/*
* 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.service;
import java.net.InetAddress;
import java.util.List;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.cassandra.db.PartitionPosition;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.dht.*;
import org.apache.cassandra.locator.TokenMetadata;
import static org.apache.cassandra.Util.rp;
import static org.apache.cassandra.Util.token;
import static org.junit.Assert.assertEquals;
public class StorageProxyTest
{
private static Range<PartitionPosition> range(PartitionPosition left, PartitionPosition right)
{
return new Range<PartitionPosition>(left, right);
}
private static Bounds<PartitionPosition> bounds(PartitionPosition left, PartitionPosition right)
{
return new Bounds<PartitionPosition>(left, right);
}
private static ExcludingBounds<PartitionPosition> exBounds(PartitionPosition left, PartitionPosition right)
{
return new ExcludingBounds<PartitionPosition>(left, right);
}
private static IncludingExcludingBounds<PartitionPosition> incExBounds(PartitionPosition left, PartitionPosition right)
{
return new IncludingExcludingBounds<PartitionPosition>(left, right);
}
private static PartitionPosition startOf(String key)
{
return token(key).minKeyBound();
}
private static PartitionPosition endOf(String key)
{
return token(key).maxKeyBound();
}
private static Range<Token> tokenRange(String left, String right)
{
return new Range<Token>(token(left), token(right));
}
private static Bounds<Token> tokenBounds(String left, String right)
{
return new Bounds<Token>(token(left), token(right));
}
@BeforeClass
public static void beforeClass() throws Throwable
{
DatabaseDescriptor.daemonInitialization();
DatabaseDescriptor.getHintsDirectory().mkdir();
TokenMetadata tmd = StorageService.instance.getTokenMetadata();
tmd.updateNormalToken(token("1"), InetAddress.getByName("127.0.0.1"));
tmd.updateNormalToken(token("6"), InetAddress.getByName("127.0.0.6"));
}
// test getRestrictedRanges for token
private void testGRR(AbstractBounds<Token> queryRange, AbstractBounds<Token>... expected)
{
// Testing for tokens
List<AbstractBounds<Token>> restricted = StorageProxy.getRestrictedRanges(queryRange);
assertEquals(restricted.toString(), expected.length, restricted.size());
for (int i = 0; i < expected.length; i++)
assertEquals("Mismatch for index " + i + ": " + restricted, expected[i], restricted.get(i));
}
// test getRestrictedRanges for keys
private void testGRRKeys(AbstractBounds<PartitionPosition> queryRange, AbstractBounds<PartitionPosition>... expected)
{
// Testing for keys
List<AbstractBounds<PartitionPosition>> restrictedKeys = StorageProxy.getRestrictedRanges(queryRange);
assertEquals(restrictedKeys.toString(), expected.length, restrictedKeys.size());
for (int i = 0; i < expected.length; i++)
assertEquals("Mismatch for index " + i + ": " + restrictedKeys, expected[i], restrictedKeys.get(i));
}
@Test
public void testGRR() throws Throwable
{
// no splits
testGRR(tokenRange("2", "5"), tokenRange("2", "5"));
testGRR(tokenBounds("2", "5"), tokenBounds("2", "5"));
// single split
testGRR(tokenRange("2", "7"), tokenRange("2", "6"), tokenRange("6", "7"));
testGRR(tokenBounds("2", "7"), tokenBounds("2", "6"), tokenRange("6", "7"));
// single split starting from min
testGRR(tokenRange("", "2"), tokenRange("", "1"), tokenRange("1", "2"));
testGRR(tokenBounds("", "2"), tokenBounds("", "1"), tokenRange("1", "2"));
// single split ending with max
