Finished new role identification system implementation

tests/integration/test_unique_application_id.py

@@ -0,0 +1,39 @@
+import os
+import glob
+import yaml
+import unittest
+
+
+def find_application_ids():
+    """
+    Scans all roles/*/vars/main.yml files and collects application_id values.
+    Returns a dict mapping application_id to list of file paths where it appears.
+    """
+    ids = {}
+    # Wenn der Test unter tests/integration liegt, gehen wir zwei Ebenen hoch zum Projekt-Root
+    base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), "..", ".."))
+    pattern = os.path.join(base_dir, "roles", "*", "vars", "main.yml")
+
+    for file_path in glob.glob(pattern):
+        with open(file_path, 'r') as f:
+            data = yaml.safe_load(f) or {}
+        app_id = data.get('application_id')
+        if app_id is not None:
+            ids.setdefault(app_id, []).append(file_path)
+    return ids
+
+
+class TestUniqueApplicationId(unittest.TestCase):
+    def test_application_ids_are_unique(self):
+        ids = find_application_ids()
+        duplicates = {app_id: paths for app_id, paths in ids.items() if len(paths) > 1}
+        if duplicates:
+            messages = []
+            for app_id, paths in duplicates.items():
+                file_list = '\n    '.join(paths)
+                messages.append(f"application_id '{app_id}' found in multiple files:\n    {file_list}")
+            self.fail("\n\n".join(messages))
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)