from catfish.utils.processes import is_process_running
from catfish.utils.sockets import stdout_socket_for_pid
from catfish.worker.server import PayloadType, read_from_stdout_socket, send_to_server
from tests import BaseWorkerTestCase


class WorkerServerTestCase(BaseWorkerTestCase):
    def test_server_creates_process(self):
        response = send_to_server(PayloadType.PROCESS, {"command": str(self.DUMMY_EXE)})
        self.assertTrue(is_process_running(response["pid"]))

    def test_ping(self):
        response = send_to_server(PayloadType.PING, {})
        self.assertEqual(response, {"ping": "pong"})


class ProcessLogsTestCase(BaseWorkerTestCase):
    def test_creates_socket(self):
        response = send_to_server(PayloadType.PROCESS, {"command": str(self.DUMMY_EXE)})
        stdout_socket = stdout_socket_for_pid(response["pid"])
        self.assertTrue(stdout_socket.exists())

    def test_gets_logs(self):
        response = send_to_server(PayloadType.PROCESS, {"command": str(self.DUMMY_EXE)})
        stdout_socket = stdout_socket_for_pid(response["pid"])
        stdout_iter = read_from_stdout_socket(stdout_socket)
        for i in range(3):
            self.assertEqual(next(stdout_iter), "Round {}".format(i))