ONOS-4083,ONOS-4084:JUNIT for ISIS PDU TLV Data Structures

Change-Id: I0849d87ad1c7f9a8e08aabebd547dfd2dfde49df
diff --git a/protocols/isis/isisio/src/test/java/org/onosproject/isis/io/isispacket/tlv/LspEntriesTlvTest.java b/protocols/isis/isisio/src/test/java/org/onosproject/isis/io/isispacket/tlv/LspEntriesTlvTest.java
new file mode 100644
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+++ b/protocols/isis/isisio/src/test/java/org/onosproject/isis/io/isispacket/tlv/LspEntriesTlvTest.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2016-present 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.isis.io.isispacket.tlv;
+
+import org.easymock.EasyMock;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.junit.Assert.assertThat;
+
+/**
+ * Unit test class for LspEntriesTlv.
+ */
+public class LspEntriesTlvTest {
+
+    private final byte[] entry = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+    private LspEntriesTlv lspEntriesTlv;
+    private TlvHeader tlvHeader;
+    private List<LspEntry> lspEntries = new ArrayList();
+    private ChannelBuffer channelBuffer;
+
+    @Before
+    public void setUp() throws Exception {
+        tlvHeader = new TlvHeader();
+        lspEntriesTlv = new LspEntriesTlv(tlvHeader);
+        channelBuffer = EasyMock.createMock(ChannelBuffer.class);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        tlvHeader = null;
+        lspEntriesTlv = null;
+        lspEntries.clear();
+    }
+
+    /**
+     * Tests lspEntry() getter method.
+     */
+    @Test
+    public void testLspEntry() throws Exception {
+        lspEntriesTlv.addLspEntry(new LspEntry());
+        assertThat(lspEntriesTlv.lspEntry().size(), is(1));
+    }
+
+    /**
+     * Tests lspEntry() add method.
+     */
+    @Test
+    public void testAddLspEntry() throws Exception {
+        lspEntriesTlv.addLspEntry(new LspEntry());
+        assertThat(lspEntriesTlv.lspEntry().size(), is(1));
+    }
+
+    /**
+     * Tests readFrom() method.
+     */
+    @Test
+    public void testReadFrom() throws Exception {
+        channelBuffer = ChannelBuffers.copiedBuffer(entry);
+        lspEntriesTlv.readFrom(channelBuffer);
+        lspEntries = lspEntriesTlv.lspEntry();
+        assertThat(lspEntriesTlv.lspEntry().size(), is(1));
+    }
+
+    /**
+     * Tests asBytes()  method.
+     */
+    @Test
+    public void testAsBytes() throws Exception {
+        channelBuffer = ChannelBuffers.copiedBuffer(entry);
+        lspEntriesTlv.readFrom(channelBuffer);
+        lspEntriesTlv.asBytes();
+    }
+
+    /**
+     * Tests toString()  method.
+     */
+    @Test
+    public void testToString() throws Exception {
+        assertThat(lspEntriesTlv.toString(), is(notNullValue()));
+    }
+
+}
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