//go:build windows
// +build windows
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package mount
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"k8s.io/utils/exec/testing"
)
func makeLink(link, target string) error {
if output, err := exec.Command("cmd", "/c", "mklink", "/D", link, target).CombinedOutput(); err != nil {
return fmt.Errorf("mklink failed: %v, link(%q) target(%q) output: %q", err, link, target, string(output))
}
return nil
}
func removeLink(link string) error {
if output, err := exec.Command("cmd", "/c", "rmdir", link).CombinedOutput(); err != nil {
return fmt.Errorf("rmdir failed: %v, output: %q", err, string(output))
}
return nil
}
func setEquivalent(set1, set2 []string) bool {
map1 := make(map[string]bool)
map2 := make(map[string]bool)
for _, s := range set1 {
map1[s] = true
}
for _, s := range set2 {
map2[s] = true
}
for s := range map1 {
if !map2[s] {
return false
}
}
for s := range map2 {
if !map1[s] {
return false
}
}
return true
}
// this func must run in admin mode, otherwise it will fail
func TestGetMountRefs(t *testing.T) {
tests := []struct {
mountPath string
expectedRefs []string
}{
{
mountPath: `c:\windows`,
expectedRefs: []string{`c:\windows`},
},
{
mountPath: `c:\doesnotexist`,
expectedRefs: []string{},
},
}
mounter := Mounter{"fake/path"}
for _, test := range tests {
if refs, err := mounter.GetMountRefs(test.mountPath); err != nil || !setEquivalent(test.expectedRefs, refs) {
t.Errorf("getMountRefs(%q) = %v, error: %v; expected %v", test.mountPath, refs, err, test.expectedRefs)
}
}
}
func TestPathWithinBase(t *testing.T) {
tests := []struct {
fullPath string
basePath string
expectedResult bool
}{
{
fullPath: `c:\tmp\a\b\c`,
basePath: `c:\tmp`,
expectedResult: true,
},
{
fullPath: `c:\tmp1`,
basePath: `c:\tmp2`,
expectedResult: false,
},
{
fullPath: `c:\tmp`,
basePath: `c:\tmp`,
expectedResult: true,
},
{
fullPath: `c:\tmp`,
basePath: `c:\tmp\a\b\c`,
expectedResult: false,
},
{
fullPath: `c:\kubelet\pods\uuid\volumes\kubernetes.io~configmap\config\..timestamp\file.txt`,
basePath: `c:\kubelet\pods\uuid\volumes\kubernetes.io~configmap\config`,
expectedResult: true,
},
}
for _, test := range tests {
result := PathWithinBase(test.fullPath, test.basePath)
assert.Equal(t, result, test.expectedResult, "Expect result not equal with PathWithinBase(%s, %s) return: %q, expected: %q",
test.fullPath, test.basePath, result, test.expectedResult)
}
}
func TestIsLikelyNotMountPoint(t *testing.T) {
mounter := Mounter{"fake/path"}
tests := []struct {
fileName string
targetLinkName string
setUp func(base, fileName, targetLinkName string) error
expectedResult bool
expectError bool
}{
{
"Dir",
"",
func(base, fileName, targetLinkName string) error {
return os.Mkdir(filepath.Join(base, fileName), 0o750)
},
true,
false,
},
{
"InvalidDir",
"",
func(base, fileName, targetLinkName string) error {
return nil
},
true,
true,
},
{
"ValidSymLink",
"targetSymLink",
func(base, fileName, targetLinkName string) error {
targeLinkPath := filepath.Join(base, targetLinkName)
if err := os.Mkdir(targeLinkPath, 0o750); err != nil {
return err
}
filePath := filepath.Join(base, fileName)
if err := makeLink(filePath, targeLinkPath); err != nil {
return err
}
return nil
},
false,
false,
},
{
"InvalidSymLink",
"targetSymLink2",
func(base, fileName, targetLinkName string) error {
targeLinkPath := filepath.Join(base, targetLinkName)
if err := os.Mkdir(targeLinkPath, 0o750); err != nil {
return err
}
filePath := filepath.Join(base, fileName)
if err := makeLink(filePath, targeLinkPath); err != nil {
return err
}
return removeLink(targeLinkPath)
},
true,
false,
},
}
for _, test := range tests {
base := t.TempDir()
if err := test.setUp(base, test.fileName, test.targetLinkName); err != nil {
t.Fatalf("unexpected error in setUp(%s, %s): %v", test.fileName, test.targetLinkName, err)
}
filePath := filepath.Join(base, test.fileName)
result, err := mounter.IsLikelyNotMountPoint(filePath)
