399 lines
14 KiB
Python
399 lines
14 KiB
Python
"""Tests for distutils.dist."""
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import os
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import io
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import sys
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import unittest
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import warnings
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import textwrap
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from unittest import mock
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from distutils.dist import Distribution, fix_help_options
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from distutils.cmd import Command
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from test.support import TESTFN, captured_stdout, run_unittest
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from distutils.tests import support
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class test_dist(Command):
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"""Sample distutils extension command."""
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user_options = [
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("sample-option=", "S", "help text"),
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]
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def initialize_options(self):
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self.sample_option = None
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class TestDistribution(Distribution):
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"""Distribution subclasses that avoids the default search for
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configuration files.
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The ._config_files attribute must be set before
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.parse_config_files() is called.
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"""
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def find_config_files(self):
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return self._config_files
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class DistributionTestCase(support.LoggingSilencer,
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support.EnvironGuard,
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unittest.TestCase):
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def setUp(self):
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super(DistributionTestCase, self).setUp()
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self.argv = sys.argv, sys.argv[:]
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del sys.argv[1:]
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def tearDown(self):
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sys.argv = self.argv[0]
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sys.argv[:] = self.argv[1]
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super(DistributionTestCase, self).tearDown()
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def create_distribution(self, configfiles=()):
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d = TestDistribution()
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d._config_files = configfiles
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d.parse_config_files()
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d.parse_command_line()
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return d
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def test_command_packages_unspecified(self):
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sys.argv.append("build")
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d = self.create_distribution()
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self.assertEqual(d.get_command_packages(), ["distutils.command"])
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def test_command_packages_cmdline(self):
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from distutils.tests.test_dist import test_dist
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sys.argv.extend(["--command-packages",
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"foo.bar,distutils.tests",
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"test_dist",
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"-Ssometext",
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])
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d = self.create_distribution()
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# let's actually try to load our test command:
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self.assertEqual(d.get_command_packages(),
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["distutils.command", "foo.bar", "distutils.tests"])
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cmd = d.get_command_obj("test_dist")
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self.assertIsInstance(cmd, test_dist)
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self.assertEqual(cmd.sample_option, "sometext")
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def test_venv_install_options(self):
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sys.argv.append("install")
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self.addCleanup(os.unlink, TESTFN)
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fakepath = '/somedir'
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with open(TESTFN, "w") as f:
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print(("[install]\n"
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"install-base = {0}\n"
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"install-platbase = {0}\n"
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"install-lib = {0}\n"
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"install-platlib = {0}\n"
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"install-purelib = {0}\n"
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"install-headers = {0}\n"
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"install-scripts = {0}\n"
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"install-data = {0}\n"
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"prefix = {0}\n"
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"exec-prefix = {0}\n"
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"home = {0}\n"
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"user = {0}\n"
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"root = {0}").format(fakepath), file=f)
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# Base case: Not in a Virtual Environment
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with mock.patch.multiple(sys, prefix='/a', base_prefix='/a') as values:
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d = self.create_distribution([TESTFN])
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option_tuple = (TESTFN, fakepath)
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result_dict = {
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'install_base': option_tuple,
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'install_platbase': option_tuple,
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'install_lib': option_tuple,
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'install_platlib': option_tuple,
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'install_purelib': option_tuple,
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'install_headers': option_tuple,
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'install_scripts': option_tuple,
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'install_data': option_tuple,
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'prefix': option_tuple,
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'exec_prefix': option_tuple,
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'home': option_tuple,
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'user': option_tuple,
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'root': option_tuple,
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}
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self.assertEqual(
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sorted(d.command_options.get('install').keys()),
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sorted(result_dict.keys()))
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for (key, value) in d.command_options.get('install').items():
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self.assertEqual(value, result_dict[key])
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# Test case: In a Virtual Environment
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with mock.patch.multiple(sys, prefix='/a', base_prefix='/b') as values:
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d = self.create_distribution([TESTFN])
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for key in result_dict.keys():
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self.assertNotIn(key, d.command_options.get('install', {}))
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def test_command_packages_configfile(self):
