mirror of
https://github.com/denoland/deno.git
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61 lines
1.6 KiB
TypeScript
61 lines
1.6 KiB
TypeScript
const { test } = Deno;
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import { assertEquals, assertThrows } from "../testing/asserts.ts";
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import { delay } from "../util/async.ts";
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import { signal } from "./mod.ts";
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if (Deno.build.os !== "win") {
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test("signal() throws when called with empty signals", (): void => {
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assertThrows(
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() => {
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// @ts-ignore
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signal();
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},
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Error,
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"No signals are given. You need to specify at least one signal to create a signal stream."
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);
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});
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test({
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name: "signal() iterates for multiple signals",
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fn: async (): Promise<void> => {
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// This prevents the program from exiting.
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const t = setInterval(() => {}, 1000);
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let c = 0;
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const sig = signal(
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Deno.Signal.SIGUSR1,
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Deno.Signal.SIGUSR2,
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Deno.Signal.SIGINT
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);
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setTimeout(async () => {
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await delay(20);
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Deno.kill(Deno.pid, Deno.Signal.SIGINT);
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await delay(20);
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Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
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await delay(20);
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Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
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await delay(20);
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Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
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await delay(20);
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Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
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await delay(20);
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Deno.kill(Deno.pid, Deno.Signal.SIGINT);
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await delay(20);
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sig.dispose();
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});
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for await (const _ of sig) {
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c += 1;
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}
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assertEquals(c, 6);
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clearTimeout(t);
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// Clear timeout clears interval, but interval promise is not
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// yet resolved, delay to next turn of event loop otherwise,
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// we'll be leaking resources.
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await delay(10);
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},
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});
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}
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