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Code Issues Packages 1 Wiki Activity

remove unnecessary delay in std/signal tests (#4703)

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Chris Knight 2020-04-11 03:03:41 +01:00 committed by GitHub
parent 2af9f5f2cf
commit 3e51e67f8a
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1 changed files with 64 additions and 68 deletions
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132
std/signal/test.ts
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@ -3,8 +3,10 @@ import { assertEquals, assertThrows } from "../testing/asserts.ts";
import { delay } from "../util/async.ts"; import { delay } from "../util/async.ts";
import { signal, onSignal } from "./mod.ts"; import { signal, onSignal } from "./mod.ts";
if (Deno.build.os !== "win") { test({
test("signal() throws when called with empty signals", (): void => { name: "signal() throws when called with empty signals",
ignore: Deno.build.os === "win",
fn() {
assertThrows( assertThrows(
() => { () => {
// @ts-ignore // @ts-ignore
@ -13,83 +15,77 @@ if (Deno.build.os !== "win") {
Error, Error,
"No signals are given. You need to specify at least one signal to create a signal stream." "No signals are given. You need to specify at least one signal to create a signal stream."
); );
}); },
});
test({ test({
name: "signal() iterates for multiple signals", name: "signal() iterates for multiple signals",
fn: async (): Promise<void> => { ignore: Deno.build.os === "win",
// This prevents the program from exiting. fn: async (): Promise<void> => {
const t = setInterval(() => {}, 1000); // This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let c = 0; let c = 0;
const sig = signal( const sig = signal(
Deno.Signal.SIGUSR1, Deno.Signal.SIGUSR1,
Deno.Signal.SIGUSR2, Deno.Signal.SIGUSR2,
Deno.Signal.SIGINT Deno.Signal.SIGINT
); );
setTimeout(async () => { setTimeout(async () => {
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20);
sig.dispose();
});
for await (const _ of sig) {
c += 1;
}
assertEquals(c, 6);
clearTimeout(t);
// Clear timeout clears interval, but interval promise is not
// yet resolved, delay to next turn of event loop otherwise,
// we'll be leaking resources.
await delay(10);
},
});
test({
name: "onSignal() registers and disposes of event handler",
async fn() {
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let calledCount = 0;
const handle = onSignal(Deno.Signal.SIGINT, () => {
calledCount++;
});
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20); await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT); Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20); await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR2); Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
await delay(20); await delay(20);
handle.dispose(); // stop monitoring SIGINT Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
await delay(20); await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR1); Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
await delay(20); await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT); Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20); await delay(20);
assertEquals(calledCount, 2); sig.dispose();
});
clearTimeout(t); for await (const _ of sig) {
// Clear timeout clears interval, but interval promise is not c += 1;
// yet resolved, delay to next turn of event loop otherwise, }
// we'll be leaking resources.
await delay(10); assertEquals(c, 6);
},
}); clearTimeout(t);
} },
});
test({
name: "onSignal() registers and disposes of event handler",
ignore: Deno.build.os === "win",
async fn() {
// This prevents the program from exiting.
const t = setInterval(() => {}, 1000);
let calledCount = 0;
const handle = onSignal(Deno.Signal.SIGINT, () => {
calledCount++;
});
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR2);
await delay(20);
handle.dispose(); // stop monitoring SIGINT
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGUSR1);
await delay(20);
Deno.kill(Deno.pid, Deno.Signal.SIGINT);
await delay(20);
assertEquals(calledCount, 2);
clearTimeout(t);
},
});