mirror of https://github.com/python/cpython
515 lines
21 KiB
Python
515 lines
21 KiB
Python
import os
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import io
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import csv
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import imp
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import sys
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import shutil
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import zipfile
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import tempfile
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from os.path import relpath # separate import for backport concerns
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from hashlib import md5
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from packaging.errors import PackagingError
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from packaging.metadata import Metadata
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from packaging.tests import unittest, run_unittest, support, TESTFN
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from packaging.tests.support import requires_zlib
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from packaging.database import (
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Distribution, EggInfoDistribution, get_distribution, get_distributions,
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provides_distribution, obsoletes_distribution, get_file_users,
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enable_cache, disable_cache, distinfo_dirname, _yield_distributions)
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# TODO Add a test for getting a distribution provided by another distribution
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# TODO Add a test for absolute pathed RECORD items (e.g. /etc/myapp/config.ini)
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# TODO Add tests from the former pep376 project (zipped site-packages, etc.)
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def get_hexdigest(filename):
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with open(filename, 'rb') as file:
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checksum = md5(file.read())
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return checksum.hexdigest()
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def record_pieces(file):
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path = relpath(file, sys.prefix)
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digest = get_hexdigest(file)
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size = os.path.getsize(file)
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return [path, digest, size]
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class CommonDistributionTests:
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"""Mixin used to test the interface common to both Distribution classes.
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Derived classes define cls, sample_dist, dirs and records. These
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attributes are used in test methods. See source code for details.
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"""
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def setUp(self):
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super(CommonDistributionTests, self).setUp()
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self.addCleanup(enable_cache)
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disable_cache()
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self.fake_dists_path = os.path.abspath(
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os.path.join(os.path.dirname(__file__), 'fake_dists'))
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def test_instantiation(self):
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# check that useful attributes are here
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name, version, distdir = self.sample_dist
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here = os.path.abspath(os.path.dirname(__file__))
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dist_path = os.path.join(here, 'fake_dists', distdir)
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dist = self.dist = self.cls(dist_path)
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self.assertEqual(dist.path, dist_path)
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self.assertEqual(dist.name, name)
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self.assertEqual(dist.metadata['Name'], name)
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self.assertIsInstance(dist.metadata, Metadata)
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self.assertEqual(dist.version, version)
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self.assertEqual(dist.metadata['Version'], version)
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@requires_zlib
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def test_repr(self):
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dist = self.cls(self.dirs[0])
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# just check that the class name is in the repr
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self.assertIn(self.cls.__name__, repr(dist))
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@requires_zlib
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def test_comparison(self):
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# tests for __eq__ and __hash__
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dist = self.cls(self.dirs[0])
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dist2 = self.cls(self.dirs[0])
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dist3 = self.cls(self.dirs[1])
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self.assertIn(dist, {dist: True})
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self.assertEqual(dist, dist)
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self.assertIsNot(dist, dist2)
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self.assertEqual(dist, dist2)
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self.assertNotEqual(dist, dist3)
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self.assertNotEqual(dist, ())
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def test_list_installed_files(self):
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for dir_ in self.dirs:
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dist = self.cls(dir_)
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for path, md5_, size in dist.list_installed_files():
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record_data = self.records[dist.path]
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self.assertIn(path, record_data)
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self.assertEqual(md5_, record_data[path][0])
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self.assertEqual(size, record_data[path][1])
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class TestDistribution(CommonDistributionTests, unittest.TestCase):
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cls = Distribution
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sample_dist = 'choxie', '2.0.0.9', 'choxie-2.0.0.9.dist-info'
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def setUp(self):
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super(TestDistribution, self).setUp()
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self.dirs = [os.path.join(self.fake_dists_path, f)
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for f in os.listdir(self.fake_dists_path)
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if f.endswith('.dist-info')]
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self.records = {}
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for distinfo_dir in self.dirs:
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record_file = os.path.join(distinfo_dir, 'RECORD')
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with open(record_file, 'w') as file:
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record_writer = csv.writer(
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file, delimiter=',', quoting=csv.QUOTE_NONE)
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dist_location = distinfo_dir.replace('.dist-info', '')
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for path, dirs, files in os.walk(dist_location):
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for f in files:
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record_writer.writerow(record_pieces(
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os.path.join(path, f)))
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for file in ('INSTALLER', 'METADATA', 'REQUESTED'):
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record_writer.writerow(record_pieces(
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os.path.join(distinfo_dir, file)))
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record_writer.writerow([relpath(record_file, sys.prefix)])
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with open(record_file) as file:
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record_reader = csv.reader(file)
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record_data = {}
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for row in record_reader:
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path, md5_, size = (row[:] +
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[None for i in range(len(row), 3)])
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record_data[path] = md5_, size
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self.records[distinfo_dir] = record_data
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def tearDown(self):
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for distinfo_dir in self.dirs:
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record_file = os.path.join(distinfo_dir, 'RECORD')
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open(record_file, 'wb').close()
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super(TestDistribution, self).tearDown()
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def test_instantiation(self):
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super(TestDistribution, self).test_instantiation()
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self.assertIsInstance(self.dist.requested, bool)
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def test_uses(self):
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# Test to determine if a distribution uses a specified file.
