const http = require('http');
const LC = require('../src/client');

describe('λ-calculator', () => {
  let challenger, port;

  beforeEach((done) => {
    challenger = http.createServer();
    challenger.listen(0, () => {
      port = challenger.address().port;
      done();
    });
  });

  afterEach((done) => {
    challenger.close(() => done());
  });

  it('registers to challenger', () => {
    challenger.on('request', (request, response) => {
      expect(request.method).toBe('POST');
      expect(request.url).toBe('/api/register');
      expect(request.headers).toHaveProperty('content-type', 'application/json;charset=utf-8');

      let payload = '';
      request.on('data', (d) => (payload += d));
      request.on('end', () => {
        expect(payload).toEqual('"John Smith"');
      });

      response.end('SomeToken');
    });

    const client = LC.newClient({
      playerName: 'John Smith',
      challengerURL: `http://localhost:${port}`,
    });
    return client.start()
      .then((token) => expect(token).toBe('SomeToken'));
  });
});