// script/lib/jest.js, which package.json's test scripts run, fails a run in
// which a test left an open handle, instead of hanging on it.

const { spawnSync } = require("child_process");
const path = require("path");

const root = path.join(__dirname, "..");

test("a test that leaves an interval running fails the run", () => {
    // The run ends about one second after its last test. Without the check in
    // script/lib/jest.js it would never end, and the timeout stops it.
    const result = spawnSync(
        process.execPath,
        [
            "script/lib/jest.js",
            "--runInBand",
            "--testMatch",
            "<rootDir>/tests/fixtures/leavesIntervalRunning.js",
        ],
        { cwd: root, encoding: "utf8", timeout: 20000 },
    );

    expect(result.signal).toBeNull();
    expect(result.status).toBe(1);
    expect(result.stderr).toContain("1 passed");
    expect(result.stderr).toContain(
        "a test left a timer or another open handle running",
    );
});