upstream/ipython Files · IPython/nbconvert/writers/tests/test_debug.py

Make comm manager (mostly) independent of InteractiveShell...

Make comm manager (mostly) independent of InteractiveShell This makes it possible to use comms from wrapper kernels, without instantiating the full IPython shell machinery. The one remaining place where we need a reference to shell is to fire pre_execute and post_execute hooks (which are needed to get mpl figures right). This is a pure IPythonism, that it should be safe to ignore if shell is not set.

Thomas Kluyver - - Load All Authors

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             test_debug.py
        
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      """

      Module with tests for debug

      """

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

      # 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

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

      import sys

      from ...tests.base import TestsBase

      from ..debug import DebugWriter

      from IPython.utils.py3compat import PY3

      if PY3:

          from io import StringIO

      else:

          from StringIO import StringIO

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

      # Class

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

      class TestDebug(TestsBase):

          """Contains test functions for debug.py"""

          def test_output(self):

              """Test debug writer output."""

              # Capture the stdout.  Remember original.

              stdout = sys.stdout

              stream = StringIO()

              sys.stdout = stream

              # Create stdout writer, get output

              writer = DebugWriter()

              writer.write('aaa', {'outputs': {'bbb': 'ccc'}})

              output = stream.getvalue()

              # Check output.  Make sure resources dictionary is dumped, but nothing

              # else.

              assert 'aaa' not in output

              assert 'bbb' in output

              assert 'ccc' in output

              # Revert stdout

              sys.stdout = stdout

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				"""
				Module with tests for debug
				"""

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

				import sys

				from ...tests.base import TestsBase
				from ..debug import DebugWriter
				from IPython.utils.py3compat import PY3

				if PY3:
				from io import StringIO
				else:
				from StringIO import StringIO


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

				class TestDebug(TestsBase):
				"""Contains test functions for debug.py"""

				def test_output(self):
				"""Test debug writer output."""

				# Capture the stdout. Remember original.
				stdout = sys.stdout
				stream = StringIO()
				sys.stdout = stream

				# Create stdout writer, get output
				writer = DebugWriter()
				writer.write('aaa', {'outputs': {'bbb': 'ccc'}})
				output = stream.getvalue()

				# Check output. Make sure resources dictionary is dumped, but nothing
				# else.
				assert 'aaa' not in output
				assert 'bbb' in output
				assert 'ccc' in output

				# Revert stdout
				sys.stdout = stdout