Added explode test

cmd/utils.go

@@ -103,6 +103,7 @@ func writeString(writer io.Writer, txt string) error {
 }
 
 func explode(matchingNodes []*yqlib.NodeContext) error {
+
 	for _, nodeContext := range matchingNodes {
 		var targetNode = yaml.Node{Kind: yaml.MappingNode}
 		explodedNodes, errorRetrieving := lib.Get(nodeContext.Node, "**")
@@ -112,7 +113,10 @@ func explode(matchingNodes []*yqlib.NodeContext) error {
 		for _, matchingNode := range explodedNodes {
 			mergePath := lib.MergePathStackToString(matchingNode.PathStack, appendFlag)
 			updateCommand := yqlib.UpdateCommand{Command: "update", Path: mergePath, Value: matchingNode.Node, Overwrite: overwriteFlag}
-			lib.Update(&targetNode, updateCommand, true)
+			errorUpdating := lib.Update(&targetNode, updateCommand, true)
+			if errorUpdating != nil {
+				return errorUpdating
+			}
 		}
 		nodeContext.Node = &targetNode
 	}
@@ -126,7 +130,10 @@ func printResults(matchingNodes []*yqlib.NodeContext, writer io.Writer) error {
 
 	//always explode anchors when printing json
 	if explodeAnchors || outputToJSON {
-		explode(matchingNodes)
+		errorExploding := explode(matchingNodes)
+		if errorExploding != nil {
+			return errorExploding
+		}
 	}
 
 	bufferedWriter := bufio.NewWriter(writer)