Add ability to enroll RH-style systems (DNF5/DNF/RPM)

tests/test_fsutil.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+import hashlib
+import os
+from pathlib import Path
+
+from enroll.fsutil import file_md5, stat_triplet
+
+
+def test_file_md5_matches_hashlib(tmp_path: Path):
+    p = tmp_path / "x"
+    p.write_bytes(b"hello world")
+    expected = hashlib.md5(b"hello world").hexdigest()  # nosec
+    assert file_md5(str(p)) == expected
+
+
+def test_stat_triplet_reports_mode(tmp_path: Path):
+    p = tmp_path / "x"
+    p.write_text("x", encoding="utf-8")
+    os.chmod(p, 0o600)
+
+    owner, group, mode = stat_triplet(str(p))
+    assert mode == "0600"
+    assert owner  # non-empty string
+    assert group  # non-empty string