Validate target is a valid Json Pointer

Author: gcatanese

src/main/java/com/apiflows/parser/OpenAPIWorkflowValidator.java

@@ -239,6 +239,11 @@ List<String> validateParameter(Parameter parameter, String workflowId ) {
                     errors.add("'Workflow[" + workflowId + "]' parameter has no value");
                 }
             }
+            if(parameter.getTarget() != null) {
+                if(!isValidJsonPointer(parameter.getTarget())) {
+                    errors.add("Parameter '" + name + "' target is not a valid Json Pointer");
+                }
+            }
         }
         return errors;
     }

src/test/java/com/apiflows/parser/OpenAPIWorkflowValidatorTest.java

@@ -708,9 +708,9 @@ void invalidJsonPointer() {
         assertFalse(new OpenAPIWorkflowValidator().isValidJsonPointer("user/id"));
     }
 
-//    @Test
-//    void isValidJsonPointer2() {
-//        assertTrue(new OpenAPIWorkflowValidator().isValidJsonPointer("#/petId"));
-//    }
+    @Test
+    void invalidJsonPointerSyntax() {
+        assertFalse(new OpenAPIWorkflowValidator().isValidJsonPointer("#/petId"));
+    }
 
 }