cpython/Lib/distutils/tests/test_util.py

398 lines
14 KiB
Python

"""Tests for distutils.util."""
import os
import sys
import unittest
from copy import copy
from io import BytesIO
import subprocess
from distutils.errors import DistutilsPlatformError, DistutilsByteCompileError
from distutils.util import (get_platform, convert_path, change_root,
check_environ, split_quoted, strtobool,
rfc822_escape, get_compiler_versions,
_find_exe_version, _MAC_OS_X_LD_VERSION,
byte_compile)
from distutils import util
from distutils.sysconfig import get_config_vars
from distutils import sysconfig
from distutils.tests import support
from distutils.version import LooseVersion
class FakePopen(object):
test_class = None
def __init__(self, cmd, shell, stdout, stderr):
self.cmd = cmd.split()[0]
exes = self.test_class._exes
if self.cmd not in exes:
# we don't want to call the system, returning an empty
# output so it doesn't match
self.stdout = BytesIO()
self.stderr = BytesIO()
else:
self.stdout = BytesIO(exes[self.cmd])
self.stderr = BytesIO()
class UtilTestCase(support.EnvironGuard, unittest.TestCase):
def setUp(self):
super(UtilTestCase, self).setUp()
# saving the environment
self.name = os.name
self.platform = sys.platform
self.version = sys.version
self.sep = os.sep
self.join = os.path.join
self.isabs = os.path.isabs
self.splitdrive = os.path.splitdrive
self._config_vars = copy(sysconfig._config_vars)
# patching os.uname
if hasattr(os, 'uname'):
self.uname = os.uname
self._uname = os.uname()
else:
self.uname = None
self._uname = None
os.uname = self._get_uname
# patching POpen
self.old_find_executable = util.find_executable
util.find_executable = self._find_executable
self._exes = {}
self.old_popen = subprocess.Popen
self.old_stdout = sys.stdout
self.old_stderr = sys.stderr
FakePopen.test_class = self
subprocess.Popen = FakePopen
def tearDown(self):
# getting back the environment
os.name = self.name
sys.platform = self.platform
sys.version = self.version
os.sep = self.sep
os.path.join = self.join
os.path.isabs = self.isabs
os.path.splitdrive = self.splitdrive
if self.uname is not None:
os.uname = self.uname
else:
del os.uname
sysconfig._config_vars = copy(self._config_vars)
util.find_executable = self.old_find_executable
subprocess.Popen = self.old_popen
sys.old_stdout = self.old_stdout
sys.old_stderr = self.old_stderr
super(UtilTestCase, self).tearDown()
def _set_uname(self, uname):
self._uname = uname
def _get_uname(self):
return self._uname
def test_get_platform(self):
# windows XP, 32bits
os.name = 'nt'
sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
'[MSC v.1310 32 bit (Intel)]')
sys.platform = 'win32'
self.assertEquals(get_platform(), 'win32')
# windows XP, amd64
os.name = 'nt'
sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
'[MSC v.1310 32 bit (Amd64)]')
sys.platform = 'win32'
self.assertEquals(get_platform(), 'win-amd64')
# windows XP, itanium
os.name = 'nt'
sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
'[MSC v.1310 32 bit (Itanium)]')
sys.platform = 'win32'
self.assertEquals(get_platform(), 'win-ia64')
# macbook
os.name = 'posix'
sys.version = ('2.5 (r25:51918, Sep 19 2006, 08:49:13) '
'\n[GCC 4.0.1 (Apple Computer, Inc. build 5341)]')
sys.platform = 'darwin'
self._set_uname(('Darwin', 'macziade', '8.11.1',
('Darwin Kernel Version 8.11.1: '
'Wed Oct 10 18:23:28 PDT 2007; '
'root:xnu-792.25.20~1/RELEASE_I386'), 'PowerPC'))
