@Test
 public void testPing() {
   DummyJedisCommands client = new DummyJedisCommands(null);
   client.ping();
   Operation op = getLastEntered();
   assertNotNull("No operation extracted", op);
   assertEquals("Mismatched method name", "ping", op.get("methodName"));
   assertEquals("Mismatched label", "Redis: ping", op.getLabel());
 }
 @Test
 public void testSetWithDbName() {
   DummyJedisCommands client = new DummyJedisCommands("localhost");
   client.set("mykey", "myvalue");
   Operation op = getLastEntered();
   assertNotNull("No operation extracted", op);
   assertEquals("Mismatched method name", "set", op.get("methodName"));
   assertEquals("Mismatched label", "Redis: mykey.set", op.getLabel());
   assertEquals(
       "Mismatched argument value",
       "mykey",
       op.get(OperationFields.ARGUMENTS, OperationList.class).get(0));
   assertEquals("Mismatched host", "localhost", op.get("host"));
   assertEquals("Mismatched port", 6379, op.getInt("port", (-1)));
   assertEquals("Mismatched DB name", "0", op.get("dbName"));
 }