cpython/Lib/test/test_importlib/test_zip.py
Miss Islington (bot) a4fa9a9515
bpo-39791: Refresh importlib.metadata from importlib_metadata 1.6.1. (GH-20659) (GH-20661)
* Refresh importlib.metadata from importlib_metadata 1.6.1.

* 📜🤖 Added by blurb_it.

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
(cherry picked from commit 161541ab45)

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>

Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
2020-06-05 17:46:24 -04:00

74 lines
2.5 KiB
Python

import sys
import unittest
from contextlib import ExitStack
from importlib.metadata import (
distribution, entry_points, files, PackageNotFoundError,
version, distributions,
)
from importlib import resources
from test.support import requires_zlib
@requires_zlib()
class TestZip(unittest.TestCase):
root = 'test.test_importlib.data'
def _fixture_on_path(self, filename):
pkg_file = resources.files(self.root).joinpath(filename)
file = self.resources.enter_context(resources.as_file(pkg_file))
assert file.name.startswith('example-'), file.name
sys.path.insert(0, str(file))
self.resources.callback(sys.path.pop, 0)
def setUp(self):
# Find the path to the example-*.whl so we can add it to the front of
# sys.path, where we'll then try to find the metadata thereof.
self.resources = ExitStack()
self.addCleanup(self.resources.close)
self._fixture_on_path('example-21.12-py3-none-any.whl')
def test_zip_version(self):
self.assertEqual(version('example'), '21.12')
def test_zip_version_does_not_match(self):
with self.assertRaises(PackageNotFoundError):
version('definitely-not-installed')
def test_zip_entry_points(self):
scripts = dict(entry_points()['console_scripts'])
entry_point = scripts['example']
self.assertEqual(entry_point.value, 'example:main')
entry_point = scripts['Example']
self.assertEqual(entry_point.value, 'example:main')
def test_missing_metadata(self):
self.assertIsNone(distribution('example').read_text('does not exist'))
def test_case_insensitive(self):
self.assertEqual(version('Example'), '21.12')
def test_files(self):
for file in files('example'):
path = str(file.dist.locate_file(file))
assert '.whl/' in path, path
def test_one_distribution(self):
dists = list(distributions(path=sys.path[:1]))
assert len(dists) == 1
@requires_zlib()
class TestEgg(TestZip):
def setUp(self):
# Find the path to the example-*.egg so we can add it to the front of
# sys.path, where we'll then try to find the metadata thereof.
self.resources = ExitStack()
self.addCleanup(self.resources.close)
self._fixture_on_path('example-21.12-py3.6.egg')
def test_files(self):
for file in files('example'):
path = str(file.dist.locate_file(file))
assert '.egg/' in path, path