upstream/ipython Files · IPython/nbformat/v2/tests/test_json.py

Proper error handling for nbformat versions in client code....

Proper error handling for nbformat versions in client code. 1. Users are warned when an older nbformat notebook is converted. 2. The notebook notifies the user when a notebook that is too new is attempted to load. To test these things, create a simple notebook. Then change its nbformat field by hand to 2 (to test 1) and then 4 (to test 2).

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             test_json.py
        
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      import pprint

      from unittest import TestCase

      from ..nbjson import reads, writes

      from .nbexamples import nb0

      class TestJSON(TestCase):

          def test_roundtrip(self):

              s = writes(nb0)

      #        print

      #        print pprint.pformat(nb0,indent=2)

      #        print

      #        print pprint.pformat(reads(s),indent=2)

      #        print

      #        print s

              self.assertEquals(reads(s),nb0)

          def test_roundtrip_nosplit(self):

              """Ensure that multiline blobs are still readable"""

              # ensures that notebooks written prior to splitlines change

              # are still readable.

              s = writes(nb0, split_lines=False)

              self.assertEquals(reads(s),nb0)

          def test_roundtrip_split(self):

              """Ensure that splitting multiline blocks is safe"""

              # This won't differ from test_roundtrip unless the default changes

              s = writes(nb0, split_lines=True)

              self.assertEquals(reads(s),nb0)

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				import pprint
				from unittest import TestCase

				from ..nbjson import reads, writes
				from .nbexamples import nb0


				class TestJSON(TestCase):

				def test_roundtrip(self):
				s = writes(nb0)
				# print
				# print pprint.pformat(nb0,indent=2)
				# print
				# print pprint.pformat(reads(s),indent=2)
				# print
				# print s
				self.assertEquals(reads(s),nb0)

				def test_roundtrip_nosplit(self):
				"""Ensure that multiline blobs are still readable"""
				# ensures that notebooks written prior to splitlines change
				# are still readable.
				s = writes(nb0, split_lines=False)
				self.assertEquals(reads(s),nb0)

				def test_roundtrip_split(self):
				"""Ensure that splitting multiline blocks is safe"""
				# This won't differ from test_roundtrip unless the default changes
				s = writes(nb0, split_lines=True)
				self.assertEquals(reads(s),nb0)