upstream/ipython Files · IPython/kernel/tests/test_twistedutil.py

Improvements to exception handling to transport structured tracebacks....

Improvements to exception handling to transport structured tracebacks. This code is still fairly hackish, but we're starting to get there. We still need to improve the api, because right now runlines() does way too much, and I had to set the exception state in a temporary private variable. But client-side things are working better, so we can continue fixing the kernel without bottlenecking Evan.

Brian Granger - - Load All Authors

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             test_twistedutil.py
        
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      #!/usr/bin/env python

      # encoding: utf-8

      #-----------------------------------------------------------------------------

      #  Copyright (C) 2008  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

      #-----------------------------------------------------------------------------

      # Tell nose to skip this module

      __test__ = {}

      import tempfile

      import os, sys

      from twisted.internet import reactor

      from twisted.trial import unittest

      from IPython.kernel.error import FileTimeoutError

      from IPython.kernel.twistedutil import wait_for_file

      #-----------------------------------------------------------------------------

      # Tests

      #-----------------------------------------------------------------------------

      class TestWaitForFile(unittest.TestCase):

          def test_delay(self):

              filename = tempfile.mktemp()

              def _create_file():

                  open(filename,'w').write('####')

              dcall = reactor.callLater(0.5, _create_file)

              d = wait_for_file(filename,delay=0.1)

              d.addCallback(lambda r: self.assert_(r))

              def _cancel_dcall(r):

                  if dcall.active():

                      dcall.cancel()

              d.addCallback(_cancel_dcall)

              return d

          def test_timeout(self):

              filename = tempfile.mktemp()

              d = wait_for_file(filename,delay=0.1,max_tries=1)

              d.addErrback(lambda f: self.assertRaises(FileTimeoutError,f.raiseException))

              return d

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				#!/usr/bin/env python
				# encoding: utf-8

				#-----------------------------------------------------------------------------
				# Copyright (C) 2008 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
				#-----------------------------------------------------------------------------

				# Tell nose to skip this module
				__test__ = {}

				import tempfile
				import os, sys

				from twisted.internet import reactor
				from twisted.trial import unittest

				from IPython.kernel.error import FileTimeoutError
				from IPython.kernel.twistedutil import wait_for_file

				#-----------------------------------------------------------------------------
				# Tests
				#-----------------------------------------------------------------------------

				class TestWaitForFile(unittest.TestCase):

				def test_delay(self):
				filename = tempfile.mktemp()
				def _create_file():
				open(filename,'w').write('####')
				dcall = reactor.callLater(0.5, _create_file)
				d = wait_for_file(filename,delay=0.1)
				d.addCallback(lambda r: self.assert_(r))
				def _cancel_dcall(r):
				if dcall.active():
				dcall.cancel()
				d.addCallback(_cancel_dcall)
				return d

				def test_timeout(self):
				filename = tempfile.mktemp()
				d = wait_for_file(filename,delay=0.1,max_tries=1)
				d.addErrback(lambda f: self.assertRaises(FileTimeoutError,f.raiseException))
				return d