This commit is contained in:
royalcat 2024-03-28 16:09:42 +03:00
parent 7b1863109c
commit ef751771d2
107 changed files with 9435 additions and 850 deletions
src/host/vfs

View file

@ -1,235 +1,237 @@
package vfs
package vfs_test
import (
"archive/zip"
"bytes"
"context"
"io/fs"
"os"
"path"
"testing"
"git.kmsign.ru/royalcat/tstor/src/host/vfs"
"github.com/stretchr/testify/require"
)
type Dummy struct {
name string
}
func createZip(files map[string][]byte) ([]byte, error) {
buf := bytes.NewBuffer(nil)
zw := zip.NewWriter(buf)
// Stat implements File.
func (d *Dummy) Stat() (fs.FileInfo, error) {
return newFileInfo(d.name, 0), nil
}
for name, data := range files {
fw, err := zw.Create(name)
if err != nil {
return nil, err
}
func (d *Dummy) Size() int64 {
return 0
}
func (d *Dummy) IsDir() bool {
return false
}
func (d *Dummy) Close(ctx context.Context) error {
return nil
}
func (d *Dummy) Read(ctx context.Context, p []byte) (n int, err error) {
return 0, nil
}
func (d *Dummy) ReadAt(ctx context.Context, p []byte, off int64) (n int, err error) {
return 0, nil
}
var _ File = &Dummy{}
type DummyFs struct {
name string
}
// Stat implements Filesystem.
func (*DummyFs) Stat(ctx context.Context, filename string) (fs.FileInfo, error) {
return newFileInfo(path.Base(filename), 0), nil // TODO
}
func (d *DummyFs) Open(ctx context.Context, filename string) (File, error) {
return &Dummy{}, nil
}
func (d *DummyFs) Unlink(ctx context.Context, filename string) error {
return ErrNotImplemented
}
func (d *DummyFs) ReadDir(ctx context.Context, path string) ([]fs.DirEntry, error) {
if path == "/dir/here" {
return []fs.DirEntry{
newFileInfo("file1.txt", 0),
newFileInfo("file2.txt", 0),
}, nil
_, err = fw.Write(data)
if err != nil {
return nil, err
}
}
err := zw.Flush()
if err != nil {
return nil, err
}
return nil, os.ErrNotExist
err = zw.Close()
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// Info implements Filesystem.
func (d *DummyFs) Info() (fs.FileInfo, error) {
return newDirInfo(d.name), nil
}
// IsDir implements Filesystem.
func (d *DummyFs) IsDir() bool {
return true
}
// Name implements Filesystem.
func (d *DummyFs) Name() string {
return d.name
}
// Type implements Filesystem.
func (d *DummyFs) Type() fs.FileMode {
return fs.ModeDir
}
var _ Filesystem = &DummyFs{}
func TestResolver(t *testing.T) {
func TestResolverFs(t *testing.T) {
t.Parallel()
resolver := newResolver(ArchiveFactories)
ctx := context.Background()
t.Run("nested fs", func(t *testing.T) {
t.Parallel()
require := require.New(t)
fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "/f1.rar/f2.rar", func(_ context.Context, path string) (File, error) {
require.Equal("/f1.rar", path)
return &Dummy{}, nil
})
require.NoError(err)
require.Equal("/f1.rar", fsPath)
require.Equal("/f2.rar", nestedFsPath)
require.IsType(&ArchiveFS{}, nestedFs)
testZip, err := createZip(map[string][]byte{
"123.txt": []byte("123"),
"files/321.txt": []byte("321"),
})
t.Run("root", func(t *testing.T) {
require.NoError(t, err)
fs := vfs.NewResolveFS(vfs.NewMemoryFS("/", map[string]*vfs.MemoryFile{
"/data/123.zip": vfs.NewMemoryFile("123.zip", testZip),
}), vfs.ArchiveFactories)
t.Run("dir", func(t *testing.T) {
t.Parallel()
require := require.New(t)
fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "/", func(_ context.Context, path string) (File, error) {
require.Equal("/", path)
return &Dummy{}, nil
})
require.NoError(err)
require.Nil(nestedFs)
require.Equal("/", fsPath)
require.Equal("", nestedFsPath)
})
dirs := []string{
"/data", "/", "/.",
