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
   *
   *     https://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.avro;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  
  import org.apache.avro.Schema.Type;
  import org.apache.avro.file.CodecFactory;
  import org.apache.avro.file.DataFileStream;
  import org.apache.avro.file.DataFileWriter;
  import org.apache.avro.generic.GenericDatumReader;
  import org.apache.avro.generic.GenericDatumWriter;
  import org.apache.avro.util.Utf8;
  import org.junit.jupiter.api.Test;
  
  /** Simple test of DataFileWriter and DataFileStream with deflate codec. */
  public class TestDataFileDeflate {
    @Test
    void writeAndRead() throws IOException {
      Schema schema = Schema.create(Type.STRING);
  
      // Write it
      DataFileWriter<Utf8> w = new DataFileWriter<>(new GenericDatumWriter<>(schema));
      w.setCodec(CodecFactory.deflateCodec(6));
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      w.create(schema, baos);
      w.append(new Utf8("hello world"));
      w.append(new Utf8("hello moon"));
      w.sync();
      w.append(new Utf8("bye bye world"));
      w.append(new Utf8("bye bye moon"));
      w.close();
  
      // Read it
      try (DataFileStream<Utf8> r = new DataFileStream<>(new ByteArrayInputStream(baos.toByteArray()),
          new GenericDatumReader<>(schema))) {
        assertEquals("hello world", r.next().toString());
        assertEquals("hello moon", r.next().toString());
        assertEquals("bye bye world", r.next().toString());
        assertEquals("bye bye moon", r.next().toString());
        assertFalse(r.hasNext());
      }
    }
  }
  