/**
* 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.typedbytes;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
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.MapWritable;
import org.apache.hadoop.io.ObjectWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.VIntWritable;
import org.apache.hadoop.io.VLongWritable;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.record.Buffer;
import org.apache.hadoop.record.RecRecord0;
import org.apache.hadoop.record.RecRecord1;
import junit.framework.TestCase;
public class TestIO extends TestCase {
private File tmpfile;
protected void setUp() throws Exception {
this.tmpfile = new File(System.getProperty("test.build.data", "/tmp"),
"typedbytes.bin");
}
protected void tearDown() throws Exception {
tmpfile.delete();
}
public void testIO() throws IOException {
ArrayList<Object> vector = new ArrayList<Object>();
vector.add("test");
vector.add(false);
vector.add(12345);
List<Object> list = new LinkedList<Object>();
list.add("another test");
list.add(true);
list.add(123456789L);
Map<Object, Object> map = new HashMap<Object, Object>();
map.put("one", 1);
map.put("vector", vector);
Object[] objects = new Object[] {
new Buffer(new byte[] { 1, 2, 3, 4 }),
(byte) 123, true, 12345, 123456789L, (float) 1.2, 1.234,
"random string", vector, list, map
};
byte[] appSpecificBytes = new byte[] { 1, 2, 3 };
FileOutputStream ostream = new FileOutputStream(tmpfile);
DataOutputStream dostream = new DataOutputStream(ostream);
TypedBytesOutput out = new TypedBytesOutput(dostream);
for (Object obj : objects) {
out.write(obj);
}
out.writeBytes(appSpecificBytes, 100);
dostream.close();
ostream.close();
FileInputStream istream = new FileInputStream(tmpfile);
DataInputStream distream = new DataInputStream(istream);
TypedBytesInput in = new TypedBytesInput(distream);
for (Object obj : objects) {
assertEquals(obj, in.read());
}
assertEquals(new Buffer(appSpecificBytes), in.read());
distream.close();
istream.close();
istream = new FileInputStream(tmpfile);
distream = new DataInputStream(istream);
in = new TypedBytesInput(distream);
for (Object obj : objects) {
byte[] bytes = in.readRaw();
ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
DataInputStream dis = new DataInputStream(bais);
assertEquals(obj, (new TypedBytesInput(dis)).read());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
TypedBytesOutput tbout = new TypedBytesOutput(new DataOutputStream(baos));
tbout.writeRaw(bytes);
bais = new ByteArrayInputStream(bytes);
dis = new DataInputStream(bais);
assertEquals(obj, (new TypedBytesInput(dis)).read());
}
byte[] rawBytes = in.readRaw();
assertEquals(new Buffer(appSpecificBytes),
new Buffer(rawBytes, 5, rawBytes.length - 5));
distream.close();
istream.close();
}
public void testCustomTypesIO() throws IOException {
byte[] rawBytes = new byte[] { 100, 0, 0, 0, 3, 1, 2, 3 };
FileOutputStream ostream = new FileOutputStream(tmpfile);
DataOutputStream dostream = new DataOutputStream(ostream);
TypedBytesOutput out = new TypedBytesOutput(dostream);
out.writeRaw(rawBytes);
dostream.close();
ostream.close();
FileInputStream istream = new FileInputStream(tmpfile);
DataInputStream distream = new DataInputStream(istream);
TypedBytesInput in = new TypedBytesInput(distream);
assertTrue(Arrays.equals(rawBytes, in.readRaw()));
distream.close();
istream.close();
}
public void testRecordIO() throws IOException {
RecRecord1 r1 = new RecRecord1();
r1.setBoolVal(true);
r1.setByteVal((byte) 0x66);
r1.setFloatVal(3.145F);
r1.setDoubleVal(1.5234);
r1.setIntVal(-4567);
r1.setLongVal(-2367L);
r1.setStringVal("random text");
r1.setBufferVal(new Buffer());
r1.setVectorVal(new ArrayList<String>());
r1.setMapVal(new TreeMap<String, String>());
