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How to use find_executable method in autotest

Best Python code snippet using autotest_python

test_spawn.py

Source:test_spawn.py

...34            exe = os.path.join(tmpdir, 'foo.bat')35            self.write_file(exe, 'exit 0')36        os.chmod(exe, 0o777)37        spawn([exe])  # should work without any error38    def test_find_executable(self):39        with test_support.temp_dir() as tmp_dir:40            # use TESTFN to get a pseudo-unique filename41            program_noeext = test_support.TESTFN42            # Give the temporary program an ".exe" suffix for all.43            # It's needed on Windows and not harmful on other platforms.44            program = program_noeext + ".exe"45            filename = os.path.join(tmp_dir, program)46            with open(filename, "wb"):47                pass48            os.chmod(filename, stat.S_IXUSR)49            # test path parameter50            rv = find_executable(program, path=tmp_dir)51            self.assertEqual(rv, filename)52            if sys.platform == 'win32':53                # test without ".exe" extension54                rv = find_executable(program_noeext, path=tmp_dir)55                self.assertEqual(rv, filename)56            # test find in the current directory57            with test_support.change_cwd(tmp_dir):58                rv = find_executable(program)59                self.assertEqual(rv, program)60            # test non-existent program61            dont_exist_program = "dontexist_" + program62            rv = find_executable(dont_exist_program , path=tmp_dir)63            self.assertIsNone(rv)64            # PATH='': no match, except in the current directory65            with test_support.EnvironmentVarGuard() as env:66                env['PATH'] = ''67                with unittest.mock.patch('distutils.spawn.os.confstr',68                                         return_value=tmp_dir, create=True), \69                     unittest.mock.patch('distutils.spawn.os.defpath',70                                         tmp_dir):71                    rv = find_executable(program)72                    self.assertIsNone(rv)73                    # look in current directory74                    with test_support.change_cwd(tmp_dir):75                        rv = find_executable(program)76                        self.assertEqual(rv, program)77            # PATH=':': explicitly looks in the current directory78            with test_support.EnvironmentVarGuard() as env:79                env['PATH'] = os.pathsep80                with unittest.mock.patch('distutils.spawn.os.confstr',81                                         return_value='', create=True), \82                     unittest.mock.patch('distutils.spawn.os.defpath', ''):83                    rv = find_executable(program)84                    self.assertIsNone(rv)85                    # look in current directory86                    with test_support.change_cwd(tmp_dir):87                        rv = find_executable(program)88                        self.assertEqual(rv, program)89            # missing PATH: test os.confstr("CS_PATH") and os.defpath90            with test_support.EnvironmentVarGuard() as env:91                env.pop('PATH', None)92                # without confstr93                with unittest.mock.patch('distutils.spawn.os.confstr',94                                         side_effect=ValueError,95                                         create=True), \96                     unittest.mock.patch('distutils.spawn.os.defpath',97                                         tmp_dir):98                    rv = find_executable(program)99                    self.assertEqual(rv, filename)100                # with confstr101                with unittest.mock.patch('distutils.spawn.os.confstr',102                                         return_value=tmp_dir, create=True), \103                     unittest.mock.patch('distutils.spawn.os.defpath', ''):104                    rv = find_executable(program)105                    self.assertEqual(rv, filename)106    def test_spawn_missing_exe(self):107        with self.assertRaises(DistutilsExecError) as ctx:108            spawn(['does-not-exist'])109        self.assertIn("command 'does-not-exist' failed", str(ctx.exception))110def test_suite():111    return unittest.makeSuite(SpawnTestCase)112if __name__ == "__main__":...

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