//go:build linux && rootrunner

package host

import (
	"github.com/carlosframework/platform/internal/hostbox"
	"os"
	"path/filepath"
	"testing"
)

func TestPlan14RebootStopDescriptorIdentity(t *testing.T) {
	root, err := os.MkdirTemp("/var/lib", "carlos-p3-stop-device-")
	if err != nil {
		t.Fatal(err)
	}
	defer os.RemoveAll(root)
	path := filepath.Join(root, "state")
	if err := os.Mkdir(path, 0700); err != nil {
		t.Fatal(err)
	}
	persistent := testPersistentInventory(t, path)
	oldDevice := persistent.Device + 1
	persistent.Boot = "previous-boot"
	persistent.Device = oldDevice
	persistent.Mount++
	entry := hostbox.StopInventoryEntry{Kind: "path", ManagedRoot: "data", RelativePath: "state", Materialization: "materialized", Device: oldDevice, Inode: persistent.Inode, Type: persistent.Mode & 0170000, Identity: persistent}
	in := StopInventory{Complete: true, Entries: []hostbox.StopInventoryEntry{entry}}
	k := LinuxStopKernel{ManagedRoots: map[string]string{"data": root}}
	files, err := k.rebootStopFiles(t.Context(), in, []hostbox.StopFileIdentity{{Device: oldDevice, Inode: 71}})
	now := testPersistentInventory(t, path)
	if err != nil || len(files) != 1 || files[0].Device != now.Device || files[0].Inode != 71 {
		t.Fatal("old deny set not rebased", files, err)
	}
	if _, err = k.rebootStopFiles(t.Context(), in, []hostbox.StopFileIdentity{{Device: oldDevice + 1, Inode: 71}}); err == nil {
		t.Fatal("unmapped filesystem accepted")
	}
	in.Entries[0].Identity.Filesystem = "foreign"
	if _, err = k.rebootStopFiles(t.Context(), in, []hostbox.StopFileIdentity{{Device: oldDevice, Inode: 71}}); err == nil {
		t.Fatal("foreign filesystem accepted")
	}
}