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sys.argv.append("build")
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self.addCleanup(os.unlink, TESTFN)
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f = open(TESTFN, "w")
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try:
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print("[global]", file=f)
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print("command_packages = foo.bar, splat", file=f)
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finally:
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f.close()
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d = self.create_distribution([TESTFN])
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self.assertEqual(d.get_command_packages(),
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["distutils.command", "foo.bar", "splat"])
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# ensure command line overrides config:
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sys.argv[1:] = ["--command-packages", "spork", "build"]
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d = self.create_distribution([TESTFN])
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self.assertEqual(d.get_command_packages(),
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["distutils.command", "spork"])
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# Setting --command-packages to '' should cause the default to
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# be used even if a config file specified something else:
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sys.argv[1:] = ["--command-packages", "", "build"]
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d = self.create_distribution([TESTFN])
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self.assertEqual(d.get_command_packages(), ["distutils.command"])
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def test_empty_options(self):
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# an empty options dictionary should not stay in the
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# list of attributes
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# catching warnings
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warns = []
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def _warn(msg):
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warns.append(msg)
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self.addCleanup(setattr, warnings, 'warn', warnings.warn)
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warnings.warn = _warn
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dist = Distribution(attrs={'author': 'xxx', 'name': 'xxx',
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'version': 'xxx', 'url': 'xxxx',
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'options': {}})
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self.assertEqual(len(warns), 0)
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self.assertNotIn('options', dir(dist))
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def test_finalize_options(self):
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attrs = {'keywords': 'one,two',
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'platforms': 'one,two'}
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dist = Distribution(attrs=attrs)
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dist.finalize_options()
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# finalize_option splits platforms and keywords
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self.assertEqual(dist.metadata.platforms, ['one', 'two'])
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self.assertEqual(dist.metadata.keywords, ['one', 'two'])
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def test_get_command_packages(self):
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dist = Distribution()
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self.assertEqual(dist.command_packages, None)
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cmds = dist.get_command_packages()
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self.assertEqual(cmds, ['distutils.command'])
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self.assertEqual(dist.command_packages,
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['distutils.command'])
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dist.command_packages = 'one,two'
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cmds = dist.get_command_packages()
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self.assertEqual(cmds, ['distutils.command', 'one', 'two'])
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def test_announce(self):
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# make sure the level is known
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dist = Distribution()
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args = ('ok',)
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kwargs = {'level': 'ok2'}
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self.assertRaises(ValueError, dist.announce, args, kwargs)
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class MetadataTestCase(support.TempdirManager, support.EnvironGuard,
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unittest.TestCase):
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def setUp(self):
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super(MetadataTestCase, self).setUp()
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self.argv = sys.argv, sys.argv[:]
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def tearDown(self):
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sys.argv = self.argv[0]
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sys.argv[:] = self.argv[1]
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super(MetadataTestCase, self).tearDown()
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def format_metadata(self, dist):
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sio = io.StringIO()
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dist.metadata.write_pkg_file(sio)
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return sio.getvalue()
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def test_simple_metadata(self):
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attrs = {"name": "package",
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"version": "1.0"}
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dist = Distribution(attrs)
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meta = self.format_metadata(dist)
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self.assertIn("Metadata-Version: 1.0", meta)
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self.assertNotIn("provides:", meta.lower())
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self.assertNotIn("requires:", meta.lower())
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self.assertNotIn("obsoletes:", meta.lower())
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def test_provides(self):
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attrs = {"name": "package",
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"version": "1.0",
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"provides": ["package", "package.sub"]}
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dist = Distribution(attrs)
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self.assertEqual(dist.metadata.get_provides(),
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["package", "package.sub"])
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self.assertEqual(dist.get_provides(),
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["package", "package.sub"])
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meta = self.format_metadata(dist)
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self.assertIn("Metadata-Version: 1.1", meta)
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self.assertNotIn("requires:", meta.lower())
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self.assertNotIn("obsoletes:", meta.lower())
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def test_provides_illegal(self):
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self.assertRaises(ValueError, Distribution,
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{"name": "package",
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"version": "1.0",
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"provides": ["my.pkg (splat)"]})
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def test_requires(self):
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attrs = {"name": "package",
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"version": "1.0",
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"requires": ["other", "another (==1.0)"]}
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dist = Distribution(attrs)
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self.assertEqual(dist.metadata.get_requires(),
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["other", "another (==1.0)"])
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self.assertEqual(dist.get_requires(),
