1 files changed, 90 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/openflow/ctl/src/test/java/org/onosproject/openflow/controller/impl/OFMessageEncoderTest.java b/framework/src/onos/protocols/openflow/ctl/src/test/java/org/onosproject/openflow/controller/impl/OFMessageEncoderTest.java
new file mode 100644
index 00000000..d09e5661
--- /dev/null
+++ b/framework/src/onos/protocols/openflow/ctl/src/test/java/org/onosproject/openflow/controller/impl/OFMessageEncoderTest.java
@@ -0,0 +1,90 @@
+/*
+ * 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));
+    }
+}