/**
* Copyright 2009 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;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutput;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Arrays;
import org.apache.hadoop.hbase.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Assert;
import org.junit.Test;
import org.junit.experimental.categories.Category;
// TODO: cover more test cases
@Category(SmallTests.class)
public class TestScan {
@Test
public void testAttributesSerialization() throws IOException {
Scan scan = new Scan();
scan.setAttribute("attribute1", Bytes.toBytes("value1"));
scan.setAttribute("attribute2", Bytes.toBytes("value2"));
scan.setAttribute("attribute3", Bytes.toBytes("value3"));
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
DataOutput out = new DataOutputStream(byteArrayOutputStream);
scan.write(out);
Scan scan2 = new Scan();
Assert.assertTrue(scan2.getAttributesMap().isEmpty());
scan2.readFields(new DataInputStream(new ByteArrayInputStream(byteArrayOutputStream.toByteArray())));
Assert.assertNull(scan2.getAttribute("absent"));
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value1"), scan2.getAttribute("attribute1")));
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value2"), scan2.getAttribute("attribute2")));
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value3"), scan2.getAttribute("attribute3")));
Assert.assertEquals(3, scan2.getAttributesMap().size());
}
@Test
public void testScanAttributes() {
Scan scan = new Scan();
Assert.assertTrue(scan.getAttributesMap().isEmpty());
Assert.assertNull(scan.getAttribute("absent"));
scan.setAttribute("absent", null);
Assert.assertTrue(scan.getAttributesMap().isEmpty());
Assert.assertNull(scan.getAttribute("absent"));
// adding attribute
scan.setAttribute("attribute1", Bytes.toBytes("value1"));
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value1"), scan.getAttribute("attribute1")));
Assert.assertEquals(1, scan.getAttributesMap().size());
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value1"), scan.getAttributesMap().get("attribute1")));
// overriding attribute value
scan.setAttribute("attribute1", Bytes.toBytes("value12"));
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value12"), scan.getAttribute("attribute1")));
Assert.assertEquals(1, scan.getAttributesMap().size());
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value12"), scan.getAttributesMap().get("attribute1")));
// adding another attribute
scan.setAttribute("attribute2", Bytes.toBytes("value2"));
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value2"), scan.getAttribute("attribute2")));
Assert.assertEquals(2, scan.getAttributesMap().size());
Assert.assertTrue(Arrays.equals(Bytes.toBytes("value2"), scan.getAttributesMap().get("attribute2")));
// removing attribute
scan.setAttribute("attribute2", null);
Assert.assertNull(scan.getAttribute("attribute2"));
Assert.assertEquals(1, scan.getAttributesMap().size());
Assert.assertNull(scan.getAttributesMap().get("attribute2"));
// removing non-existed attribute
scan.setAttribute("attribute2", null);
Assert.assertNull(scan.getAttribute("attribute2"));
Assert.assertEquals(1, scan.getAttributesMap().size());
Assert.assertNull(scan.getAttributesMap().get("attribute2"));
// removing another attribute
scan.setAttribute("attribute1", null);
Assert.assertNull(scan.getAttribute("attribute1"));
Assert.assertTrue(scan.getAttributesMap().isEmpty());
Assert.assertNull(scan.getAttributesMap().get("attribute1"));
}
@org.junit.Rule
public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu =
new org.apache.hadoop.hbase.ResourceCheckerJUnitRule();
}