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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cassandra.repair.messages;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.junit.Test;
import com.google.common.collect.ImmutableMap;
import org.apache.cassandra.config.Config;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.dht.IPartitioner;
import org.apache.cassandra.dht.Murmur3Partitioner;
import org.apache.cassandra.dht.Range;
import org.apache.cassandra.dht.Token;
import org.apache.cassandra.repair.RepairParallelism;
import org.apache.cassandra.utils.FBUtilities;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.junit.matchers.JUnitMatchers.containsString;
public class RepairOptionTest
{
@Test
public void testParseOptions()
{
IPartitioner partitioner = Murmur3Partitioner.instance;
Token.TokenFactory tokenFactory = partitioner.getTokenFactory();
// parse with empty options
RepairOption option = RepairOption.parse(new HashMap<String, String>(), partitioner);
if (FBUtilities.isWindows && (DatabaseDescriptor.getDiskAccessMode() != Config.DiskAccessMode.standard || DatabaseDescriptor.getIndexAccessMode() != Config.DiskAccessMode.standard))
assertTrue(option.getParallelism() == RepairParallelism.PARALLEL);
else
assertTrue(option.getParallelism() == RepairParallelism.SEQUENTIAL);
assertFalse(option.isPrimaryRange());
assertFalse(option.isIncremental());
// parse everything except hosts (hosts cannot be combined with data centers)
Map<String, String> options = new HashMap<>();
options.put(RepairOption.PARALLELISM_KEY, "parallel");
options.put(RepairOption.PRIMARY_RANGE_KEY, "false");
options.put(RepairOption.INCREMENTAL_KEY, "false");
options.put(RepairOption.RANGES_KEY, "0:10,11:20,21:30");
options.put(RepairOption.COLUMNFAMILIES_KEY, "cf1,cf2,cf3");
options.put(RepairOption.DATACENTERS_KEY, "dc1,dc2,dc3");
option = RepairOption.parse(options, partitioner);
assertTrue(option.getParallelism() == RepairParallelism.PARALLEL);
assertFalse(option.isPrimaryRange());
assertFalse(option.isIncremental());
Set<Range<Token>> expectedRanges = new HashSet<>(3);
expectedRanges.add(new Range<>(tokenFactory.fromString("0"), tokenFactory.fromString("10")));
expectedRanges.add(new Range<>(tokenFactory.fromString("11"), tokenFactory.fromString("20")));
expectedRanges.add(new Range<>(tokenFactory.fromString("21"), tokenFactory.fromString("30")));
assertEquals(expectedRanges, option.getRanges());
Set<String> expectedCFs = new HashSet<>(3);
expectedCFs.add("cf1");
expectedCFs.add("cf2");
expectedCFs.add("cf3");
assertEquals(expectedCFs, option.getColumnFamilies());
Set<String> expectedDCs = new HashSet<>(3);
expectedDCs.add("dc1");
expectedDCs.add("dc2");
expectedDCs.add("dc3");
assertEquals(expectedDCs, option.getDataCenters());
// expect an error when parsing with hosts as well
options.put(RepairOption.HOSTS_KEY, "127.0.0.1,127.0.0.2,127.0.0.3");
assertParseThrowsIllegalArgumentExceptionWithMessage(options, "Cannot combine -dc and -hosts options");
// remove data centers to proceed with testing parsing hosts
options.remove(RepairOption.DATACENTERS_KEY);
option = RepairOption.parse(options, partitioner);
Set<String> expectedHosts = new HashSet<>(3);
expectedHosts.add("127.0.0.1");
expectedHosts.add("127.0.0.2");
expectedHosts.add("127.0.0.3");
assertEquals(expectedHosts, option.getHosts());
}
@Test
public void testPrWithLocalParseOptions()
{
DatabaseDescriptor.daemonInitialization();
Map<String, String> options = new HashMap<>();
options.put(RepairOption.PARALLELISM_KEY, "parallel");
options.put(RepairOption.PRIMARY_RANGE_KEY, "true");
options.put(RepairOption.INCREMENTAL_KEY, "false");
options.put(RepairOption.COLUMNFAMILIES_KEY, "cf1,cf2,cf3");
options.put(RepairOption.DATACENTERS_KEY, "datacenter1");
RepairOption option = RepairOption.parse(options, Murmur3Partitioner.instance);
assertTrue(option.isPrimaryRange());
Set<String> expectedDCs = new HashSet<>(3);
expectedDCs.add("datacenter1");
assertEquals(expectedDCs, option.getDataCenters());
}
@Test
public void testPullRepairParseOptions()
{
Map<String, String> options = new HashMap<>();
options.put(RepairOption.PULL_REPAIR_KEY, "true");
assertParseThrowsIllegalArgumentExceptionWithMessage(options, "Pull repair can only be performed between two hosts");
options.put(RepairOption.HOSTS_KEY, "127.0.0.1,127.0.0.2,127.0.0.3");
assertParseThrowsIllegalArgumentExceptionWithMessage(options, "Pull repair can only be performed between two hosts");
options.put(RepairOption.HOSTS_KEY, "127.0.0.1,127.0.0.2");
assertParseThrowsIllegalArgumentExceptionWithMessage(options, "Token ranges must be specified when performing pull repair");
options.put(RepairOption.RANGES_KEY, "0:10");
RepairOption option = RepairOption.parse(options, Murmur3Partitioner.instance);
assertTrue(option.isPullRepair());
}
@Test
public void testNonGlobalIncrementalRepairParse() throws Exception
{
Map<String, String> options = new HashMap<>();
options.put(RepairOption.PARALLELISM_KEY, "parallel");
options.put(RepairOption.PRIMARY_RANGE_KEY, "false");
options.put(RepairOption.INCREMENTAL_KEY, "true");
options.put(RepairOption.COLUMNFAMILIES_KEY, "cf1,cf2,cf3");
options.put(RepairOption.HOSTS_KEY, "127.0.0.1, 127.0.0.2");
assertParseThrowsIllegalArgumentExceptionWithMessage(options, "Incremental repairs cannot be run against a subset of tokens or ranges");
}
private void assertParseThrowsIllegalArgumentExceptionWithMessage(Map<String, String> optionsToParse, String expectedErrorMessage)
{
try
{
RepairOption.parse(optionsToParse, Murmur3Partitioner.instance);
fail(String.format("Expected RepairOption.parse() to throw an IllegalArgumentException containing the message '%s'", expectedErrorMessage));
}
catch (IllegalArgumentException ex)
{
assertThat(ex.getMessage(), containsString(expectedErrorMessage));
}
}
}