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# Criteria to test against
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distinfo_name = 'grammar-1.0a4'
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distinfo_dir = os.path.join(self.fake_dists_path,
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distinfo_name + '.dist-info')
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true_path = [self.fake_dists_path, distinfo_name,
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'grammar', 'utils.py']
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true_path = relpath(os.path.join(*true_path), sys.prefix)
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false_path = [self.fake_dists_path, 'towel_stuff-0.1', 'towel_stuff',
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'__init__.py']
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false_path = relpath(os.path.join(*false_path), sys.prefix)
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# Test if the distribution uses the file in question
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dist = Distribution(distinfo_dir)
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self.assertTrue(dist.uses(true_path))
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self.assertFalse(dist.uses(false_path))
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def test_get_distinfo_file(self):
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# Test the retrieval of dist-info file objects.
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distinfo_name = 'choxie-2.0.0.9'
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other_distinfo_name = 'grammar-1.0a4'
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distinfo_dir = os.path.join(self.fake_dists_path,
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distinfo_name + '.dist-info')
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dist = Distribution(distinfo_dir)
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# Test for known good file matches
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distinfo_files = [
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# Relative paths
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'INSTALLER', 'METADATA',
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# Absolute paths
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os.path.join(distinfo_dir, 'RECORD'),
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os.path.join(distinfo_dir, 'REQUESTED'),
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]
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for distfile in distinfo_files:
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with dist.get_distinfo_file(distfile) as value:
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self.assertIsInstance(value, io.TextIOWrapper)
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# Is it the correct file?
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self.assertEqual(value.name,
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os.path.join(distinfo_dir, distfile))
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# Test an absolute path that is part of another distributions dist-info
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other_distinfo_file = os.path.join(
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self.fake_dists_path, other_distinfo_name + '.dist-info',
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'REQUESTED')
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self.assertRaises(PackagingError, dist.get_distinfo_file,
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other_distinfo_file)
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# Test for a file that should not exist
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self.assertRaises(PackagingError, dist.get_distinfo_file,
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'MAGICFILE')
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def test_list_distinfo_files(self):
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# Test for the iteration of RECORD path entries.
