def test_security(self):
# This test is incomplete since we are normally not run as root and
# therefore can't test the file ownership being wrong.
d = os_helper.TESTFN
os.mkdir(d)
self.addCleanup(os_helper.rmtree, d)
fn = os.path.join(d, '.netrc')
with open(fn, 'wt') as f:
f.write("""\
machine foo.domain.com login bar password pass
default login foo password pass
""")
with os_helper.EnvironmentVarGuard() as environ:
environ.set('HOME', d)
os.chmod(fn, 0o600)
nrc = netrc.netrc()
self.assertEqual(nrc.hosts['foo.domain.com'], ('bar', '', 'pass'))
os.chmod(fn, 0o622)
self.assertRaises(netrc.NetrcParseError, netrc.netrc)
with open(fn, 'wt') as f:
f.write("""\
machine foo.domain.com login anonymous password pass
default login foo password pass
""")
with os_helper.EnvironmentVarGuard() as environ:
environ.set('HOME', d)
os.chmod(fn, 0o600)
nrc = netrc.netrc()
self.assertEqual(nrc.hosts['foo.domain.com'],
('anonymous', '', 'pass'))
os.chmod(fn, 0o622)
self.assertEqual(nrc.hosts['foo.domain.com'],
('anonymous', '', 'pass'))
def test_expandvars(self):
with os_helper.EnvironmentVarGuard() as env:
env.clear()
env["foo"] = "bar"
env["{foo"] = "baz1"
env["{foo}"] = "baz2"
tester('ntpath.expandvars("foo")', "foo")
tester('ntpath.expandvars("$foo bar")', "bar bar")
tester('ntpath.expandvars("${foo}bar")', "barbar")
tester('ntpath.expandvars("$[foo]bar")', "$[foo]bar")
tester('ntpath.expandvars("$bar bar")', "$bar bar")
tester('ntpath.expandvars("$?bar")', "$?bar")
tester('ntpath.expandvars("$foo}bar")', "bar}bar")
tester('ntpath.expandvars("${foo")', "${foo")
tester('ntpath.expandvars("${{foo}}")', "baz1}")
tester('ntpath.expandvars("$foo$foo")', "barbar")
tester('ntpath.expandvars("$bar$bar")', "$bar$bar")
tester('ntpath.expandvars("%foo% bar")', "bar bar")
tester('ntpath.expandvars("%foo%bar")', "barbar")
tester('ntpath.expandvars("%foo%%foo%")', "barbar")
tester('ntpath.expandvars("%%foo%%foo%foo%")', "%foo%foobar")
tester('ntpath.expandvars("%?bar%")', "%?bar%")
tester('ntpath.expandvars("%foo%%bar")', "bar%bar")
tester('ntpath.expandvars("\'%foo%\'%bar")', "\'%foo%\'%bar")
tester('ntpath.expandvars("bar\'%foo%")', "bar\'%foo%")
def test_expandvars(self):
expandvars = self.pathmodule.expandvars
with os_helper.EnvironmentVarGuard() as env:
env.clear()
env["foo"] = "bar"
env["{foo"] = "baz1"
env["{foo}"] = "baz2"
self.assertEqual(expandvars("foo"), "foo")
self.assertEqual(expandvars("$foo bar"), "bar bar")
self.assertEqual(expandvars("${foo}bar"), "barbar")
self.assertEqual(expandvars("$[foo]bar"), "$[foo]bar")
self.assertEqual(expandvars("$bar bar"), "$bar bar")
self.assertEqual(expandvars("$?bar"), "$?bar")
self.assertEqual(expandvars("$foo}bar"), "bar}bar")
self.assertEqual(expandvars("${foo"), "${foo")
self.assertEqual(expandvars("${{foo}}"), "baz1}")
self.assertEqual(expandvars("$foo$foo"), "barbar")
self.assertEqual(expandvars("$bar$bar"), "$bar$bar")
self.assertEqual(expandvars(b"foo"), b"foo")
self.assertEqual(expandvars(b"$foo bar"), b"bar bar")
self.assertEqual(expandvars(b"${foo}bar"), b"barbar")
self.assertEqual(expandvars(b"$[foo]bar"), b"$[foo]bar")
self.assertEqual(expandvars(b"$bar bar"), b"$bar bar")
self.assertEqual(expandvars(b"$?bar"), b"$?bar")
self.assertEqual(expandvars(b"$foo}bar"), b"bar}bar")
self.assertEqual(expandvars(b"${foo"), b"${foo")
self.assertEqual(expandvars(b"${{foo}}"), b"baz1}")
self.assertEqual(expandvars(b"$foo$foo"), b"barbar")
