def test_returns_more_than_one_match_when_available(self):
self.path_append('bin')
ls = self.create_sh('ls')
eq_(list(which('ls')), [ls])
bin_ls = self.create_sh('bin/ls')
eq_(list(which('ls')), [ls, bin_ls])
def test_returns_empty_list_when_file_is_not_found(self):
eq_(list(which('non-existent')), [])
def test_does_not_pick_up_files_that_are_not_executable(self):
ls = self.create_sh('ls', mode=0o600)
eq_(list(which('ls')), [])
os.chmod(ls, 0o755)
eq_(list(which('ls')), [ls])