import { describe, expect, it } from 'vitest';
import { validateEvent } from './eventValidation';
describe('event validation', () => {
  it.each([
    [{}, 'Unsupported event schema'],
    [{ schemaVersion: 1 }, 'Missing envelope identity'],
    [{ schemaVersion: 1, eventId: 'a', streamId: 's', entity: {}, sequence: -1 }, 'Invalid monotonic sequence'],
  ])('rejects malformed envelopes', (value, reason) => expect(validateEvent(value)).toEqual({ valid: false, reason }));
});