2022-05-23 00:16:32 +04:00

95 lines
3.0 KiB
Python

"""Tests for the KernelClient"""
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import os
from unittest import TestCase
import pytest
from IPython.utils.capture import capture_output
from ..manager import start_new_kernel
from .utils import test_env
from jupyter_client.kernelspec import KernelSpecManager
from jupyter_client.kernelspec import NATIVE_KERNEL_NAME
from jupyter_client.kernelspec import NoSuchKernel
TIMEOUT = 30
pjoin = os.path.join
class TestKernelClient(TestCase):
def setUp(self):
self.env_patch = test_env()
self.env_patch.start()
self.addCleanup(self.env_patch.stop)
try:
KernelSpecManager().get_kernel_spec(NATIVE_KERNEL_NAME)
except NoSuchKernel:
pytest.skip()
self.km, self.kc = start_new_kernel(kernel_name=NATIVE_KERNEL_NAME)
def tearDown(self):
self.env_patch.stop()
self.km.shutdown_kernel()
self.kc.stop_channels()
return super().tearDown()
def test_execute_interactive(self):
kc = self.kc
with capture_output() as io:
reply = kc.execute_interactive("print('hello')", timeout=TIMEOUT)
assert "hello" in io.stdout
assert reply["content"]["status"] == "ok"
def _check_reply(self, reply_type, reply):
self.assertIsInstance(reply, dict)
self.assertEqual(reply["header"]["msg_type"], reply_type + "_reply")
self.assertEqual(reply["parent_header"]["msg_type"], reply_type + "_request")
def test_history(self):
kc = self.kc
msg_id = kc.history(session=0)
self.assertIsInstance(msg_id, str)
reply = kc.history(session=0, reply=True, timeout=TIMEOUT)
self._check_reply("history", reply)
def test_inspect(self):
kc = self.kc
msg_id = kc.inspect("who cares")
self.assertIsInstance(msg_id, str)
reply = kc.inspect("code", reply=True, timeout=TIMEOUT)
self._check_reply("inspect", reply)
def test_complete(self):
kc = self.kc
msg_id = kc.complete("who cares")
self.assertIsInstance(msg_id, str)
reply = kc.complete("code", reply=True, timeout=TIMEOUT)
self._check_reply("complete", reply)
def test_kernel_info(self):
kc = self.kc
msg_id = kc.kernel_info()
self.assertIsInstance(msg_id, str)
reply = kc.kernel_info(reply=True, timeout=TIMEOUT)
self._check_reply("kernel_info", reply)
def test_comm_info(self):
kc = self.kc
msg_id = kc.comm_info()
self.assertIsInstance(msg_id, str)
reply = kc.comm_info(reply=True, timeout=TIMEOUT)
self._check_reply("comm_info", reply)
def test_shutdown(self):
kc = self.kc
reply = kc.shutdown(reply=True, timeout=TIMEOUT)
self._check_reply("shutdown", reply)
def test_shutdown_id(self):
kc = self.kc
msg_id = kc.shutdown()
self.assertIsInstance(msg_id, str)