}

// fakeNs is a mock struct for testing
type fakeNs struct {
	closed *atomic.Bool
	fd     uintptr
	inode  uint64
}

func newFakeNs(fd uintptr) *fakeNs {
	// the fake inode is the fd! magic.
	return &fakeNs{closed: &atomic.Bool{}, fd: fd, inode: uint64(fd)}
}

func newFakeNsInode(fd uintptr, inode uint64) *fakeNs {
	return &fakeNs{closed: &atomic.Bool{}, fd: fd, inode: inode}
}

// Fd returns the file descriptor

	}
	return podUIDNetns, nil
}

type PodNetnsEntry struct {
	uid     types.UID
	netns   fs.File
	netnsfd uintptr
	inode   uint64
}

func (p *PodNetnsProcFinder) processEntry(proc fs.FS, netnsObserved sets.Set[uint64], filter sets.Set[types.UID], entry fs.DirEntry) (*PodNetnsEntry, error) {
	if !isProcess(entry) {
		return nil, nil
	}

// See the License for the specific language governing permissions and
// limitations under the License.

package nodeagent

import (
	"fmt"
	"io/fs"
)

func GetInode(fi fs.FileInfo) (uint64, error) {
	return 0, fmt.Errorf("unable to get inode os not supported")

	if err != nil {
		return "", fmt.Errorf("read procfs: %v", err)
	}
	procs, err := fs.AllProcs()
	if err != nil {
		return "", fmt.Errorf("read procs: %v", err)
	}
	oldest := uint64(math.MaxUint64)
	best := ""
	// We will iterate over all processes. Our goal is to find a process with the same network ID as we found above.

)

type NetnsWrapper struct {
	innerNetns netns.NetNS
	inode      uint64
}

func (n *NetnsWrapper) Inode() uint64 {
	return n.inode
}

func (n *NetnsWrapper) Close() error {
	return n.innerNetns.Close()
}

func (n *NetnsWrapper) Fd() uintptr {
	return n.innerNetns.Fd()
}

func inodeForFd(n NetnsFd) (uint64, error) {
	stats := &unix.Stat_t{}
	err := unix.Fstat(int(n.Fd()), stats)

// See the License for the specific language governing permissions and
// limitations under the License.

package nodeagent

import (
	"fmt"
	"io/fs"
	"syscall"
)

func GetInode(fi fs.FileInfo) (uint64, error) {
	if stat, ok := fi.Sys().(*syscall.Stat_t); ok {
		return stat.Ino, nil
	}
	return 0, fmt.Errorf("unable to get inode")

// See the License for the specific language governing permissions and
// limitations under the License.

package nodeagent

import "errors"

func inodeForFd(n NetnsFd) (uint64, error) {
	return 0, errors.New("not implemented")
}

func NetnsSet(n NetnsFd) error {
	return errors.New("not implemented")
}

func OpenNetns(nspath string) (NetnsCloser, error) {

package nodeagent

import "io"

type NetnsFd interface {
	Fd() uintptr
}

type Netns interface {
	NetnsFd
	Inode() uint64
}
type NetnsCloser interface {
	io.Closer
	Netns
}

type NetnsWithFd struct {
	netns io.Closer
	fd    uintptr
	inode uint64
}

func (n *NetnsWithFd) Close() error {
	if n.netns == nil {
		return nil
	}

	ret := n.netns.Close()

	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

func openNsTestOverride(s string) (NetnsCloser, error) {
	return newFakeNs(inc()), nil
}

func openNsTestOverrideWithInodes(inodes ...uint64) func(s string) (NetnsCloser, error) {
	i := 0
	return func(s string) (NetnsCloser, error) {
		inode := inodes[i]
		i++
		return newFakeNsInode(inc(), inode), nil
	}
}

func TestUpsertPodCache(t *testing.T) {