github.com/Lephar/snapd@v0.0.0-20210825215435-c7fba9cef4d2/osutil/chdir_test.go (about) 1 // -*- Mode: Go; indent-tabs-mode: t -*- 2 3 /* 4 * Copyright (C) 2014-2015 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_test 21 22 import ( 23 "fmt" 24 "os" 25 26 . "gopkg.in/check.v1" 27 28 "github.com/snapcore/snapd/osutil" 29 ) 30 31 type ChdirTestSuite struct{} 32 33 var _ = Suite(&ChdirTestSuite{}) 34 35 func (ts *ChdirTestSuite) TestChdir(c *C) { 36 tmpdir := c.MkDir() 37 38 cwd, err := os.Getwd() 39 c.Assert(err, IsNil) 40 c.Assert(cwd, Not(Equals), tmpdir) 41 osutil.ChDir(tmpdir, func() error { 42 cwd, err := os.Getwd() 43 c.Assert(err, IsNil) 44 c.Assert(cwd, Equals, tmpdir) 45 return err 46 }) 47 } 48 49 func (ts *ChdirTestSuite) TestChdirErrorNoDir(c *C) { 50 err := osutil.ChDir("random-dir-that-does-not-exist", func() error { 51 return nil 52 }) 53 c.Assert(err, ErrorMatches, "chdir .*: no such file or directory") 54 } 55 56 func (ts *ChdirTestSuite) TestChdirErrorFromFunc(c *C) { 57 err := osutil.ChDir("/", func() error { 58 return fmt.Errorf("meep") 59 }) 60 c.Assert(err, ErrorMatches, "meep") 61 }