2022-09-17 15:26:13 +03:00
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"""Tests for distutils.util."""
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import os
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import sys
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import unittest
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from copy import copy
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from test.support import run_unittest
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from unittest import mock
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from distutils.errors import DistutilsPlatformError, DistutilsByteCompileError
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from distutils.util import (get_platform, convert_path, change_root,
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check_environ, split_quoted, strtobool,
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rfc822_escape, byte_compile,
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grok_environment_error)
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from distutils import util # used to patch _environ_checked
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from distutils.sysconfig import get_config_vars
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from distutils import sysconfig
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from distutils.tests import support
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import _osx_support
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class UtilTestCase(support.EnvironGuard, unittest.TestCase):
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def setUp(self):
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super(UtilTestCase, self).setUp()
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# saving the environment
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self.name = os.name
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self.platform = sys.platform
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self.version = sys.version
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self.sep = os.sep
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self.join = os.path.join
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self.isabs = os.path.isabs
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self.splitdrive = os.path.splitdrive
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self._config_vars = copy(sysconfig._config_vars)
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# patching os.uname
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if hasattr(os, 'uname'):
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self.uname = os.uname
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self._uname = os.uname()
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else:
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self.uname = None
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self._uname = None
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os.uname = self._get_uname
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def tearDown(self):
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# getting back the environment
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os.name = self.name
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sys.platform = self.platform
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sys.version = self.version
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os.sep = self.sep
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os.path.join = self.join
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os.path.isabs = self.isabs
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os.path.splitdrive = self.splitdrive
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if self.uname is not None:
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os.uname = self.uname
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else:
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del os.uname
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2022-10-09 16:27:10 +03:00
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sysconfig._config_vars.clear()
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sysconfig._config_vars.update(self._config_vars)
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2022-09-17 15:26:13 +03:00
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super(UtilTestCase, self).tearDown()
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def _set_uname(self, uname):
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self._uname = uname
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def _get_uname(self):
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return self._uname
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def test_get_platform(self):
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# windows XP, 32bits
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os.name = 'nt'
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sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
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'[MSC v.1310 32 bit (Intel)]')
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sys.platform = 'win32'
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self.assertEqual(get_platform(), 'win32')
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# windows XP, amd64
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os.name = 'nt'
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sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
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'[MSC v.1310 32 bit (Amd64)]')
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sys.platform = 'win32'
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self.assertEqual(get_platform(), 'win-amd64')
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# macbook
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os.name = 'posix'
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sys.version = ('2.5 (r25:51918, Sep 19 2006, 08:49:13) '
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'\n[GCC 4.0.1 (Apple Computer, Inc. build 5341)]')
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sys.platform = 'darwin'
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self._set_uname(('Darwin', 'macziade', '8.11.1',
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('Darwin Kernel Version 8.11.1: '
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'Wed Oct 10 18:23:28 PDT 2007; '
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'root:xnu-792.25.20~1/RELEASE_I386'), 'i386'))
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
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get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
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'-fwrapv -O3 -Wall -Wstrict-prototypes')
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cursize = sys.maxsize
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sys.maxsize = (2 ** 31)-1
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try:
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self.assertEqual(get_platform(), 'macosx-10.3-i386')
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finally:
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sys.maxsize = cursize
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# macbook with fat binaries (fat, universal or fat64)
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.4'
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get_config_vars()['CFLAGS'] = ('-arch ppc -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-fat')
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_osx_support._remove_original_values(get_config_vars())
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os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.1'
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self.assertEqual(get_platform(), 'macosx-10.4-fat')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-intel')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-fat3')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch ppc64 -arch x86_64 -arch ppc -arch i386 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-universal')
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc64 -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3')
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self.assertEqual(get_platform(), 'macosx-10.4-fat64')
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for arch in ('ppc', 'i386', 'x86_64', 'ppc64'):
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_osx_support._remove_original_values(get_config_vars())
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get_config_vars()['CFLAGS'] = ('-arch %s -isysroot '
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'/Developer/SDKs/MacOSX10.4u.sdk '
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'-fno-strict-aliasing -fno-common '
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'-dynamic -DNDEBUG -g -O3'%(arch,))
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self.assertEqual(get_platform(), 'macosx-10.4-%s'%(arch,))
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# linux debian sarge
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os.name = 'posix'
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sys.version = ('2.3.5 (#1, Jul 4 2007, 17:28:59) '
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'\n[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)]')
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sys.platform = 'linux2'
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self._set_uname(('Linux', 'aglae', '2.6.21.1dedibox-r7',