testGRR(tokenRange("5", ""), tokenRange("5", "6"), tokenRange("6", ""));
testGRR(tokenBounds("5", ""), tokenBounds("5", "6"), tokenRange("6", ""));
// two splits
testGRR(tokenRange("0", "7"), tokenRange("0", "1"), tokenRange("1", "6"), tokenRange("6", "7"));
testGRR(tokenBounds("0", "7"), tokenBounds("0", "1"), tokenRange("1", "6"), tokenRange("6", "7"));
// Keys
// no splits
testGRRKeys(range(rp("2"), rp("5")), range(rp("2"), rp("5")));
testGRRKeys(bounds(rp("2"), rp("5")), bounds(rp("2"), rp("5")));
testGRRKeys(exBounds(rp("2"), rp("5")), exBounds(rp("2"), rp("5")));
// single split testGRRKeys(range("2", "7"), range(rp("2"), endOf("6")), range(endOf("6"), rp("7")));
testGRRKeys(bounds(rp("2"), rp("7")), bounds(rp("2"), endOf("6")), range(endOf("6"), rp("7")));
testGRRKeys(exBounds(rp("2"), rp("7")), range(rp("2"), endOf("6")), exBounds(endOf("6"), rp("7")));
testGRRKeys(incExBounds(rp("2"), rp("7")), bounds(rp("2"), endOf("6")), exBounds(endOf("6"), rp("7")));
// single split starting from min
testGRRKeys(range(rp(""), rp("2")), range(rp(""), endOf("1")), range(endOf("1"), rp("2")));
testGRRKeys(bounds(rp(""), rp("2")), bounds(rp(""), endOf("1")), range(endOf("1"), rp("2")));
testGRRKeys(exBounds(rp(""), rp("2")), range(rp(""), endOf("1")), exBounds(endOf("1"), rp("2")));
testGRRKeys(incExBounds(rp(""), rp("2")), bounds(rp(""), endOf("1")), exBounds(endOf("1"), rp("2")));
// single split ending with max
testGRRKeys(range(rp("5"), rp("")), range(rp("5"), endOf("6")), range(endOf("6"), rp("")));
testGRRKeys(bounds(rp("5"), rp("")), bounds(rp("5"), endOf("6")), range(endOf("6"), rp("")));
testGRRKeys(exBounds(rp("5"), rp("")), range(rp("5"), endOf("6")), exBounds(endOf("6"), rp("")));
testGRRKeys(incExBounds(rp("5"), rp("")), bounds(rp("5"), endOf("6")), exBounds(endOf("6"), rp("")));
// two splits
testGRRKeys(range(rp("0"), rp("7")), range(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("7")));
testGRRKeys(bounds(rp("0"), rp("7")), bounds(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("7")));
testGRRKeys(exBounds(rp("0"), rp("7")), range(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp("7")));
testGRRKeys(incExBounds(rp("0"), rp("7")), bounds(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp("7")));
}
@Test
public void testGRRExact() throws Throwable
{
// min
testGRR(tokenRange("1", "5"), tokenRange("1", "5"));
testGRR(tokenBounds("1", "5"), tokenBounds("1", "1"), tokenRange("1", "5"));
// max
testGRR(tokenRange("2", "6"), tokenRange("2", "6"));
testGRR(tokenBounds("2", "6"), tokenBounds("2", "6"));
// both
testGRR(tokenRange("1", "6"), tokenRange("1", "6"));
testGRR(tokenBounds("1", "6"), tokenBounds("1", "1"), tokenRange("1", "6"));
// Keys
// min
testGRRKeys(range(endOf("1"), endOf("5")), range(endOf("1"), endOf("5")));
testGRRKeys(range(rp("1"), endOf("5")), range(rp("1"), endOf("1")), range(endOf("1"), endOf("5")));
testGRRKeys(bounds(startOf("1"), endOf("5")), bounds(startOf("1"), endOf("1")), range(endOf("1"), endOf("5")));
testGRRKeys(exBounds(endOf("1"), rp("5")), exBounds(endOf("1"), rp("5")));
testGRRKeys(exBounds(rp("1"), rp("5")), range(rp("1"), endOf("1")), exBounds(endOf("1"), rp("5")));
testGRRKeys(exBounds(startOf("1"), endOf("5")), range(startOf("1"), endOf("1")), exBounds(endOf("1"), endOf("5")));
testGRRKeys(incExBounds(rp("1"), rp("5")), bounds(rp("1"), endOf("1")), exBounds(endOf("1"), rp("5")));
// max
