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TypeScript

import { describe, test, expect, beforeEach, afterEach } from 'bun:test';
import { WebhookServer } from '../../../src/server';
import { Metrics } from '../../../src/services/metrics';
import { initializeDatabase } from '../../../src/db';
import { Database } from 'bun:sqlite';
function toIso(d: Date): string {
return d.toISOString().replace('T', ' ').replace('Z', '');
}
const envBackup = { ...process.env };
let memdb: Database;
describe('/metrics y /health (detallado)', () => {
beforeEach(() => {
process.env = { ...envBackup, NODE_ENV: 'test', METRICS_ENABLED: 'true' };
Metrics.reset();
memdb = new Database(':memory:');
initializeDatabase(memdb);
(WebhookServer as any).dbInstance = memdb;
});
afterEach(() => {
process.env = envBackup;
try { memdb.close(); } catch {}
});
test('/metrics devuelve métricas en formato Prometheus', async () => {
// Sembrar algunas métricas
Metrics.set('last_sync_ok', 1);
Metrics.set('active_groups', 2);
Metrics.inc('webhook_events_total_messages_upsert', 3);
const res = await WebhookServer.handleRequest(new Request('http://localhost/metrics', { method: 'GET' }));
expect(res.status).toBe(200);
const body = await res.text();
expect(body).toContain('last_sync_ok');
expect(body).toContain('active_groups 2');
expect(body).toContain('webhook_events_total_messages_upsert 3');
expect(body).toContain('group_sync_seconds_until_next');
});
test('/health?full=1 devuelve JSON con contadores y snapshot', async () => {
// Insertar datos
memdb.exec(`INSERT INTO groups (id, community_id, name, active, last_verified) VALUES ('123@g.us','comm','Grupo 123',1, ?)`, toIso(new Date(Date.now() - 60_000)));
memdb.exec(`INSERT INTO users (id) VALUES ('34600123456')`);
memdb.exec(`INSERT INTO group_members (group_id, user_id, is_admin, is_active, first_seen_at, last_seen_at) VALUES ('123@g.us','34600123456',0,1,?,?)`,
toIso(new Date()), toIso(new Date()));
const res = await WebhookServer.handleRequest(new Request('http://localhost/health?full=1', { method: 'GET' }));
expect(res.status).toBe(200);
const json = await res.json();
expect(json.status).toBe('ok');
expect(typeof json.active_groups).toBe('number');
expect(typeof json.active_members).toBe('number');
// snapshot_age_ms debe ser null o un número >= 0
if (json.snapshot_age_ms !== null) {
expect(json.snapshot_age_ms).toBeGreaterThanOrEqual(0);
}
});
});