mirror of https://github.com/python/cpython
145 lines
5.5 KiB
Python
145 lines
5.5 KiB
Python
"""Tests for distutils.spawn."""
|
|
import os
|
|
import stat
|
|
import sys
|
|
import unittest
|
|
from unittest import mock
|
|
from test.support import run_unittest, unix_shell
|
|
from test import support as test_support
|
|
|
|
from distutils.spawn import find_executable
|
|
from distutils.spawn import _nt_quote_args
|
|
from distutils.spawn import spawn
|
|
from distutils.errors import DistutilsExecError
|
|
from distutils.tests import support
|
|
|
|
class SpawnTestCase(support.TempdirManager,
|
|
support.LoggingSilencer,
|
|
unittest.TestCase):
|
|
|
|
def test_nt_quote_args(self):
|
|
|
|
for (args, wanted) in ((['with space', 'nospace'],
|
|
['"with space"', 'nospace']),
|
|
(['nochange', 'nospace'],
|
|
['nochange', 'nospace'])):
|
|
res = _nt_quote_args(args)
|
|
self.assertEqual(res, wanted)
|
|
|
|
|
|
@unittest.skipUnless(os.name in ('nt', 'posix'),
|
|
'Runs only under posix or nt')
|
|
def test_spawn(self):
|
|
tmpdir = self.mkdtemp()
|
|
|
|
# creating something executable
|
|
# through the shell that returns 1
|
|
if sys.platform != 'win32':
|
|
exe = os.path.join(tmpdir, 'foo.sh')
|
|
self.write_file(exe, '#!%s\nexit 1' % unix_shell)
|
|
else:
|
|
exe = os.path.join(tmpdir, 'foo.bat')
|
|
self.write_file(exe, 'exit 1')
|
|
|
|
os.chmod(exe, 0o777)
|
|
self.assertRaises(DistutilsExecError, spawn, [exe])
|
|
|
|
# now something that works
|
|
if sys.platform != 'win32':
|
|
exe = os.path.join(tmpdir, 'foo.sh')
|
|
self.write_file(exe, '#!%s\nexit 0' % unix_shell)
|
|
else:
|
|
exe = os.path.join(tmpdir, 'foo.bat')
|
|
self.write_file(exe, 'exit 0')
|
|
|
|
os.chmod(exe, 0o777)
|
|
spawn([exe]) # should work without any error
|
|
|
|
def test_find_executable(self):
|
|
with test_support.temp_dir() as tmp_dir:
|
|
# use TESTFN to get a pseudo-unique filename
|
|
program_noeext = test_support.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 test_support.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 test_support.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 test_support.change_cwd(tmp_dir):
|
|
rv = find_executable(program)
|
|
self.assertEqual(rv, program)
|
|
|
|
# PATH=':': explicitly looks in the current directory
|
|
with test_support.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 test_support.change_cwd(tmp_dir):
|
|
rv = find_executable(program)
|
|
self.assertEqual(rv, program)
|
|
|
|
# missing PATH: test os.confstr("CS_PATH") and os.defpath
|
|
with test_support.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_suite():
|
|
return unittest.makeSuite(SpawnTestCase)
|
|
|
|
if __name__ == "__main__":
|
|
run_unittest(test_suite())
|