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"""Tests for the notebook kernel and session manager"""
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from subprocess import PIPE
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import time
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from unittest import TestCase
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from IPython.testing import decorators as dec
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from IPython.config.loader import Config
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from IPython.kernel import KernelManager
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class TestKernelManager(TestCase):
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def _get_tcp_km(self):
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c = Config()
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km = KernelManager(config=c)
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return km
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def _get_ipc_km(self):
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c = Config()
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c.KernelManager.transport = 'ipc'
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c.KernelManager.ip = 'test'
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km = KernelManager(config=c)
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return km
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def _run_lifecycle(self, km):
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km.start_kernel(stdout=PIPE, stderr=PIPE)
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self.assertTrue(km.is_alive())
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km.restart_kernel(now=True)
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self.assertTrue(km.is_alive())
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km.interrupt_kernel()
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self.assertTrue(isinstance(km, KernelManager))
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km.shutdown_kernel(now=True)
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def test_tcp_lifecycle(self):
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km = self._get_tcp_km()
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self._run_lifecycle(km)
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@dec.skip_win32
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def test_ipc_lifecycle(self):
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km = self._get_ipc_km()
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self._run_lifecycle(km)
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def test_get_connect_info(self):
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km = self._get_tcp_km()
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cinfo = km.get_connection_info()
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keys = sorted(cinfo.keys())
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expected = sorted([
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'ip', 'transport',
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'hb_port', 'shell_port', 'stdin_port', 'iopub_port', 'control_port',
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'key', 'signature_scheme',
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])
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self.assertEqual(keys, expected)
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