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