"/data/123.zip", "/data/123.zip/files", "/data/123.zip/files/.",
}
t.Run("root dirty", func(t *testing.T) {
t.Parallel()
require := require.New(t)
for _, dir := range dirs {
file, err := fs.Open(ctx, dir)
require.NoError(err)
require.True(file.IsDir())
fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "//.//", func(_ context.Context, path string) (File, error) {
require.Equal("/", path)
return &Dummy{}, nil
})
require.NoError(err)
require.Nil(nestedFs)
require.Equal("/", fsPath)
require.Equal("", nestedFsPath)
})
t.Run("fs dirty", func(t *testing.T) {
t.Parallel()
require := require.New(t)
stat, err := file.Info()
require.NoError(err)
require.True(stat.IsDir())
}
fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "//.//f1.rar", func(_ context.Context, path string) (File, error) {
require.Equal("/f1.rar", path)
return &Dummy{}, nil
})
entries, err := fs.ReadDir(ctx, "/data")
require.NoError(err)
require.Equal("/f1.rar", fsPath)
require.Equal("/", nestedFsPath)
require.IsType(&ArchiveFS{}, nestedFs)
})
t.Run("inside folder", func(t *testing.T) {
t.Parallel()
require := require.New(t)
require.Len(entries, 1)
fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "//test1/f1.rar", func(_ context.Context, path string) (File, error) {
require.Equal("/test1/f1.rar", path)
return &Dummy{}, nil
})
for _, e := range entries {
switch e.Name() {
case "123.zip":
require.True(e.IsDir())
require.IsType(&vfs.ArchiveFS{}, e)
}
}
entries, err = fs.ReadDir(ctx, "/data/123.zip/files")
require.NoError(err)
require.IsType(&ArchiveFS{}, nestedFs)
require.Equal("/test1/f1.rar", fsPath)
require.Equal("/", nestedFsPath)
require.Len(entries, 1)
entries, err = fs.ReadDir(ctx, "/data/123.zip")
require.NoError(err)
require.Len(entries, 3)
for _, e := range entries {
switch e.Name() {
case "files":
require.True(e.IsDir())
case "123.txt":
require.False(e.IsDir())
}
}
})
}
func TestArchiveFactories(t *testing.T) {
t.Parallel()
// func TestResolver(t *testing.T) {
// t.Parallel()
// resolver := newResolver(ArchiveFactories)
// ctx := context.Background()
ctx := context.Background()
// t.Run("nested fs", func(t *testing.T) {
// t.Parallel()
// require := require.New(t)
require := require.New(t)
// fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "/f1.rar/f2.rar", func(_ context.Context, path string) (File, error) {
// require.Equal("/f1.rar", path)
// return &vfs.Dummy{}, nil
// })
// require.NoError(err)
// require.Equal("/f1.rar", fsPath)
// require.Equal("/f2.rar", nestedFsPath)
// require.IsType(&vfs.ArchiveFS{}, nestedFs)
// })
// t.Run("root", func(t *testing.T) {
// t.Parallel()
// require := require.New(t)
require.Contains(ArchiveFactories, ".zip")
require.Contains(ArchiveFactories, ".rar")
require.Contains(ArchiveFactories, ".7z")
// fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "/", func(_ context.Context, path string) (File, error) {
// require.Equal("/", path)
// return &Dummy{}, nil
// })
// require.NoError(err)
// require.Nil(nestedFs)
// require.Equal("/", fsPath)
// require.Equal("", nestedFsPath)
// })
fs, err := ArchiveFactories[".zip"](ctx, &Dummy{})
require.NoError(err)
require.NotNil(fs)
// t.Run("root dirty", func(t *testing.T) {
// t.Parallel()
// require := require.New(t)
fs, err = ArchiveFactories[".rar"](ctx, &Dummy{})
require.NoError(err)
require.NotNil(fs)
// fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "//.//", func(_ context.Context, path string) (File, error) {
// require.Equal("/", path)
// return &Dummy{}, nil
// })
// require.NoError(err)
// require.Nil(nestedFs)
// require.Equal("/", fsPath)
