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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(): void {
assertThrows(
() => {
Deno.signal(1);
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.alarm(); // for SIGALRM
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.child(); // for SIGCHLD
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.hungup(); // for SIGHUP
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.interrupt(); // for SIGINT
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.io(); // for SIGIO
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.pipe(); // for SIGPIPE
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.quit(); // for SIGQUIT
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.terminate(); // for SIGTERM
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.userDefined1(); // for SIGUSR1
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.userDefined2(); // for SIGURS2
},
Error,
"not implemented",
);
assertThrows(
() => {
Deno.signals.windowChange(); // for SIGWINCH
},
Error,
"not implemented",
);
},
);
unitTest(
{ ignore: Deno.build.os === "windows", perms: { run: true, net: true } },
async function signalStreamTest(): Promise<void> {
const resolvable = deferred();
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let c = 0;
const sig = Deno.signal(Deno.Signal.SIGUSR1);
setTimeout(async () => {
await delay(20);
for (const _ of Array(3)) {
// Sends SIGUSR1 3 times.
Deno.kill(Deno.pid, Deno.Signal.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(): Promise<void> {
const p = Deno.run({
cmd: [
Deno.execPath(),
"eval",
"--unstable",
"(async () => { for await (const _ of Deno.signals.io()) {} })()",
],
});
const res = await p.status();
assertEquals(res.code, 0);
p.close();
},
);
unitTest(
{ ignore: Deno.build.os === "windows", perms: { run: true } },
async function signalPromiseTest(): Promise<void> {
const resolvable = deferred();
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
const sig = Deno.signal(Deno.Signal.SIGUSR1);
setTimeout(() => {
Deno.kill(Deno.pid, Deno.Signal.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(): Promise<void> {
const resolvable = deferred();
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let called = false;
const sig = Deno.signal(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(): void {
let s: Deno.SignalStream;
s = Deno.signals.alarm(); // for SIGALRM
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.child(); // for SIGCHLD
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.hungup(); // for SIGHUP
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.interrupt(); // for SIGINT
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.io(); // for SIGIO
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.pipe(); // for SIGPIPE
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.quit(); // for SIGQUIT
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.terminate(); // for SIGTERM
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.userDefined1(); // for SIGUSR1
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.userDefined2(); // for SIGURS2
assert(s instanceof Deno.SignalStream);
s.dispose();
s = Deno.signals.windowChange(); // for SIGWINCH
assert(s instanceof Deno.SignalStream);
s.dispose();
},
);
|
