Unit tests for open flow message encode and decode
Change-Id: Id0d6975b760943d3fc2ad97d176fc538eab2c5bf
diff --git a/openflow/ctl/src/test/java/org/onosproject/openflow/controller/impl/OFMessageEncoderTest.java b/openflow/ctl/src/test/java/org/onosproject/openflow/controller/impl/OFMessageEncoderTest.java
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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 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() {
+ 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));
+ }
+}