upstream/ipython Files · IPython/nbconvert/exporters/tests/test_python.py

avoid race condition when deleting/starting sessions...

avoid race condition when deleting/starting sessions javascript doesn't guarantee the order of AJAX requests, so we give `Session.delete` and `Kernel.kill` a callback signature. Changing the kernel type calls `Notebook.start_kernel`, which terminates the previous session, if defined, before starting the new one. A flag is stored, to prevent multiple simultaneous attempts to start sessions, raising a SessionAlreadyStarting Error, preventing the spec_changed event from firing.

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             test_python.py
        
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             / IPython / nbconvert / exporters / tests / test_python.py
          
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      """Tests for PythonExporter"""

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

      # Copyright (c) 2013, the IPython Development Team.

      #

      # Distributed under the terms of the Modified BSD License.

      #

      # The full license is in the file COPYING.txt, distributed with this software.

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

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

      # Imports

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

      from .base import ExportersTestsBase

      from ..python import PythonExporter

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

      # Class

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

      class TestPythonExporter(ExportersTestsBase):

          """Tests for PythonExporter"""

          exporter_class = PythonExporter

          should_include_raw = ['python']

          def test_constructor(self):

              """

              Can a PythonExporter be constructed?

              """

              PythonExporter()

          def test_export(self):

              """

              Can a PythonExporter export something?

              """

              (output, resources) = PythonExporter().from_filename(self._get_notebook())

              assert len(output) > 0

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				"""Tests for PythonExporter"""

				#-----------------------------------------------------------------------------
				# Copyright (c) 2013, the IPython Development Team.
				#
				# Distributed under the terms of the Modified BSD License.
				#
				# The full license is in the file COPYING.txt, distributed with this software.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Imports
				#-----------------------------------------------------------------------------

				from .base import ExportersTestsBase
				from ..python import PythonExporter

				#-----------------------------------------------------------------------------
				# Class
				#-----------------------------------------------------------------------------

				class TestPythonExporter(ExportersTestsBase):
				"""Tests for PythonExporter"""

				exporter_class = PythonExporter
				should_include_raw = ['python']

				def test_constructor(self):
				"""
				Can a PythonExporter be constructed?
				"""
				PythonExporter()


				def test_export(self):
				"""
				Can a PythonExporter export something?
				"""
				(output, resources) = PythonExporter().from_filename(self._get_notebook())
				assert len(output) > 0