| /** |
| * 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 static org.junit.Assert.assertEquals; |
| |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.testclassification.ClientTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({ MediumTests.class, ClientTests.class }) |
| public class TestRawAsyncTablePartialScan { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRawAsyncTablePartialScan.class); |
| |
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| |
| private static TableName TABLE_NAME = TableName.valueOf("async"); |
| |
| private static byte[] FAMILY = Bytes.toBytes("cf"); |
| |
| private static byte[][] CQS = |
| new byte[][] { Bytes.toBytes("cq1"), Bytes.toBytes("cq2"), Bytes.toBytes("cq3") }; |
| |
| private static int COUNT = 100; |
| |
| private static AsyncConnection CONN; |
| |
| private static AsyncTable<?> TABLE; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| TEST_UTIL.startMiniCluster(1); |
| TEST_UTIL.createTable(TABLE_NAME, FAMILY); |
| TEST_UTIL.waitTableAvailable(TABLE_NAME); |
| CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get(); |
| TABLE = CONN.getTable(TABLE_NAME); |
| TABLE |
| .putAll(IntStream.range(0, COUNT) |
| .mapToObj(i -> new Put(Bytes.toBytes(String.format("%02d", i))) |
| .addColumn(FAMILY, CQS[0], Bytes.toBytes(i)) |
| .addColumn(FAMILY, CQS[1], Bytes.toBytes(2 * i)) |
| .addColumn(FAMILY, CQS[2], Bytes.toBytes(3 * i))) |
| .collect(Collectors.toList())) |
| .get(); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| CONN.close(); |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testBatchDoNotAllowPartial() throws InterruptedException, ExecutionException { |
| // we set batch to 2 and max result size to 1, then server will only returns one result per call |
| // but we should get 2 + 1 for every row. |
| List<Result> results = TABLE.scanAll(new Scan().setBatch(2).setMaxResultSize(1)).get(); |
| assertEquals(2 * COUNT, results.size()); |
| for (int i = 0; i < COUNT; i++) { |
| Result firstTwo = results.get(2 * i); |
| assertEquals(String.format("%02d", i), Bytes.toString(firstTwo.getRow())); |
| assertEquals(2, firstTwo.size()); |
| assertEquals(i, Bytes.toInt(firstTwo.getValue(FAMILY, CQS[0]))); |
| assertEquals(2 * i, Bytes.toInt(firstTwo.getValue(FAMILY, CQS[1]))); |
| |
| Result secondOne = results.get(2 * i + 1); |
| assertEquals(String.format("%02d", i), Bytes.toString(secondOne.getRow())); |
| assertEquals(1, secondOne.size()); |
| assertEquals(3 * i, Bytes.toInt(secondOne.getValue(FAMILY, CQS[2]))); |
| } |
| } |
| |
| @Test |
| public void testReversedBatchDoNotAllowPartial() throws InterruptedException, ExecutionException { |
| // we set batch to 2 and max result size to 1, then server will only returns one result per call |
| // but we should get 2 + 1 for every row. |
| List<Result> results = |
| TABLE.scanAll(new Scan().setBatch(2).setMaxResultSize(1).setReversed(true)).get(); |
| assertEquals(2 * COUNT, results.size()); |
| for (int i = 0; i < COUNT; i++) { |
| int row = COUNT - i - 1; |
| Result firstTwo = results.get(2 * i); |
| assertEquals(String.format("%02d", row), Bytes.toString(firstTwo.getRow())); |
| assertEquals(2, firstTwo.size()); |
| assertEquals(row, Bytes.toInt(firstTwo.getValue(FAMILY, CQS[0]))); |
| assertEquals(2 * row, Bytes.toInt(firstTwo.getValue(FAMILY, CQS[1]))); |
| |
| Result secondOne = results.get(2 * i + 1); |
| assertEquals(String.format("%02d", row), Bytes.toString(secondOne.getRow())); |
| assertEquals(1, secondOne.size()); |
| assertEquals(3 * row, Bytes.toInt(secondOne.getValue(FAMILY, CQS[2]))); |
| } |
| } |
| } |