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 java.io.File;
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.stream.Stream;
  
  import org.apache.avro.file.DataFileReader;
  import org.apache.avro.file.DataFileWriter;
  import org.apache.avro.generic.GenericDatumReader;
  import org.apache.avro.generic.GenericDatumWriter;
  import org.apache.avro.generic.GenericRecord;
  import org.apache.avro.io.DatumWriter;
  import org.junit.jupiter.params.ParameterizedTest;
  import org.junit.jupiter.params.provider.Arguments;
  import org.junit.jupiter.params.provider.MethodSource;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class TestSchemaCommons {
    private static final Logger LOG = LoggerFactory.getLogger(TestSchemaCommons.class);
  
    @ParameterizedTest
    @MethodSource("sharedFolders")
    void runFolder(final File folder) throws IOException {
      final File schemaSource = new File(folder, "schema.json");
      final File data = new File(folder, "data.avro");
  
      if (!schemaSource.exists()) {
        LOG.warn("No 'schema.json' file on folder {}", folder.getPath());
        return;
      }
      final Schema schema = new Schema.Parser().parse(schemaSource);
      assertNotNull(schema);
  
      if (!data.exists()) {
        LOG.warn("No 'data.avro' file on folder {}", folder.getPath());
        return;
      }
  
      // output file
      final String rootTest = Thread.currentThread().getContextClassLoader().getResource(".").getPath();
      final File copyData = new File(rootTest, "copy.avro");
  
      // Deserialize from disk
      DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<>(schema);
      GenericDatumReader<GenericRecord> datumReader = new GenericDatumReader<>(schema);
      try (DataFileReader<GenericRecord> dataFileReader = new DataFileReader<>(data, datumReader);
          DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<>(datumWriter)) {
        dataFileWriter.create(schema, copyData);
        GenericRecord record = null;
        int counter = 0;
        while (dataFileReader.hasNext()) {
          record = dataFileReader.next();
          counter++;
          assertNotNull(record);
          dataFileWriter.append(record);
        }
        assertTrue(counter > 0, "no data in file");
      }
  
      // Cleanup
      assertTrue(copyData.delete());
    }
  
    public static Stream<Arguments> sharedFolders() {
      File root = new File("target/test-classes/share/test/data/schemas");
      return Arrays.stream(root.listFiles(File::isDirectory)).map(Arguments::of);
    }
  
  }
  