextDecoder().decode(stdout);
|
|
|
|
if (currentGid !== "0") {
|
|
assertThrows(() => {
|
|
Deno.spawnSync("echo", {
|
|
args: ["fhqwhgads"],
|
|
gid: 0,
|
|
});
|
|
}, Deno.errors.PermissionDenied);
|
|
}
|
|
},
|
|
);
|
|
|
|
Deno.test(function spawnStdinPipedFails() {
|
|
assertThrows(
|
|
() =>
|
|
Deno.spawn("id", {
|
|
stdin: "piped",
|
|
}),
|
|
TypeError,
|
|
"Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
|
|
);
|
|
});
|
|
|
|
Deno.test(function spawnSyncStdinPipedFails() {
|
|
assertThrows(
|
|
() =>
|
|
Deno.spawnSync("id", {
|
|
stdin: "piped",
|
|
}),
|
|
TypeError,
|
|
"Piped stdin is not supported for this function, use 'Deno.spawnChild()' instead",
|
|
);
|
|
});
|
|
|
|
Deno.test(
|
|
{ permissions: { write: true, run: true, read: true } },
|
|
async function spawnChildUnref() {
|
|
const enc = new TextEncoder();
|
|
const cwd = await Deno.makeTempDir({ prefix: "deno_command_test" });
|
|
|
|
const programFile = "unref.ts";
|
|
const program = `
|
|
const child = await Deno.spawnChild(Deno.execPath(), {
|
|
cwd: Deno.args[0],
|
|
stdout: "piped",
|
|
args: ["run", "-A", "--unstable", Deno.args[1]],
|
|
});
|
|
const readable = child.stdout.pipeThrough(new TextDecoderStream());
|
|
const reader = readable.getReader();
|
|
// set up an interval that will end after reading a few messages from stdout,
|
|
// to verify that stdio streams are properly unrefed
|
|
let count = 0;
|
|
let interval;
|
|
interval = setInterval(async () => {
|
|
count += 1;
|
|
if (count > 10) {
|
|
clearInterval(interval);
|
|
console.log("cleared interval");
|
|
}
|
|
const res = await reader.read();
|
|
if (res.done) {
|
|
throw new Error("stream shouldn't be done");
|
|
}
|
|
if (res.value.trim() != "hello from interval") {
|
|
throw new Error("invalid message received");
|
|
}
|
|
}, 120);
|
|
console.log("spawned pid", child.pid);
|
|
child.unref();
|
|
`;
|
|
|
|
const childProgramFile = "unref_child.ts";
|
|
const childProgram = `
|
|
setInterval(() => {
|
|
console.log("hello from interval");
|
|
}, 100);
|
|
`;
|
|
Deno.writeFileSync(`${cwd}/${programFile}`, enc.encode(program));
|
|
Deno.writeFileSync(`${cwd}/${childProgramFile}`, enc.encode(childProgram));
|
|
// In this subprocess we are spawning another subprocess which has
|
|
// an infite interval set. Following call would never resolve unless
|
|
// child process gets unrefed.
|
|
const { success, stdout, stderr } = await Deno.spawn(Deno.execPath(), {
|
|
cwd,
|
|
args: ["run", "-A", "--unstable", programFile, cwd, childProgramFile],
|
|
});
|
|
|
|
assert(success);
|
|
const stdoutText = new TextDecoder().decode(stdout);
|
|
const stderrText = new TextDecoder().decode(stderr);
|
|
assert(stderrText.length == 0);
|
|
const [line1, line2] = stdoutText.split("\n");
|
|
const pidStr = line1.split(" ").at(-1);
|
|
assert(pidStr);
|
|
assertEquals(line2, "cleared interval");
|
|
const pid = Number.parseInt(pidStr, 10);
|
|
await Deno.remove(cwd, { recursive: true });
|
|
// Child process should have been killed when parent process exits.
|
|
assertThrows(() => {
|
|
Deno.kill(pid, "SIGTERM");
|
|
}, Deno.errors.NotFound);
|
|
},
|
|
);
|