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

Fix race condition in javascript kernel message processing...

Fix race condition in javascript kernel message processing Because the binary messages are now deserialized using the asynchronous FileReader API, we need to have some way to force the messages to still be processed in the order they are received. This patch implements a simple processing queue using promises.

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             test_notebook.py
        
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      """Tests for notebook.py"""

      # Copyright (c) IPython Development Team.

      # Distributed under the terms of the Modified BSD License.

      import json

      from .base import ExportersTestsBase

      from ..notebook import NotebookExporter

      from IPython.nbformat import validate

      from IPython.testing.tools import assert_big_text_equal

      class TestNotebookExporter(ExportersTestsBase):

          """Contains test functions for notebook.py"""

          exporter_class = NotebookExporter

          def test_export(self):

              """

              Does the NotebookExporter return the file unchanged?

              """

              with open(self._get_notebook()) as f:

                  file_contents = f.read()

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

              assert len(output) > 0

              assert_big_text_equal(output, file_contents)

          def test_downgrade_3(self):

              exporter = self.exporter_class(nbformat_version=3)

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

              nb = json.loads(output)

              validate(nb)

          def test_downgrade_2(self):

              exporter = self.exporter_class(nbformat_version=2)

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

              nb = json.loads(output)

              self.assertEqual(nb['nbformat'], 2)

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				"""Tests for notebook.py"""

				# Copyright (c) IPython Development Team.
				# Distributed under the terms of the Modified BSD License.

				import json

				from .base import ExportersTestsBase
				from ..notebook import NotebookExporter

				from IPython.nbformat import validate
				from IPython.testing.tools import assert_big_text_equal

				class TestNotebookExporter(ExportersTestsBase):
				"""Contains test functions for notebook.py"""

				exporter_class = NotebookExporter

				def test_export(self):
				"""
				Does the NotebookExporter return the file unchanged?
				"""
				with open(self._get_notebook()) as f:
				file_contents = f.read()
				(output, resources) = self.exporter_class().from_filename(self._get_notebook())
				assert len(output) > 0
				assert_big_text_equal(output, file_contents)

				def test_downgrade_3(self):
				exporter = self.exporter_class(nbformat_version=3)
				(output, resources) = exporter.from_filename(self._get_notebook())
				nb = json.loads(output)
				validate(nb)

				def test_downgrade_2(self):
				exporter = self.exporter_class(nbformat_version=2)
				(output, resources) = exporter.from_filename(self._get_notebook())
				nb = json.loads(output)
				self.assertEqual(nb['nbformat'], 2)