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 java.io.File;
  import java.io.IOException;
  import java.time.Instant;
  
  import example.avro.Bar;
  import org.apache.avro.file.DataFileReader;
  import org.apache.avro.file.DataFileWriter;
  import org.apache.avro.generic.GenericData;
  import org.apache.avro.generic.GenericDatumWriter;
  import org.apache.avro.reflect.ReflectDatumReader;
  import org.apache.avro.reflect.ReflectDatumWriter;
  import org.apache.avro.specific.SpecificDatumReader;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.io.TempDir;
  
  public class TestDataFileReflect {
  
    @TempDir
    public File DIR;
  
    @Test
    public void reflectDatumReaderUnionWithLogicalType() throws IOException {
      File file = new File(DIR.getPath(), "testReflectDatumReaderUnionWithLogicalType");
      Schema schema = Bar.SCHEMA$;
      // Create test data
      Instant value = Instant.now();
      try (DataFileWriter<GenericData.Record> writer = new DataFileWriter<>(
          new GenericDatumWriter<GenericData.Record>(schema)).create(schema, file)) {
        for (int i = 0; i < 10; i++) {
          GenericData.Record r = new GenericData.Record(schema);
          r.put("title", "title" + i);
          r.put("created_at", value.toEpochMilli() + i * 1000);
          writer.append(r);
        }
      }
  
      // read using a 'new ReflectDatumReader<T>()' to force inference of
      // reader's schema from runtime
      try (DataFileReader<Bar> reader = new DataFileReader<>(file, new ReflectDatumReader<>())) {
        int i = 0;
        for (Bar instance : reader) {
          assertEquals("title" + i, instance.getTitle());
          assertEquals(Instant.ofEpochMilli(value.plusSeconds(i).toEpochMilli()), instance.getCreatedAt());
          i++;
        }
        assertEquals(10, i);
      }
    }
  
    @Test
    public void reflectDatumWriterUnionWithLogicalType() throws IOException {
      File file = new File(DIR.getPath(), "testReflectDatumWriterUnionWithLogicalType");
  
      // Create test data
      Instant value = Instant.now();
      try (DataFileWriter<Bar> writer = new DataFileWriter<>(new ReflectDatumWriter<Bar>()).create(Bar.SCHEMA$, file)) {
        for (int i = 0; i < 10; i++) {
          Bar r = Bar.newBuilder().setTitle("title" + i).setCreatedAt(value.plusSeconds(i)).build();
          writer.append(r);
        }
      }
  
      // read using a 'new SpecificDatumReader<T>()' to force inference of
      // reader's schema from runtime
      try (DataFileReader<Bar> reader = new DataFileReader<>(file, new SpecificDatumReader<>())) {
        int i = 0;
        for (Bar instance : reader) {
          assertEquals("title" + i, instance.getTitle());
          assertEquals(Instant.ofEpochMilli(value.plusSeconds(i).toEpochMilli()), instance.getCreatedAt());
          i++;
        }
        assertEquals(10, i);
      }
    }
  }
  