github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/osutil/fshelpers_test.go (about) 1 // -*- Mode: Go; indent-tabs-mode: t -*- 2 3 /* 4 * Copyright (C) 2017 Canonical Ltd 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 3 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 */ 19 20 package osutil 21 22 import ( 23 "io/ioutil" 24 "os" 25 "path/filepath" 26 "strconv" 27 28 . "gopkg.in/check.v1" 29 ) 30 31 type groupFindGidOwningSuite struct{} 32 33 var _ = Suite(&groupFindGidOwningSuite{}) 34 35 func (s *groupFindGidOwningSuite) TestSelfOwnedFile(c *C) { 36 name := filepath.Join(c.MkDir(), "testownedfile") 37 err := ioutil.WriteFile(name, nil, 0644) 38 c.Assert(err, IsNil) 39 40 gid, err := FindGidOwning(name) 41 c.Check(err, IsNil) 42 43 self, err := RealUser() 44 c.Assert(err, IsNil) 45 c.Check(strconv.FormatUint(gid, 10), Equals, self.Gid) 46 } 47 48 func (s *groupFindGidOwningSuite) TestNoOwnedFile(c *C) { 49 _, err := FindGidOwning("/tmp/filedoesnotexistbutwhy") 50 c.Assert(err, DeepEquals, os.ErrNotExist) 51 }