Fail safed more parts of the code

tests/integration/test_roles_folder_names.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+
+import os
+import unittest
+
+class TestRolesFolderNames(unittest.TestCase):
+    def test_no_underscore_in_role_folder_names(self):
+        """
+        Integration test that verifies none of the folders under 'roles' contain an underscore in their name,
+        ignoring the '__pycache__' folder.
+        """
+        # Determine the absolute path to the 'roles' directory
+        roles_dir = os.path.abspath(
+            os.path.join(
+                os.path.dirname(__file__), '..', '..', 'roles'
+            )
+        )
+
+        # List all entries in the roles directory
+        try:
+            entries = os.listdir(roles_dir)
+        except FileNotFoundError:
+            self.fail(f"Roles directory not found at expected location: {roles_dir}")
+
+        # Identify any role folders containing underscores, excluding '__pycache__'
+        invalid = []
+        for name in entries:
+            # Skip the '__pycache__' directory
+            if name == '__pycache__':
+                continue
+            path = os.path.join(roles_dir, name)
+            if os.path.isdir(path) and '_' in name:
+                invalid.append(name)
+
+        # Fail the test if any invalid folder names are found
+        if invalid:
+            self.fail(
+                f"Role folder names must not contain underscores: {', '.join(sorted(invalid))}"
+            )
+
+if __name__ == '__main__':
+    unittest.main()