/**
* 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.avro.hadoop.io;
import static org.junit.Assert.*;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericFixed;
import org.apache.avro.mapred.AvroKey;
import org.apache.avro.mapred.AvroValue;
import org.apache.avro.mapreduce.AvroJob;
import org.apache.hadoop.io.BooleanWritable;
import org.apache.hadoop.io.ByteWritable;
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.DoubleWritable;
import org.apache.hadoop.io.FloatWritable;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.junit.Before;
import org.junit.Test;
public class TestAvroDatumConverterFactory {
private Job mJob;
private AvroDatumConverterFactory mFactory;
@Before
public void setup() throws IOException {
mJob = new Job();
mFactory = new AvroDatumConverterFactory(mJob.getConfiguration());
}
@Test
public void testConvertAvroKey() throws IOException {
AvroJob.setOutputKeySchema(mJob, Schema.create(Schema.Type.STRING));
AvroKey<CharSequence> avroKey = new AvroKey<CharSequence>("foo");
@SuppressWarnings("unchecked")
AvroDatumConverter<AvroKey<CharSequence>, ?> converter = mFactory.create(
(Class<AvroKey<CharSequence>>) avroKey.getClass());
assertEquals("foo", converter.convert(avroKey).toString());
}
@Test
public void testConvertAvroValue() throws IOException {
AvroJob.setOutputValueSchema(mJob, Schema.create(Schema.Type.INT));
AvroValue<Integer> avroValue = new AvroValue<Integer>(42);
@SuppressWarnings("unchecked")
AvroDatumConverter<AvroValue<Integer>, Integer> converter = mFactory.create(
(Class<AvroValue<Integer>>) avroValue.getClass());
assertEquals(42, converter.convert(avroValue).intValue());
}
@Test
public void testConvertBooleanWritable() {
AvroDatumConverter<BooleanWritable, Boolean> converter
= mFactory.create(BooleanWritable.class);
assertEquals(true, converter.convert(new BooleanWritable(true)).booleanValue());
}
@Test
public void testConvertBytesWritable() {
AvroDatumConverter<BytesWritable, ByteBuffer> converter = mFactory.create(BytesWritable.class);
ByteBuffer bytes = converter.convert(new BytesWritable(new byte[] { 1, 2, 3 }));
assertEquals(1, bytes.get(0));
assertEquals(2, bytes.get(1));
assertEquals(3, bytes.get(2));
}
@Test
public void testConvertByteWritable() {
AvroDatumConverter<ByteWritable, GenericFixed> converter = mFactory.create(ByteWritable.class);
assertEquals(42, converter.convert(new ByteWritable((byte) 42)).bytes()[0]);
}
@Test
public void testConvertDoubleWritable() {
AvroDatumConverter<DoubleWritable, Double> converter = mFactory.create(DoubleWritable.class);
assertEquals(2.0, converter.convert(new DoubleWritable(2.0)).doubleValue(), 0.00001);
}
@Test
public void testConvertFloatWritable() {
AvroDatumConverter<FloatWritable, Float> converter = mFactory.create(FloatWritable.class);
assertEquals(2.2f, converter.convert(new FloatWritable(2.2f)).floatValue(), 0.00001);
}
@Test
public void testConvertIntWritable() {
AvroDatumConverter<IntWritable, Integer> converter = mFactory.create(IntWritable.class);
assertEquals(2, converter.convert(new IntWritable(2)).intValue());
}
@Test
public void testConvertLongWritable() {
AvroDatumConverter<LongWritable, Long> converter = mFactory.create(LongWritable.class);
assertEquals(123L, converter.convert(new LongWritable(123L)).longValue());
}
@Test
public void testConvertNullWritable() {
AvroDatumConverter<NullWritable, Object> converter = mFactory.create(NullWritable.class);
assertNull(converter.convert(NullWritable.get()));
}
@Test
public void testConvertText() {
AvroDatumConverter<Text, CharSequence> converter = mFactory.create(Text.class);
assertEquals("foo", converter.convert(new Text("foo")).toString());
}
}