github.com/hugh712/snapd@v0.0.0-20200910133618-1a99902bd583/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 21 22 import ( 23 "fmt" 24 "os" 25 26 . "gopkg.in/check.v1" 27 ) 28 29 type ChdirTestSuite struct{} 30 31 var _ = Suite(&ChdirTestSuite{}) 32 33 func (ts *ChdirTestSuite) TestChdir(c *C) { 34 tmpdir := c.MkDir() 35 36 cwd, err := os.Getwd() 37 c.Assert(err, IsNil) 38 c.Assert(cwd, Not(Equals), tmpdir) 39 ChDir(tmpdir, func() error { 40 cwd, err := os.Getwd() 41 c.Assert(err, IsNil) 42 c.Assert(cwd, Equals, tmpdir) 43 return err 44 }) 45 } 46 47 func (ts *ChdirTestSuite) TestChdirErrorNoDir(c *C) { 48 err := ChDir("random-dir-that-does-not-exist", func() error { 49 return nil 50 }) 51 c.Assert(err, ErrorMatches, "chdir .*: no such file or directory") 52 } 53 54 func (ts *ChdirTestSuite) TestChdirErrorFromFunc(c *C) { 55 err := ChDir("/", func() error { 56 return fmt.Errorf("meep") 57 }) 58 c.Assert(err, ErrorMatches, "meep") 59 }