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"""Tests for nbformat.convert"""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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from .base import TestsBase
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from ..converter import convert
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from ..reader import read, get_version
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from .. import current_nbformat
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class TestConvert(TestsBase):
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def test_downgrade_3_2(self):
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"""Do notebook downgrades work?"""
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# Open a version 3 notebook and attempt to downgrade it to version 2.
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with self.fopen(u'test3.ipynb', u'r') as f:
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nb = read(f)
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nb = convert(nb, 2)
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# Check if downgrade was successful.
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(major, minor) = get_version(nb)
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self.assertEqual(major, 2)
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def test_upgrade_2_3(self):
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"""Do notebook upgrades work?"""
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# Open a version 2 notebook and attempt to upgrade it to version 3.
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with self.fopen(u'test2.ipynb', u'r') as f:
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nb = read(f)
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nb = convert(nb, 3)
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# Check if upgrade was successful.
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(major, minor) = get_version(nb)
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self.assertEqual(major, 3)
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def test_open_current(self):
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"""Can an old notebook be opened and converted to the current version
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while remembering the original version of the notebook?"""
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# Open a version 2 notebook and attempt to upgrade it to the current version
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# while remembering it's version information.
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with self.fopen(u'test2.ipynb', u'r') as f:
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nb = read(f)
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(original_major, original_minor) = get_version(nb)
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nb = convert(nb, current_nbformat)
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# Check if upgrade was successful.
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(major, minor) = get_version(nb)
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self.assertEqual(major, current_nbformat)
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# Check if the original major revision was remembered.
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self.assertEqual(original_major, 2)
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