// require.Equal("", nestedFsPath)
// })
fs, err = ArchiveFactories[".7z"](ctx, &Dummy{})
require.NoError(err)
require.NotNil(fs)
}
// t.Run("root dirty 2", func(t *testing.T) {
// t.Parallel()
// require := require.New(t)
func TestFiles(t *testing.T) {
t.Parallel()
require := require.New(t)
// fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "/.", func(_ context.Context, path string) (File, error) {
// require.Equal("/", path)
// return &Dummy{}, nil
// })
// require.NoError(err)
// require.Nil(nestedFs)
// require.Equal("/", fsPath)
// require.Equal("", nestedFsPath)
// })
files := map[string]*Dummy{
"/test/file.txt": &Dummy{},
"/test/file2.txt": &Dummy{},
"/test1/file.txt": &Dummy{},
}
{
file, err := getFile(files, "/test")
require.NoError(err)
require.Equal(&dir{name: "test"}, file)
}
{
file, err := getFile(files, "/test/file.txt")
require.NoError(err)
require.Equal(&Dummy{}, file)
}
{
out, err := listDirFromFiles(files, "/test")
require.NoError(err)
require.Len(out, 2)
require.Equal("file.txt", out[0].Name())
require.Equal("file2.txt", out[1].Name())
require.False(out[0].IsDir())
require.False(out[1].IsDir())
}
{
out, err := listDirFromFiles(files, "/test1")
require.NoError(err)
require.Len(out, 1)
require.Equal("file.txt", out[0].Name())
require.False(out[0].IsDir())
}
{
out, err := listDirFromFiles(files, "/")
require.NoError(err)
require.Len(out, 2)
require.Equal("test", out[0].Name())
require.Equal("test1", out[1].Name())
require.True(out[0].IsDir())
require.True(out[1].IsDir())
}
}
// t.Run("fs dirty", func(t *testing.T) {
// t.Parallel()
// require := require.New(t)
// fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "//.//f1.rar", func(_ context.Context, path string) (File, error) {
// require.Equal("/f1.rar", path)
// return &Dummy{}, nil
// })
// require.NoError(err)
// require.Equal("/f1.rar", fsPath)
// require.Equal("/", nestedFsPath)
// require.IsType(&ArchiveFS{}, nestedFs)
// })
// t.Run("inside folder", func(t *testing.T) {
// t.Parallel()
// require := require.New(t)
// fsPath, nestedFs, nestedFsPath, err := resolver.resolvePath(ctx, "//test1/f1.rar", func(_ context.Context, path string) (File, error) {
// require.Equal("/test1/f1.rar", path)
// return &Dummy{}, nil
// })
// require.NoError(err)
// require.IsType(&ArchiveFS{}, nestedFs)
// require.Equal("/test1/f1.rar", fsPath)
// require.Equal("/", nestedFsPath)
// })
// }
// func TestFiles(t *testing.T) {
// t.Parallel()
// require := require.New(t)
// files := map[string]*vfs.DummyFile{
// "/test/file.txt": &vfs.DummyFile{},
// "/test/file2.txt": &vfs.DummyFile{},
// "/test1/file.txt": &vfs.DummyFile{},
// }
// {
// file, err := getFile(files, "/test")
// require.NoError(err)
// require.Equal(&dir{name: "test"}, file)
// }
// {
// file, err := getFile(files, "/test/file.txt")
// require.NoError(err)
// require.Equal(&Dummy{}, file)
// }
// {
// out, err := listDirFromFiles(files, "/test")
// require.NoError(err)
// require.Len(out, 2)
// require.Equal("file.txt", out[0].Name())
// require.Equal("file2.txt", out[1].Name())
// require.False(out[0].IsDir())
// require.False(out[1].IsDir())
// }
// {
// out, err := listDirFromFiles(files, "/test1")
// require.NoError(err)
// require.Len(out, 1)
// require.Equal("file.txt", out[0].Name())
// require.False(out[0].IsDir())
// }
// {
// out, err := listDirFromFiles(files, "/")
// require.NoError(err)
// require.Len(out, 2)
// require.Equal("test", out[0].Name())
// require.Equal("test1", out[1].Name())
// require.True(out[0].IsDir())
// require.True(out[1].IsDir())
// }
// }