Bug 2820 - LLDP TLV support and testing

[controller.git] / opendaylight / commons / liblldp / src / test / java / org / opendaylight / controller / liblldp / LLDPTLVTest.java

diff --git a/opendaylight/commons/liblldp/src/test/java/org/opendaylight/controller/liblldp/LLDPTLVTest.java b/opendaylight/commons/liblldp/src/test/java/org/opendaylight/controller/liblldp/LLDPTLVTest.java
new file mode 100644 (file)
index 0000000..23f8ae6
--- /dev/null
+++ b/opendaylight/commons/liblldp/src/test/java/org/opendaylight/controller/liblldp/LLDPTLVTest.java
@@ -0,0 +1,81 @@
+/**
+ * Copyright (c) 2015 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.controller.liblldp;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.io.BaseEncoding;
+import com.google.common.primitives.Bytes;
+
+/**
+ *
+ */
+public class LLDPTLVTest {
+
+    /** dummy custom tlv value */
+    private static final String CUSTOM_TLV_ULTIMATE = "What do you get when you multiply 6 by 9?";
+    /** dummy custom tlv value in binary form */
+    private static final byte[] CUSTOM_TLV_ULTIMATE_BIN = new byte[] {
+        0x57, 0x68, 0x61, 0x74, 0x20, 0x64, 0x6f, 0x20, 0x79, 0x6f, 0x75, 0x20, 0x67, 0x65, 0x74,
+        0x20, 0x77, 0x68, 0x65, 0x6e, 0x20, 0x79, 0x6f, 0x75, 0x20, 0x6d, 0x75, 0x6c, 0x74, 0x69,
+        0x70, 0x6c, 0x79, 0x20, 0x36, 0x20, 0x62, 0x79, 0x20, 0x39, 0x3f
+    };
+
+    private static final Logger LOG = LoggerFactory.getLogger(LLDPTLVTest.class);
+
+    /**
+     * Test method for
+     * {@link org.opendaylight.controller.liblldp.LLDPTLV#createCustomTLVValue(java.lang.String)}
+     * .
+     */
+    @Test
+    public void testCreateCustomTLVValue() {
+        byte[] tlv = LLDPTLV.createCustomTLVValue(CUSTOM_TLV_ULTIMATE);
+
+        byte[] expectedCustomTlv = Bytes.concat(new byte[] {
+                // custom type (7b) + length (9b) = 16b = 2B  (skipped)
+                // 0x7f, 24,
+                // openflow OUI
+                0x00, 0x26, (byte) 0xe1,
+                // subtype
+                0x00},
+                // custom value
+                CUSTOM_TLV_ULTIMATE_BIN);
+
+        BaseEncoding be = BaseEncoding.base16().withSeparator(" ", 2).lowerCase();
+        LOG.debug("expected: {}", be.encode(expectedCustomTlv));
+        LOG.debug("actual  : {}", be.encode(tlv));
+        Assert.assertArrayEquals(expectedCustomTlv, tlv);
+    }
+
+    /**
+     * Test method for
+     * {@link org.opendaylight.controller.liblldp.LLDPTLV#getCustomString(byte[], int)}
+     * .
+     * @throws Exception
+     */
+    @Test
+    public void testGetCustomString() throws Exception {
+        byte[] inputCustomTlv = Bytes.concat(new byte[] {
+                // custom type (7b) + length (9b) = 16b = 2B  (skipped)
+                // 0x7f, 24,
+                // openflow OUI
+                0x00, 0x26, (byte) 0xe1,
+                // subtype
+                0x00},
+                // custom value
+                CUSTOM_TLV_ULTIMATE_BIN);
+
+        String actual = LLDPTLV.getCustomString(inputCustomTlv, inputCustomTlv.length);
+        LOG.debug("actual custom TLV value as string: {}", actual);
+        Assert.assertEquals(CUSTOM_TLV_ULTIMATE, actual);
+    }
+}