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["other", "another (==1.0)"])
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meta = self.format_metadata(dist)
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self.assertIn("Metadata-Version: 1.1", meta)
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self.assertNotIn("provides:", meta.lower())
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self.assertIn("Requires: other", meta)
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self.assertIn("Requires: another (==1.0)", meta)
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self.assertNotIn("obsoletes:", meta.lower())
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def test_requires_illegal(self):
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self.assertRaises(ValueError, Distribution,
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{"name": "package",
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"version": "1.0",
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"requires": ["my.pkg (splat)"]})
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def test_obsoletes(self):
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attrs = {"name": "package",
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"version": "1.0",
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"obsoletes": ["other", "another (<1.0)"]}
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dist = Distribution(attrs)
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self.assertEqual(dist.metadata.get_obsoletes(),
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["other", "another (<1.0)"])
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self.assertEqual(dist.get_obsoletes(),
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["other", "another (<1.0)"])
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meta = self.format_metadata(dist)
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self.assertIn("Metadata-Version: 1.1", meta)
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self.assertNotIn("provides:", meta.lower())
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self.assertNotIn("requires:", meta.lower())
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self.assertIn("Obsoletes: other", meta)
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self.assertIn("Obsoletes: another (<1.0)", meta)
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def test_obsoletes_illegal(self):
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self.assertRaises(ValueError, Distribution,
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{"name": "package",
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"version": "1.0",
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"obsoletes": ["my.pkg (splat)"]})
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def test_classifier(self):
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attrs = {'name': 'Boa', 'version': '3.0',
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'classifiers': ['Programming Language :: Python :: 3']}
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dist = Distribution(attrs)
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meta = self.format_metadata(dist)
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self.assertIn('Metadata-Version: 1.1', meta)
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def test_download_url(self):
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attrs = {'name': 'Boa', 'version': '3.0',
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'download_url': 'http://example.org/boa'}
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dist = Distribution(attrs)
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meta = self.format_metadata(dist)
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self.assertIn('Metadata-Version: 1.1', meta)
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def test_long_description(self):
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long_desc = textwrap.dedent("""\
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example::
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We start here
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and continue here
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and end here.""")
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attrs = {"name": "package",
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"version": "1.0",
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"long_description": long_desc}
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dist = Distribution(attrs)
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meta = self.format_metadata(dist)
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meta = meta.replace('\n' + 8 * ' ', '\n')
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self.assertIn(long_desc, meta)
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def test_custom_pydistutils(self):
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# fixes #2166
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# make sure pydistutils.cfg is found
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if os.name == 'posix':
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user_filename = ".pydistutils.cfg"
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else:
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user_filename = "pydistutils.cfg"
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temp_dir = self.mkdtemp()
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user_filename = os.path.join(temp_dir, user_filename)
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f = open(user_filename, 'w')
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try:
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f.write('.')
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finally:
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f.close()
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try:
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dist = Distribution()
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# linux-style
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if sys.platform in ('linux', 'darwin'):
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os.environ['HOME'] = temp_dir
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files = dist.find_config_files()
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self.assertIn(user_filename, files)
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# win32-style
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if sys.platform == 'win32':
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# home drive should be found
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os.environ['HOME'] = temp_dir
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files = dist.find_config_files()
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self.assertIn(user_filename, files,
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'%r not found in %r' % (user_filename, files))
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finally:
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os.remove(user_filename)
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def test_fix_help_options(self):
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help_tuples = [('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
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fancy_options = fix_help_options(help_tuples)
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self.assertEqual(fancy_options[0], ('a', 'b', 'c'))
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self.assertEqual(fancy_options[1], (1, 2, 3))
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def test_show_help(self):
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# smoke test, just makes sure some help is displayed
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dist = Distribution()
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sys.argv = []
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dist.help = 1
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dist.script_name = 'setup.py'
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with captured_stdout() as s:
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dist.parse_command_line()
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output = [line for line in s.getvalue().split('\n')
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if line.strip() != '']
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self.assertTrue(output)
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def test_suite():
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suite = unittest.TestSuite()
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suite.addTest(unittest.makeSuite(DistributionTestCase))
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suite.addTest(unittest.makeSuite(MetadataTestCase))
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return suite
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if __name__ == "__main__":
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run_unittest(test_suite())
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