databricks-cli/libs/fakefs/fakefs.go

88 lines
1.4 KiB
Go

package fakefs
import (
"fmt"
"io/fs"
"time"
)
var ErrNotImplemented = fmt.Errorf("not implemented")
// DirEntry is a fake implementation of [fs.DirEntry].
type DirEntry struct {
fs.FileInfo
}
func (entry DirEntry) Type() fs.FileMode {
typ := fs.ModePerm
if entry.IsDir() {
typ |= fs.ModeDir
}
return typ
}
func (entry DirEntry) Info() (fs.FileInfo, error) {
return entry.FileInfo, nil
}
// FileInfo is a fake implementation of [fs.FileInfo].
type FileInfo struct {
FakeName string
FakeSize int64
FakeDir bool
FakeMode fs.FileMode
}
func (info FileInfo) Name() string {
return info.FakeName
}
func (info FileInfo) Size() int64 {
return info.FakeSize
}
func (info FileInfo) Mode() fs.FileMode {
return info.FakeMode
}
func (info FileInfo) ModTime() time.Time {
return time.Now()
}
func (info FileInfo) IsDir() bool {
return info.FakeDir
}
func (info FileInfo) Sys() any {
return nil
}
// File is a fake implementation of [fs.File].
type File struct {
FileInfo fs.FileInfo
}
func (f File) Close() error {
return nil
}
func (f File) Read(p []byte) (n int, err error) {
return 0, ErrNotImplemented
}
func (f File) Stat() (fs.FileInfo, error) {
return f.FileInfo, nil
}
// FS is a fake implementation of [fs.FS].
type FS map[string]fs.File
func (f FS) Open(name string) (fs.File, error) {
e, ok := f[name]
if !ok {
return nil, fs.ErrNotExist
}
return e, nil
}