cpython/Lib/distutils/tests/test_util.py

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"""Tests for distutils.util."""
# not covered yet:
# - byte_compile
#
import os
import sys
import unittest
from distutils.errors import DistutilsPlatformError
from distutils.util import get_platform
from distutils.util import convert_path
from distutils.util import change_root
from distutils.util import check_environ
from distutils.util import split_quoted
from distutils.util import strtobool
from distutils.util import rfc822_escape
from distutils import util # used to patch _environ_checked
class utilTestCase(unittest.TestCase):
def setUp(self):
# saving the environment
self.name = os.name
self.platform = sys.platform
self.version = sys.version
self.sep = os.sep
self.environ = os.environ
self.join = os.path.join
self.isabs = os.path.isabs
self.splitdrive = os.path.splitdrive
# 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
def tearDown(self):
# getting back tne environment
os.name = self.name
sys.platform = self.platform
sys.version = self.version
os.sep = self.sep
os.environ = self.environ
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
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'), 'i386'))
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
self.assertEquals(get_platform(), 'macosx-10.3-i386')
# 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
# posix without HOME
if os.name == 'posix': # this test won't run on windows
os.environ = {}
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.assert_(strtobool(y))
for n in no:
self.assert_(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_suite():
return unittest.makeSuite(utilTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")