import { describe, expect, test } from 'vitest';
import { protocolDisplayLabel, protocolSourceLabel } from './protocols';

describe('protocol display vocabulary', () => {
  test('uses one user-facing label for every supported vehicle protocol', () => {
    expect(protocolDisplayLabel('GB32960')).toBe('GB/T 32960');
    expect(protocolDisplayLabel('JT808')).toBe('JT/T 808');
    expect(protocolDisplayLabel('YUTONG_MQTT')).toBe('宇通 MQTT');
  });

  test('keeps unknown protocols intact and explains qualified sources', () => {
    expect(protocolDisplayLabel('CUSTOM')).toBe('CUSTOM');
    expect(protocolSourceLabel('YUTONG_MQTT:canonical')).toBe('宇通 MQTT · canonical');
    expect(protocolSourceLabel('CUSTOM:gateway')).toBe('CUSTOM:gateway');
  });
});