/**
* Copyright 2011 Nube Technologies
*
* Licensed 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 co.nubetech.hiho.dedup;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import org.apache.hadoop.io.ArrayWritable;
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.MD5Hash;
import org.apache.hadoop.io.Text;
import org.junit.Test;
public class TestHashUtility {
@Test
public void testMD5HashForTextValueValue() throws IOException {
Text key = new Text("abc2hf123");
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForStringValue() throws IOException {
String key = new String("abc2hf123");
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForLongWritableKey() throws IOException {
LongWritable key = new LongWritable(Long.parseLong("123"));
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForBytesWritableKey() throws IOException {
BytesWritable key = new BytesWritable("abc123".getBytes());
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForIntWritableKey() throws IOException {
IntWritable key = new IntWritable(123);
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForArrayWritableKey() throws IOException {
ArrayWritable key = new ArrayWritable(new String[] { "abc123" });
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForBooleanWritableKey() throws IOException {
BooleanWritable key = new BooleanWritable(true);
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForFloatWritableKey() throws IOException {
FloatWritable key = new FloatWritable(1.025f);
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForByteWritableKey() throws IOException {
ByteWritable key = new ByteWritable(new Byte("123"));
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
@Test
public void testMD5HashForDoubleWritableKey() throws IOException {
DoubleWritable key = new DoubleWritable(123d);
MD5Hash md5HashKey1 = HashUtility.getMD5Hash(key);
MD5Hash md5HashKey2 = HashUtility.getMD5Hash(key);
assertEquals(md5HashKey1, md5HashKey2);
}
}