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104 lines
3.5 KiB
104 lines
3.5 KiB
6 years ago
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"""Tests for distutils.spawn."""
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import os
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import stat
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import sys
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import unittest
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from unittest import mock
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from test.support import run_unittest, unix_shell
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from test import support as test_support
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from distutils.spawn import find_executable
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from distutils.spawn import _nt_quote_args
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from distutils.spawn import spawn
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from distutils.errors import DistutilsExecError
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from distutils.tests import support
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class SpawnTestCase(support.TempdirManager,
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support.LoggingSilencer,
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unittest.TestCase):
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def test_nt_quote_args(self):
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for (args, wanted) in ((['with space', 'nospace'],
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['"with space"', 'nospace']),
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(['nochange', 'nospace'],
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['nochange', 'nospace'])):
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res = _nt_quote_args(args)
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self.assertEqual(res, wanted)
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@unittest.skipUnless(os.name in ('nt', 'posix'),
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'Runs only under posix or nt')
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def test_spawn(self):
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tmpdir = self.mkdtemp()
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# creating something executable
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# through the shell that returns 1
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if sys.platform != 'win32':
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exe = os.path.join(tmpdir, 'foo.sh')
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self.write_file(exe, '#!%s\nexit 1' % unix_shell)
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else:
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exe = os.path.join(tmpdir, 'foo.bat')
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self.write_file(exe, 'exit 1')
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os.chmod(exe, 0o777)
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self.assertRaises(DistutilsExecError, spawn, [exe])
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# now something that works
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if sys.platform != 'win32':
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exe = os.path.join(tmpdir, 'foo.sh')
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self.write_file(exe, '#!%s\nexit 0' % unix_shell)
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else:
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exe = os.path.join(tmpdir, 'foo.bat')
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self.write_file(exe, 'exit 0')
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os.chmod(exe, 0o777)
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spawn([exe]) # should work without any error
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def test_find_executable(self):
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with test_support.temp_dir() as tmp_dir:
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# use TESTFN to get a pseudo-unique filename
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program_noeext = test_support.TESTFN
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# Give the temporary program an ".exe" suffix for all.
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# It's needed on Windows and not harmful on other platforms.
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program = program_noeext + ".exe"
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filename = os.path.join(tmp_dir, program)
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with open(filename, "wb"):
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pass
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os.chmod(filename, stat.S_IXUSR)
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# test path parameter
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rv = find_executable(program, path=tmp_dir)
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self.assertEqual(rv, filename)
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if sys.platform == 'win32':
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# test without ".exe" extension
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rv = find_executable(program_noeext, path=tmp_dir)
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self.assertEqual(rv, filename)
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# test find in the current directory
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with test_support.change_cwd(tmp_dir):
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rv = find_executable(program)
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self.assertEqual(rv, program)
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# test non-existent program
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dont_exist_program = "dontexist_" + program
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rv = find_executable(dont_exist_program , path=tmp_dir)
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self.assertIsNone(rv)
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# test os.defpath: missing PATH environment variable
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with test_support.EnvironmentVarGuard() as env:
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with mock.patch('distutils.spawn.os.defpath', tmp_dir):
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env.pop('PATH')
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rv = find_executable(program)
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self.assertEqual(rv, filename)
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def test_suite():
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return unittest.makeSuite(SpawnTestCase)
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if __name__ == "__main__":
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run_unittest(test_suite())
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