1 files changed, 17 insertions, 0 deletions
diff --git a/ice_validator/tests/helpers.py b/ice_validator/tests/helpers.py
index 5744945..afa8672 100644
--- a/ice_validator/tests/helpers.py
+++ b/ice_validator/tests/helpers.py
@@ -307,3 +307,20 @@ def parameter_type_to_heat_type(parameter):
         parameter_type = None
 
     return parameter_type
+
+
+def prop_iterator(resource, *props):
+    terminators = ["get_resource", "get_attr", "str_replace"]
+    if "properties" in resource:
+        resource = resource.get("properties")
+    props = list(props)
+
+    if isinstance(resource, dict) and "get_param" in resource:
+        yield resource.get("get_param")
+    else:
+        prop = resource.get(props.pop(0))
+        if isinstance(prop, list):
+            for x in prop:
+                yield from prop_iterator(x, *props)
+        elif isinstance(prop, dict) and not any(x for x in terminators if x in prop):
+            yield from prop_iterator(prop, *props)