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// Copyright 2023 the Go-FUSE Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package fs
import (
"context"
"fmt"
"syscall"
"testing"
"github.com/hanwen/go-fuse/v2/fuse"
)
type dirStreamErrorNode struct {
Inode
}
var _ = (NodeReaddirer)((*dirStreamErrorNode)(nil))
func (n *dirStreamErrorNode) Readdir(ctx context.Context) (DirStream, syscall.Errno) {
return &errDirStream{}, 0
}
type errDirStream struct {
num int
}
func (ds *errDirStream) HasNext() bool {
return ds.num < 2
}
func (ds *errDirStream) Next() (fuse.DirEntry, syscall.Errno) {
ds.num++
if ds.num == 1 {
return fuse.DirEntry{
Mode: fuse.S_IFREG,
Name: "first",
Ino: 2,
}, 0
}
if ds.num == 2 {
return fuse.DirEntry{
Mode: fuse.S_IFREG,
Name: "last",
Ino: 3,
}, syscall.EKEYEXPIRED
}
panic("boom")
}
func (ds *errDirStream) Close() {
}
func TestDirStreamError(t *testing.T) {
for _, disableReaddirplus := range []bool{false, true} {
t.Run(fmt.Sprintf("disableReaddirplus=%v", disableReaddirplus),
func(t *testing.T) {
root := &dirStreamErrorNode{}
opts := Options{}
opts.DisableReadDirPlus = disableReaddirplus
mnt, _ := testMount(t, root, &opts)
ds, errno := NewLoopbackDirStream(mnt)
if errno != 0 {
t.Fatalf("NewLoopbackDirStream: %v", errno)
}
defer ds.Close()
if e, errno := ds.Next(); errno != 0 {
t.Errorf("ds.Next: %v", errno)
} else if e.Name != "first" {
t.Errorf("got %q want 'first'", e.Name)
}
if _, errno := ds.Next(); errno != syscall.EKEYEXPIRED {
t.Errorf("got errno %v, want EKEYEXPIRED", errno)
}
})
}
}
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