mirror of https://github.com/spf13/afero.git
552 lines
12 KiB
Go
552 lines
12 KiB
Go
//go:build go1.16
|
|
// +build go1.16
|
|
|
|
package afero
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/fs"
|
|
"math/rand"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
"testing"
|
|
"testing/fstest"
|
|
"time"
|
|
|
|
"github.com/spf13/afero/internal/common"
|
|
)
|
|
|
|
func TestIOFS(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
// TODO(bep): some of the "bad path" tests in fstest.TestFS fail on Windows
|
|
t.Skip("Skipping on Windows")
|
|
}
|
|
t.Parallel()
|
|
|
|
t.Run("use MemMapFs", func(t *testing.T) {
|
|
mmfs := NewMemMapFs()
|
|
|
|
err := mmfs.MkdirAll("dir1/dir2", os.ModePerm)
|
|
if err != nil {
|
|
t.Fatal("MkdirAll failed:", err)
|
|
}
|
|
|
|
f, err := mmfs.OpenFile("dir1/dir2/test.txt", os.O_RDWR|os.O_CREATE, os.ModePerm)
|
|
if err != nil {
|
|
t.Fatal("OpenFile (O_CREATE) failed:", err)
|
|
}
|
|
|
|
f.Close()
|
|
|
|
if err := fstest.TestFS(NewIOFS(mmfs), "dir1/dir2/test.txt"); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
|
|
t.Run("use OsFs", func(t *testing.T) {
|
|
osfs := NewBasePathFs(NewOsFs(), t.TempDir())
|
|
|
|
err := osfs.MkdirAll("dir1/dir2", os.ModePerm)
|
|
if err != nil {
|
|
t.Fatal("MkdirAll failed:", err)
|
|
}
|
|
|
|
f, err := osfs.OpenFile("dir1/dir2/test.txt", os.O_RDWR|os.O_CREATE, os.ModePerm)
|
|
if err != nil {
|
|
t.Fatal("OpenFile (O_CREATE) failed:", err)
|
|
}
|
|
|
|
f.Close()
|
|
|
|
if err := fstest.TestFS(NewIOFS(osfs), "dir1/dir2/test.txt"); err != nil {
|
|
t.Error(err)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestIOFSNativeDirEntryWhenPossible(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
osfs := NewBasePathFs(NewOsFs(), t.TempDir())
|
|
|
|
err := osfs.MkdirAll("dir1/dir2", os.ModePerm)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
const numFiles = 10
|
|
|
|
var fileNumbers []int
|
|
for i := 0; i < numFiles; i++ {
|
|
fileNumbers = append(fileNumbers, i)
|
|
}
|
|
rand.Shuffle(len(fileNumbers), func(i, j int) {
|
|
fileNumbers[i], fileNumbers[j] = fileNumbers[j], fileNumbers[i]
|
|
})
|
|
|
|
for _, i := range fileNumbers {
|
|
f, err := osfs.Create(fmt.Sprintf("dir1/dir2/test%d.txt", i))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
f.Close()
|
|
}
|
|
|
|
dir2, err := osfs.Open("dir1/dir2")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
assertDirEntries := func(entries []fs.DirEntry, ordered bool) {
|
|
if len(entries) != numFiles {
|
|
t.Fatalf("expected %d, got %d", numFiles, len(entries))
|
|
}
|
|
for i, entry := range entries {
|
|
if _, ok := entry.(common.FileInfoDirEntry); ok {
|
|
t.Fatal("DirEntry not native")
|
|
}
|
|
if ordered && entry.Name() != fmt.Sprintf("test%d.txt", i) {
|
|
t.Fatalf("expected %s, got %s", fmt.Sprintf("test%d.txt", i), entry.Name())
|
|
}
|
|
}
|
|
}
|
|
|
|
dirEntries, err := dir2.(fs.ReadDirFile).ReadDir(-1)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assertDirEntries(dirEntries, false)
|
|
|
|
iofs := NewIOFS(osfs)
|
|
|
|
dirEntries, err = iofs.ReadDir("dir1/dir2")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
assertDirEntries(dirEntries, true)
