Tests: Add automated testing framework with coverage support

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

tests/framework/verifier.py

@@ -0,0 +1,25 @@
+import subprocess
+import uuid
+from pathlib import Path
+
+
+def verify_object(obj_path: Path) -> tuple[bool, str]:
+    """Run bpftool prog load -d to verify a BPF object file against the kernel verifier.
+
+    Pins the program temporarily at /sys/fs/bpf/bpf_prog_test_<uuid>, then removes it.
+    Returns (success, combined_output). Requires sudo / root.
+    """
+    pin_path = f"/sys/fs/bpf/bpf_prog_test_{uuid.uuid4().hex[:8]}"
+    try:
+        result = subprocess.run(
+            ["sudo", "bpftool", "prog", "load", "-d", str(obj_path), pin_path],
+            capture_output=True,
+            text=True,
+            timeout=30,
+        )
+        output = result.stdout + result.stderr
+        return result.returncode == 0, output
+    except subprocess.TimeoutExpired:
+        return False, "bpftool timed out after 30s"
+    finally:
+        subprocess.run(["sudo", "rm", "-f", pin_path], check=False, capture_output=True)