maedhroz commented on code in PR #2267: URL: https://github.com/apache/cassandra/pull/2267#discussion_r1185535689
########## test/unit/org/apache/cassandra/io/sstable/format/bti/PartitionIndexTest.java: ########## @@ -0,0 +1,934 @@ +/* + * 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.cassandra.io.sstable.format.bti; + +import java.io.IOException; +import java.nio.channels.FileChannel; +import java.nio.file.Files; +import java.nio.file.StandardOpenOption; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.List; +import java.util.Optional; +import java.util.Random; +import java.util.UUID; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.ThreadLocalRandom; +import java.util.concurrent.atomic.AtomicInteger; +import java.util.function.Supplier; + +import com.google.common.collect.HashMultiset; +import com.google.common.collect.Lists; +import com.google.common.collect.Multiset; +import org.junit.Assert; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.cassandra.Util; +import org.apache.cassandra.cache.ChunkCache; +import org.apache.cassandra.config.Config; +import org.apache.cassandra.config.DatabaseDescriptor; +import org.apache.cassandra.db.DecoratedKey; +import org.apache.cassandra.dht.ByteOrderedPartitioner; +import org.apache.cassandra.dht.IPartitioner; +import org.apache.cassandra.dht.RandomPartitioner; +import org.apache.cassandra.io.tries.TrieNode; +import org.apache.cassandra.io.tries.Walker; +import org.apache.cassandra.io.util.File; +import org.apache.cassandra.io.util.FileHandle; +import org.apache.cassandra.io.util.FileUtils; +import org.apache.cassandra.io.util.PageAware; +import org.apache.cassandra.io.util.Rebufferer; +import org.apache.cassandra.io.util.SequentialWriter; +import org.apache.cassandra.io.util.SequentialWriterOption; +import org.apache.cassandra.io.util.WrappingRebufferer; +import org.apache.cassandra.utils.ByteBufferUtil; +import org.apache.cassandra.utils.Pair; +import org.apache.cassandra.utils.bytecomparable.ByteComparable; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +@RunWith(Parameterized.class) +public class PartitionIndexTest +{ + private final static Logger logger = LoggerFactory.getLogger(PartitionIndexTest.class); + + private final static long SEED = System.nanoTime(); + private final static Random random = new Random(SEED); + + static final ByteComparable.Version VERSION = Walker.BYTE_COMPARABLE_VERSION; + + static + { + DatabaseDescriptor.daemonInitialization(); + } + + IPartitioner partitioner = Util.testPartitioner(); + //Lower the size of the indexes when running without the chunk cache, otherwise the test times out on Jenkins + static final int COUNT = ChunkCache.instance != null ? 245256 : 24525; + + @Parameterized.Parameters() + public static Collection<Object[]> generateData() + { + return Arrays.asList(new Object[]{ Config.DiskAccessMode.standard }, + new Object[]{ Config.DiskAccessMode.mmap }); + } + + @Parameterized.Parameter(value = 0) + public static Config.DiskAccessMode accessMode = Config.DiskAccessMode.standard; + + public static void beforeClass() + { + logger.info("Using random seed: {}", SEED); + } + + /** + * Tests last-nodes-sizing failure uncovered during code review. + */ + @Test + public void testSizingBug() throws IOException, InterruptedException + { + for (int i = 1; i < COUNT; i *= 10) + { + testGetEq(generateRandomIndex(i)); + testGetEq(generateSequentialIndex(i)); + } + } + + @Test + public void testGetEq() throws IOException, InterruptedException + { + testGetEq(generateRandomIndex(COUNT)); + testGetEq(generateSequentialIndex(COUNT)); + } + + @Test + public void testBrokenFile() throws IOException, InterruptedException + { + // put some garbage in the file + final Pair<List<DecoratedKey>, PartitionIndex> data = generateRandomIndex(COUNT); + File f = new File(data.right.getFileHandle().path()); + try (FileChannel ch = FileChannel.open(f.toPath(), StandardOpenOption.WRITE)) + { + ch.write(generateRandomKey().getKey(), f.length() * 2 / 3); + } + + boolean thrown = false; + try + { + testGetEq(data); + } + catch (Throwable e) + { + thrown = true; + } + assertTrue(thrown); Review Comment: nit: Could replace all this w/ ``` assertThatThrownBy(() -> testGetEq(data)).isInstanceOfAny(AssertionError.class, IndexOutOfBoundsException.class); ``` -- This is an automated message from the Apache Git Service. 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