@Test public void testDeserializer() throws IOException { InputBuffer inBuf = mock(InputBuffer.class); when(inBuf.readByte()).thenReturn(new Byte((byte) 0)); Object message = koalaDeserializer.deserialize( inBuf, InsertRequestMessage.TYPE, InsertRequestMessage.DEFAULT_PRIORITY, mock(NodeHandle.class)); assertTrue(message instanceof InsertRequestMessage); }