self.assertEqual(expandvars(b"$bar$bar"), b"$bar$bar")
def test_expandvars_nonascii(self):
expandvars = self.pathmodule.expandvars
def check(value, expected):
self.assertEqual(expandvars(value), expected)
with os_helper.EnvironmentVarGuard() as env:
env.clear()
nonascii = os_helper.FS_NONASCII
env['spam'] = nonascii
env[nonascii] = 'ham' + nonascii
check(nonascii, nonascii)
check('$spam bar', '%s bar' % nonascii)
check('${spam}bar', '%sbar' % nonascii)
check('${%s}bar' % nonascii, 'ham%sbar' % nonascii)
check('$bar%s bar' % nonascii, '$bar%s bar' % nonascii)
check('$spam}bar', '%s}bar' % nonascii)
check(os.fsencode(nonascii), os.fsencode(nonascii))
check(b'$spam bar', os.fsencode('%s bar' % nonascii))
check(b'${spam}bar', os.fsencode('%sbar' % nonascii))
check(os.fsencode('${%s}bar' % nonascii),
os.fsencode('ham%sbar' % nonascii))
check(os.fsencode('$bar%s bar' % nonascii),
os.fsencode('$bar%s bar' % nonascii))
check(b'$spam}bar', os.fsencode('%s}bar' % nonascii))
def test_expanduser_pwd(self):
pwd = import_helper.import_module('pwd')
self.assertIsInstance(posixpath.expanduser("~/"), str)
self.assertIsInstance(posixpath.expanduser(b"~/"), bytes)
# if home directory == root directory, this test makes no sense
if posixpath.expanduser("~") != '/':
self.assertEqual(
posixpath.expanduser("~") + "/", posixpath.expanduser("~/"))
self.assertEqual(
posixpath.expanduser(b"~") + b"/", posixpath.expanduser(b"~/"))
self.assertIsInstance(posixpath.expanduser("~root/"), str)
self.assertIsInstance(posixpath.expanduser("~foo/"), str)
self.assertIsInstance(posixpath.expanduser(b"~root/"), bytes)
self.assertIsInstance(posixpath.expanduser(b"~foo/"), bytes)
with os_helper.EnvironmentVarGuard() as env:
# expanduser should fall back to using the password database
del env['HOME']
home = pwd.getpwuid(os.getuid()).pw_dir
# $HOME can end with a trailing /, so strip it (see #17809)
home = home.rstrip("/") or '/'
self.assertEqual(posixpath.expanduser("~"), home)
# bpo-10496: If the HOME environment variable is not set and the
# user (current identifier or name in the path) doesn't exist in
# the password database (pwd.getuid() or pwd.getpwnam() fail),
# expanduser() must return the path unchanged.
with mock.patch.object(pwd, 'getpwuid', side_effect=KeyError), \
mock.patch.object(pwd, 'getpwnam', side_effect=KeyError):
for path in ('~', '~/.local', '~vstinner/'):
self.assertEqual(posixpath.expanduser(path), path)
def setUp(self):
self._threads = threading_helper.threading_setup()
os.environ = os_helper.EnvironmentVarGuard()
self.server_started = threading.Event()
self.thread = TestServerThread(self, self.request_handler)
self.thread.start()
self.server_started.wait()
def test_file_not_found_in_home(self):
d = os_helper.TESTFN
os.mkdir(d)
self.addCleanup(os_helper.rmtree, d)
with os_helper.EnvironmentVarGuard() as environ:
environ.set('HOME', d)
self.assertRaises(FileNotFoundError, netrc.netrc)
def fake_expanduser(s):
called.append(s)
with os_helper.EnvironmentVarGuard() as environ:
environ.set('HOME', fake_home)
environ.set('USERPROFILE', fake_home)
result = orig_expanduser(s)
return result
def test_expanduser(self):
tester('ntpath.expanduser("test")', 'test')
with os_helper.EnvironmentVarGuard() as env:
env.clear()
tester('ntpath.expanduser("~test")', '~test')
env['HOMEPATH'] = 'eric\\idle'
env['HOMEDRIVE'] = 'C:\\'
tester('ntpath.expanduser("~test")', 'C:\\eric\\test')