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'#1 Mon Apr 30 17:25:38 CEST 2007', 'i686'))
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self.assertEqual(get_platform(), 'linux-i686')
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# XXX more platforms to tests here
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def test_convert_path(self):
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# linux/mac
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os.sep = '/'
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def _join(path):
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return '/'.join(path)
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os.path.join = _join
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self.assertEqual(convert_path('/home/to/my/stuff'),
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'/home/to/my/stuff')
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# win
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os.sep = '\\'
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def _join(*path):
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return '\\'.join(path)
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os.path.join = _join
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self.assertRaises(ValueError, convert_path, '/home/to/my/stuff')
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self.assertRaises(ValueError, convert_path, 'home/to/my/stuff/')
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self.assertEqual(convert_path('home/to/my/stuff'),
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'home\\to\\my\\stuff')
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self.assertEqual(convert_path('.'),
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os.curdir)
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def test_change_root(self):
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# linux/mac
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os.name = 'posix'
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def _isabs(path):
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return path[0] == '/'
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os.path.isabs = _isabs
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def _join(*path):
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return '/'.join(path)
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os.path.join = _join
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self.assertEqual(change_root('/root', '/old/its/here'),
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'/root/old/its/here')
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self.assertEqual(change_root('/root', 'its/here'),
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'/root/its/here')
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# windows
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os.name = 'nt'
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def _isabs(path):
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return path.startswith('c:\\')
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os.path.isabs = _isabs
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def _splitdrive(path):
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if path.startswith('c:'):
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return ('', path.replace('c:', ''))
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return ('', path)
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os.path.splitdrive = _splitdrive
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def _join(*path):
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return '\\'.join(path)
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os.path.join = _join
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self.assertEqual(change_root('c:\\root', 'c:\\old\\its\\here'),
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'c:\\root\\old\\its\\here')
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self.assertEqual(change_root('c:\\root', 'its\\here'),
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'c:\\root\\its\\here')
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# BugsBunny os (it's a great os)
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os.name = 'BugsBunny'
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self.assertRaises(DistutilsPlatformError,
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change_root, 'c:\\root', 'its\\here')
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# XXX platforms to be covered: mac
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def test_check_environ(self):
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util._environ_checked = 0
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os.environ.pop('HOME', None)
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check_environ()
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self.assertEqual(os.environ['PLAT'], get_platform())
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self.assertEqual(util._environ_checked, 1)
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@unittest.skipUnless(os.name == 'posix', 'specific to posix')
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def test_check_environ_getpwuid(self):
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util._environ_checked = 0
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os.environ.pop('HOME', None)
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import pwd
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# only set pw_dir field, other fields are not used
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result = pwd.struct_passwd((None, None, None, None, None,
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'/home/distutils', None))
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with mock.patch.object(pwd, 'getpwuid', return_value=result):
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check_environ()
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self.assertEqual(os.environ['HOME'], '/home/distutils')
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util._environ_checked = 0
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os.environ.pop('HOME', None)
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# bpo-10496: Catch pwd.getpwuid() error
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with mock.patch.object(pwd, 'getpwuid', side_effect=KeyError):
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check_environ()
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self.assertNotIn('HOME', os.environ)
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def test_split_quoted(self):
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self.assertEqual(split_quoted('""one"" "two" \'three\' \\four'),
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['one', 'two', 'three', 'four'])
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def test_strtobool(self):
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yes = ('y', 'Y', 'yes', 'True', 't', 'true', 'True', 'On', 'on', '1')
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no = ('n', 'no', 'f', 'false', 'off', '0', 'Off', 'No', 'N')
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for y in yes:
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self.assertTrue(strtobool(y))
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for n in no:
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self.assertFalse(strtobool(n))
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def test_rfc822_escape(self):
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header = 'I am a\npoor\nlonesome\nheader\n'
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res = rfc822_escape(header)
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wanted = ('I am a%(8s)spoor%(8s)slonesome%(8s)s'
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'header%(8s)s') % {'8s': '\n'+8*' '}
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self.assertEqual(res, wanted)
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def test_dont_write_bytecode(self):
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# makes sure byte_compile raise a DistutilsError
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# if sys.dont_write_bytecode is True
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old_dont_write_bytecode = sys.dont_write_bytecode
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sys.dont_write_bytecode = True
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try:
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self.assertRaises(DistutilsByteCompileError, byte_compile, [])
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finally:
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sys.dont_write_bytecode = old_dont_write_bytecode
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def test_grok_environment_error(self):
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# test obsolete function to ensure backward compat (#4931)
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exc = IOError("Unable to find batch file")
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msg = grok_environment_error(exc)
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self.assertEqual(msg, "error: Unable to find batch file")
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def test_suite():
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return unittest.makeSuite(UtilTestCase)
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if __name__ == "__main__":
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run_unittest(test_suite())
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