/usr/lib/python3/dist-packages/ipykernel/inprocess/tests/test_kernelmanager.py is in python3-ipykernel 4.8.2-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | # Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
from __future__ import print_function
import unittest
from ipykernel.inprocess.blocking import BlockingInProcessKernelClient
from ipykernel.inprocess.manager import InProcessKernelManager
#-----------------------------------------------------------------------------
# Test case
#-----------------------------------------------------------------------------
class InProcessKernelManagerTestCase(unittest.TestCase):
def setUp(self):
self.km = InProcessKernelManager()
def tearDown(self):
if self.km.has_kernel:
self.km.shutdown_kernel()
def test_interface(self):
""" Does the in-process kernel manager implement the basic KM interface?
"""
km = self.km
assert not km.has_kernel
km.start_kernel()
assert km.has_kernel
assert km.kernel is not None
kc = km.client()
assert not kc.channels_running
kc.start_channels()
assert kc.channels_running
old_kernel = km.kernel
km.restart_kernel()
self.assertIsNotNone(km.kernel)
assert km.kernel != old_kernel
km.shutdown_kernel()
assert not km.has_kernel
self.assertRaises(NotImplementedError, km.interrupt_kernel)
self.assertRaises(NotImplementedError, km.signal_kernel, 9)
kc.stop_channels()
assert not kc.channels_running
def test_execute(self):
""" Does executing code in an in-process kernel work?
"""
km = self.km
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
kc.execute('foo = 1')
assert km.kernel.shell.user_ns['foo'] == 1
def test_complete(self):
""" Does requesting completion from an in-process kernel work?
"""
km = self.km
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
km.kernel.shell.push({'my_bar': 0, 'my_baz': 1})
kc.complete('my_ba', 5)
msg = kc.get_shell_msg()
assert msg['header']['msg_type'] == 'complete_reply'
self.assertEqual(sorted(msg['content']['matches']),
['my_bar', 'my_baz'])
def test_inspect(self):
""" Does requesting object information from an in-process kernel work?
"""
km = self.km
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
km.kernel.shell.user_ns['foo'] = 1
kc.inspect('foo')
msg = kc.get_shell_msg()
assert msg['header']['msg_type'] == 'inspect_reply'
content = msg['content']
assert content['found']
text = content['data']['text/plain']
self.assertIn('int', text)
def test_history(self):
""" Does requesting history from an in-process kernel work?
"""
km = self.km
km.start_kernel()
kc = km.client()
kc.start_channels()
kc.wait_for_ready()
kc.execute('1')
kc.history(hist_access_type='tail', n=1)
msg = kc.shell_channel.get_msgs()[-1]
assert msg['header']['msg_type'] == 'history_reply'
history = msg['content']['history']
assert len(history) == 1
assert history[0][2] == '1'
if __name__ == '__main__':
unittest.main()
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