tester('ntpath.expanduser("~")', 'C:\\eric\\idle')
del env['HOMEDRIVE']
tester('ntpath.expanduser("~test")', 'eric\\test')
tester('ntpath.expanduser("~")', 'eric\\idle')
env.clear()
env['USERPROFILE'] = 'C:\\eric\\idle'
tester('ntpath.expanduser("~test")', 'C:\\eric\\test')
tester('ntpath.expanduser("~")', 'C:\\eric\\idle')
tester('ntpath.expanduser("~test\\foo\\bar")',
'C:\\eric\\test\\foo\\bar')
tester('ntpath.expanduser("~test/foo/bar")',
'C:\\eric\\test/foo/bar')
tester('ntpath.expanduser("~\\foo\\bar")',
'C:\\eric\\idle\\foo\\bar')
tester('ntpath.expanduser("~/foo/bar")', 'C:\\eric\\idle/foo/bar')
# bpo-36264: ignore `HOME` when set on windows
env.clear()
env['HOME'] = 'F:\\'
env['USERPROFILE'] = 'C:\\eric\\idle'
tester('ntpath.expanduser("~test")', 'C:\\eric\\test')
tester('ntpath.expanduser("~")', 'C:\\eric\\idle')
def test_mock_getcaps(self):
# Test mailcap.getcaps() using mock mailcap file in this dir.
# Temporarily override any existing system mailcap file by pointing the
# MAILCAPS environment variable to our mock file.
with os_helper.EnvironmentVarGuard() as env:
env["MAILCAPS"] = MAILCAPFILE
caps = mailcap.getcaps()
self.assertDictEqual(caps, MAILCAPDICT)
def test_sensitive(self):
with os_helper.EnvironmentVarGuard() as env:
env.unset('PYTHONCASEOK')
self.caseok_env_changed(should_exist=False)
sensitive, insensitive = self.sensitivity_test()
self.assertIsNotNone(sensitive)
self.assertIn(self.name, sensitive.get_filename(self.name))
self.assertIsNone(insensitive)
def test_environment_preferred(self):
webbrowser = import_helper.import_fresh_module('webbrowser')
try:
webbrowser.get()
least_preferred_browser = webbrowser.get(
webbrowser._tryorder[-1]).name
except (webbrowser.Error, IndexError) as err:
self.skipTest(str(err))
with os_helper.EnvironmentVarGuard() as env:
env["BROWSER"] = least_preferred_browser
webbrowser = import_helper.import_fresh_module('webbrowser')
self.assertEqual(webbrowser.get().name, least_preferred_browser)
with os_helper.EnvironmentVarGuard() as env:
env["BROWSER"] = sys.executable
webbrowser = import_helper.import_fresh_module('webbrowser')
self.assertEqual(webbrowser.get().name, sys.executable)
def test_environment(self):
webbrowser = import_helper.import_fresh_module('webbrowser')
try:
browser = webbrowser.get().name
except webbrowser.Error as err:
self.skipTest(str(err))
with os_helper.EnvironmentVarGuard() as env:
env["BROWSER"] = browser
webbrowser = import_helper.import_fresh_module('webbrowser')
webbrowser.get()
def setUp(self):
self.maxDiff = None
self.prog_name = 'bogus_program_xxxx'
self.temp_path_dir = os.path.abspath(os.getcwd())
self.env = self.enterContext(os_helper.EnvironmentVarGuard())
for cv in ('CFLAGS', 'LDFLAGS', 'CPPFLAGS', 'BASECFLAGS', 'BLDSHARED',
'LDSHARED', 'CC', 'CXX', 'PY_CFLAGS', 'PY_LDFLAGS',
'PY_CPPFLAGS', 'PY_CORE_CFLAGS', 'PY_CORE_LDFLAGS'):
if cv in self.env:
self.env.unset(cv)
def test_source(self):
# XXX (ncoghlan): It would be nice to use test.import_helper.CleanImport
# here, but that breaks because the os module registers some
# handlers in copy_reg on import. Since CleanImport doesn't
# revert that registration, the module is left in a broken
# state after reversion. Reinitialising the module contents
# and just reverting os.environ to its previous state is an OK
# workaround
with os_helper.EnvironmentVarGuard():
import os
imp.reload(os)
def test_expanduser_home_envvar(self):