|
|
|
|
fileCount := 0
|
|
err = fs.WalkDir(iofs, "", func(path string, d fs.DirEntry, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if !d.IsDir() {
|
|
fileCount++
|
|
}
|
|
|
|
if _, ok := d.(common.FileInfoDirEntry); ok {
|
|
t.Fatal("DirEntry not native")
|
|
}
|
|
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if fileCount != numFiles {
|
|
t.Fatalf("expected %d, got %d", numFiles, fileCount)
|
|
}
|
|
}
|
|
|
|
func TestFromIOFS(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
fsys := fstest.MapFS{
|
|
"test.txt": {
|
|
Data: []byte("File in root"),
|
|
Mode: fs.ModePerm,
|
|
ModTime: time.Now(),
|
|
},
|
|
"dir1": {
|
|
Mode: fs.ModeDir | fs.ModePerm,
|
|
ModTime: time.Now(),
|
|
},
|
|
"dir1/dir2": {
|
|
Mode: fs.ModeDir | fs.ModePerm,
|
|
ModTime: time.Now(),
|
|
},
|
|
"dir1/dir2/hello.txt": {
|
|
Data: []byte("Hello world"),
|
|
Mode: fs.ModePerm,
|
|
ModTime: time.Now(),
|
|
},
|
|
}
|
|
|
|
fromIOFS := FromIOFS{fsys}
|
|
|
|
t.Run("Create", func(t *testing.T) {
|
|
_, err := fromIOFS.Create("test")
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("Mkdir", func(t *testing.T) {
|
|
err := fromIOFS.Mkdir("test", 0)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("MkdirAll", func(t *testing.T) {
|
|
err := fromIOFS.Mkdir("test", 0)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("Open", func(t *testing.T) {
|
|
t.Run("non existing file", func(t *testing.T) {
|
|
_, err := fromIOFS.Open("nonexisting")
|
|
if !errors.Is(err, fs.ErrNotExist) {
|
|
t.Errorf("Expected error to be fs.ErrNotExist, got %[1]T (%[1]v)", err)
|
|
}
|
|
})
|
|
|
|
t.Run("directory", func(t *testing.T) {
|
|
dirFile, err := fromIOFS.Open("dir1")
|
|
if err != nil {
|
|
t.Errorf("dir1 open failed: %v", err)
|
|
return
|
|
}
|
|
|
|
defer dirFile.Close()
|
|
|
|
dirStat, err := dirFile.Stat()
|
|
if err != nil {
|
|
t.Errorf("dir1 stat failed: %v", err)
|
|
return
|
|
}
|
|
|
|
if !dirStat.IsDir() {
|
|
t.Errorf("dir1 stat told that it is not a directory")
|
|
return
|
|
}
|
|
})
|
|
|
|
t.Run("simple file", func(t *testing.T) {
|
|
file, err := fromIOFS.Open("test.txt")
|
|
if err != nil {
|
|
t.Errorf("test.txt open failed: %v", err)
|
|
return
|
|
}
|
|
|
|
defer file.Close()
|
|
|
|
fileStat, err := file.Stat()
|
|
if err != nil {
|
|
t.Errorf("test.txt stat failed: %v", err)
|
|
return
|
|
}
|
|
|
|
if fileStat.IsDir() {
|
|
t.Errorf("test.txt stat told that it is a directory")
|
|
return
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("Remove", func(t *testing.T) {
|
|
err := fromIOFS.Remove("test")
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("Rename", func(t *testing.T) {
|
|
err := fromIOFS.Rename("test", "test2")
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("Stat", func(t *testing.T) {
|
|
t.Run("non existing file", func(t *testing.T) {
|
|
_, err := fromIOFS.Stat("nonexisting")
|
|
if !errors.Is(err, fs.ErrNotExist) {
|
|
t.Errorf("Expected error to be fs.ErrNotExist, got %[1]T (%[1]v)", err)
|
|
}
|
|
})
|
|
|
|
t.Run("directory", func(t *testing.T) {
|
|
stat, err := fromIOFS.Stat("dir1/dir2")
|
|
if err != nil {
|
|
t.Errorf("dir1/dir2 stat failed: %v", err)
|
|
return
