/**
 * 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.hadoop.io.serializer.avro;

import java.util.HashMap;
import java.util.Map;

import junit.framework.TestCase;

import org.apache.avro.util.Utf8;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.serializer.SerializationBase;
import org.apache.hadoop.io.serializer.SerializationTestUtil;

public class TestAvroSerialization extends TestCase {

  private static final Configuration conf = new Configuration();

  public void testSpecific() throws Exception {
    AvroRecord before = new AvroRecord();
    before.intField = 5;
    AvroRecord after = SerializationTestUtil.testSerialization(conf, before);
    assertEquals(before, after);
  }

  public void testReflectPkg() throws Exception {
    Record before = new Record();
    before.x = 10;
    conf.set(AvroReflectSerialization.AVRO_REFLECT_PACKAGES, 
        before.getClass().getPackage().getName());
    Record after = SerializationTestUtil.testSerialization(conf, before);
    assertEquals(before, after);
  }

  public void testReflectInnerClass() throws Exception {
    InnerRecord before = new InnerRecord();
    before.x = 10;
    conf.set(AvroReflectSerialization.AVRO_REFLECT_PACKAGES, 
        before.getClass().getPackage().getName());
    InnerRecord after = SerializationTestUtil.testSerialization(conf, before);
    assertEquals(before, after);
  }

  public void testReflect() throws Exception {
    RefSerializable before = new RefSerializable();
    before.x = 10;
    RefSerializable after = 
      SerializationTestUtil.testSerialization(conf, before);
    assertEquals(before, after);
  }
  
  public void testGeneric() throws Exception {
    Utf8 before = new Utf8("hadoop");
    Map<String, String> metadata = new HashMap<String, String>();
    metadata.put(SerializationBase.SERIALIZATION_KEY,
      AvroGenericSerialization.class.getName());
    metadata.put(AvroSerialization.AVRO_SCHEMA_KEY, "\"string\"");
    Utf8 after = SerializationTestUtil.testSerialization(conf, metadata, before);
    assertEquals(before, after);
  }

  public static class InnerRecord {
    public int x = 7;

    public int hashCode() {
      return x;
    }

    public boolean equals(Object obj) {
      if (this == obj)
        return true;
      if (obj == null)
        return false;
      if (getClass() != obj.getClass())
        return false;
      final InnerRecord other = (InnerRecord) obj;
      if (x != other.x)
        return false;
      return true;
    }
  }

  public static class RefSerializable implements AvroReflectSerializable {
    public int x = 7;

    public int hashCode() {
      return x;
    }

    public boolean equals(Object obj) {
      if (this == obj)
        return true;
      if (obj == null)
        return false;
      if (getClass() != obj.getClass())
        return false;
      final RefSerializable other = (RefSerializable) obj;
      if (x != other.x)
        return false;
      return true;
    }
  }
}