[ONOS-7683] Add JSON codecs for FlowInfo and StatsInfo with tests
Change-Id: I12560e5f72e704a72a59465de347ddb32051aabb
diff --git a/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/FlowInfoJsonCodecTest.java b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/FlowInfoJsonCodecTest.java
new file mode 100644
index 0000000..aed2b76
--- /dev/null
+++ b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/codec/FlowInfoJsonCodecTest.java
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2018-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.openstacktelemetry.codec;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.TpPort;
+import org.onlab.packet.VlanId;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.DeviceId;
+import org.onosproject.openstacktelemetry.api.FlowInfo;
+import org.onosproject.openstacktelemetry.api.StatsInfo;
+import org.onosproject.openstacktelemetry.impl.DefaultFlowInfo;
+import org.onosproject.openstacktelemetry.impl.DefaultStatsInfo;
+
+import java.util.HashMap;
+import java.util.Map;
+
+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.net.NetTestTools.APP_ID;
+import static org.onosproject.openstacktelemetry.codec.FlowInfoJsonMatcher.matchesFlowInfo;
+
+/**
+ * Unit tests for FlowInfo codec.
+ */
+public class FlowInfoJsonCodecTest {
+ MockCodecContext context;
+ JsonCodec<FlowInfo> flowInfoCodec;
+ JsonCodec<StatsInfo> statsInfoCodec;
+ final CoreService mockCoreService = createMock(CoreService.class);
+ private static final String REST_APP_ID = "org.onosproject.rest";
+
+ private static final int INPUT_INTERFACE_ID = 1;
+ private static final int OUTPUT_INTERFACE_ID = 2;
+
+ private static final int VLAN_ID = 1;
+ private static final int PROTOCOL = 1;
+ private static final int FLOW_TYPE = 1;
+ private static final String DEVICE_ID = "foo";
+
+ private static final String SRC_IP_ADDRESS = "10.10.10.1";
+ private static final int SRC_IP_PREFIX = 24;
+ private static final String DST_IP_ADDRESS = "20.20.20.1";
+ private static final int DST_IP_PREFIX = 24;
+ private static final int SRC_PORT = 1000;
+ private static final int DST_PORT = 2000;
+ private static final String SRC_MAC_ADDRESS = "AA:BB:CC:DD:EE:FF";
+ private static final String DST_MAC_ADDRESS = "FF:EE:DD:CC:BB:AA";
+
+ private static final long LONG_VALUE = 1L;
+ private static final int INTEGER_VALUE = 1;
+ private static final short SHORT_VALUE = (short) 1;
+
+
+ @Before
+ public void setUp() {
+ context = new MockCodecContext();
+ flowInfoCodec = new FlowInfoJsonCodec();
+ statsInfoCodec = new StatsInfoJsonCodec();
+
+ assertThat(flowInfoCodec, notNullValue());
+ assertThat(statsInfoCodec, notNullValue());
+
+ expect(mockCoreService.registerApplication(REST_APP_ID))
+ .andReturn(APP_ID).anyTimes();
+ replay(mockCoreService);
+ context.registerService(CoreService.class, mockCoreService);
+ }
+
+ /**
+ * Tests the flow info encoding.
+ */
+ @Test
+ public void testEncode() {
+ StatsInfo statsInfo = new DefaultStatsInfo.DefaultBuilder()
+ .withStartupTime(LONG_VALUE)
+ .withFstPktArrTime(LONG_VALUE)
+ .withLstPktOffset(INTEGER_VALUE)
+ .withPrevAccBytes(LONG_VALUE)
+ .withPrevAccPkts(INTEGER_VALUE)
+ .withCurrAccBytes(LONG_VALUE)
+ .withCurrAccPkts(INTEGER_VALUE)
+ .withErrorPkts(SHORT_VALUE)
+ .withDropPkts(SHORT_VALUE)
+ .build();
+ FlowInfo flowInfo = new DefaultFlowInfo.DefaultBuilder()
+ .withFlowType((byte) FLOW_TYPE)
+ .withDeviceId(DeviceId.deviceId(DEVICE_ID))
+ .withInputInterfaceId(INPUT_INTERFACE_ID)
+ .withOutputInterfaceId(OUTPUT_INTERFACE_ID)
+ .withVlanId(VlanId.vlanId((short) VLAN_ID))
+ .withSrcIp(IpPrefix.valueOf(
+ IpAddress.valueOf(SRC_IP_ADDRESS), SRC_IP_PREFIX))
+ .withDstIp(IpPrefix.valueOf(
+ IpAddress.valueOf(DST_IP_ADDRESS), DST_IP_PREFIX))
+ .withSrcPort(TpPort.tpPort(SRC_PORT))
+ .withDstPort(TpPort.tpPort(DST_PORT))
+ .withProtocol((byte) PROTOCOL)
+ .withSrcMac(MacAddress.valueOf(SRC_MAC_ADDRESS))
+ .withDstMac(MacAddress.valueOf(DST_MAC_ADDRESS))
+ .withStatsInfo(statsInfo)
+ .build();
+
+ ObjectNode nodeJson = flowInfoCodec.encode(flowInfo, context);
+ assertThat(nodeJson, matchesFlowInfo(flowInfo));
+ }
+
+ /**
+ * 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 == FlowInfo.class) {
+ return (JsonCodec<T>) flowInfoCodec;
+ }
+ if (entityClass == StatsInfo.class) {
+ return (JsonCodec<T>) statsInfoCodec;
+ }
+ 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);
+ }
+ }
+}