This is the template project that's checked out and configured when you run the bando-up command from ljsthw-bandolier. This is where the code really lives.
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bandolier-template/tests/client/helpers.js

48 lines
958 B

import test from "ava";
import { Mutex } from "../../client/helpers.js";
import crypto from "crypto";
const rand = (min, max) => crypto.randomInt(min, max);
const lock = new Mutex();
test("quick helpers test", async (t) => {
const wait_count = rand(0, 50);
await lock.hold();
setTimeout(() => {
lock.release();
}, rand(100, 300));
const tests = [];
for(let i = 0; i < wait_count; i++) {
let t = (async () => {
await lock.hold();
setTimeout(() => {
console.debug(`lock ${i} releasing, queue length: ${lock.count}`);
lock.release();
}, rand(0, 100));
return true;
})();
tests.push(t);
}
let interval = setInterval(async () => {
// grabbing another lock
const test = await lock.attempt();
if(test === true) {
lock.release();
clearInterval(interval);
}
}, rand(0, 300));
const all = await Promise.all(tests);
t.is(all.length, wait_count);
})