with os_helper.EnvironmentVarGuard() as env:
env['HOME'] = '/home/victor'
self.assertEqual(posixpath.expanduser("~"), "/home/victor")
# expanduser() strips trailing slash
env['HOME'] = '/home/victor/'
self.assertEqual(posixpath.expanduser("~"), "/home/victor")
for home in '/', '', '//', '///':
with self.subTest(home=home):
env['HOME'] = home
self.assertEqual(posixpath.expanduser("~"), "/")
self.assertEqual(posixpath.expanduser("~/"), "/")
self.assertEqual(posixpath.expanduser("~/foo"), "/foo")
def setUp(self):
if not os.path.isdir(LOCALEDIR):
os.makedirs(LOCALEDIR)
with open(MOFILE, 'wb') as fp:
fp.write(base64.decodebytes(GNU_MO_DATA))
with open(MOFILE_BAD_MAJOR_VERSION, 'wb') as fp:
fp.write(base64.decodebytes(GNU_MO_DATA_BAD_MAJOR_VERSION))
with open(MOFILE_BAD_MINOR_VERSION, 'wb') as fp:
fp.write(base64.decodebytes(GNU_MO_DATA_BAD_MINOR_VERSION))
with open(UMOFILE, 'wb') as fp:
fp.write(base64.decodebytes(UMO_DATA))
with open(MMOFILE, 'wb') as fp:
fp.write(base64.decodebytes(MMO_DATA))
self.env = os_helper.EnvironmentVarGuard()
self.env['LANGUAGE'] = 'xx'
gettext._translations.clear()
def test_expanduser(self):
tester('ntpath.expanduser("test")', 'test')
with os_helper.EnvironmentVarGuard() as env:
env.clear()
tester('ntpath.expanduser("~test")', '~test')
env['HOMEDRIVE'] = 'C:\\'
env['HOMEPATH'] = 'Users\\eric'
env['USERNAME'] = '******'
tester('ntpath.expanduser("~test")', 'C:\\Users\\test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
del env['HOMEDRIVE']
tester('ntpath.expanduser("~test")', 'Users\\test')
tester('ntpath.expanduser("~")', 'Users\\eric')
env.clear()
env['USERPROFILE'] = 'C:\\Users\\eric'
env['USERNAME'] = '******'
tester('ntpath.expanduser("~test")', 'C:\\Users\\test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
tester('ntpath.expanduser("~test\\foo\\bar")',
'C:\\Users\\test\\foo\\bar')
tester('ntpath.expanduser("~test/foo/bar")',
'C:\\Users\\test/foo/bar')
tester('ntpath.expanduser("~\\foo\\bar")',
'C:\\Users\\eric\\foo\\bar')
tester('ntpath.expanduser("~/foo/bar")',
'C:\\Users\\eric/foo/bar')
# bpo-36264: ignore `HOME` when set on windows
env.clear()
env['HOME'] = 'F:\\'
env['USERPROFILE'] = 'C:\\Users\\eric'
env['USERNAME'] = '******'
tester('ntpath.expanduser("~test")', 'C:\\Users\\test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
# bpo-39899: don't guess another user's home directory if
# `%USERNAME% != basename(%USERPROFILE%)`
env.clear()
env['USERPROFILE'] = 'C:\\Users\\eric'
env['USERNAME'] = '******'
tester('ntpath.expanduser("~test")', '~test')
tester('ntpath.expanduser("~")', 'C:\\Users\\eric')
def test_load_from_source(self):
# Verify that the imp module can correctly load and find .py files
# XXX (ncoghlan): It would be nice to use import_helper.CleanImport
# here, but that breaks because the os module registers some
# handlers in copy_reg on import. Since CleanImport doesn't
# revert that registration, the module is left in a broken
# state after reversion. Reinitialising the module contents
# and just reverting os.environ to its previous state is an OK
# workaround
orig_path = os.path
orig_getenv = os.getenv
with os_helper.EnvironmentVarGuard():
x = imp.find_module("os")
self.addCleanup(x[0].close)
new_os = imp.load_module("os", *x)
self.assertIs(os, new_os)
self.assertIs(orig_path, new_os.path)
self.assertIsNot(orig_getenv, new_os.getenv)
def test_listmailcapfiles(self):