RecRecord0 r0 = new RecRecord0();
r0.setStringVal("other random text");
r1.setRecordVal(r0);
FileOutputStream ostream = new FileOutputStream(tmpfile);
DataOutputStream dostream = new DataOutputStream(ostream);
TypedBytesRecordOutput out = TypedBytesRecordOutput.get(dostream);
r1.serialize(out, "");
dostream.close();
ostream.close();
FileInputStream istream = new FileInputStream(tmpfile);
DataInputStream distream = new DataInputStream(istream);
TypedBytesRecordInput in = TypedBytesRecordInput.get(distream);
RecRecord1 r2 = new RecRecord1();
r2.deserialize(in, "");
distream.close();
istream.close();
assertEquals(r1, r2);
}
public void testWritableIO() throws IOException {
Writable[] vectorValues = new Writable[] {
new Text("test1"), new Text("test2"), new Text("test3")
};
ArrayWritable vector = new ArrayWritable(Text.class, vectorValues);
MapWritable map = new MapWritable();
map.put(new Text("one"), new VIntWritable(1));
map.put(new Text("two"), new VLongWritable(2));
Writable[] writables = new Writable[] {
new BytesWritable(new byte[] { 1, 2, 3, 4 }),
new ByteWritable((byte) 123), new BooleanWritable(true),
new VIntWritable(12345), new VLongWritable(123456789L),
new FloatWritable((float) 1.2), new DoubleWritable(1.234),
new Text("random string"),
new ObjectWritable("test")
};
TypedBytesWritable tbw = new TypedBytesWritable();
tbw.setValue("typed bytes text");
RecRecord1 r1 = new RecRecord1();
r1.setBoolVal(true);
r1.setByteVal((byte) 0x66);
r1.setFloatVal(3.145F);
r1.setDoubleVal(1.5234);
r1.setIntVal(-4567);
r1.setLongVal(-2367L);
r1.setStringVal("random text");
r1.setBufferVal(new Buffer());
r1.setVectorVal(new ArrayList<String>());
r1.setMapVal(new TreeMap<String, String>());
RecRecord0 r0 = new RecRecord0();
r0.setStringVal("other random text");
r1.setRecordVal(r0);
FileOutputStream ostream = new FileOutputStream(tmpfile);
DataOutputStream dostream = new DataOutputStream(ostream);
TypedBytesWritableOutput out = new TypedBytesWritableOutput(dostream);
for (Writable w : writables) {
out.write(w);
}
out.write(tbw);
out.write(vector);
out.write(map);
out.write(r1);
dostream.close();
ostream.close();
FileInputStream istream = new FileInputStream(tmpfile);
DataInputStream distream = new DataInputStream(istream);
TypedBytesWritableInput in = new TypedBytesWritableInput(distream);
for (Writable w : writables) {
assertEquals(w.toString(), in.read().toString());
}
assertEquals(tbw.getValue().toString(), in.read().toString());
assertEquals(ArrayWritable.class, in.readType());
ArrayWritable aw = in.readArray();
Writable[] writables1 = vector.get(), writables2 = aw.get();
assertEquals(writables1.length, writables2.length);
for (int i = 0; i < writables1.length; i++) {
assertEquals(((Text) writables1[i]).toString(),
((TypedBytesWritable) writables2[i]).getValue());
}
assertEquals(MapWritable.class, in.readType());
MapWritable mw = in.readMap();
assertEquals(map.entrySet(), mw.entrySet());
assertEquals(Type.LIST, TypedBytesInput.get(distream).readType());
assertEquals(r1.getBoolVal(), TypedBytesInput.get(distream).read());
assertEquals(r1.getByteVal(), TypedBytesInput.get(distream).read());
assertEquals(r1.getIntVal(), TypedBytesInput.get(distream).read());
assertEquals(r1.getLongVal(), TypedBytesInput.get(distream).read());
assertEquals(r1.getFloatVal(), TypedBytesInput.get(distream).read());
assertEquals(r1.getDoubleVal(), TypedBytesInput.get(distream).read());
assertEquals(r1.getStringVal(), TypedBytesInput.get(distream).read());
Object prevObj = null, obj = TypedBytesInput.get(distream).read();
while (obj != null) {
prevObj = obj;
obj = TypedBytesInput.get(distream).read();
}
List recList = (List) prevObj;
assertEquals(r0.getStringVal(), recList.get(0));
distream.close();
istream.close();
}
}