content: /*
   * 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.beam.sdk.extensions.protobuf;
  
  import static org.apache.beam.sdk.testing.CoderProperties.ALL_CONTEXTS;
  import static org.junit.Assert.assertEquals;
  
  import com.google.protobuf.DynamicMessage;
  import java.io.ObjectStreamClass;
  import org.apache.beam.sdk.coders.Coder;
  import org.apache.beam.sdk.extensions.protobuf.Proto2CoderTestMessages.MessageA;
  import org.apache.beam.sdk.extensions.protobuf.Proto2CoderTestMessages.MessageB;
  import org.apache.beam.sdk.testing.CoderProperties;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link ProtoCoder}. */
  @RunWith(JUnit4.class)
  public class DynamicProtoCoderTest {
  
    @Rule public ExpectedException thrown = ExpectedException.none();
  
    @Test
    public void testDynamicMessage() throws Exception {
      DynamicMessage message =
          DynamicMessage.newBuilder(MessageA.getDescriptor())
              .setField(
                  MessageA.getDescriptor().findFieldByNumber(MessageA.FIELD1_FIELD_NUMBER), "foo")
              .build();
      Coder<DynamicMessage> coder = DynamicProtoCoder.of(message.getDescriptorForType());
  
      // Special code to check the DynamicMessage equality (@see IsDynamicMessageEqual)
      for (Coder.Context context : ALL_CONTEXTS) {
        CoderProperties.coderDecodeEncodeInContext(
            coder, context, message, IsDynamicMessageEqual.equalTo(message));
      }
    }
  
    @Test
    public void testDynamicNestedRepeatedMessage() throws Exception {
      DynamicMessage message =
          DynamicMessage.newBuilder(MessageA.getDescriptor())
              .setField(
                  MessageA.getDescriptor().findFieldByNumber(MessageA.FIELD1_FIELD_NUMBER), "foo")
              .addRepeatedField(
                  MessageA.getDescriptor().findFieldByNumber(MessageA.FIELD2_FIELD_NUMBER),
                  DynamicMessage.newBuilder(MessageB.getDescriptor())
                      .setField(
                          MessageB.getDescriptor().findFieldByNumber(MessageB.FIELD1_FIELD_NUMBER),
                          true)
                      .build())
              .addRepeatedField(
                  MessageA.getDescriptor().findFieldByNumber(MessageA.FIELD2_FIELD_NUMBER),
                  DynamicMessage.newBuilder(MessageB.getDescriptor())
                      .setField(
                          MessageB.getDescriptor().findFieldByNumber(MessageB.FIELD1_FIELD_NUMBER),
                          false)
                      .build())
              .build();
      Coder<DynamicMessage> coder = DynamicProtoCoder.of(message.getDescriptorForType());
  
      // Special code to check the DynamicMessage equality (@see IsDynamicMessageEqual)
      for (Coder.Context context : ALL_CONTEXTS) {
        CoderProperties.coderDecodeEncodeInContext(
            coder, context, message, IsDynamicMessageEqual.equalTo(message));
      }
    }
  
    @Test
    public void testSerialVersionID() {
      long serialVersionID = ObjectStreamClass.lookup(DynamicProtoCoder.class).getSerialVersionUID();
      assertEquals(1L, serialVersionID);
    }
  }
  