import { describe, it, expect } from 'vitest';
import { readFileSync, readdirSync } from 'fs';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
function getTypeScriptFiles(dir: string): string[] {
const files: string[] = [];
for (const entry of readdirSync(dir, { withFileTypes: true })) {
const path = join(dir, entry.name);
if (entry.isDirectory()) files.push(...getTypeScriptFiles(path));
else if (entry.name.endsWith('.ts')) files.push(path);
}
return files;
}
describe('Singleton Architecture', () => {
it('has exactly one Semaphore instantiation, in config/runtime.ts', () => {
const srcDir = join(__dirname, '../../src');
const files = getTypeScriptFiles(srcDir);
const instantiations: string[] = [];
for (const file of files) {
const content = readFileSync(file, 'utf-8');
if (/new\s+Semaphore\s*\(/.test(content)) {
instantiations.push(file);
}
}
expect(instantiations).toHaveLength(1);
expect(instantiations[0]).toContain('config/runtime.ts');
});
});
