[ONOS-7905] Add default implementation for kubernetes data model
Change-Id: I08e9266dec2050e8299e4189745608a6e03fd06e
diff --git a/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/codec/K8sIpamCodecTest.java b/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/codec/K8sIpamCodecTest.java
new file mode 100644
index 0000000..8335867
--- /dev/null
+++ b/apps/k8s-networking/app/src/test/java/org/onosproject/k8snetworking/codec/K8sIpamCodecTest.java
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+ *
+ * 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.k8snetworking.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.hamcrest.MatcherAssert;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.core.CoreService;
+import org.onosproject.k8snetworking.api.DefaultK8sIpam;
+import org.onosproject.k8snetworking.api.K8sIpam;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import static junit.framework.TestCase.assertEquals;
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.onosproject.k8snetworking.codec.K8sIpamJsonMatcher.matchesK8sIpam;
+import static org.onosproject.net.NetTestTools.APP_ID;
+
+/**
+ * Unit tests for kubernetes IPAM codec.
+ */
+public class K8sIpamCodecTest {
+
+ MockCodecContext context;
+
+ JsonCodec<K8sIpam> k8sIpamCodec;
+
+ final CoreService mockCoreService = createMock(CoreService.class);
+ private static final String REST_APP_ID = "org.onosproject.rest";
+
+ /**
+ * Initial setup for this unit test.
+ */
+ @Before
+ public void setUp() {
+ context = new MockCodecContext();
+ k8sIpamCodec = new K8sIpamCodec();
+
+ assertThat(k8sIpamCodec, notNullValue());
+
+ expect(mockCoreService.registerApplication(REST_APP_ID))
+ .andReturn(APP_ID).anyTimes();
+ replay(mockCoreService);
+ context.registerService(CoreService.class, mockCoreService);
+ }
+
+ /**
+ * Tests the kubernetes IPAM encoding.
+ */
+ @Test
+ public void testK8sIpamEncode() {
+ K8sIpam ipam = new DefaultK8sIpam(
+ IpAddress.valueOf("10.10.10.10"), "network-1");
+
+ ObjectNode nodeJson = k8sIpamCodec.encode(ipam, context);
+ assertThat(nodeJson, matchesK8sIpam(ipam));
+ }
+
+ /**
+ * Tests the kubernetes IPAM decoding.
+ */
+ @Test
+ public void testK8sIpamDecode() throws IOException {
+ K8sIpam ipam = getK8sIpam("K8sIpam.json");
+
+ assertEquals("10.10.10.2", ipam.ipAddress().toString());
+ assertEquals("network-1", ipam.networkId());
+ }
+
+ /**
+ * Reads in an kubernetes IPAM from the given resource and decodes it.
+ *
+ * @param resourceName resource to use to read the JSON for the rule
+ * @return decoded kubernetes node
+ * @throws IOException if processing the resource fails
+ */
+ private K8sIpam getK8sIpam(String resourceName) throws IOException {
+ InputStream jsonStream = K8sIpamCodecTest.class.getResourceAsStream(resourceName);
+ JsonNode json = context.mapper().readTree(jsonStream);
+ MatcherAssert.assertThat(json, notNullValue());
+ K8sIpam node = k8sIpamCodec.decode((ObjectNode) json, context);
+ assertThat(node, notNullValue());
+ return node;
+ }
+
+ /**
+ * Mock codec context for use in codec unit tests.
+ */
+ private class MockCodecContext implements CodecContext {
+ private final ObjectMapper mapper = new ObjectMapper();
+ private final CodecManager manager = new CodecManager();
+ private final Map<Class<?>, Object> services = new HashMap<>();
+
+ /**
+ * Constructs a new mock codec context.
+ */
+ public MockCodecContext() {
+ manager.activate();
+ }
+
+ @Override
+ public ObjectMapper mapper() {
+ return mapper;
+ }
+
+ @Override
+ @SuppressWarnings("unchecked")
+ public <T> JsonCodec<T> codec(Class<T> entityClass) {
+ if (entityClass == K8sIpam.class) {
+ return (JsonCodec<T>) k8sIpamCodec;
+ }
+ return manager.getCodec(entityClass);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public <T> T getService(Class<T> serviceClass) {
+ return (T) services.get(serviceClass);
+ }
+
+ // for registering mock services
+ public <T> void registerService(Class<T> serviceClass, T impl) {
+ services.put(serviceClass, impl);
+ }
+ }
+}