import path from 'node:path';
import { defineConfig } from 'vitest/config';

/**
 * Vykonove testy (`npm run test:perf`). Bezi zvlast od `npm test`:
 * stavi si desetitisice zaznamu, trvaji desitky sekund a jejich rozpocty
 * zavisi na stroji. V beznem behu by jen zdrzovaly a obcas padaly.
 *
 * Soubory jdou **po jednom** (`fileParallelism: false`): dva merici testy
 * vedle sebe by si braly procesor a cisla by nesla srovnat.
 */

/** Priprava dat trva dele nez bezny test, proto vyssi stropy. */
const PERF_TEST_TIMEOUT_MS = 120_000;
const PERF_HOOK_TIMEOUT_MS = 120_000;

export default defineConfig({
  test: {
    include: ['tests/perf/**/*.test.ts'],
    environment: 'node',
    setupFiles: ['tests/setup.ts'],
    isolate: true,
    fileParallelism: false,
    testTimeout: PERF_TEST_TIMEOUT_MS,
    hookTimeout: PERF_HOOK_TIMEOUT_MS,
  },
  resolve: {
    alias: {
      '@shared': path.resolve(import.meta.dirname, 'src/shared'),
    },
  },
});