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mockable.go
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mockable.go
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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package osutil
import (
"os"
"os/user"
"syscall"
)
// MockMountInfo is meant for tests to mock the content of /proc/self/mountinfo.
func MockMountInfo(content string) (restore func()) {
old := mockedMountInfo
mockedMountInfo = &content
return func() {
mockedMountInfo = old
}
}
func MockFindUid(f func(string) (uint64, error)) (restore func()) {
old := FindUid
FindUid = f
return func() {
FindUid = old
}
}
func MockFindGid(f func(string) (uint64, error)) (restore func()) {
old := FindGid
FindGid = f
return func() {
FindGid = old
}
}
var (
mockedMountInfo *string
userLookup = user.Lookup
userCurrent = user.Current
osReadlink = os.Readlink
syscallKill = syscall.Kill
syscallGetpgid = syscall.Getpgid
etcFstab = "/etc/fstab"
sudoersDotD = "/etc/sudoers.d"
procSelfMountInfo = "/proc/self/mountinfo"
)