def test_simple(self):
server = HttpServer(hello_app)
server.listen(('localhost', 0))
port = server.transport.getsockname()[1]
client = HttpClient()
client.connect(('localhost', port))
client.request('GET', '/')
response = client.getresponse()
assert response.version == (1, 1)
assert response.status == 200
server = response.get_header('Server')
assert server.startswith('gruvi.http')
ctype = response.get_header('Content-Type')
assert ctype == 'text/plain'
assert response.read() == b'Hello!'
