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425 lines
10 KiB
Go
425 lines
10 KiB
Go
// +build windows
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package mount
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestNormalizeWindowsPath(t *testing.T) {
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path := `/var/lib/kubelet/pods/146f8428-83e7-11e7-8dd4-000d3a31dac4/volumes/kubernetes.io~azure-disk`
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normalizedPath := normalizeWindowsPath(path)
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if normalizedPath != `c:\var\lib\kubelet\pods\146f8428-83e7-11e7-8dd4-000d3a31dac4\volumes\kubernetes.io~azure-disk` {
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t.Errorf("normizeWindowsPath test failed, normalizedPath : %q", normalizedPath)
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}
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path = `/var/lib/kubelet/pods/146f8428-83e7-11e7-8dd4-000d3a31dac4\volumes\kubernetes.io~azure-disk`
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normalizedPath = normalizeWindowsPath(path)
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if normalizedPath != `c:\var\lib\kubelet\pods\146f8428-83e7-11e7-8dd4-000d3a31dac4\volumes\kubernetes.io~azure-disk` {
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t.Errorf("normizeWindowsPath test failed, normalizedPath : %q", normalizedPath)
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}
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path = `/`
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normalizedPath = normalizeWindowsPath(path)
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if normalizedPath != `c:\` {
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t.Errorf("normizeWindowsPath test failed, normalizedPath : %q", normalizedPath)
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}
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}
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func TestValidateDiskNumber(t *testing.T) {
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diskNum := "0"
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if err := ValidateDiskNumber(diskNum); err != nil {
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t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
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}
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diskNum = "99"
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if err := ValidateDiskNumber(diskNum); err != nil {
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t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
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}
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diskNum = "ab"
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if err := ValidateDiskNumber(diskNum); err == nil {
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t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
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}
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diskNum = "100"
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if err := ValidateDiskNumber(diskNum); err == nil {
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t.Errorf("TestValidateDiskNumber test failed, disk number : %s", diskNum)
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}
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}
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func makeLink(link, target string) error {
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if output, err := exec.Command("cmd", "/c", "mklink", "/D", link, target).CombinedOutput(); err != nil {
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return fmt.Errorf("mklink failed: %v, link(%q) target(%q) output: %q", err, link, target, string(output))
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}
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return nil
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}
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func removeLink(link string) error {
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if output, err := exec.Command("cmd", "/c", "rmdir", link).CombinedOutput(); err != nil {
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return fmt.Errorf("rmdir failed: %v, output: %q", err, string(output))
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}
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return nil
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}
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func setEquivalent(set1, set2 []string) bool {
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map1 := make(map[string]bool)
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map2 := make(map[string]bool)
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for _, s := range set1 {
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map1[s] = true
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}
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for _, s := range set2 {
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map2[s] = true
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}
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for s := range map1 {
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if !map2[s] {
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return false
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}
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}
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for s := range map2 {
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if !map1[s] {
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return false
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}
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}
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return true
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}
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// this func must run in admin mode, otherwise it will fail
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func TestGetMountRefs(t *testing.T) {
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tests := []struct {
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mountPath string
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expectedRefs []string
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}{
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{
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mountPath: `c:\windows`,
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expectedRefs: []string{`c:\windows`},
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},
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{
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mountPath: `c:\doesnotexist`,
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expectedRefs: []string{},
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},
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}
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mounter := Mounter{"fake/path"}
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for _, test := range tests {
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if refs, err := mounter.GetMountRefs(test.mountPath); err != nil || !setEquivalent(test.expectedRefs, refs) {
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t.Errorf("getMountRefs(%q) = %v, error: %v; expected %v", test.mountPath, refs, err, test.expectedRefs)
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}
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}
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}
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func TestPathWithinBase(t *testing.T) {
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tests := []struct {
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fullPath string
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basePath string
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expectedResult bool
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}{
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{
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fullPath: `c:\tmp\a\b\c`,
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basePath: `c:\tmp`,
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expectedResult: true,
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},
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{
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fullPath: `c:\tmp1`,
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basePath: `c:\tmp2`,
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expectedResult: false,
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},
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{
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fullPath: `c:\tmp`,
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basePath: `c:\tmp`,
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expectedResult: true,
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},
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{
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fullPath: `c:\tmp`,
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basePath: `c:\tmp\a\b\c`,
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expectedResult: false,
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},
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{
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fullPath: `c:\kubelet\pods\uuid\volumes\kubernetes.io~configmap\config\..timestamp\file.txt`,
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basePath: `c:\kubelet\pods\uuid\volumes\kubernetes.io~configmap\config`,
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expectedResult: true,
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},
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}
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for _, test := range tests {
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result := PathWithinBase(test.fullPath, test.basePath)
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assert.Equal(t, result, test.expectedResult, "Expect result not equal with PathWithinBase(%s, %s) return: %q, expected: %q",
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test.fullPath, test.basePath, result, test.expectedResult)
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}
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}
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func TestGetFileType(t *testing.T) {
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hu := NewHostUtil()
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testCase := []struct {
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name string
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expectedType FileType
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setUp func() (string, string, error)
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}{
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{
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"Directory Test",
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FileTypeDirectory,
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func() (string, string, error) {
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tempDir, err := ioutil.TempDir("", "test-get-filetype-")
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return tempDir, tempDir, err
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},
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},
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{
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"File Test",
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FileTypeFile,
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func() (string, string, error) {
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tempFile, err := ioutil.TempFile("", "test-get-filetype")
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if err != nil {
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return "", "", err
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}
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tempFile.Close()
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return tempFile.Name(), tempFile.Name(), nil
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},
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},
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}
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for idx, tc := range testCase {
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path, cleanUpPath, err := tc.setUp()
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if err != nil {
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t.Fatalf("[%d-%s] unexpected error : %v", idx, tc.name, err)
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}
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if len(cleanUpPath) > 0 {
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defer os.RemoveAll(cleanUpPath)
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}
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fileType, err := hu.GetFileType(path)
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if err != nil {
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t.Fatalf("[%d-%s] unexpected error : %v", idx, tc.name, err)
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}
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if fileType != tc.expectedType {
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t.Fatalf("[%d-%s] expected %s, but got %s", idx, tc.name, tc.expectedType, fileType)
