import { describe, expect, it } from 'bun:test';
import { resolveServeSecret } from './subscribers-serve';

describe('resolveServeSecret', () => {
  it('prefers the --secret flag over the environment', () => {
    expect(resolveServeSecret({ secret: 'flag-secret' }, { CELILO_BUS_SECRET: 'env-secret' })).toBe(
      'flag-secret',
    );
  });

  it('falls back to CELILO_BUS_SECRET when the flag is absent', () => {
    expect(resolveServeSecret({}, { CELILO_BUS_SECRET: 'env-secret' })).toBe('env-secret');
  });

  it('ignores an empty env value', () => {
    expect(resolveServeSecret({}, { CELILO_BUS_SECRET: '' })).toBeNull();
  });

  it('returns null when neither source has a secret', () => {
    expect(resolveServeSecret({}, {})).toBeNull();
  });
});