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
'-fwrapv -O3 -Wall -Wstrict-prototypes')
maxsize = sys.maxsize
try:
sys.maxsize = 2147483647
self.assertEquals(get_platform(), 'macosx-10.3-ppc')
sys.maxsize = 9223372036854775807
self.assertEquals(get_platform(), 'macosx-10.3-ppc64')
finally:
sys.maxsize = maxsize
self._set_uname(('Darwin', 'macziade', '8.11.1',
('Darwin Kernel Version 8.11.1: '
'Wed Oct 10 18:23:28 PDT 2007; '
'root:xnu-792.25.20~1/RELEASE_I386'), 'i386'))
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
'-fwrapv -O3 -Wall -Wstrict-prototypes')
maxsize = sys.maxsize
try:
sys.maxsize = 2147483647
self.assertEquals(get_platform(), 'macosx-10.3-i386')
sys.maxsize = 9223372036854775807
self.assertEquals(get_platform(), 'macosx-10.3-x86_64')
finally:
sys.maxsize = maxsize
# macbook with fat binaries (fat, universal or fat64)
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.4'
get_config_vars()['CFLAGS'] = ('-arch ppc -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-fat')
get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-intel')
get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-fat3')
get_config_vars()['CFLAGS'] = ('-arch ppc64 -arch x86_64 -arch ppc -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-universal')
get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc64 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-fat64')
for arch in ('ppc', 'i386', 'x86_64', 'ppc64'):
get_config_vars()['CFLAGS'] = ('-arch %s -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3'%(arch,))
self.assertEquals(get_platform(), 'macosx-10.4-%s'%(arch,))
# linux debian sarge
os.name = 'posix'
sys.version = ('2.3.5 (#1, Jul 4 2007, 17:28:59) '
'\n[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)]')
sys.platform = 'linux2'
self._set_uname(('Linux', 'aglae', '2.6.21.1dedibox-r7',
'#1 Mon Apr 30 17:25:38 CEST 2007', 'i686'))
self.assertEquals(get_platform(), 'linux-i686')
# XXX more platforms to tests here
def test_convert_path(self):
# linux/mac
os.sep = '/'
def _join(path):
return '/'.join(path)
os.path.join = _join
self.assertEquals(convert_path('/home/to/my/stuff'),
'/home/to/my/stuff')
# win
os.sep = '\\'
def _join(*path):
return '\\'.join(path)
os.path.join = _join
self.assertRaises(ValueError, convert_path, '/home/to/my/stuff')
self.assertRaises(ValueError, convert_path, 'home/to/my/stuff/')
self.assertEquals(convert_path('home/to/my/stuff'),
'home\\to\\my\\stuff')
self.assertEquals(convert_path('.'),
os.curdir)
def test_change_root(self):
# linux/mac
os.name = 'posix'
def _isabs(path):
return path[0] == '/'
os.path.isabs = _isabs
def _join(*path):
return '/'.join(path)
os.path.join = _join
self.assertEquals(change_root('/root', '/old/its/here'),
'/root/old/its/here')
self.assertEquals(change_root('/root', 'its/here'),
'/root/its/here')
# windows
os.name = 'nt'
def _isabs(path):
return path.startswith('c:\\')
os.path.isabs = _isabs
def _splitdrive(path):
if path.startswith('c:'):
return ('', path.replace('c:', ''))
return ('', path)
os.path.splitdrive = _splitdrive
def _join(*path):
return '\\'.join(path)
os.path.join = _join
self.assertEquals(change_root('c:\\root', 'c:\\old\\its\\here'),
'c:\\root\\old\\its\\here')
self.assertEquals(change_root('c:\\root', 'its\\here'),
'c:\\root\\its\\here')
# BugsBunny os (it's a great os)
os.name = 'BugsBunny'
self.assertRaises(DistutilsPlatformError,
change_root, 'c:\\root', 'its\\here')