# The return value for listmailcapfiles() will vary by system.
# So verify that listmailcapfiles() returns a list of strings that is of
# non-zero length.
mcfiles = mailcap.listmailcapfiles()
self.assertIsInstance(mcfiles, list)
for m in mcfiles:
self.assertIsInstance(m, str)
with os_helper.EnvironmentVarGuard() as env:
# According to RFC 1524, if MAILCAPS env variable exists, use that
# and only that.
if "MAILCAPS" in env:
env_mailcaps = env["MAILCAPS"].split(os.pathsep)
else:
env_mailcaps = ["/testdir1/.mailcap", "/testdir2/mailcap"]
env["MAILCAPS"] = os.pathsep.join(env_mailcaps)
mcfiles = mailcap.listmailcapfiles()
self.assertEqual(env_mailcaps, mcfiles)
def test_expandvars_nonascii(self):
def check(value, expected):
tester('ntpath.expandvars(%r)' % value, expected)
with os_helper.EnvironmentVarGuard() as env:
env.clear()
nonascii = os_helper.FS_NONASCII
env['spam'] = nonascii
env[nonascii] = 'ham' + nonascii
check('$spam bar', '%s bar' % nonascii)
check('$%s bar' % nonascii, '$%s bar' % nonascii)
check('${spam}bar', '%sbar' % nonascii)
check('${%s}bar' % nonascii, 'ham%sbar' % nonascii)
check('$spam}bar', '%s}bar' % nonascii)
check('$%s}bar' % nonascii, '$%s}bar' % nonascii)
check('%spam% bar', '%s bar' % nonascii)
check('%{}% bar'.format(nonascii), 'ham%s bar' % nonascii)
check('%spam%bar', '%sbar' % nonascii)
check('%{}%bar'.format(nonascii), 'ham%sbar' % nonascii)
def testLoadWithUNC(self):
# Build a UNC path from the regular path.
# Something like
# \\%COMPUTERNAME%\c$\python27\python.exe
fullname = os.path.abspath(sys.executable)
if fullname[1] != ':':
raise unittest.SkipTest('Absolute path should have drive part')
unc_name = r'\\%s\%s$\%s' % (os.environ['COMPUTERNAME'], fullname[0],
fullname[3:])
if not os.path.exists(unc_name):
raise unittest.SkipTest('Cannot connect to UNC Path')
with os_helper.EnvironmentVarGuard() as env:
env.unset("TCL_LIBRARY")
stdout = subprocess.check_output(
[unc_name, '-c', 'import tkinter; print(tkinter)'])
self.assertIn(b'tkinter', stdout)
def test_uname_win32_ARCHITEW6432(self):
# Issue 7860: make sure we get architecture from the correct variable
# on 64 bit Windows: if PROCESSOR_ARCHITEW6432 exists we should be
# using it, per
# http://blogs.msdn.com/david.wang/archive/2006/03/26/HOWTO-Detect-Process-Bitness.aspx
try:
with os_helper.EnvironmentVarGuard() as environ:
if 'PROCESSOR_ARCHITEW6432' in environ:
del environ['PROCESSOR_ARCHITEW6432']
environ['PROCESSOR_ARCHITECTURE'] = 'foo'
platform._uname_cache = None
system, node, release, version, machine, processor = platform.uname()
self.assertEqual(machine, 'foo')
environ['PROCESSOR_ARCHITEW6432'] = 'bar'
platform._uname_cache = None
system, node, release, version, machine, processor = platform.uname()
self.assertEqual(machine, 'bar')
finally:
platform._uname_cache = None
def test_find_on_libpath(self):
import subprocess
import tempfile
try:
p = subprocess.Popen(['gcc', '--version'],
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL)
out, _ = p.communicate()
except OSError:
raise unittest.SkipTest('gcc, needed for test, not available')
with tempfile.TemporaryDirectory() as d:
# create an empty temporary file
srcname = os.path.join(d, 'dummy.c')
libname = 'py_ctypes_test_dummy'
dstname = os.path.join(d, 'lib%s.so' % libname)
with open(srcname, 'w') as f:
pass
self.assertTrue(os.path.exists(srcname))
# compile the file to a shared library
cmd = [
'gcc', '-o', dstname, '--shared',
'-Wl,-soname,lib%s.so' % libname, srcname
]
out = subprocess.check_output(cmd)
self.assertTrue(os.path.exists(dstname))
# now check that the .so can't be found (since not in
# LD_LIBRARY_PATH)
self.assertIsNone(find_library(libname))
# now add the location to LD_LIBRARY_PATH
with os_helper.EnvironmentVarGuard() as env:
KEY = 'LD_LIBRARY_PATH'
if KEY not in env:
v = d
else:
v = '%s:%s' % (env[KEY], d)
env.set(KEY, v)
# now check that the .so can be found (since in
# LD_LIBRARY_PATH)
self.assertEqual(find_library(libname), 'lib%s.so' % libname)
def testLoadTkFailure(self):
old_display = None
if sys.platform.startswith(('win', 'darwin', 'cygwin')):
