test(plugins): add duplicate metadata validation

plugins/waf_detector/metadata.json

@@ -1,6 +1,6 @@
 {
   "id": "waf_detector",
-  "name": "WAF Detector",
+  "name": "WAF Detection Scanner",
   "version": "1.0.0",
   "description": "Automatically identify Web Application Firewalls protecting targets.",
   "long_description": "Automatically identify Web Application Firewalls protecting targets.",
@@ -10,7 +10,7 @@
     "email": "dev@secuscan.local"
   },
   "license": "MIT",
-  "icon": "\ud83d\udee0\ufe0f",
+  "icon": "🛠️",
   "engine": {
     "type": "cli",
     "binary": "wafw00f"
@@ -54,5 +54,5 @@
     "python_packages": [],
     "system_packages": []
   },
-  "checksum": "1e3dfcf6d4ba7847e398b9d9a4709dc275092f52a5f405e63d65cea0f8389cc0"
+  "checksum": "60b54af15ff7bad498a02cdbf08ee8611622e117944a3a65301cb3cae1582bb2"
 }

testing/backend/unit/test_plugin_integrity.py

@@ -1,7 +1,10 @@
 import asyncio
 import json
+from collections import defaultdict
 from pathlib import Path
 
+import pytest
+
 from backend.secuscan.plugins import PluginManager
 from backend.secuscan.config import settings
 
@@ -18,3 +21,37 @@ def test_plugins_have_checksums():
     for path in metadata_files:
         data = json.loads(path.read_text(encoding="utf-8"))
         assert data.get("checksum"), f"Missing checksum in {path}"
+
+
+def test_plugin_metadata_ids_and_names_are_unique():
+    metadata_files = list(Path(settings.plugins_dir).glob("*/metadata.json"))
+    assert metadata_files, "Expected plugin metadata files"
+
+    ids = defaultdict(list)
+    names = defaultdict(list)
+
+    for path in metadata_files:
+        data = json.loads(path.read_text(encoding="utf-8"))
+        plugin_id = data.get("id")
+        plugin_name = data.get("name")
+        assert plugin_id, f"Missing plugin id in {path}"
+        assert plugin_name, f"Missing plugin name in {path}"
+
+        ids[plugin_id].append(path.parent.name)
+        names[plugin_name].append(path.parent.name)
+
+    duplicate_ids = {plugin_id: folders for plugin_id, folders in ids.items() if len(folders) > 1}
+    duplicate_names = {plugin_name: folders for plugin_name, folders in names.items() if len(folders) > 1}
+
+    if duplicate_ids or duplicate_names:
+        messages = []
+        if duplicate_ids:
+            messages.append("Duplicate plugin IDs found:")
+            for plugin_id, folders in sorted(duplicate_ids.items()):
+                messages.append(f"  {plugin_id}: {', '.join(sorted(folders))}")
+        if duplicate_names:
+            messages.append("Duplicate plugin display names found:")
+            for plugin_name, folders in sorted(duplicate_names.items()):
+                messages.append(f"  {plugin_name}: {', '.join(sorted(folders))}")
+
+        pytest.fail("\n".join(messages))