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

/**
 * Testy serveru lezi v `tests/` se stejnou cestou jako testovany modul
 * (`tests/data/permissions.test.ts` testuje `src/data/permissions.ts`).
 * Bezi v Node, bez databaze a bez site: co potrebuje ven, dostane vstrikle.
 */
export default defineConfig({
  test: {
    include: ['tests/**/*.test.ts'],
    // Vykonove testy maji vlastni beh (`npm run test:perf`, vitest.perf.config.ts):
    // stavi desetitisice zaznamu a jejich rozpocty zavisi na stroji.
    exclude: [...configDefaults.exclude, 'tests/perf/**'],
    environment: 'node',
    // Promenne prostredi pro rezim pameti, viz tests/setup.ts.
    setupFiles: ['tests/setup.ts'],
    // Testy sdileji proces, ale kazdy soubor si drzi vlastni kopie ulozist.
    isolate: true,
  },
  resolve: {
    alias: {
      '@shared': path.resolve(import.meta.dirname, 'src/shared'),
    },
  },
});