code: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.skywalking.oap.server.receiver.trace.provider.parser.listener.segment;
  
  import java.io.IOException;
  import org.apache.skywalking.apm.network.common.v3.Command;
  import org.apache.skywalking.apm.network.common.v3.Commands;
  import org.apache.skywalking.apm.network.language.agent.v3.SegmentObject;
  import org.apache.skywalking.apm.network.language.agent.v3.SpanLayer;
  import org.apache.skywalking.oap.server.library.util.ProtoBufJsonUtils;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  public class ProtoBufJsonUtilsTest {
      @Test
      public void testProtoBuf() throws IOException {
          String json = "{\n" +
              "  \"spans\": [\n" +
              "    {\n" +
              "      \"operationName\": \"/tier2/lb\",\n" +
              "      \"startTime\": 1582526028207,\n" +
              "      \"endTime\": 1582526028221,\n" +
              "      \"spanType\": \"Exit\",\n" +
              "      \"spanId\": 1,\n" +
              "      \"isError\": false,\n" +
              "      \"parentSpanId\": 0,\n" +
              "      \"componentId\": 6000,\n" +
              "      \"peer\": \"User Service Name-nginx:upstream_ip:port\",\n" +
              "      \"spanLayer\": \"Http\"\n" +
              "    },\n" +
              "    {\n" +
              "      \"operationName\": \"/tier2/lb\",\n" +
              "      \"startTime\": 1582526028207,\n" +
              "      \"tags\": [\n" +
              "        {\n" +
              "          \"key\": \"http.method\",\n" +
              "          \"value\": \"GET\"\n" +
              "        },\n" +
              "        {\n" +
              "          \"key\": \"http.params\",\n" +
              "          \"value\": \"http://127.0.0.1/tier2/lb\"\n" +
              "        }\n" +
              "      ],\n" +
              "      \"endTime\": 1582526028221,\n" +
              "      \"spanType\": \"Entry\",\n" +
              "      \"spanId\": 0,\n" +
              "      \"isError\": false,\n" +
              "      \"parentSpanId\": -1,\n" +
              "      \"componentId\": 6000,\n" +
              "      \"refs\": [\n" +
              "        {\n" +
              "          \"parentTraceId\": \"abc.mocktraceid\",\n" +
              "          \"parentTraceSegmentId\": \"abc.mocksegmentid\",\n" +
              "          \"parentEndpointName\": \"/access/uri\",\n" +
              "          \"parentService\": \"service\",\n" +
              "          \"parentServiceInstance\": \"instance\",\n" +
              "          \"networkAddress\": \"#User Service Name-nginx:upstream_ip:port\",\n" +
              "          \"parentSpanId\": 1,\n" +
              "          \"networkAddressUsedAtPeer\": \"127.0.0.1\"\n" +
              "        }\n" +
              "      ],\n" +
              "      \"spanLayer\": \"Http\"\n" +
              "    }\n" +
              "  ],\n" +
              "  \"serviceInstance\": \"instance\",\n" +
              "  \"service\": \"service\",\n" +
              "  \"traceSegmentId\": \"mocksegmentid\",\n" +
              "  \"traceId\": \"mocktraceid\"\n" +
              "}";
  
          SegmentObject.Builder segBuilder = SegmentObject.newBuilder();
          ProtoBufJsonUtils.fromJSON(json, segBuilder);
          SegmentObject segmentObject = segBuilder.build();
          Assertions.assertEquals("mocktraceid", segmentObject.getTraceId());
          Assertions.assertEquals(2, segmentObject.getSpansCount());
          Assertions.assertEquals(SpanLayer.Http, segmentObject.getSpans(0).getSpanLayer());
  
      }
  
      @Test
      public void testToJson() throws IOException {
          String json = "{\n" +
              "  \"commands\": [{\n" +
              "  }]\n" +
              "}";
          Command command = Command.newBuilder().build();
          final Commands nextCommands = Commands.newBuilder().addCommands(command).build();
          Assertions.assertEquals(json, ProtoBufJsonUtils.toJSON(nextCommands));
      }
  }
  