attrsum/attrsum_test.go
2025-05-08 13:26:05 -07:00

113 lines
2.7 KiB
Go

package main
import (
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/pkg/xattr"
)
// skipIfNoXattr skips tests when the underlying FS lacks xattr support.
func skipIfNoXattr(t *testing.T, path string) {
if err := xattr.Set(path, "user.test", []byte("1")); err != nil {
t.Skipf("skipping: xattr not supported: %v", err)
} else {
_ = xattr.Remove(path, "user.test")
}
}
func writeFile(t *testing.T, root, name, content string) string {
t.Helper()
path := filepath.Join(root, name)
if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
t.Fatalf("mkdir: %v", err)
}
if err := os.WriteFile(path, []byte(content), 0o644); err != nil {
t.Fatalf("write: %v", err)
}
return path
}
func TestSumAddAndUpdate(t *testing.T) {
dir := t.TempDir()
skipIfNoXattr(t, dir)
f := writeFile(t, dir, "a.txt", "hello")
// Add: write missing checksum.
if err := ProcessSumAdd(dir); err != nil {
t.Fatalf("add: %v", err)
}
// Attributes should exist.
if _, err := xattr.Get(f, checksumKey); err != nil {
t.Fatalf("checksum missing: %v", err)
}
tsb, err := xattr.Get(f, sumTimeKey)
if err != nil {
t.Fatalf("sumtime missing: %v", err)
}
origTime, _ := time.Parse(time.RFC3339Nano, string(tsb))
// Modify file and bump mtime.
if err := os.WriteFile(f, []byte(strings.ToUpper("hello")), 0o644); err != nil {
t.Fatalf("rewrite: %v", err)
}
now := time.Now().Add(2 * time.Second)
os.Chtimes(f, now, now)
// Update should refresh checksum and time.
if err := ProcessSumUpdate(dir); err != nil {
t.Fatalf("update: %v", err)
}
tsb2, _ := xattr.Get(f, sumTimeKey)
newTime, _ := time.Parse(time.RFC3339Nano, string(tsb2))
if !newTime.After(origTime) {
t.Fatalf("sumtime not updated")
}
}
func TestProcessCheckIntegration(t *testing.T) {
dir := t.TempDir()
skipIfNoXattr(t, dir)
writeFile(t, dir, "b.txt", "world")
if err := ProcessSumAdd(dir); err != nil {
t.Fatalf("add: %v", err)
}
if err := ProcessCheck(dir, false); err != nil {
t.Fatalf("check ok: %v", err)
}
// Corrupt file contents should produce an error.
f := filepath.Join(dir, "b.txt")
os.WriteFile(f, []byte("corrupt"), 0o644)
if err := ProcessCheck(dir, false); err == nil {
t.Fatalf("expected mismatch error, got nil")
}
}
func TestPermissionErrors(t *testing.T) {
dir := t.TempDir()
skipIfNoXattr(t, dir)
secret := writeFile(t, dir, "secret.txt", "data")
os.Chmod(secret, 0o000)
defer os.Chmod(secret, 0o644)
if err := ProcessSumAdd(dir); err == nil {
t.Fatalf("expected permission error, got nil")
}
if err := ProcessSumUpdate(dir); err == nil {
t.Fatalf("expected permission error on update, got nil")
}
if err := ProcessCheck(dir, false); err == nil {
t.Fatalf("expected permission error on check, got nil")
}
}