Improve unit test coverage

[openflowjava.git] / openflow-protocol-impl / src / test / java / org / opendaylight / openflowjava / protocol / impl / serialization / match / OxmMplsTcSerializerTest.java

diff --git a/openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/OxmMplsTcSerializerTest.java b/openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/OxmMplsTcSerializerTest.java
new file mode 100644 (file)
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+++ b/openflow-protocol-impl/src/test/java/org/opendaylight/openflowjava/protocol/impl/serialization/match/OxmMplsTcSerializerTest.java
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+/*\r
+ * Copyright (c) 2014 Pantheon Technologies s.r.o. and others. All rights reserved.\r
+ *\r
+ * This program and the accompanying materials are made available under the\r
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
+ * and is available at http://www.eclipse.org/legal/epl-v10.html\r
+ */\r
+\r
+package org.opendaylight.openflowjava.protocol.impl.serialization.match;\r
+\r
+import static org.junit.Assert.assertEquals;\r
+import static org.junit.Assert.assertTrue;\r
+import io.netty.buffer.ByteBuf;\r
+import io.netty.buffer.PooledByteBufAllocator;\r
+\r
+import org.junit.Test;\r
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;\r
+import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntry;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.TcMatchEntryBuilder;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MplsTc;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OpenflowBasicClass;\r
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;\r
+\r
+/**\r
+ * @author michal.polkorab\r
+ *\r
+ */\r
+public class OxmMplsTcSerializerTest {\r
+\r
+    OxmMplsTcSerializer serializer = new OxmMplsTcSerializer();\r
+\r
+    /**\r
+     * Test correct serialization\r
+     */\r
+    @Test\r
+    public void testSerialize() {\r
+        MatchEntriesBuilder builder = prepareMplsTcMatchEntry((short) 16);\r
+        \r
+        ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();\r
+        serializer.serialize(builder.build(), buffer);\r
+\r
+        checkHeader(buffer, false);\r
+        assertEquals("Wrong value", 16, buffer.readUnsignedByte());\r
+        assertTrue("Unexpected data", buffer.readableBytes() == 0);\r
+    }\r
+\r
+    /**\r
+     * Test correct header serialization\r
+     */\r
+    @Test\r
+    public void testSerializeHeader() {\r
+        MatchEntriesBuilder builder = prepareMplsTcHeader(false);\r
+        \r
+        ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer();\r
+        serializer.serializeHeader(builder.build(), buffer);\r
+\r
+        checkHeader(buffer, false);\r
+        assertTrue("Unexpected data", buffer.readableBytes() == 0);\r
+    }\r
+\r
+    /**\r
+     * Test correct oxm-class return value\r
+     */\r
+    @Test\r
+    public void testGetOxmClassCode() {\r
+        assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, serializer.getOxmClassCode());\r
+    }\r
+\r
+    /**\r
+     * Test correct oxm-field return value\r
+     */\r
+    @Test\r
+    public void getOxmFieldCode() {\r
+        assertEquals("Wrong oxm-class", OxmMatchConstants.MPLS_TC, serializer.getOxmFieldCode());\r
+    }\r
+\r
+    /**\r
+     * Test correct value length return value\r
+     */\r
+    @Test\r
+    public void testGetValueLength() {\r
+        assertEquals("Wrong value length", EncodeConstants.SIZE_OF_BYTE_IN_BYTES, serializer.getValueLength());\r
+    }\r
+\r
+    private static MatchEntriesBuilder prepareMplsTcMatchEntry(short value) {\r
+        MatchEntriesBuilder builder = prepareMplsTcHeader(false);\r
+        TcMatchEntryBuilder tcBuilder = new TcMatchEntryBuilder();\r
+        tcBuilder.setTc(value);\r
+        builder.addAugmentation(TcMatchEntry.class, tcBuilder.build());\r
+        return builder;\r
+    }\r
+\r
+    private static MatchEntriesBuilder prepareMplsTcHeader(boolean hasMask) {\r
+        MatchEntriesBuilder builder = new MatchEntriesBuilder();\r
+        builder.setOxmClass(OpenflowBasicClass.class);\r
+        builder.setOxmMatchField(MplsTc.class);\r
+        builder.setHasMask(hasMask);\r
+        return builder;\r
+    }\r
+\r
+    private static void checkHeader(ByteBuf buffer, boolean hasMask) {\r
+        assertEquals("Wrong oxm-class", OxmMatchConstants.OPENFLOW_BASIC_CLASS, buffer.readUnsignedShort());\r
+        short fieldAndMask = buffer.readUnsignedByte();\r
+        assertEquals("Wrong oxm-field", OxmMatchConstants.MPLS_TC, fieldAndMask >>> 1);\r
+        assertEquals("Wrong hasMask", hasMask, (fieldAndMask & 1) != 0);\r
+        assertEquals("Wrong length", EncodeConstants.SIZE_OF_BYTE_IN_BYTES, buffer.readUnsignedByte());\r
+    }\r
+}
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