##// END OF EJS Templates
in %edit, don't save "last_call" unless last call succeeded...
in %edit, don't save "last_call" unless last call succeeded avoids failing calls to `%edit` from killing future `%edit -p` closes #2466

File last commit:

r8481:6632e6c3
r9189:f2abc0f5
Show More
test_kernelmanager.py
102 lines | 3.7 KiB | text/x-python | PythonLexer
#-------------------------------------------------------------------------------
# Copyright (C) 2012 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-------------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from __future__ import print_function
# Standard library imports
import unittest
# Local imports
from IPython.inprocess.blockingkernelmanager import \
BlockingInProcessKernelManager
from IPython.inprocess.ipkernel import InProcessKernel
#-----------------------------------------------------------------------------
# Test case
#-----------------------------------------------------------------------------
class InProcessKernelManagerTestCase(unittest.TestCase):
def test_inteface(self):
""" Does the in-process kernel manager implement the basic KM interface?
"""
km = BlockingInProcessKernelManager()
self.assert_(not km.channels_running)
self.assert_(not km.has_kernel)
km.start_channels()
self.assert_(km.channels_running)
km.start_kernel()
self.assert_(km.has_kernel)
self.assert_(km.kernel is not None)
old_kernel = km.kernel
km.restart_kernel()
self.assert_(km.kernel is not None)
self.assertNotEquals(km.kernel, old_kernel)
km.shutdown_kernel()
self.assert_(not km.has_kernel)
self.assertRaises(NotImplementedError, km.interrupt_kernel)
self.assertRaises(NotImplementedError, km.signal_kernel, 9)
km.stop_channels()
self.assert_(not km.channels_running)
def test_execute(self):
""" Does executing code in an in-process kernel work?
"""
km = BlockingInProcessKernelManager()
km.start_kernel()
km.shell_channel.execute('foo = 1')
self.assertEquals(km.kernel.shell.user_ns['foo'], 1)
def test_complete(self):
""" Does requesting completion from an in-process kernel work?
"""
km = BlockingInProcessKernelManager()
km.start_kernel()
km.kernel.shell.push({'my_bar': 0, 'my_baz': 1})
km.shell_channel.complete('my_ba', 'my_ba', 5)
msg = km.shell_channel.get_msg()
self.assertEquals(msg['header']['msg_type'], 'complete_reply')
self.assertEquals(sorted(msg['content']['matches']),
['my_bar', 'my_baz'])
def test_object_info(self):
""" Does requesting object information from an in-process kernel work?
"""
km = BlockingInProcessKernelManager()
km.start_kernel()
km.kernel.shell.user_ns['foo'] = 1
km.shell_channel.object_info('foo')
msg = km.shell_channel.get_msg()
self.assertEquals(msg['header']['msg_type'], 'object_info_reply')
self.assertEquals(msg['content']['name'], 'foo')
self.assertEquals(msg['content']['type_name'], 'int')
def test_history(self):
""" Does requesting history from an in-process kernel work?
"""
km = BlockingInProcessKernelManager()
km.start_kernel()
km.shell_channel.execute('%who')
km.shell_channel.history(hist_access_type='tail', n=1)
msg = km.shell_channel.get_msgs()[-1]
self.assertEquals(msg['header']['msg_type'], 'history_reply')
history = msg['content']['history']
self.assertEquals(len(history), 1)
self.assertEquals(history[0][2], '%who')
if __name__ == '__main__':
unittest.main()