fix(gcp): check check_name has no resource_name error (#9178)

Co-authored-by: Hugo Pereira Brito <101209179+HugoPBrito@users.noreply.github.com>
Co-authored-by: Daniel Barranquero <danielbo2001@gmail.com>

prowler/CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to the **Prowler SDK** are documented in this file.
 
+## [v5.13.2] (Prowler UNRELEASED)
+
+### Fixed
+- Check `check_name` has no `resource_name` error for GCP provider [(#9169)](https://github.com/prowler-cloud/prowler/pull/9169)
+
 ## [v5.13.1] (Prowler v5.13.1)
 
 ### Fixed

prowler/lib/check/models.py

@@ -588,8 +588,17 @@ class Check_Report_GCP(Check_Report):
             or getattr(resource, "name", None)
             or ""
         )
+
+        # Prefer the explicit resource_name argument, otherwise look for a name attribute on the resource
+        resource_name_candidate = resource_name or getattr(resource, "name", None)
+        if not resource_name_candidate and isinstance(resource, dict):
+            # Some callers pass a dict, so fall back to the dict entry if available
+            resource_name_candidate = resource.get("name")
+        if isinstance(resource_name_candidate, str):
+            # Trim whitespace so empty strings collapse to the default
+            resource_name_candidate = resource_name_candidate.strip()
         self.resource_name = (
-            resource_name or getattr(resource, "name", "") or "GCP Project"
+            str(resource_name_candidate) if resource_name_candidate else "GCP Project"
         )
         self.project_id = project_id or getattr(resource, "project_id", "")
         self.location = (