--- /dev/null
+package org.opendaylight.controller.cluster.datastore.identifiers;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import org.junit.Test;
+
+public class ChainedTransactionIdentifierTest {
+
+ @Test
+ public void testToString(){
+ TransactionChainIdentifier chainId = new TransactionChainIdentifier("member-1", 99);
+ ChainedTransactionIdentifier chainedTransactionIdentifier = new ChainedTransactionIdentifier(chainId, 100);
+
+ String txnId = chainedTransactionIdentifier.toString();
+
+ assertTrue(txnId.contains("member-1"));
+ assertTrue(txnId.contains("100"));
+ assertTrue(txnId.contains("99"));
+
+ assertEquals("member-1-chn-99-txn-100", txnId);
+ }
+
+}
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