/
test.ts
90 lines (82 loc) · 2.12 KB
/
test.ts
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals, assertThrows } from "../testing/asserts.ts";
import { delay } from "../async/delay.ts";
import { signal } from "./mod.ts";
import { isWindows } from "../_util/os.ts";
Deno.test({
name: "signal() throws when called with empty signals",
ignore: isWindows,
fn() {
assertThrows(
() => {
// deno-lint-ignore no-explicit-any
(signal as any)();
},
Error,
"No signals are given. You need to specify at least one signal to create a signal stream.",
);
},
});
Deno.test({
name: "signal() iterates for multiple signals",
ignore: isWindows,
fn: async () => {
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let c = 0;
const sig = signal(
"SIGUSR1",
"SIGUSR2",
"SIGINT",
);
setTimeout(async () => {
await delay(20);
Deno.kill(Deno.pid, "SIGINT");
await delay(20);
Deno.kill(Deno.pid, "SIGUSR2");
await delay(20);
Deno.kill(Deno.pid, "SIGUSR1");
await delay(20);
Deno.kill(Deno.pid, "SIGUSR2");
await delay(20);
Deno.kill(Deno.pid, "SIGUSR1");
await delay(20);
Deno.kill(Deno.pid, "SIGINT");
await delay(20);
sig.dispose();
});
for await (const _ of sig) {
c += 1;
}
assertEquals(c, 6);
clearTimeout(t);
},
});
Deno.test({
name: "signal(), multiple .next() results don't resolve at the same time",
ignore: isWindows,
async fn() {
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
const sig = signal("SIGUSR1");
const sigIter = sig[Symbol.asyncIterator]();
let done0 = false;
let done1 = false;
sigIter.next().then(() => {
done0 = true;
});
sigIter.next().then(() => {
done1 = true;
});
Deno.kill(Deno.pid, "SIGUSR1");
await delay(20);
assert(done0);
assert(!done1);
Deno.kill(Deno.pid, "SIGUSR1");
await delay(20);
assert(done0);
assert(done1);
sig.dispose();
clearTimeout(t);
},
});