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package afero
import (
"os"
"path/filepath"
"runtime"
"testing"
"time"
)
func TestNormalizePath(t *testing.T) {
type test struct {
input string
expected string
}
data := []test{
{".", FilePathSeparator},
{"./", FilePathSeparator},
{"..", FilePathSeparator},
{"../", FilePathSeparator},
{"./..", FilePathSeparator},
{"./../", FilePathSeparator},
}
for i, d := range data {
cpath := normalizePath(d.input)
if d.expected != cpath {
t.Errorf("Test %d failed. Expected %q got %q", i, d.expected, cpath)
}
}
}
func TestPathErrors(t *testing.T) {
path := filepath.Join(".", "some", "path")
path2 := filepath.Join(".", "different", "path")
fs := NewMemMapFs()
perm := os.FileMode(0755)
// relevant functions:
// func (m *MemMapFs) Chmod(name string, mode os.FileMode) error
// func (m *MemMapFs) Chtimes(name string, atime time.Time, mtime time.Time) error
// func (m *MemMapFs) Create(name string) (File, error)
// func (m *MemMapFs) Mkdir(name string, perm os.FileMode) error
// func (m *MemMapFs) MkdirAll(path string, perm os.FileMode) error
// func (m *MemMapFs) Open(name string) (File, error)
// func (m *MemMapFs) OpenFile(name string, flag int, perm os.FileMode) (File, error)
// func (m *MemMapFs) Remove(name string) error
// func (m *MemMapFs) Rename(oldname, newname string) error
// func (m *MemMapFs) Stat(name string) (os.FileInfo, error)
err := fs.Chmod(path, perm)
checkPathError(t, err, "Chmod")
err = fs.Chtimes(path, time.Now(), time.Now())
checkPathError(t, err, "Chtimes")
// fs.Create doesn't return an error
err = fs.Mkdir(path2, perm)
if err != nil {
t.Error(err)
}
err = fs.Mkdir(path2, perm)
checkPathError(t, err, "Mkdir")
err = fs.MkdirAll(path2, perm)
if err != nil {
t.Error("MkdirAll:", err)
}
_, err = fs.Open(path)
checkPathError(t, err, "Open")
_, err = fs.OpenFile(path, os.O_RDWR, perm)
checkPathError(t, err, "OpenFile")
err = fs.Remove(path)
checkPathError(t, err, "Remove")
err = fs.RemoveAll(path)
if err != nil {
t.Error("RemoveAll:", err)
}
err = fs.Rename(path, path2)
checkPathError(t, err, "Rename")
_, err = fs.Stat(path)
checkPathError(t, err, "Stat")
}
func checkPathError(t *testing.T, err error, op string) {
pathErr, ok := err.(*os.PathError)
if !ok {
t.Error(op+":", err, "is not a os.PathError")
return
}
_, ok = pathErr.Err.(*os.PathError)
if ok {
t.Error(op+":", err, "contains another os.PathError")
}
}
// Ensure Permissions are set on OpenFile/Mkdir/MkdirAll
func TestPermSet(t *testing.T) {
const fileName = "/myFileTest"
const dirPath = "/myDirTest"
const dirPathAll = "/my/path/to/dir"
const fileMode = os.FileMode(0765)
fs := NewMemMapFs()
// Test Openfile
f, err := fs.OpenFile(fileName, os.O_CREATE, fileMode)
if err != nil {
t.Errorf("OpenFile Create failed: %s", err)
return
}
f.Close()
s, err := fs.Stat(fileName)
if err != nil {
t.Errorf("Stat failed: %s", err)
return
}
if s.Mode().String() != fileMode.String() {
t.Errorf("Permissions Incorrect: %s != %s", s.Mode().String(), fileMode.String())
return
}
// Test Mkdir
err = fs.Mkdir(dirPath, fileMode)
if err != nil {
t.Errorf("MkDir Create failed: %s", err)
return
}
s, err = fs.Stat(dirPath)
if err != nil {
t.Errorf("Stat failed: %s", err)
return
}
if s.Mode().String() != fileMode.String() {
t.Errorf("Permissions Incorrect: %s != %s", s.Mode().String(), fileMode.String())
return
}
// Test MkdirAll
err = fs.MkdirAll(dirPathAll, fileMode)
if err != nil {
t.Errorf("MkDir Create failed: %s", err)
return
}
s, err = fs.Stat(dirPathAll)
if err != nil {
t.Errorf("Stat failed: %s", err)
return
}
if s.Mode().String() != fileMode.String() {
t.Errorf("Permissions Incorrect: %s != %s", s.Mode().String(), fileMode.String())
