github.com/rigado/snapd@v2.42.5-go-mod+incompatible/overlord/snapshotstate/backend/export_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2018 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 backend
    21  
    22  import (
    23  	"os"
    24  	"os/user"
    25  
    26  	"github.com/snapcore/snapd/osutil/sys"
    27  )
    28  
    29  var (
    30  	AddDirToZip     = addDirToZip
    31  	TarAsUser       = tarAsUser
    32  	PickUserWrapper = pickUserWrapper
    33  )
    34  
    35  func MockIsTesting(newIsTesting bool) func() {
    36  	oldIsTesting := isTesting
    37  	isTesting = newIsTesting
    38  	return func() {
    39  		isTesting = oldIsTesting
    40  	}
    41  }
    42  
    43  func MockUserLookupId(newLookupId func(string) (*user.User, error)) func() {
    44  	oldLookupId := userLookupId
    45  	userLookupId = newLookupId
    46  	return func() {
    47  		userLookupId = oldLookupId
    48  	}
    49  }
    50  
    51  func MockOsOpen(newOsOpen func(string) (*os.File, error)) func() {
    52  	oldOsOpen := osOpen
    53  	osOpen = newOsOpen
    54  	return func() {
    55  		osOpen = oldOsOpen
    56  	}
    57  }
    58  
    59  func MockDirNames(newDirNames func(*os.File, int) ([]string, error)) func() {
    60  	oldDirNames := dirNames
    61  	dirNames = newDirNames
    62  	return func() {
    63  		dirNames = oldDirNames
    64  	}
    65  }
    66  
    67  func MockOpen(newOpen func(string) (*Reader, error)) func() {
    68  	oldOpen := backendOpen
    69  	backendOpen = newOpen
    70  	return func() {
    71  		backendOpen = oldOpen
    72  	}
    73  }
    74  
    75  func MockSysGeteuid(newGeteuid func() sys.UserID) (restore func()) {
    76  	oldGeteuid := sysGeteuid
    77  	sysGeteuid = newGeteuid
    78  	return func() {
    79  		sysGeteuid = oldGeteuid
    80  	}
    81  }
    82  
    83  func MockExecLookPath(newLookPath func(string) (string, error)) (restore func()) {
    84  	oldLookPath := execLookPath
    85  	execLookPath = newLookPath
    86  	return func() {
    87  		execLookPath = oldLookPath
    88  	}
    89  }
    90  
    91  func SetUserWrapper(newUserWrapper string) (restore func()) {
    92  	oldUserWrapper := userWrapper
    93  	userWrapper = newUserWrapper
    94  	return func() {
    95  		userWrapper = oldUserWrapper
    96  	}
    97  }