assert.Equal(t, result, test.expectedResult, "Expect result not equal with IsLikelyNotMountPoint(%s) return: %q, expected: %q",
filePath, result, test.expectedResult)
if test.expectError {
assert.NotNil(t, err, "Expect error during IsLikelyNotMountPoint(%s)", filePath)
} else {
assert.Nil(t, err, "Expect error is nil during IsLikelyNotMountPoint(%s)", filePath)
}
}
}
func TestFormatAndMount(t *testing.T) {
tests := []struct {
device string
target string
fstype string
execScripts []ExecArgs
mountOptions []string
expectError bool
}{
{
device: "0",
target: "disk",
fstype: "NTFS",
execScripts: []ExecArgs{
{"powershell", []string{"/c", "Get-Disk", "-Number"}, "0", nil},
{"powershell", []string{"/c", "Get-Partition", "-DiskNumber"}, "0", nil},
{"cmd", []string{"/c", "mklink", "/D"}, "", nil},
},
mountOptions: []string{},
expectError: false,
},
{
device: "0",
target: "disk",
fstype: "",
execScripts: []ExecArgs{
{"powershell", []string{"/c", "Get-Disk", "-Number"}, "0", nil},
{"powershell", []string{"/c", "Get-Partition", "-DiskNumber"}, "0", nil},
{"cmd", []string{"/c", "mklink", "/D"}, "", nil},
},
mountOptions: []string{},
expectError: false,
},
{
device: "invalidDevice",
target: "disk",
fstype: "NTFS",
mountOptions: []string{},
expectError: true,
},
}
for _, test := range tests {
fakeMounter := ErrorMounter{NewFakeMounter(nil), 0, nil}
fakeExec := &testingexec.FakeExec{}
for _, script := range test.execScripts {
fakeCmd := &testingexec.FakeCmd{}
cmdAction := makeFakeCmd(fakeCmd, script.command, script.args...)
outputAction := makeFakeOutput(script.output, script.err)
fakeCmd.CombinedOutputScript = append(fakeCmd.CombinedOutputScript, outputAction)
fakeExec.CommandScript = append(fakeExec.CommandScript, cmdAction)
}
mounter := SafeFormatAndMount{
Interface: &fakeMounter,
Exec: fakeExec,
}
target := filepath.Join(t.TempDir(), test.target)
err := mounter.FormatAndMount(test.device, target, test.fstype, test.mountOptions)
if test.expectError {
assert.NotNil(t, err, "Expect error during FormatAndMount(%s, %s, %s, %v)", test.device, test.target, test.fstype, test.mountOptions)
} else {
assert.Nil(t, err, "Expect error is nil during FormatAndMount(%s, %s, %s, %v)", test.device, test.target, test.fstype, test.mountOptions)
}
}
}
func TestNewSMBMapping(t *testing.T) {
tests := []struct {
username string
password string
remotepath string
expectError bool
}{
{
"",
"password",
`\\remotepath`,
true,
},
{
"username",
"",
`\\remotepath`,
true,
},
{
"username",
"password",
"",
true,
},
}
for _, test := range tests {
_, err := newSMBMapping(test.username, test.password, test.remotepath)
if test.expectError {
assert.NotNil(t, err, "Expect error during newSMBMapping(%s, %s, %s, %v)", test.username, test.password, test.remotepath)
} else {
assert.Nil(t, err, "Expect error is nil during newSMBMapping(%s, %s, %s, %v)", test.username, test.password, test.remotepath)
}
}
}
func TestIsValidPath(t *testing.T) {
tests := []struct {
remotepath string
expectedResult bool
expectError bool
}{
{
"c:",
true,
false,
},
{
"invalid-path",
false,
false,
},
}
for _, test := range tests {
result, err := isValidPath(test.remotepath)
assert.Equal(t, result, test.expectedResult, "Expect result not equal with isValidPath(%s) return: %q, expected: %q, error: %v",
test.remotepath, result, test.expectedResult, err)
if test.expectError {
assert.NotNil(t, err, "Expect error during isValidPath(%s)", test.remotepath)
} else {
assert.Nil(t, err, "Expect error is nil during isValidPath(%s)", test.remotepath)
}
}
}
func TestIsAccessDeniedError(t *testing.T) {
tests := []struct {
err error
expectedResult bool
}{
{
nil,
false,
},
{
fmt.Errorf("other error message"),
false,
},
{
fmt.Errorf(`PathValid(\\xxx\share) failed with returned output: Test-Path : Access is denied`),
true,
},
}
for _, test := range tests {
result := isAccessDeniedError(test.err)
assert.Equal(t, result, test.expectedResult, "Expect result not equal with isAccessDeniedError(%v) return: %q, expected: %q",
test.err, result, test.expectedResult)
}
}