add node details

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNode.java

@@ -39,9 +39,9 @@ import java.util.concurrent.ExecutionException;
         name = "split array msg",
         configClazz = EmptyNodeConfiguration.class,
         nodeDescription = "Split array message into several msgs",
-        nodeDetails = "Split the array fetched from the msg body. Returns inner objects of the extracted array as "
+        nodeDetails = "Split the array fetched from the msg body. If the msg data is not a JSON object returns the "
-                + "separate messages via <code>Success</code> chain. If msg data is not a JSON array, "
+                + "incoming message as outbound message with <code>Failure</code> chain, otherwise returns "
-                + "the incoming message is returned",
+                + "inner objects of the extracted array as separate messages via <code>Success</code> chain.",
         icon = "content_copy",
         configDirective = "tbNodeEmptyConfig"
 )
@@ -72,7 +72,7 @@ public class TbSplitArrayMsgNode implements TbNode {
                 }
             }
         } else {
-            ctx.tellSuccess(msg);
+            ctx.tellFailure(msg, new RuntimeException("Msg data is not a JSON Array!"));
         }
     }
 

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/transform/TbSplitArrayMsgNodeTest.java

@@ -94,15 +94,18 @@ public class TbSplitArrayMsgNodeTest {
     }
 
     @Test
-    void givenNoArrayMsg_whenOnMsg_thenVerifyOutput() throws Exception {
+    void givenNoArrayMsg_whenOnMsg_thenFailure() throws Exception {
         String data = "{\"Attribute_1\":22.5,\"Attribute_2\":10.3}";
         JsonNode dataNode = JacksonUtil.toJsonNode(data);
         TbMsg msg = getTbMsg(deviceId, dataNode.toString());
         node.onMsg(ctx, msg);
 
         ArgumentCaptor<TbMsg> newMsgCaptor = ArgumentCaptor.forClass(TbMsg.class);
-        verify(ctx, times(1)).tellSuccess(newMsgCaptor.capture());
+        ArgumentCaptor<Exception> exceptionCaptor = ArgumentCaptor.forClass(Exception.class);
-        verify(ctx, never()).tellFailure(any(), any());
+        verify(ctx, never()).tellSuccess(any());
+        verify(ctx, times(1)).tellFailure(newMsgCaptor.capture(), exceptionCaptor.capture());
+
+        assertThat(exceptionCaptor.getValue()).isInstanceOf(RuntimeException.class);
 
         TbMsg newMsg = newMsgCaptor.getValue();
         assertThat(newMsg).isNotNull();