first commit

.venv/Lib/site-packages/nbconvert/utils/tests/test_io.py

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+"""Tests for utils.io"""
+
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+import io as stdlib_io
+import sys
+from io import StringIO
+
+from ..io import unicode_std_stream
+
+
+def test_UnicodeStdStream():
+    # Test wrapping a bytes-level stdout
+    stdoutb = stdlib_io.BytesIO()
+    stdout = stdlib_io.TextIOWrapper(stdoutb, encoding="ascii")
+
+    orig_stdout = sys.stdout
+    sys.stdout = stdout
+    try:
+        sample = "@łe¶ŧ←"
+        unicode_std_stream().write(sample)
+
+        output = stdoutb.getvalue().decode("utf-8")
+        assert output == sample
+        assert not stdout.closed
+    finally:
+        sys.stdout = orig_stdout
+
+
+def test_UnicodeStdStream_nowrap():
+    # If we replace stdout with a StringIO, it shouldn't get wrapped.
+    orig_stdout = sys.stdout
+    sys.stdout = StringIO()
+    try:
+        assert unicode_std_stream() is sys.stdout
+        assert not sys.stdout.closed
+    finally:
+        sys.stdout = orig_stdout

.venv/Lib/site-packages/nbconvert/utils/tests/test_pandoc.py

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+"""Test Pandoc module"""
+# -----------------------------------------------------------------------------
+#  Copyright (C) 2014 The IPython Development Team
+#
+#  Distributed under the terms of the BSD License.  The full license is in
+#  the file COPYING, distributed as part of this software.
+# -----------------------------------------------------------------------------
+
+# -----------------------------------------------------------------------------
+# Imports
+# -----------------------------------------------------------------------------
+import os
+import warnings
+
+from nbconvert.tests.base import TestsBase
+
+from ...tests.utils import onlyif_cmds_exist
+from .. import pandoc
+
+# -----------------------------------------------------------------------------
+# Classes and functions
+# -----------------------------------------------------------------------------
+
+
+class TestPandoc(TestsBase):
+    """Collection of Pandoc tests"""
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.original_env = os.environ.copy()
+
+    def setUp(self):
+        super().setUp()
+        pandoc.check_pandoc_version._cached = None
+
+    @onlyif_cmds_exist("pandoc")
+    def test_pandoc_available(self):
+        """Test behaviour that pandoc functions raise PandocMissing as documented"""
+        pandoc.clean_cache()
+
+        os.environ["PATH"] = ""
+        with self.assertRaises(pandoc.PandocMissing):
+            pandoc.get_pandoc_version()
+        with self.assertRaises(pandoc.PandocMissing):
+            pandoc.check_pandoc_version()
+        with self.assertRaises(pandoc.PandocMissing):
+            pandoc.pandoc("", "markdown", "html")
+
+        # original_env["PATH"] should contain pandoc
+        os.environ["PATH"] = self.original_env["PATH"]
+        with warnings.catch_warnings(record=True) as w:
+            pandoc.get_pandoc_version()
+            pandoc.check_pandoc_version()
+            pandoc.pandoc("", "markdown", "html")
+        self.assertEqual(w, [])
+
+    @onlyif_cmds_exist("pandoc")
+    def test_minimal_version(self):
+        original_minversion = pandoc._minimal_version
+
+        pandoc._minimal_version = "120.0"
+        with warnings.catch_warnings(record=True) as w:
+            warnings.simplefilter("always")
+            # call it twice to verify the cached value is used
+            assert not pandoc.check_pandoc_version()
+            assert not pandoc.check_pandoc_version()
+        # only one warning after two calls, due to cache
+        self.assertEqual(len(w), 1)
+        # clear cache
+        pandoc.check_pandoc_version._cached = None
+        pandoc._minimal_version = pandoc.get_pandoc_version()
+        assert pandoc.check_pandoc_version()
+
+
+def pandoc_function_raised_missing(f, *args, **kwargs):
+    try:
+        f(*args, **kwargs)
+    except pandoc.PandocMissing:
+        return True
+    else:
+        return False

.venv/Lib/site-packages/nbconvert/utils/tests/test_version.py

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+from ..version import check_version
+
+
+def test_check_version():
+    """Test the behaviour of check_versionself.
+
+    This is mostly used to make sure the pandoc version is appropriate for the library.
+    """
+
+    assert check_version("1.19.2.4", "1.12.1")
+    assert check_version("2.2.3.2", "1.12.1")
+    assert check_version("1.19.2.4", "1.12.1", max_v="2.0")
+    assert not check_version("2.2.3.2", "1.12.1", max_v="2.0")