130 lines
4.8 KiB
Python
130 lines
4.8 KiB
Python
import signal
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import time
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import psutil
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from catfish.project import Project
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from catfish.utils.processes import (
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find_running_process_for,
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is_process_running,
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terminate_processes,
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wait_for_process_terminate,
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)
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from catfish.worker import BASE_SOCKET_DIR
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from catfish.worker.server import PayloadType, read_logs_for_process, send_to_server
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from tests import BaseWorkerTestCase
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class WorkerServerTestCase(BaseWorkerTestCase):
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def test_ping(self):
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response = send_to_server(PayloadType.PING, {})
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self.assertEqual(response, {"ping": "pong"})
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class ProcessWorkerTestCase(BaseWorkerTestCase):
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def setUp(self):
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super().setUp()
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self.project = Project(self.EXAMPLE_DIR)
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self.process = self.project.get_process("bg")
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def test_server_creates_process(self):
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response = send_to_server(
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PayloadType.PROCESS,
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{"path": str(self.project.root), "process": str(self.process.name)},
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)
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self.assertTrue(is_process_running(response["pid"]))
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self.assertEqual(find_running_process_for(self.process).pid, response["pid"])
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def test_additional_environment(self):
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response = send_to_server(
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PayloadType.PROCESS,
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{"path": str(self.project.root), "process": str(self.process.name)},
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)
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env = psutil.Process(response["pid"]).environ()
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self.assertEqual(env["PYTHONUNBUFFERED"], "1")
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self.assertEqual(env["CATFISH_IDENT"], self.process.ident)
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self.assertEqual(env["FOO"], "bar")
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def test_additional_path(self):
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response = send_to_server(
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PayloadType.PROCESS,
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{"path": str(self.project.root), "process": str(self.process.name)},
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)
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env = psutil.Process(response["pid"]).environ()
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path_dirs = env["PATH"].split(":")
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for path in self.project.get_extra_path():
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self.assertIn(str(path), path_dirs)
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def test_process_restart(self):
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response = send_to_server(
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PayloadType.PROCESS,
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{"path": str(self.project.root), "process": str(self.process.name)},
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)
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initial_pid = response["pid"]
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psutil.Process(initial_pid).send_signal(signal.SIGHUP)
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wait_for_process_terminate(initial_pid)
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time.sleep(2)
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new_process = find_running_process_for(self.process)
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self.assertNotEqual(new_process.pid, initial_pid)
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self.assertFalse(is_process_running(initial_pid))
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self.assertTrue(is_process_running(new_process.pid))
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def test_process_restart_on_1_exit(self):
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response = send_to_server(
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PayloadType.PROCESS, {"path": str(self.project.root), "process": "die"}
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)
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initial_pid = response["pid"]
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wait_for_process_terminate(initial_pid)
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time.sleep(2)
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new_process = find_running_process_for(self.project.get_process("die"))
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self.assertNotEqual(new_process.pid, initial_pid)
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self.assertFalse(is_process_running(initial_pid))
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self.assertTrue(is_process_running(new_process.pid))
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def test_process_restart_on_0_exit(self):
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response = send_to_server(
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PayloadType.PROCESS, {"path": str(self.project.root), "process": "exit"}
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)
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initial_pid = response["pid"]
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wait_for_process_terminate(initial_pid)
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time.sleep(2)
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new_process = find_running_process_for(self.project.get_process("exit"))
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self.assertNotEqual(new_process.pid, initial_pid)
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self.assertFalse(is_process_running(initial_pid))
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self.assertTrue(is_process_running(new_process.pid))
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def test_process_terminate(self):
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response = send_to_server(
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PayloadType.PROCESS,
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{"path": str(self.project.root), "process": str(self.process.name)},
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)
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initial_pid = response["pid"]
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terminate_processes([psutil.Process(initial_pid)])
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wait_for_process_terminate(initial_pid)
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time.sleep(2)
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self.assertIsNone(find_running_process_for(self.process))
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self.assertFalse(is_process_running(initial_pid))
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class ProcessLogsTestCase(BaseWorkerTestCase):
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def setUp(self):
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super().setUp()
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self.project = Project(self.EXAMPLE_DIR)
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self.process = self.project.get_process("bg")
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def test_creates_socket(self):
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send_to_server(
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PayloadType.PROCESS,
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{"path": str(self.project.root), "process": str(self.process.name)},
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)
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stdout_socket = BASE_SOCKET_DIR.joinpath(self.process.logs_socket)
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self.assertTrue(stdout_socket.exists())
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def test_gets_logs(self):
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send_to_server(
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PayloadType.PROCESS,
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{"path": str(self.project.root), "process": str(self.process.name)},
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)
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stdout_iter = read_logs_for_process(self.process)
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for i in range(3):
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self.assertEqual(next(stdout_iter), "Round {}".format(i))
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