Java tutorial
/** * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.openflowjava.nx.api.impl; import static org.junit.Assert.assertNull; import io.netty.buffer.ByteBuf; import io.netty.buffer.ByteBufAllocator; import java.util.LinkedList; import java.util.List; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.mockito.Mock; import org.mockito.Mockito; import org.mockito.runners.MockitoJUnitRunner; import org.opendaylight.openflowjava.nx.api.NiciraActionDeserializerKey; import org.opendaylight.openflowjava.nx.api.NiciraConstants; import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer; import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action; @RunWith(MockitoJUnitRunner.class) public class ActionDeserializerTest { ActionDeserializer actionDeserializer; ByteBuf buffer; NiciraExtensionCodecRegistratorImpl niciraExtensionCodecRegistrator; List<SwitchConnectionProvider> providers; @Mock OFDeserializer<Action> deserializer; @Mock SwitchConnectionProvider provider; @Mock OFDeserializer<Action> ofDeserializer; private static final short VERSION = 4; private static final long EXPERIMENT_ID = NiciraConstants.NX_VENDOR_ID; private static final byte SUBTYPE = 10; @Before public void setUp() { actionDeserializer = new ActionDeserializer(VERSION); buffer = ByteBufAllocator.DEFAULT.buffer(); providers = new LinkedList<>(); } /** * If NiciraExtensionCodecRegistratorImpl.getActionDeserializer(actionSerializerKey) returns NULL * then NULL should be returned */ @Test public void deserializeTest() { createBuffer(buffer); assertNull(actionDeserializer.deserialize(buffer)); } /** * If experimentId is different from NiciraConstants.NX_VENDOR_ID * then exception should be thrown */ @Test(expected = IllegalStateException.class) public void deserializeTest1() { createBufferWithWrongExperimentId(buffer); actionDeserializer.deserialize(buffer); } @Test public void deserializeTest2() { createBuffer(buffer); addRecordToMap(); actionDeserializer.deserialize(buffer); Mockito.verify(deserializer).deserialize(buffer); } private void createBuffer(ByteBuf message) { //size of experiment type message.writeShort(1); //size of length message.writeShort(13); //experimentId message.writeInt((int) EXPERIMENT_ID); //subtype message.writeShort(SUBTYPE); } private void createBufferWithWrongExperimentId(ByteBuf message) { //size of experiment type message.writeShort(1); //size of length message.writeShort(13); //experimentId message.writeInt(1); //subtype message.writeShort(SUBTYPE); } private void addRecordToMap() { niciraExtensionCodecRegistrator = new NiciraExtensionCodecRegistratorImpl(providers); NiciraActionDeserializerKey key = new NiciraActionDeserializerKey(VERSION, SUBTYPE); niciraExtensionCodecRegistrator.registerActionDeserializer(key, deserializer); } }