[ONOS-6169] Implement codec for segment and SrcDst ext addresses
Change-Id: Id928a3bb2dd914f8411cc6353bb41c5f05fb54a4
diff --git a/drivers/lisp/src/test/java/org/onosproject/drivers/lisp/extensions/codec/LispSegmentAddressCodecTest.java b/drivers/lisp/src/test/java/org/onosproject/drivers/lisp/extensions/codec/LispSegmentAddressCodecTest.java
new file mode 100644
index 0000000..0721f52
--- /dev/null
+++ b/drivers/lisp/src/test/java/org/onosproject/drivers/lisp/extensions/codec/LispSegmentAddressCodecTest.java
@@ -0,0 +1,170 @@
+/*
+ * Copyright 2017-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.drivers.lisp.extensions.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.drivers.lisp.extensions.LispMappingExtensionCodecRegistrator;
+import org.onosproject.drivers.lisp.extensions.LispSegmentAddress;
+import org.onosproject.mapping.addresses.MappingAddresses;
+import org.onosproject.mapping.web.codec.MappingAddressJsonMatcher;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+
+/**
+ * Unit tests for LispSegmentAddressCodec.
+ */
+public class LispSegmentAddressCodecTest {
+
+ private static final int INSTANCE_ID = 1;
+ private static final IpPrefix IPV4_PREFIX = IpPrefix.valueOf("10.1.1.0/24");
+
+ private CodecContext context;
+ private JsonCodec<LispSegmentAddress> segmentAddressCodec;
+ private LispMappingExtensionCodecRegistrator registrator;
+
+ /**
+ * Sets up for each test.
+ * Creates a context and fetches the LispSegmentAddress codec.
+ */
+ @Before
+ public void setUp() {
+ CodecManager manager = new CodecManager();
+ registrator = new LispMappingExtensionCodecRegistrator();
+ registrator.codecService = manager;
+ registrator.activate();
+
+ context = new LispMappingExtensionCodecContextAdapter(registrator.codecService);
+ segmentAddressCodec = context.codec(LispSegmentAddress.class);
+ assertThat("segment address codec should not be null",
+ segmentAddressCodec, notNullValue());
+ }
+
+ /**
+ * Deactivates the codec registrator.
+ */
+ @After
+ public void tearDown() {
+ registrator.deactivate();
+ }
+
+ /**
+ * Tests encoding of a LispSegmentAddress object.
+ */
+ @Test
+ public void testLispSegmentAddressEncode() {
+ LispSegmentAddress address = new LispSegmentAddress.Builder()
+ .withInstanceId(INSTANCE_ID)
+ .withAddress(MappingAddresses.ipv4MappingAddress(IPV4_PREFIX))
+ .build();
+ ObjectNode addressJson = segmentAddressCodec.encode(address, context);
+ assertThat("errors in encoding segment address JSON",
+ addressJson, LispSegmentAddressJsonMatcher.matchesSegmentAddress(address));
+ }
+
+ /**
+ * Tests decoding of a LispSegmentAddress JSON object.
+ */
+ @Test
+ public void testLispSegmentAddressDecode() throws IOException {
+ LispSegmentAddress address = getLispSegmentAddress("LispSegmentAddress.json");
+
+ assertThat("incorrect instance ID", address.getInstanceId(), is(INSTANCE_ID));
+ assertThat("incorrect mapping address", address.getAddress(),
+ is(MappingAddresses.ipv4MappingAddress(IPV4_PREFIX)));
+ }
+
+ /**
+ * Hamcrest matcher for LispSegmentAddress.
+ */
+ public static final class LispSegmentAddressJsonMatcher
+ extends TypeSafeDiagnosingMatcher<JsonNode> {
+
+ private final LispSegmentAddress address;
+
+ /**
+ * Default constructor.
+ *
+ * @param address LispSegmentAddress object
+ */
+ private LispSegmentAddressJsonMatcher(LispSegmentAddress address) {
+ this.address = address;
+ }
+
+ @Override
+ protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+ // check instance ID
+ int jsonInstanceId = jsonNode.get(LispSegmentAddressCodec.INSTANCE_ID).asInt();
+ int instanceId = address.getInstanceId();
+ if (jsonInstanceId != instanceId) {
+ description.appendText("Instance ID was " + jsonInstanceId);
+ return false;
+ }
+
+ // check address
+ MappingAddressJsonMatcher addressMatcher =
+ MappingAddressJsonMatcher.matchesMappingAddress(address.getAddress());
+
+ return addressMatcher.matches(jsonNode.get(LispSegmentAddressCodec.ADDRESS));
+ }
+
+ @Override
+ public void describeTo(Description description) {
+ description.appendText(address.toString());
+ }
+
+ /**
+ * Factory to allocate a LispSegmentAddress matcher.
+ *
+ * @param address LispSegmentAddress object we are looking for
+ * @return matcher
+ */
+ public static LispSegmentAddressJsonMatcher matchesSegmentAddress(LispSegmentAddress address) {
+ return new LispSegmentAddressJsonMatcher(address);
+ }
+ }
+
+ /**
+ * Reads in a LispSegmentAddress from the given resource and decodes it.
+ *
+ * @param resourceName resource to use to read the JSON for the rule
+ * @return decoded LispSegmentAddress
+ * @throws IOException if processing the resource fails
+ */
+ private LispSegmentAddress getLispSegmentAddress(String resourceName) throws IOException {
+ InputStream jsonStream = LispSegmentAddressCodecTest.class.getResourceAsStream(resourceName);
+ JsonNode json = context.mapper().readTree(jsonStream);
+ assertThat("JSON string should not be null", json, notNullValue());
+ LispSegmentAddress segmentAddress = segmentAddressCodec.decode((ObjectNode) json, context);
+ assertThat("decoded address should not be null", segmentAddress, notNullValue());
+ return segmentAddress;
+ }
+}