Uploaded Test files

venv/Lib/site-packages/nbformat/tests/test_api.py

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