testGRRKeys(range(endOf("2"), endOf("6")), range(endOf("2"), endOf("6")));
testGRRKeys(bounds(startOf("2"), endOf("6")), bounds(startOf("2"), endOf("6")));
testGRRKeys(exBounds(rp("2"), rp("6")), exBounds(rp("2"), rp("6")));
testGRRKeys(incExBounds(rp("2"), rp("6")), incExBounds(rp("2"), rp("6")));
// bothKeys
testGRRKeys(range(rp("1"), rp("6")), range(rp("1"), endOf("1")), range(endOf("1"), rp("6")));
testGRRKeys(bounds(rp("1"), rp("6")), bounds(rp("1"), endOf("1")), range(endOf("1"), rp("6")));
testGRRKeys(exBounds(rp("1"), rp("6")), range(rp("1"), endOf("1")), exBounds(endOf("1"), rp("6")));
testGRRKeys(incExBounds(rp("1"), rp("6")), bounds(rp("1"), endOf("1")), exBounds(endOf("1"), rp("6")));
}
@Test
public void testGRRWrapped() throws Throwable
{
// one token in wrapped range
testGRR(tokenRange("7", "0"), tokenRange("7", ""), tokenRange("", "0"));
// two tokens in wrapped range
testGRR(tokenRange("5", "0"), tokenRange("5", "6"), tokenRange("6", ""), tokenRange("", "0"));
testGRR(tokenRange("7", "2"), tokenRange("7", ""), tokenRange("", "1"), tokenRange("1", "2"));
// full wraps
testGRR(tokenRange("0", "0"), tokenRange("0", "1"), tokenRange("1", "6"), tokenRange("6", ""), tokenRange("", "0"));
testGRR(tokenRange("", ""), tokenRange("", "1"), tokenRange("1", "6"), tokenRange("6", ""));
// wrap on member tokens
testGRR(tokenRange("6", "6"), tokenRange("6", ""), tokenRange("", "1"), tokenRange("1", "6"));
testGRR(tokenRange("6", "1"), tokenRange("6", ""), tokenRange("", "1"));
// end wrapped
testGRR(tokenRange("5", ""), tokenRange("5", "6"), tokenRange("6", ""));
// Keys
// one token in wrapped range
testGRRKeys(range(rp("7"), rp("0")), range(rp("7"), rp("")), range(rp(""), rp("0")));
// two tokens in wrapped range
testGRRKeys(range(rp("5"), rp("0")), range(rp("5"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), rp("0")));
testGRRKeys(range(rp("7"), rp("2")), range(rp("7"), rp("")), range(rp(""), endOf("1")), range(endOf("1"), rp("2")));
// full wraps
testGRRKeys(range(rp("0"), rp("0")), range(rp("0"), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), rp("0")));
testGRRKeys(range(rp(""), rp("")), range(rp(""), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("")));
// wrap on member tokens
testGRRKeys(range(rp("6"), rp("6")), range(rp("6"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), endOf("1")), range(endOf("1"), rp("6")));
testGRRKeys(range(rp("6"), rp("1")), range(rp("6"), endOf("6")), range(endOf("6"), rp("")), range(rp(""), rp("1")));
// end wrapped
testGRRKeys(range(rp("5"), rp("")), range(rp("5"), endOf("6")), range(endOf("6"), rp("")));
}
@Test
public void testGRRExactBounds() throws Throwable
{
// equal tokens are special cased as non-wrapping for bounds
testGRR(tokenBounds("0", "0"), tokenBounds("0", "0"));
// completely empty bounds match everything
testGRR(tokenBounds("", ""), tokenBounds("", "1"), tokenRange("1", "6"), tokenRange("6", ""));
// Keys
// equal tokens are special cased as non-wrapping for bounds
testGRRKeys(bounds(rp("0"), rp("0")), bounds(rp("0"), rp("0")));
// completely empty bounds match everything
testGRRKeys(bounds(rp(""), rp("")), bounds(rp(""), endOf("1")), range(endOf("1"), endOf("6")), range(endOf("6"), rp("")));
testGRRKeys(exBounds(rp(""), rp("")), range(rp(""), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp("")));
testGRRKeys(incExBounds(rp(""), rp("")), bounds(rp(""), endOf("1")), range(endOf("1"), endOf("6")), exBounds(endOf("6"), rp("")));
}
}