# no failure possible on windows?
# XXX Maybe on tk older than 8.4.13 it would be possible,
# see tkinter.h.
return
with os_helper.EnvironmentVarGuard() as env:
if 'DISPLAY' in os.environ:
del env['DISPLAY']
# on some platforms, deleting environment variables
# doesn't actually carry through to the process level
# because they don't support unsetenv
# If that's the case, abort.
with os.popen('echo $DISPLAY') as pipe:
display = pipe.read().strip()
if display:
return
tcl = Tcl()
self.assertRaises(TclError, tcl.winfo_geometry)
self.assertRaises(TclError, tcl.loadtk)
def wrapper(*args, **kwargs):
with os_helper.EnvironmentVarGuard() as env:
env['SOURCE_DATE_EPOCH'] = '123456789'
return fxn(*args, **kwargs)
def wrapper(*args, **kwargs):
with os_helper.EnvironmentVarGuard() as env:
env.unset('SOURCE_DATE_EPOCH')
return fxn(*args, **kwargs)
def test_find_executable(self):
with os_helper.temp_dir() as tmp_dir:
# use TESTFN to get a pseudo-unique filename
program_noeext = os_helper.TESTFN
# Give the temporary program an ".exe" suffix for all.
# It's needed on Windows and not harmful on other platforms.
program = program_noeext + ".exe"
filename = os.path.join(tmp_dir, program)
with open(filename, "wb"):
pass
os.chmod(filename, stat.S_IXUSR)
# test path parameter
rv = find_executable(program, path=tmp_dir)
self.assertEqual(rv, filename)
if sys.platform == 'win32':
# test without ".exe" extension
rv = find_executable(program_noeext, path=tmp_dir)
self.assertEqual(rv, filename)
# test find in the current directory
with os_helper.change_cwd(tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, program)
# test non-existent program
dont_exist_program = "dontexist_" + program
rv = find_executable(dont_exist_program, path=tmp_dir)
self.assertIsNone(rv)
# PATH='': no match, except in the current directory
with os_helper.EnvironmentVarGuard() as env:
env['PATH'] = ''
with unittest.mock.patch('distutils.spawn.os.confstr',
return_value=tmp_dir, create=True), \
unittest.mock.patch('distutils.spawn.os.defpath',
tmp_dir):
rv = find_executable(program)
self.assertIsNone(rv)
# look in current directory
with os_helper.change_cwd(tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, program)
# PATH=':': explicitly looks in the current directory
with os_helper.EnvironmentVarGuard() as env:
env['PATH'] = os.pathsep
with unittest.mock.patch('distutils.spawn.os.confstr',
return_value='', create=True), \
unittest.mock.patch('distutils.spawn.os.defpath', ''):
rv = find_executable(program)
self.assertIsNone(rv)
# look in current directory
with os_helper.change_cwd(tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, program)
# missing PATH: test os.confstr("CS_PATH") and os.defpath
with os_helper.EnvironmentVarGuard() as env:
env.pop('PATH', None)
# without confstr
with unittest.mock.patch('distutils.spawn.os.confstr',
side_effect=ValueError,
create=True), \
unittest.mock.patch('distutils.spawn.os.defpath',
tmp_dir):
rv = find_executable(program)
self.assertEqual(rv, filename)
# with confstr
with unittest.mock.patch('distutils.spawn.os.confstr',
return_value=tmp_dir, create=True), \
unittest.mock.patch('distutils.spawn.os.defpath', ''):
rv = find_executable(program)
self.assertEqual(rv, filename)
def test_case_insensitivity(self):
with os_helper.EnvironmentVarGuard() as env:
env.set('PYTHONCASEOK', '1')
self.caseok_env_changed(should_exist=True)
loader = self.find_module()
self.assertTrue(hasattr(loader, 'load_module'))
def test_case_sensitive(self):
with os_helper.EnvironmentVarGuard() as env:
env.unset('PYTHONCASEOK')
self.caseok_env_changed(should_exist=False)
loader = self.find_module()
self.assertIsNone(loader)