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relocate redundantly-named kernel files...
relocate redundantly-named kernel files uses subpackages for different subclasses (blocking, ioloop)

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test_kernelmanager.py
54 lines | 1.7 KiB | text/x-python | PythonLexer
"""Tests for the notebook kernel and session manager"""
from subprocess import PIPE
import time
from unittest import TestCase
from IPython.testing import decorators as dec
from IPython.config.loader import Config
from IPython.kernel.kernelmanager import KernelManager
class TestKernelManager(TestCase):
def _get_tcp_km(self):
c = Config()
# c.KernelManager.autorestart=False
km = KernelManager(config=c)
return km
def _get_ipc_km(self):
c = Config()
c.KernelManager.transport = 'ipc'
c.KernelManager.ip = 'test'
# c.KernelManager.autorestart=False
km = KernelManager(config=c)
return km
def _run_lifecycle(self, km):
km.start_kernel(stdout=PIPE, stderr=PIPE)
self.assertTrue(km.is_alive())
km.start_channels(shell=True, iopub=False, stdin=False, hb=False)
km.restart_kernel()
self.assertTrue(km.is_alive())
# We need a delay here to give the restarting kernel a chance to
# restart. Otherwise, the interrupt will kill it, causing the test
# suite to hang. The reason it *hangs* is that the shutdown
# message for the restart sometimes hasn't been sent to the kernel.
# Because linger is oo on the shell channel, the context can't
# close until the message is sent to the kernel, which is not dead.
time.sleep(1.0)
km.interrupt_kernel()
self.assertTrue(isinstance(km, KernelManager))
km.shutdown_kernel()
km.shell_channel.stop()
def test_tcp_lifecycle(self):
km = self._get_tcp_km()
self._run_lifecycle(km)
@dec.skip_win32
def test_ipc_lifecycle(self):
km = self._get_ipc_km()
self._run_lifecycle(km)