|
|
}
|
|
|
|
if !stat.IsDir() {
|
|
t.Errorf("dir1/dir2 stat told that it is not a directory")
|
|
return
|
|
}
|
|
})
|
|
|
|
t.Run("file", func(t *testing.T) {
|
|
stat, err := fromIOFS.Stat("dir1/dir2/hello.txt")
|
|
if err != nil {
|
|
t.Errorf("dir1/dir2 stat failed: %v", err)
|
|
return
|
|
}
|
|
|
|
if stat.IsDir() {
|
|
t.Errorf("dir1/dir2/hello.txt stat told that it is a directory")
|
|
return
|
|
}
|
|
|
|
if lenFile := len(fsys["dir1/dir2/hello.txt"].Data); int64(lenFile) != stat.Size() {
|
|
t.Errorf("dir1/dir2/hello.txt stat told invalid size: expected %d, got %d", lenFile, stat.Size())
|
|
return
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("Chmod", func(t *testing.T) {
|
|
err := fromIOFS.Chmod("test", os.ModePerm)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("Chown", func(t *testing.T) {
|
|
err := fromIOFS.Chown("test", 0, 0)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("Chtimes", func(t *testing.T) {
|
|
err := fromIOFS.Chtimes("test", time.Now(), time.Now())
|
|
assertPermissionError(t, err)
|
|
})
|
|
}
|
|
|
|
func TestFromIOFS_File(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
fsys := fstest.MapFS{
|
|
"test.txt": {
|
|
Data: []byte("File in root"),
|
|
Mode: fs.ModePerm,
|
|
ModTime: time.Now(),
|
|
},
|
|
"dir1": {
|
|
Mode: fs.ModeDir | fs.ModePerm,
|
|
ModTime: time.Now(),
|
|
},
|
|
"dir2": {
|
|
Mode: fs.ModeDir | fs.ModePerm,
|
|
ModTime: time.Now(),
|
|
},
|
|
}
|
|
|
|
fromIOFS := FromIOFS{fsys}
|
|
|
|
file, err := fromIOFS.Open("test.txt")
|
|
if err != nil {
|
|
t.Errorf("test.txt open failed: %v", err)
|
|
return
|
|
}
|
|
|
|
defer file.Close()
|
|
|
|
fileStat, err := file.Stat()
|
|
if err != nil {
|
|
t.Errorf("test.txt stat failed: %v", err)
|
|
return
|
|
}
|
|
|
|
if fileStat.IsDir() {
|
|
t.Errorf("test.txt stat told that it is a directory")
|
|
return
|
|
}
|
|
|
|
t.Run("ReadAt", func(t *testing.T) {
|
|
// MapFS files implements io.ReaderAt
|
|
b := make([]byte, 2)
|
|
_, err := file.ReadAt(b, 2)
|
|
if err != nil {
|
|
t.Errorf("ReadAt failed: %v", err)
|
|
return
|
|
}
|
|
|
|
if expectedData := fsys["test.txt"].Data[2:4]; !bytes.Equal(b, expectedData) {
|
|
t.Errorf("Unexpected content read: %s, expected %s", b, expectedData)
|
|
}
|
|
})
|
|
|
|
t.Run("Seek", func(t *testing.T) {
|
|
n, err := file.Seek(2, io.SeekStart)
|
|
if err != nil {
|
|
t.Errorf("Seek failed: %v", err)
|
|
return
|
|
}
|
|
|
|
if n != 2 {
|
|
t.Errorf("Seek returned unexpected value: %d, expected 2", n)
|
|
}
|
|
})
|
|
|
|
t.Run("Write", func(t *testing.T) {
|
|
_, err := file.Write(nil)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("WriteAt", func(t *testing.T) {
|
|
_, err := file.WriteAt(nil, 0)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("Name", func(t *testing.T) {
|
|
if name := file.Name(); name != "test.txt" {
|
|
t.Errorf("expected file.Name() == test.txt, got %s", name)
|
|
}
|
|
})
|
|
|
|
t.Run("Readdir", func(t *testing.T) {
|
|
t.Run("not directory", func(t *testing.T) {
|
|
_, err := file.Readdir(-1)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("root directory", func(t *testing.T) {
|
|
root, err := fromIOFS.Open(".")
