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67 lines
2.1 KiB
67 lines
2.1 KiB
"""Test the APIs at the top-level of nbformat"""
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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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import json
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import os
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import pathlib
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import sys
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import unittest
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from .base import TestsBase
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from ipython_genutils.tempdir import TemporaryDirectory
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from ..reader import get_version
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from nbformat import read, current_nbformat, writes, write
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class TestAPI(TestsBase):
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def test_read(self):
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"""Can older notebooks be opened and automatically converted to the current
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nbformat?"""
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# Open a version 2 notebook.
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with self.fopen(u'test2.ipynb', 'r') as f:
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nb = read(f, as_version=current_nbformat)
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# Check that the notebook was upgraded to the latest version automatically.
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(major, minor) = get_version(nb)
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self.assertEqual(major, current_nbformat)
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def test_write_downgrade_2(self):
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"""dowgrade a v3 notebook to v2"""
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# Open a version 3 notebook.
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with self.fopen(u'test3.ipynb', 'r') as f:
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nb = read(f, as_version=3)
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jsons = writes(nb, version=2)
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nb2 = json.loads(jsons)
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(major, minor) = get_version(nb2)
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self.assertEqual(major, 2)
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def test_read_write_path(self):
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"""read() and write() take filesystem paths"""
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path = os.path.join(self._get_files_path(), u'test4.ipynb')
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nb = read(path, as_version=4)
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with TemporaryDirectory() as td:
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dest = os.path.join(td, 'echidna.ipynb')
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write(nb, dest)
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assert os.path.isfile(dest)
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@unittest.skipIf(
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sys.version_info < (3, 6, 0),
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"python versions 3.5 and lower don't support opening pathlib.Path objects"
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)
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def test_read_write_pathlib_object(self):
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"""read() and write() take path-like objects such as pathlib objects"""
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path = pathlib.Path(self._get_files_path()) / u'test4.ipynb'
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nb = read(path, as_version=4)
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with TemporaryDirectory() as td:
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dest = pathlib.Path(td) / 'echidna.ipynb'
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write(nb, dest)
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assert os.path.isfile(dest)
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