TestRecordIO.java
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上传日期:2018-01-08
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- /**
- * 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.record;
- import java.io.IOException;
- import junit.framework.*;
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.util.ArrayList;
- import java.util.TreeMap;
- /**
- */
- public class TestRecordIO extends TestCase {
-
- public TestRecordIO(String testName) {
- super(testName);
- }
- protected void setUp() throws Exception {
- }
- protected void tearDown() throws Exception {
- }
-
- public void testBinary() {
- File tmpfile;
- try {
- tmpfile = File.createTempFile("hadooprec", ".dat");
- FileOutputStream ostream = new FileOutputStream(tmpfile);
- BinaryRecordOutput out = new BinaryRecordOutput(ostream);
- 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);
- r1.serialize(out, "");
- ostream.close();
- FileInputStream istream = new FileInputStream(tmpfile);
- BinaryRecordInput in = new BinaryRecordInput(istream);
- RecRecord1 r2 = new RecRecord1();
- r2.deserialize(in, "");
- istream.close();
- tmpfile.delete();
- assertTrue("Serialized and deserialized records do not match.", r1.equals(r2));
- } catch (IOException ex) {
- ex.printStackTrace();
- }
- }
-
- public void testCsv() {
- File tmpfile;
- try {
- tmpfile = File.createTempFile("hadooprec", ".txt");
- FileOutputStream ostream = new FileOutputStream(tmpfile);
- CsvRecordOutput out = new CsvRecordOutput(ostream);
- RecRecord1 r1 = new RecRecord1();
- r1.setBoolVal(true);
- r1.setByteVal((byte)0x66);
- r1.setFloatVal(3.145F);
- r1.setDoubleVal(1.5234);
- r1.setIntVal(4567);
- r1.setLongVal(0x5a5a5a5a5a5aL);
- 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);
- r1.serialize(out, "");
- ostream.close();
- FileInputStream istream = new FileInputStream(tmpfile);
- CsvRecordInput in = new CsvRecordInput(istream);
- RecRecord1 r2 = new RecRecord1();
- r2.deserialize(in, "");
- istream.close();
- tmpfile.delete();
- assertTrue("Serialized and deserialized records do not match.", r1.equals(r2));
-
- } catch (IOException ex) {
- ex.printStackTrace();
- }
- }
- public void testToString() {
- try {
- RecRecord1 r1 = new RecRecord1();
- r1.setBoolVal(true);
- r1.setByteVal((byte)0x66);
- r1.setFloatVal(3.145F);
- r1.setDoubleVal(1.5234);
- r1.setIntVal(4567);
- r1.setLongVal(0x5a5a5a5a5a5aL);
- r1.setStringVal("random text");
- byte[] barr = new byte[256];
- for (int idx = 0; idx < 256; idx++) {
- barr[idx] = (byte) idx;
- }
- r1.setBufferVal(new Buffer(barr));
- r1.setVectorVal(new ArrayList<String>());
- r1.setMapVal(new TreeMap<String,String>());
- RecRecord0 r0 = new RecRecord0();
- r0.setStringVal("other random text");
- r1.setRecordVal(r0);
- System.err.println("Illustrating toString bug"+r1.toString());
- System.err.println("Illustrating toString bug"+r1.toString());
- } catch (Throwable ex) {
- assertTrue("Record.toString cannot be invoked twice in succession."+
- "This bug has been fixed in the latest version.", false);
- }
- }
-
- public void testXml() {
- File tmpfile;
- try {
- tmpfile = File.createTempFile("hadooprec", ".xml");
- FileOutputStream ostream = new FileOutputStream(tmpfile);
- XmlRecordOutput out = new XmlRecordOutput(ostream);
- RecRecord1 r1 = new RecRecord1();
- r1.setBoolVal(true);
- r1.setByteVal((byte)0x66);
- r1.setFloatVal(3.145F);
- r1.setDoubleVal(1.5234);
- r1.setIntVal(4567);
- r1.setLongVal(0x5a5a5a5a5a5aL);
- r1.setStringVal("ran 02dom < %text<&moreuffff");
- r1.setBufferVal(new Buffer());
- r1.setVectorVal(new ArrayList<String>());
- r1.setMapVal(new TreeMap<String,String>());
- RecRecord0 r0 = new RecRecord0();
- r0.setStringVal("other %rando 07m & >&more text");
- r1.setRecordVal(r0);
- r1.serialize(out, "");
- ostream.close();
- FileInputStream istream = new FileInputStream(tmpfile);
- XmlRecordInput in = new XmlRecordInput(istream);
- RecRecord1 r2 = new RecRecord1();
- r2.deserialize(in, "");
- istream.close();
- tmpfile.delete();
- assertTrue("Serialized and deserialized records do not match.", r1.equals(r2));
- } catch (IOException ex) {
- ex.printStackTrace();
- }
- }
-
- public void testCloneable() {
- 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);
- try {
- RecRecord1 r2 = (RecRecord1) r1.clone();
- assertTrue("Cloneable semantics violated. r1==r2", r1 != r2);
- assertTrue("Cloneable semantics violated. r1.getClass() != r2.getClass()",
- r1.getClass() == r2.getClass());
- assertTrue("Cloneable semantics violated. !r2.equals(r1)", r2.equals(r1));
- } catch (final CloneNotSupportedException ex) {
- ex.printStackTrace();
- }
- }
- }