|
|
if err != nil {
|
|
t.Errorf("root open failed: %v", err)
|
|
return
|
|
}
|
|
|
|
defer root.Close()
|
|
|
|
items, err := root.Readdir(-1)
|
|
if err != nil {
|
|
t.Errorf("Readdir error: %v", err)
|
|
return
|
|
}
|
|
|
|
expectedItems := []struct {
|
|
Name string
|
|
IsDir bool
|
|
Size int64
|
|
}{
|
|
{Name: "dir1", IsDir: true, Size: 0},
|
|
{Name: "dir2", IsDir: true, Size: 0},
|
|
{Name: "test.txt", IsDir: false, Size: int64(len(fsys["test.txt"].Data))},
|
|
}
|
|
|
|
if len(expectedItems) != len(items) {
|
|
t.Errorf("Items count mismatch, expected %d, got %d", len(expectedItems), len(items))
|
|
return
|
|
}
|
|
|
|
for i, item := range items {
|
|
if item.Name() != expectedItems[i].Name {
|
|
t.Errorf("Item %d: expected name %s, got %s", i, expectedItems[i].Name, item.Name())
|
|
}
|
|
|
|
if item.IsDir() != expectedItems[i].IsDir {
|
|
t.Errorf("Item %d: expected IsDir %t, got %t", i, expectedItems[i].IsDir, item.IsDir())
|
|
}
|
|
|
|
if item.Size() != expectedItems[i].Size {
|
|
t.Errorf("Item %d: expected IsDir %d, got %d", i, expectedItems[i].Size, item.Size())
|
|
}
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("Readdirnames", func(t *testing.T) {
|
|
t.Run("not directory", func(t *testing.T) {
|
|
_, err := file.Readdirnames(-1)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("root directory", func(t *testing.T) {
|
|
root, err := fromIOFS.Open(".")
|
|
if err != nil {
|
|
t.Errorf("root open failed: %v", err)
|
|
return
|
|
}
|
|
|
|
defer root.Close()
|
|
|
|
items, err := root.Readdirnames(-1)
|
|
if err != nil {
|
|
t.Errorf("Readdirnames error: %v", err)
|
|
return
|
|
}
|
|
|
|
expectedItems := []string{"dir1", "dir2", "test.txt"}
|
|
|
|
if len(expectedItems) != len(items) {
|
|
t.Errorf("Items count mismatch, expected %d, got %d", len(expectedItems), len(items))
|
|
return
|
|
}
|
|
|
|
for i, item := range items {
|
|
if item != expectedItems[i] {
|
|
t.Errorf("Item %d: expected name %s, got %s", i, expectedItems[i], item)
|
|
}
|
|
}
|
|
})
|
|
})
|
|
|
|
t.Run("Truncate", func(t *testing.T) {
|
|
err := file.Truncate(1)
|
|
assertPermissionError(t, err)
|
|
})
|
|
|
|
t.Run("WriteString", func(t *testing.T) {
|
|
_, err := file.WriteString("a")
|
|
assertPermissionError(t, err)
|
|
})
|
|
}
|
|
|
|
func assertPermissionError(t *testing.T, err error) {
|
|
t.Helper()
|
|
|
|
var perr *fs.PathError
|
|
if !errors.As(err, &perr) {
|
|
t.Errorf("Expected *fs.PathError, got %[1]T (%[1]v)", err)
|
|
return
|
|
}
|
|
|
|
if perr.Err != fs.ErrPermission {
|
|
t.Errorf("Expected (*fs.PathError).Err == fs.ErrPermisson, got %[1]T (%[1]v)", err)
|
|
}
|
|
}
|
|
|
|
func BenchmarkWalkDir(b *testing.B) {
|
|
osfs := NewBasePathFs(NewOsFs(), b.TempDir())
|
|
|
|
createSomeFiles := func(dirname string) {
|
|
for i := 0; i < 10; i++ {
|
|
f, err := osfs.Create(filepath.Join(dirname, fmt.Sprintf("test%d.txt", i)))
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
f.Close()
|
|
}
|
|
}
|
|
|
|
depth := 10
|
|
for level := depth; level > 0; level-- {
|
|
dirname := ""
|
|
for i := 0; i < level; i++ {
|
|
dirname = filepath.Join(dirname, fmt.Sprintf("dir%d", i))
|
|
err := osfs.MkdirAll(dirname, 0o755)
|
|
if err != nil && !os.IsExist(err) {
|
|
b.Fatal(err)
|
|
}
|
|
}
|
|
createSomeFiles(dirname)
|
|
}
|
|
|
|
iofs := NewIOFS(osfs)
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
err := fs.WalkDir(iofs, "", func(path string, d fs.DirEntry, err error) error {
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
}
|
|
}
|