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distinfo_name = 'towel_stuff-0.1'
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distinfo_dir = os.path.join(self.fake_dists_path,
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distinfo_name + '.dist-info')
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dist = Distribution(distinfo_dir)
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# Test for the iteration of the raw path
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distinfo_record_paths = self.records[distinfo_dir].keys()
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found = dist.list_distinfo_files()
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self.assertEqual(sorted(found), sorted(distinfo_record_paths))
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# Test for the iteration of local absolute paths
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distinfo_record_paths = [os.path.join(sys.prefix, path)
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for path in self.records[distinfo_dir]]
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found = dist.list_distinfo_files(local=True)
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self.assertEqual(sorted(found), sorted(distinfo_record_paths))
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def test_get_resources_path(self):
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distinfo_name = 'babar-0.1'
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distinfo_dir = os.path.join(self.fake_dists_path,
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distinfo_name + '.dist-info')
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dist = Distribution(distinfo_dir)
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resource_path = dist.get_resource_path('babar.png')
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self.assertEqual(resource_path, 'babar.png')
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self.assertRaises(KeyError, dist.get_resource_path, 'notexist')
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class TestEggInfoDistribution(CommonDistributionTests,
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support.LoggingCatcher,
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unittest.TestCase):
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cls = EggInfoDistribution
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sample_dist = 'bacon', '0.1', 'bacon-0.1.egg-info'
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def setUp(self):
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super(TestEggInfoDistribution, self).setUp()
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self.dirs = [os.path.join(self.fake_dists_path, f)
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for f in os.listdir(self.fake_dists_path)
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if f.endswith('.egg') or f.endswith('.egg-info')]
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self.records = {}
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@unittest.skip('not implemented yet')
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def test_list_installed_files(self):
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# EggInfoDistribution defines list_installed_files but there is no
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# test for it yet; someone with setuptools expertise needs to add a
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# file with the list of installed files for one of the egg fake dists
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# and write the support code to populate self.records (and then delete
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# this method)
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pass
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class TestDatabase(support.LoggingCatcher,
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unittest.TestCase):
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def setUp(self):
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super(TestDatabase, self).setUp()
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disable_cache()
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# Setup the path environment with our fake distributions
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current_path = os.path.abspath(os.path.dirname(__file__))
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self.sys_path = sys.path[:]
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self.fake_dists_path = os.path.join(current_path, 'fake_dists')
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sys.path.insert(0, self.fake_dists_path)
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def tearDown(self):
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sys.path[:] = self.sys_path
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enable_cache()
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super(TestDatabase, self).tearDown()
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def test_distinfo_dirname(self):
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# Given a name and a version, we expect the distinfo_dirname function
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# to return a standard distribution information directory name.
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items = [
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# (name, version, standard_dirname)
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# Test for a very simple single word name and decimal version
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# number
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('docutils', '0.5', 'docutils-0.5.dist-info'),
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# Test for another except this time with a '-' in the name, which
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# needs to be transformed during the name lookup
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('python-ldap', '2.5', 'python_ldap-2.5.dist-info'),
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# Test for both '-' in the name and a funky version number
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('python-ldap', '2.5 a---5', 'python_ldap-2.5 a---5.dist-info'),
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]
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# Loop through the items to validate the results
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for name, version, standard_dirname in items:
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dirname = distinfo_dirname(name, version)
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self.assertEqual(dirname, standard_dirname)
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@requires_zlib
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def test_get_distributions(self):
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# Lookup all distributions found in the ``sys.path``.
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# This test could potentially pick up other installed distributions
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fake_dists = [('grammar', '1.0a4'), ('choxie', '2.0.0.9'),
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('towel-stuff', '0.1'), ('babar', '0.1')]
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found_dists = []
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# Verify the fake dists have been found.
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dists = [dist for dist in get_distributions()]
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for dist in dists:
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self.assertIsInstance(dist, Distribution)
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if (dist.name in dict(fake_dists) and
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dist.path.startswith(self.fake_dists_path)):
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found_dists.append((dist.name, dist.metadata['version'], ))
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else:
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# check that it doesn't find anything more than this
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self.assertFalse(dist.path.startswith(self.fake_dists_path))
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# otherwise we don't care what other distributions are found
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# Finally, test that we found all that we were looking for
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self.assertEqual(sorted(found_dists), sorted(fake_dists))
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# Now, test if the egg-info distributions are found correctly as well
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fake_dists += [('bacon', '0.1'), ('cheese', '2.0.2'),
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('coconuts-aster', '10.3'),
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('banana', '0.4'), ('strawberry', '0.6'),
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('truffles', '5.0'), ('nut', 'funkyversion')]
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found_dists = []
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dists = [dist for dist in get_distributions(use_egg_info=True)]
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for dist in dists:
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self.assertIsInstance(dist, (Distribution, EggInfoDistribution))
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if (dist.name in dict(fake_dists) and
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dist.path.startswith(self.fake_dists_path)):
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found_dists.append((dist.name, dist.metadata['version']))
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else:
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self.assertFalse(dist.path.startswith(self.fake_dists_path))
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self.assertEqual(sorted(fake_dists), sorted(found_dists))
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@requires_zlib
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def test_get_distribution(self):
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# Test for looking up a distribution by name.
