mirror of
https://github.com/clinton-hall/nzbToMedia.git
synced 2025-07-16 02:02:53 -07:00
8d43b8ea39
Also updates: - importlib-metadata-0.7 - jaraco-windows - jaraco.classes-1.5 - jaraco.collections-1.6.0 - jaraco.functools-1.20 - jaraco.structures-1.1.2 - jaraco.text-1.10.1 - jaraco.ui-1.6 - more-itertools-4.3.0 - path.py-11.5.0 - six-1.12.0
121 lines
3.9 KiB
Python
121 lines
3.9 KiB
Python
from __future__ import unicode_literals
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import re
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import sys
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import shutil
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import tempfile
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import unittest
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import importlib
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import contextlib
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import importlib_metadata
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try:
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from contextlib import ExitStack
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except ImportError:
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from contextlib2 import ExitStack
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try:
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import pathlib
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except ImportError:
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import pathlib2 as pathlib
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from importlib_metadata import _hooks
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class BasicTests(unittest.TestCase):
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version_pattern = r'\d+\.\d+(\.\d)?'
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def test_retrieves_version_of_pip(self):
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# Assume pip is installed and retrieve the version of pip.
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dist = importlib_metadata.Distribution.from_name('pip')
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assert isinstance(dist.version, str)
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assert re.match(self.version_pattern, dist.version)
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def test_for_name_does_not_exist(self):
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with self.assertRaises(importlib_metadata.PackageNotFoundError):
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importlib_metadata.Distribution.from_name('does-not-exist')
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def test_new_style_classes(self):
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self.assertIsInstance(importlib_metadata.Distribution, type)
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self.assertIsInstance(_hooks.MetadataPathFinder, type)
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self.assertIsInstance(_hooks.WheelMetadataFinder, type)
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self.assertIsInstance(_hooks.WheelDistribution, type)
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class ImportTests(unittest.TestCase):
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def test_import_nonexistent_module(self):
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# Ensure that the MetadataPathFinder does not crash an import of a
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# non-existant module.
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with self.assertRaises(ImportError):
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importlib.import_module('does_not_exist')
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def test_resolve(self):
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entry_points = importlib_metadata.entry_points('pip')
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main = importlib_metadata.resolve(
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entry_points.get('console_scripts', 'pip'))
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import pip._internal
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self.assertEqual(main, pip._internal.main)
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def test_resolve_invalid(self):
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self.assertRaises(ValueError, importlib_metadata.resolve, 'bogus.ep')
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class NameNormalizationTests(unittest.TestCase):
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@staticmethod
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def pkg_with_dashes(site_dir):
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"""
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Create minimal metadata for a package with dashes
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in the name (and thus underscores in the filename).
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"""
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metadata_dir = site_dir / 'my_pkg.dist-info'
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metadata_dir.mkdir()
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metadata = metadata_dir / 'METADATA'
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with metadata.open('w') as strm:
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strm.write('Version: 1.0\n')
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return 'my-pkg'
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@staticmethod
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@contextlib.contextmanager
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def site_dir():
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tmpdir = tempfile.mkdtemp()
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sys.path[:0] = [tmpdir]
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try:
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yield pathlib.Path(tmpdir)
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finally:
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sys.path.remove(tmpdir)
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shutil.rmtree(tmpdir)
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def setUp(self):
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self.fixtures = ExitStack()
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self.addCleanup(self.fixtures.close)
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self.site_dir = self.fixtures.enter_context(self.site_dir())
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def test_dashes_in_dist_name_found_as_underscores(self):
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"""
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For a package with a dash in the name, the dist-info metadata
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uses underscores in the name. Ensure the metadata loads.
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"""
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pkg_name = self.pkg_with_dashes(self.site_dir)
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assert importlib_metadata.version(pkg_name) == '1.0'
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@staticmethod
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def pkg_with_mixed_case(site_dir):
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"""
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Create minimal metadata for a package with mixed case
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in the name.
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"""
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metadata_dir = site_dir / 'CherryPy.dist-info'
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metadata_dir.mkdir()
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metadata = metadata_dir / 'METADATA'
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with metadata.open('w') as strm:
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strm.write('Version: 1.0\n')
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return 'CherryPy'
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def test_dist_name_found_as_any_case(self):
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"""
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Ensure the metadata loads when queried with any case.
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"""
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pkg_name = self.pkg_with_mixed_case(self.site_dir)
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assert importlib_metadata.version(pkg_name) == '1.0'
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assert importlib_metadata.version(pkg_name.lower()) == '1.0'
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assert importlib_metadata.version(pkg_name.upper()) == '1.0'
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