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package fstestutil
import (
"context"
"os"
"syscall"
"github.com/anacrolix/fuse"
"github.com/anacrolix/fuse/fs"
)
// SimpleFS is a trivial FS that just implements the Root method.
type SimpleFS struct {
Node fs.Node
}
var _ fs.FS = SimpleFS{}
func (f SimpleFS) Root() (fs.Node, error) {
return f.Node, nil
}
// File can be embedded in a struct to make it look like a file.
type File struct{}
func (f File) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = 0o666
return nil
}
// Dir can be embedded in a struct to make it look like a directory.
type Dir struct{}
func (f Dir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | 0o777
return nil
}
// ChildMap is a directory with child nodes looked up from a map.
type ChildMap map[string]fs.Node
var _ fs.Node = (*ChildMap)(nil)
var _ fs.NodeStringLookuper = (*ChildMap)(nil)
func (f *ChildMap) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | 0o777
return nil
}
func (f *ChildMap) Lookup(ctx context.Context, name string) (fs.Node, error) {
child, ok := (*f)[name]
if !ok {
return nil, syscall.ENOENT
}
return child, nil
}
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