# XXX platforms to be covered: os2, mac
def test_check_environ(self):
util._environ_checked = 0
if 'HOME' in os.environ:
del os.environ['HOME']
# posix without HOME
if os.name == 'posix': # this test won't run on windows
check_environ()
import pwd
self.assertEquals(os.environ['HOME'], pwd.getpwuid(os.getuid())[5])
else:
check_environ()
self.assertEquals(os.environ['PLAT'], get_platform())
self.assertEquals(util._environ_checked, 1)
def test_split_quoted(self):
self.assertEquals(split_quoted('""one"" "two" \'three\' \\four'),
['one', 'two', 'three', 'four'])
def test_strtobool(self):
yes = ('y', 'Y', 'yes', 'True', 't', 'true', 'True', 'On', 'on', '1')
no = ('n', 'no', 'f', 'false', 'off', '0', 'Off', 'No', 'N')
for y in yes:
self.assertTrue(strtobool(y))
for n in no:
self.assertTrue(not strtobool(n))
def test_rfc822_escape(self):
header = 'I am a\npoor\nlonesome\nheader\n'
res = rfc822_escape(header)
wanted = ('I am a%(8s)spoor%(8s)slonesome%(8s)s'
'header%(8s)s') % {'8s': '\n'+8*' '}
self.assertEquals(res, wanted)
def test_find_exe_version(self):
# the ld version scheme under MAC OS is:
# ^@(#)PROGRAM:ld PROJECT:ld64-VERSION
#
# where VERSION is a 2-digit number for major
# revisions. For instance under Leopard, it's
# currently 77
#
# Dots are used when branching is done.
#
# The SnowLeopard ld64 is currently 95.2.12
for output, version in ((b'@(#)PROGRAM:ld PROJECT:ld64-77', '77'),
(b'@(#)PROGRAM:ld PROJECT:ld64-95.2.12',
'95.2.12')):
result = _MAC_OS_X_LD_VERSION.search(output)
self.assertEquals(result.group(1).decode(), version)
def _find_executable(self, name):
if name in self._exes:
return name
return None
def test_get_compiler_versions(self):
# get_versions calls distutils.spawn.find_executable on
# 'gcc', 'ld' and 'dllwrap'
self.assertEquals(get_compiler_versions(), (None, None, None))
# Let's fake we have 'gcc' and it returns '3.4.5'
self._exes['gcc'] = b'gcc (GCC) 3.4.5 (mingw special)\nFSF'
res = get_compiler_versions()
self.assertEquals(str(res[0]), '3.4.5')
# and let's see what happens when the version
# doesn't match the regular expression
# (\d+\.\d+(\.\d+)*)
self._exes['gcc'] = b'very strange output'
res = get_compiler_versions()
self.assertEquals(res[0], None)
# same thing for ld
if sys.platform != 'darwin':
self._exes['ld'] = b'GNU ld version 2.17.50 20060824'
res = get_compiler_versions()
self.assertEquals(str(res[1]), '2.17.50')
self._exes['ld'] = b'@(#)PROGRAM:ld PROJECT:ld64-77'
res = get_compiler_versions()
self.assertEquals(res[1], None)
else:
self._exes['ld'] = b'GNU ld version 2.17.50 20060824'
res = get_compiler_versions()
self.assertEquals(res[1], None)
self._exes['ld'] = b'@(#)PROGRAM:ld PROJECT:ld64-77'
res = get_compiler_versions()
self.assertEquals(str(res[1]), '77')
# and dllwrap
self._exes['dllwrap'] = b'GNU dllwrap 2.17.50 20060824\nFSF'
res = get_compiler_versions()
self.assertEquals(str(res[2]), '2.17.50')
self._exes['dllwrap'] = b'Cheese Wrap'
res = get_compiler_versions()
self.assertEquals(res[2], None)
def test_dont_write_bytecode(self):
# makes sure byte_compile raise a DistutilsError
# if sys.dont_write_bytecode is True
old_dont_write_bytecode = sys.dont_write_bytecode
sys.dont_write_bytecode = True
try:
self.assertRaises(DistutilsByteCompileError, byte_compile, [])
finally:
sys.dont_write_bytecode = old_dont_write_bytecode
def test_suite():
return unittest.makeSuite(UtilTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")