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- """Tests for nbformat.convert"""
- # Copyright (c) IPython Development Team.
- # Distributed under the terms of the Modified BSD License.
- from .base import TestsBase
- from ..converter import convert
- from ..reader import read, get_version
- from ..validator import isvalid, validate
- from .. import current_nbformat
- class TestConvert(TestsBase):
- def test_downgrade_3_2(self):
- """Do notebook downgrades work?"""
- # Open a version 3 notebook and attempt to downgrade it to version 2.
- with self.fopen(u'test3.ipynb', u'r') as f:
- nb = read(f)
- nb = convert(nb, 2)
- # Check if downgrade was successful.
- (major, minor) = get_version(nb)
- self.assertEqual(major, 2)
- def test_upgrade_2_3(self):
- """Do notebook upgrades work?"""
- # Open a version 2 notebook and attempt to upgrade it to version 3.
- with self.fopen(u'test2.ipynb', u'r') as f:
- nb = read(f)
- nb = convert(nb, 3)
- # Check if upgrade was successful.
- (major, minor) = get_version(nb)
- self.assertEqual(major, 3)
- def test_upgrade_downgrade_4_3_4(self):
- """Test that a v4 notebook downgraded to v3 and then upgraded to v4
- passes validation tests"""
- with self.fopen(u'test4.ipynb', u'r') as f:
- nb = read(f)
- validate(nb)
- nb = convert(nb, 3)
- validate(nb)
- nb = convert(nb, 4)
- self.assertEqual(isvalid(nb), True)
- def test_open_current(self):
- """Can an old notebook be opened and converted to the current version
- while remembering the original version of the notebook?"""
- # Open a version 2 notebook and attempt to upgrade it to the current version
- # while remembering it's version information.
- with self.fopen(u'test2.ipynb', u'r') as f:
- nb = read(f)
- (original_major, original_minor) = get_version(nb)
- nb = convert(nb, current_nbformat)
- # Check if upgrade was successful.
- (major, minor) = get_version(nb)
- self.assertEqual(major, current_nbformat)
- # Check if the original major revision was remembered.
- self.assertEqual(original_major, 2)
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