aws-cdk/test/util/parallel.test.js

CDK Toolkit, the command line tool for CDK apps

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const parallel_1 = require("../../lib/util/parallel");
const util_1 = require("../util");
test('parallelPromises', async () => {
    const N = 4;
    const J = 100;
    let jobsDone = 0;
    let concurrent = 0;
    let maxConcurrent = 0;
    const jobs = range(J).map(() => async () => {
        concurrent += 1;
        maxConcurrent = Math.max(concurrent, maxConcurrent);
        await (0, util_1.sleep)(Math.round(Math.random() * 100));
        concurrent -= 1;
        jobsDone += 1;
    });
    await (0, parallel_1.parallelPromises)(N, jobs);
    expect(maxConcurrent).toBeLessThanOrEqual(N);
    expect(maxConcurrent).toBeGreaterThan(1);
    expect(jobsDone).toEqual(J);
});
function range(n) {
    const ret = new Array();
    for (let i = 0; i < n; i++) {
        ret.push(i);
    }
    return ret;
}
//# sourceMappingURL=data:application/json;base64,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