import {describe, it} from 'node:test';
import fc from 'fast-check';
import assert from 'node:assert';
import {ToolExecutionScheduler} from '../../src/utils/ToolExecutionScheduler.js';
describe('Property 32: Concurrent Tool Calls', () => {
it('independent read-only calls can complete in parallel', async () => {
await fc.assert(
fc.asyncProperty(fc.integer({min: 2, max: 6}), async n => {
const scheduler = new ToolExecutionScheduler();
const start = Date.now();
await Promise.all(
Array.from({length: n}, () =>
scheduler.execute(true, async () => new Promise(resolve => setTimeout(resolve, 20))),
),
);
const elapsed = Date.now() - start;
// Keep a generous upper bound to avoid CI/environment scheduling jitter.
assert.ok(elapsed < 1200);
}),
{numRuns: 30},
);
});
});
