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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.openflow.controller.impl;
import java.nio.charset.StandardCharsets;
import java.util.List;
import org.jboss.netty.buffer.ChannelBuffer;
import org.junit.Test;
import org.onosproject.openflow.OfMessageAdapter;
import org.projectfloodlight.openflow.protocol.OFMessage;
import org.projectfloodlight.openflow.protocol.OFType;
import com.google.common.collect.ImmutableList;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
/**
* Tests for the OpenFlow message encoder.
*/
public class OFMessageEncoderTest {
static class MockOfMessage extends OfMessageAdapter {
static int nextId = 1;
final int id;
MockOfMessage() {
super(OFType.ERROR);
id = nextId++;
}
@Override
public void writeTo(ChannelBuffer channelBuffer) {
String message = "message" + Integer.toString(id) + " ";
channelBuffer.writeBytes(message.getBytes(StandardCharsets.UTF_8));
}
}
/**
* Tests that encoding a non-list returns the object specified.
*
* @throws Exception on exception in the encoder
*/
@Test
public void testNoList() throws Exception {
OFMessageEncoder encoder = new OFMessageEncoder();
MockOfMessage message = new MockOfMessage();
OFMessage returnedMessage =
(OFMessage) encoder.encode(null, null, message);
assertThat(message, is(returnedMessage));
}
/**
* Tests that encoding a list returns the proper encoded payload.
*
* @throws Exception on exception in the encoder
*/
@Test
public void testList() throws Exception {
OFMessageEncoder encoder = new OFMessageEncoder();
MockOfMessage message1 = new MockOfMessage();
MockOfMessage message2 = new MockOfMessage();
MockOfMessage message3 = new MockOfMessage();
List<MockOfMessage> messages = ImmutableList.of(message1, message2, message3);
ChannelBuffer returnedChannel =
(ChannelBuffer) encoder.encode(null, null, messages);
assertThat(returnedChannel, notNullValue());
byte[] channelBytes = returnedChannel.array();
String expectedListMessage = "message1 message2 message3 ";
String listMessage =
(new String(channelBytes, StandardCharsets.UTF_8))
.substring(0, expectedListMessage.length());
assertThat(listMessage, is(expectedListMessage));
}
}
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