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1import sys
2import unittest
3
4from . import fixtures
5from importlib.metadata import (
6    PackageNotFoundError,
7    distribution,
8    distributions,
9    entry_points,
10    files,
11    version,
12)
13
14
15class TestZip(fixtures.ZipFixtures, unittest.TestCase):
16    def setUp(self):
17        super().setUp()
18        self._fixture_on_path('example-21.12-py3-none-any.whl')
19
20    def test_zip_version(self):
21        self.assertEqual(version('example'), '21.12')
22
23    def test_zip_version_does_not_match(self):
24        with self.assertRaises(PackageNotFoundError):
25            version('definitely-not-installed')
26
27    def test_zip_entry_points(self):
28        scripts = entry_points(group='console_scripts')
29        entry_point = scripts['example']
30        self.assertEqual(entry_point.value, 'example:main')
31        entry_point = scripts['Example']
32        self.assertEqual(entry_point.value, 'example:main')
33
34    def test_missing_metadata(self):
35        self.assertIsNone(distribution('example').read_text('does not exist'))
36
37    def test_case_insensitive(self):
38        self.assertEqual(version('Example'), '21.12')
39
40    def test_files(self):
41        for file in files('example'):
42            path = str(file.dist.locate_file(file))
43            assert '.whl/' in path, path
44
45    def test_one_distribution(self):
46        dists = list(distributions(path=sys.path[:1]))
47        assert len(dists) == 1
48
49
50class TestEgg(TestZip):
51    def setUp(self):
52        super().setUp()
53        self._fixture_on_path('example-21.12-py3.6.egg')
54
55    def test_files(self):
56        for file in files('example'):
57            path = str(file.dist.locate_file(file))
58            assert '.egg/' in path, path
59
60    def test_normalized_name(self):
61        dist = distribution('example')
62        assert dist._normalized_name == 'example'
63