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}
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}
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}
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func TestIsLikelyNotMountPoint(t *testing.T) {
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mounter := Mounter{"fake/path"}
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tests := []struct {
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fileName string
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targetLinkName string
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setUp func(base, fileName, targetLinkName string) error
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expectedResult bool
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expectError bool
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}{
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{
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"Dir",
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"",
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func(base, fileName, targetLinkName string) error {
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return os.Mkdir(filepath.Join(base, fileName), 0750)
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},
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true,
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false,
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},
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{
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"InvalidDir",
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"",
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func(base, fileName, targetLinkName string) error {
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return nil
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},
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true,
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true,
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},
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{
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"ValidSymLink",
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"targetSymLink",
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func(base, fileName, targetLinkName string) error {
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targeLinkPath := filepath.Join(base, targetLinkName)
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if err := os.Mkdir(targeLinkPath, 0750); err != nil {
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return err
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}
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filePath := filepath.Join(base, fileName)
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if err := makeLink(filePath, targeLinkPath); err != nil {
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return err
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}
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return nil
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},
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false,
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false,
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},
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{
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"InvalidSymLink",
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"targetSymLink2",
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func(base, fileName, targetLinkName string) error {
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targeLinkPath := filepath.Join(base, targetLinkName)
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if err := os.Mkdir(targeLinkPath, 0750); err != nil {
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return err
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}
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filePath := filepath.Join(base, fileName)
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if err := makeLink(filePath, targeLinkPath); err != nil {
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return err
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}
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return removeLink(targeLinkPath)
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},
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true,
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false,
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},
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}
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for _, test := range tests {
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base, err := ioutil.TempDir("", test.fileName)
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if err != nil {
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t.Fatalf(err.Error())
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}
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defer os.RemoveAll(base)
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if err := test.setUp(base, test.fileName, test.targetLinkName); err != nil {
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t.Fatalf("unexpected error in setUp(%s, %s): %v", test.fileName, test.targetLinkName, err)
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}
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filePath := filepath.Join(base, test.fileName)
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result, err := mounter.IsLikelyNotMountPoint(filePath)
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assert.Equal(t, result, test.expectedResult, "Expect result not equal with IsLikelyNotMountPoint(%s) return: %q, expected: %q",
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filePath, result, test.expectedResult)
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if test.expectError {
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assert.NotNil(t, err, "Expect error during IsLikelyNotMountPoint(%s)", filePath)
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} else {
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assert.Nil(t, err, "Expect error is nil during IsLikelyNotMountPoint(%s)", filePath)
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}
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}
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}
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func TestFormatAndMount(t *testing.T) {
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fakeMounter := ErrorMounter{&FakeMounter{}, 0, nil}
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execCallback := func(cmd string, args ...string) ([]byte, error) {
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for j := range args {
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if strings.Contains(args[j], "Get-Disk -Number") {
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return []byte("0"), nil
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}
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if strings.Contains(args[j], "Get-Partition -DiskNumber") {
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return []byte("0"), nil
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}
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if strings.Contains(args[j], "mklink") {
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return nil, nil
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}
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}
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return nil, fmt.Errorf("Unexpected cmd %s, args %v", cmd, args)
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}
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fakeExec := NewFakeExec(execCallback)
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mounter := SafeFormatAndMount{
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Interface: &fakeMounter,
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Exec: fakeExec,
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}
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tests := []struct {
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device string
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target string
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fstype string
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mountOptions []string
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expectError bool
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}{
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{
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"0",
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"disk",
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"NTFS",
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[]string{},
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false,
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},
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{
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"0",
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"disk",
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"",
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[]string{},
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false,
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},
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{
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"invalidDevice",
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"disk",
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"NTFS",
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[]string{},
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true,
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},
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}
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for _, test := range tests {
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base, err := ioutil.TempDir("", test.device)
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if err != nil {
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t.Fatalf(err.Error())
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}
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defer os.RemoveAll(base)
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target := filepath.Join(base, test.target)
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err = mounter.FormatAndMount(test.device, target, test.fstype, test.mountOptions)
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if test.expectError {
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assert.NotNil(t, err, "Expect error during FormatAndMount(%s, %s, %s, %v)", test.device, test.target, test.fstype, test.mountOptions)
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} else {
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assert.Nil(t, err, "Expect error is nil during FormatAndMount(%s, %s, %s, %v)", test.device, test.target, test.fstype, test.mountOptions)
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}
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}
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}
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func TestNewSMBMapping(t *testing.T) {
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tests := []struct {
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username string
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password string
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remotepath string
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expectError bool
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}{
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{
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"",
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"password",
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`\\remotepath`,
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true,
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},
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{
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"username",
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"",
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`\\remotepath`,
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true,
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},
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{
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"username",
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"password",
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"",
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true,
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},
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}
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for _, test := range tests {
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_, err := newSMBMapping(test.username, test.password, test.remotepath)
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if test.expectError {
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assert.NotNil(t, err, "Expect error during newSMBMapping(%s, %s, %s, %v)", test.username, test.password, test.remotepath)
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} else {
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assert.Nil(t, err, "Expect error is nil during newSMBMapping(%s, %s, %s, %v)", test.username, test.password, test.remotepath)
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}
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}
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}
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