extended unittest and fixed UniqueID issue

bugifx: an exception was thrown when an int is passed as a UniqueID field -> now converted to string

src/transaction-hub-in/trace-retrieval-microservice/app/messaging/MessageHandler.py

@@ -90,6 +90,10 @@ class MessageHandler:
         transaction - Required: dictionary, that is arbitrarily deep nested
         mappings    - Required: contains string->path mappings, describing how the flattened object is built
         '''
+
+        print("TRANSACTION: "+str(transaction))
+        print("MAPPINGS: "+str(mappings))
+
         flattened = {}
 
         # iterate over schema mappings and resolve paths
@@ -111,7 +115,7 @@ class MessageHandler:
 
             flattened[mapping] = final_value
         
-        flattened["UniqueID"] = hashlib.sha256(flattened["UniqueID"].encode("utf-8")).hexdigest()
+        flattened["UniqueID"] = hashlib.sha256(str(flattened["UniqueID"]).encode("utf-8")).hexdigest()
 
         return flattened
 

src/transaction-hub-in/trace-retrieval-microservice/app/tests/test_by.py

@@ -48,6 +48,22 @@ class Test_MessageHandler(unittest.TestCase):
         }
         return json.dumps(message_values)
 
+    def _get_order_message(self) -> str:
+        message_values = \
+        { 
+          'type': 'blockchain-transaction',
+          'content': 
+            {
+                "ApplicationType": "debug",
+                "docType": "order",
+                "orderId": 1,
+                "pizza": 1,
+                "price": 12.0,
+                "restaurant": 1,
+            }
+        }
+        return json.dumps(message_values)
+
     def _get_pizza_message(self) -> str:
         message_values = \
         { 
@@ -56,21 +72,27 @@ class Test_MessageHandler(unittest.TestCase):
             {
             "ApplicationType": "debug",
             "docType": "pizza",
-            "name": "Margherita",
+            "id": 1,
+            "name": "Diavolo",
             "dough": {
                 "type": "wheat",
-                "cheese": False,
+                "spinach": False
             },
-            "sauces": [
+            "toppings": [
+                {
+                    "name": "cheese",
+                    "price": 0.50,
+                },
                 {
-                    "name": "tomato",
-                    "sugarcontent": 0.0,
+                    "name": "peppers",
+                    "price": 1.00,
                 },
                 {
-                    "name": "caramel",
-                    "sugarcontent": 1.0,
+                    "name": "chilli-oil",
+                    "price": 0.1,
                 }
-            ]
+            ],
+            
             }
         }
         return json.dumps(message_values)