/*
* Copyright 2010 The Apache Software Foundation
*
* 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.hbase.client.idx;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.hadoop.hbase.client.idx.exp.Comparison;
import org.apache.hadoop.hbase.client.idx.exp.Expression;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.io.DataInputBuffer;
import org.apache.hadoop.io.DataOutputBuffer;
import java.io.IOException;
/**
* Tests the {@link IdxScan} class.
*/
public class TestIdxScan extends TestCase {
/**
* Tests that the writable and readFields methods work as expected.
*
* @throws java.io.IOException if an IO error occurs
*/
public void testWritable() throws IOException {
Expression expression = Expression.comparison("columnName", "qualifier", Comparison.Operator.EQ, Bytes.toBytes("value"));
IdxScan idxScan = new IdxScan(expression);
DataOutputBuffer dataOutputBuffer = new DataOutputBuffer();
idxScan.write(dataOutputBuffer);
DataInputBuffer dataInputBuffer = new DataInputBuffer();
dataInputBuffer.reset(dataOutputBuffer.getData(), dataOutputBuffer.getLength());
IdxScan clonedScan = new IdxScan();
clonedScan.readFields(dataInputBuffer);
Assert.assertEquals("The expression was not the same after being written and read", idxScan.getExpression(), clonedScan.getExpression());
}
/**
* Tests that the writable and readFields methods work as expected.
*
* @throws java.io.IOException if an IO error occurs
*/
public void testWritableNullExpression() throws IOException {
IdxScan idxScan = new IdxScan();
DataOutputBuffer dataOutputBuffer = new DataOutputBuffer();
idxScan.write(dataOutputBuffer);
DataInputBuffer dataInputBuffer = new DataInputBuffer();
dataInputBuffer.reset(dataOutputBuffer.getData(), dataOutputBuffer.getLength());
IdxScan clonedScan = new IdxScan();
clonedScan.readFields(dataInputBuffer);
Assert.assertEquals("The expression was not the same after being written and read", idxScan.getExpression(), clonedScan.getExpression());
}
}