return
}
}
// Fails if multiple file objects use the same file.at counter in MemMapFs
func TestMultipleOpenFiles(t *testing.T) {
defer removeAllTestFiles(t)
const fileName = "afero-demo2.txt"
var data = make([][]byte, len(Fss))
for i, fs := range Fss {
dir := testDir(fs)
path := filepath.Join(dir, fileName)
fh1, err := fs.Create(path)
if err != nil {
t.Error("fs.Create failed: " + err.Error())
}
_, err = fh1.Write([]byte("test"))
if err != nil {
t.Error("fh.Write failed: " + err.Error())
}
_, err = fh1.Seek(0, os.SEEK_SET)
if err != nil {
t.Error(err)
}
fh2, err := fs.OpenFile(path, os.O_RDWR, 0777)
if err != nil {
t.Error("fs.OpenFile failed: " + err.Error())
}
_, err = fh2.Seek(0, os.SEEK_END)
if err != nil {
t.Error(err)
}
_, err = fh2.Write([]byte("data"))
if err != nil {
t.Error(err)
}
err = fh2.Close()
if err != nil {
t.Error(err)
}
_, err = fh1.Write([]byte("data"))
if err != nil {
t.Error(err)
}
err = fh1.Close()
if err != nil {
t.Error(err)
}
// the file now should contain "datadata"
data[i], err = ReadFile(fs, path)
if err != nil {
t.Error(err)
}
}
for i, fs := range Fss {
if i == 0 {
continue
}
if string(data[0]) != string(data[i]) {
t.Errorf("%s and %s don't behave the same\n"+
"%s: \"%s\"\n%s: \"%s\"\n",
Fss[0].Name(), fs.Name(), Fss[0].Name(), data[0], fs.Name(), data[i])
}
}
}
// Test if file.Write() fails when opened as read only
func TestReadOnly(t *testing.T) {
defer removeAllTestFiles(t)
const fileName = "afero-demo.txt"
for _, fs := range Fss {
dir := testDir(fs)
path := filepath.Join(dir, fileName)
f, err := fs.Create(path)
if err != nil {
t.Error(fs.Name()+":", "fs.Create failed: "+err.Error())
}
_, err = f.Write([]byte("test"))
if err != nil {
t.Error(fs.Name()+":", "Write failed: "+err.Error())
}
f.Close()
f, err = fs.Open(path)
if err != nil {
t.Error("fs.Open failed: " + err.Error())
}
_, err = f.Write([]byte("data"))
if err == nil {
t.Error(fs.Name()+":", "No write error")
}
f.Close()
f, err = fs.OpenFile(path, os.O_RDONLY, 0644)
if err != nil {
t.Error("fs.Open failed: " + err.Error())
}
_, err = f.Write([]byte("data"))
if err == nil {
t.Error(fs.Name()+":", "No write error")
}
f.Close()
}
}
func TestWriteCloseTime(t *testing.T) {
defer removeAllTestFiles(t)
const fileName = "afero-demo.txt"
for _, fs := range Fss {
dir := testDir(fs)
path := filepath.Join(dir, fileName)
f, err := fs.Create(path)
if err != nil {
t.Error(fs.Name()+":", "fs.Create failed: "+err.Error())
}
f.Close()
f, err = fs.Create(path)
if err != nil {
t.Error(fs.Name()+":", "fs.Create failed: "+err.Error())
}
fi, err := f.Stat()
if err != nil {
t.Error(fs.Name()+":", "Stat failed: "+err.Error())
}
timeBefore := fi.ModTime()
// sorry for the delay, but we have to make sure time advances,
// also on non Un*x systems...
switch runtime.GOOS {
case "windows":
time.Sleep(2 * time.Second)
case "darwin":
time.Sleep(1 * time.Second)
default: // depending on the FS, this may work with < 1 second, on my old ext3 it does not
time.Sleep(1 * time.Second)
}
_, err = f.Write([]byte("test"))
if err != nil {
t.Error(fs.Name()+":", "Write failed: "+err.Error())
}
f.Close()
fi, err = fs.Stat(path)
if err != nil {
t.Error(fs.Name()+":", "fs.Stat failed: "+err.Error())
}
if fi.ModTime().Equal(timeBefore) {
t.Error(fs.Name()+":", "ModTime was not set on Close()")
}
}
}
// This test should be run with the race detector on:
// go test -race -v -timeout 10s -run TestRacingDeleteAndClose
func TestRacingDeleteAndClose(t *testing.T) {
fs := NewMemMapFs()
pathname := "testfile"
f, err := fs.Create(pathname)
if err != nil {
t.Fatal(err)
}
in := make(chan bool)
go func() {
<-in
f.Close()
}()
go func() {
<-in
fs.Remove(pathname)
}()
close(in)
}
|
