Function waitForCondition

test/utils/psTree.test.ts:12–26

(
    pid: number,
    condition: (children: any[]) => boolean,
    maxWaitMs = 3000,
)

// Helper to poll for a condition on process tree
async function waitForCondition(
    pid: number,
    condition: (children: any[]) => boolean,
    maxWaitMs = 3000,
): Promise<any[]> {
    const startTime = Date.now();
    while (Date.now() - startTime < maxWaitMs) {
        const children = await psTree(pid);
        if (condition(children)) {
            return children;
        }
        await new Promise((resolve) => setTimeout(resolve, 100));
    }
    return psTree(pid); // Final attempt
}

describe('psTree()', () => {
    test('Spawn a Parent process which has Ten Child Processes', async () => {