def test_recv(self, mock_socket):
conn = TcpConnection('localhost', 2000)
conn.open()
conn.recv(20)
conn.socket.recv.assert_called_once_with(20)
def test_recv(self, mock_socket):
conn = TcpConnection('localhost', 2000)
conn.open()
conn.recv(20)
conn.socket.recv.assert_called_once_with(20)
