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