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# Test the lookup of the towel-stuff distribution
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name = 'towel-stuff' # Note: This is different from the directory name
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# Lookup the distribution
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dist = get_distribution(name)
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self.assertIsInstance(dist, Distribution)
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self.assertEqual(dist.name, name)
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# Verify that an unknown distribution returns None
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self.assertIsNone(get_distribution('bogus'))
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# Verify partial name matching doesn't work
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self.assertIsNone(get_distribution('towel'))
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# Verify that it does not find egg-info distributions, when not
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# instructed to
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self.assertIsNone(get_distribution('bacon'))
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self.assertIsNone(get_distribution('cheese'))
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self.assertIsNone(get_distribution('strawberry'))
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self.assertIsNone(get_distribution('banana'))
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# Now check that it works well in both situations, when egg-info
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# is a file and directory respectively.
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dist = get_distribution('cheese', use_egg_info=True)
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self.assertIsInstance(dist, EggInfoDistribution)
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self.assertEqual(dist.name, 'cheese')
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dist = get_distribution('bacon', use_egg_info=True)
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self.assertIsInstance(dist, EggInfoDistribution)
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self.assertEqual(dist.name, 'bacon')
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dist = get_distribution('banana', use_egg_info=True)
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self.assertIsInstance(dist, EggInfoDistribution)
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self.assertEqual(dist.name, 'banana')
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dist = get_distribution('strawberry', use_egg_info=True)
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self.assertIsInstance(dist, EggInfoDistribution)
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self.assertEqual(dist.name, 'strawberry')
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def test_get_file_users(self):
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# Test the iteration of distributions that use a file.
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name = 'towel_stuff-0.1'
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path = os.path.join(self.fake_dists_path, name,
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'towel_stuff', '__init__.py')
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for dist in get_file_users(path):
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self.assertIsInstance(dist, Distribution)
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self.assertEqual(dist.name, name)
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@requires_zlib
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def test_provides(self):
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# Test for looking up distributions by what they provide
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checkLists = lambda x, y: self.assertEqual(sorted(x), sorted(y))
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l = [dist.name for dist in provides_distribution('truffles')]
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checkLists(l, ['choxie', 'towel-stuff'])
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l = [dist.name for dist in provides_distribution('truffles', '1.0')]
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checkLists(l, ['choxie'])
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l = [dist.name for dist in provides_distribution('truffles', '1.0',
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use_egg_info=True)]
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checkLists(l, ['choxie', 'cheese'])
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l = [dist.name for dist in provides_distribution('truffles', '1.1.2')]
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checkLists(l, ['towel-stuff'])
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l = [dist.name for dist in provides_distribution('truffles', '1.1')]
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checkLists(l, ['towel-stuff'])
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l = [dist.name for dist in provides_distribution('truffles',
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'!=1.1,<=2.0')]
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checkLists(l, ['choxie'])
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l = [dist.name for dist in provides_distribution('truffles',
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'!=1.1,<=2.0',
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use_egg_info=True)]
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checkLists(l, ['choxie', 'bacon', 'cheese'])
