def testIsExecutable(self):
self.assertFalse(py_utils.IsExecutable('nonexistent_file'))
# We use actual files on disk instead of pyfakefs because the executable is
# set different on win that posix platforms and pyfakefs doesn't support
# win platform well.
self.assertFalse(py_utils.IsExecutable(_GetFileInTestDir('foo.txt')))
self.assertTrue(py_utils.IsExecutable(sys.executable))
def _FindExecutableInPath(relative_executable_path, *extra_search_paths):
search_paths = list(extra_search_paths) + os.environ['PATH'].split(os.pathsep)
for search_path in search_paths:
executable_path = os.path.join(search_path, relative_executable_path)
if py_utils.IsExecutable(executable_path):
return executable_path
return None
