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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertThrows,
deferred,
delay,
unitTest,
} from "./test_util.ts";
unitTest(
{ ignore: Deno.build.os !== "windows" },
function signalsNotImplemented() {
assertThrows(
() => {
Deno.signal("SIGINT");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGALRM");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGCHLD");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGHUP");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGINT");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGIO");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGPIPE");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGQUIT");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGTERM");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGUSR1");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGUSR2");
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signal("SIGWINCH");
},
Error,
"not implemented",
);
},
);
unitTest(
{ ignore: Deno.build.os === "windows", perms: { run: true, net: true } },
async function signalStreamTest() {
const resolvable = deferred();
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let c = 0;
const sig = Deno.signal("SIGUSR1");
setTimeout(async () => {
await delay(20);
for (const _ of Array(3)) {
// Sends SIGUSR1 3 times.
Deno.kill(Deno.pid, "SIGUSR1");
await delay(20);
}
sig.dispose();
resolvable.resolve();
});
for await (const _ of sig) {
c += 1;
}
assertEquals(c, 3);
clearInterval(t);
await resolvable;
},
);
// This tests that pending op_signal_poll doesn't block the runtime from exiting the process.
unitTest(
{ ignore: Deno.build.os === "windows", perms: { run: true, read: true } },
async function signalStreamExitTest() {
const p = Deno.run({
cmd: [
Deno.execPath(),
"eval",
"--unstable",
"(async () => { for await (const _ of Deno.signal('SIGIO')) {} })()",
],
});
const res = await p.status();
assertEquals(res.code, 0);
p.close();
},
);
unitTest(
{ ignore: Deno.build.os === "windows", perms: { run: true } },
async function signalPromiseTest() {
const resolvable = deferred();
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
const sig = Deno.signal("SIGUSR1");
setTimeout(() => {
Deno.kill(Deno.pid, "SIGUSR1");
resolvable.resolve();
}, 20);
await sig;
sig.dispose();
clearInterval(t);
await resolvable;
},
);
// https://github.com/denoland/deno/issues/9806
unitTest(
{ ignore: Deno.build.os === "windows", perms: { run: true } },
async function signalPromiseTest2() {
const resolvable = deferred();
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let called = false;
const sig = Deno.signal("SIGUSR1");
sig.then(() => {
called = true;
});
setTimeout(() => {
sig.dispose();
setTimeout(() => {
resolvable.resolve();
}, 10);
}, 10);
clearInterval(t);
await resolvable;
// Promise callback is not called because it didn't get
// the corresponding signal.
assert(!called);
},
);
unitTest(
{ ignore: Deno.build.os === "windows", perms: { run: true } },
function signalShorthandsTest() {
let s: Deno.SignalStream;
s = Deno.signal("SIGALRM");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGCHLD");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGHUP");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGINT");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGIO");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGPIPE");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGQUIT");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGTERM");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGUSR1");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGUSR2");
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signal("SIGWINCH");
assert(s instanceof Deno.SignalStream);
s.dispose();
},
);
|