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l = [dist.name for dist in provides_distribution('truffles', '>1.0')]
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checkLists(l, ['towel-stuff'])
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l = [dist.name for dist in provides_distribution('truffles', '>1.5')]
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checkLists(l, [])
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l = [dist.name for dist in provides_distribution('truffles', '>1.5',
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use_egg_info=True)]
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checkLists(l, ['bacon'])
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l = [dist.name for dist in provides_distribution('truffles', '>=1.0')]
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checkLists(l, ['choxie', 'towel-stuff'])
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l = [dist.name for dist in provides_distribution('strawberry', '0.6',
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use_egg_info=True)]
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checkLists(l, ['coconuts-aster'])
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l = [dist.name for dist in provides_distribution('strawberry', '>=0.5',
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use_egg_info=True)]
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checkLists(l, ['coconuts-aster'])
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l = [dist.name for dist in provides_distribution('strawberry', '>0.6',
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use_egg_info=True)]
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checkLists(l, [])
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l = [dist.name for dist in provides_distribution('banana', '0.4',
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use_egg_info=True)]
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checkLists(l, ['coconuts-aster'])
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l = [dist.name for dist in provides_distribution('banana', '>=0.3',
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use_egg_info=True)]
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checkLists(l, ['coconuts-aster'])
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l = [dist.name for dist in provides_distribution('banana', '!=0.4',
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use_egg_info=True)]
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checkLists(l, [])
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@requires_zlib
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def test_obsoletes(self):
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# Test looking for distributions based on what they obsolete
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checkLists = lambda x, y: self.assertEqual(sorted(x), sorted(y))
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l = [dist.name for dist in obsoletes_distribution('truffles', '1.0')]
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checkLists(l, [])
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l = [dist.name for dist in obsoletes_distribution('truffles', '1.0',
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use_egg_info=True)]
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checkLists(l, ['cheese', 'bacon'])
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l = [dist.name for dist in obsoletes_distribution('truffles', '0.8')]
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checkLists(l, ['choxie'])
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l = [dist.name for dist in obsoletes_distribution('truffles', '0.8',
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|
use_egg_info=True)]
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|
checkLists(l, ['choxie', 'cheese'])
|
|
|
|
l = [dist.name for dist in obsoletes_distribution('truffles', '0.9.6')]
|
|
checkLists(l, ['choxie', 'towel-stuff'])
|
|
|
|
l = [dist.name for dist in obsoletes_distribution('truffles',
|
|
'0.5.2.3')]
|
|
checkLists(l, ['choxie', 'towel-stuff'])
|
|
|
|
l = [dist.name for dist in obsoletes_distribution('truffles', '0.2')]
|
|
checkLists(l, ['towel-stuff'])
|
|
|
|
@requires_zlib
|
|
def test_yield_distribution(self):
|
|
# tests the internal function _yield_distributions
|
|
checkLists = lambda x, y: self.assertEqual(sorted(x), sorted(y))
|
|
|
|
eggs = [('bacon', '0.1'), ('banana', '0.4'), ('strawberry', '0.6'),
|
|
('truffles', '5.0'), ('cheese', '2.0.2'),
|
|
('coconuts-aster', '10.3'), ('nut', 'funkyversion')]
|
|
dists = [('choxie', '2.0.0.9'), ('grammar', '1.0a4'),
|
|
('towel-stuff', '0.1'), ('babar', '0.1')]
|
|
|
|
checkLists([], _yield_distributions(False, False))
|
|
|
|
found = [(dist.name, dist.metadata['Version'])
|
|
for dist in _yield_distributions(False, True)
|
|
if dist.path.startswith(self.fake_dists_path)]
|
|
checkLists(eggs, found)
|
|
|
|
found = [(dist.name, dist.metadata['Version'])
|
|
for dist in _yield_distributions(True, False)
|
|
if dist.path.startswith(self.fake_dists_path)]
|
|
checkLists(dists, found)
|
|
|
|
found = [(dist.name, dist.metadata['Version'])
|
|
for dist in _yield_distributions(True, True)
|
|
if dist.path.startswith(self.fake_dists_path)]
|
|
checkLists(dists + eggs, found)
|
|
|
|
|
|
def test_suite():
|
|
suite = unittest.TestSuite()
|
|
load = unittest.defaultTestLoader.loadTestsFromTestCase
|
|
suite.addTest(load(TestDistribution))
|
|
suite.addTest(load(TestEggInfoDistribution))
|
|
suite.addTest(load(TestDatabase))
|
|
return suite
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main(defaultTest='test_suite')
|