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* the Apache License, Version 2.0 (the "License"); you may
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* 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
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package org.elasticsearch.cluster.routing;
import org.apache.lucene.util.CollectionUtil;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.test.ESTestCase;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public class GroupShardsIteratorTests extends ESTestCase {
public void testSize() {
List<ShardIterator> list = new ArrayList<>();
Index index = new Index("foo", "na");
list.add(new PlainShardIterator(new ShardId(index, 0), Arrays.asList(newRouting(index, 0, true), newRouting(index, 0, true),
newRouting(index, 0, true))));
list.add(new PlainShardIterator(new ShardId(index, 1), Collections.emptyList()));
list.add(new PlainShardIterator(new ShardId(index, 2), Arrays.asList(newRouting(index, 2, true))));
index = new Index("foo_1", "na");
list.add(new PlainShardIterator(new ShardId(index, 0), Arrays.asList(newRouting(index, 0, true))));
list.add(new PlainShardIterator(new ShardId(index, 1), Arrays.asList(newRouting(index, 1, true))));
GroupShardsIterator iter = new GroupShardsIterator<>(list);
assertEquals(7, iter.totalSizeWith1ForEmpty());
assertEquals(5, iter.size());
assertEquals(6, iter.totalSize());
}
public void testIterate() {
List<ShardIterator> list = new ArrayList<>();
Index index = new Index("foo", "na");
list.add(new PlainShardIterator(new ShardId(index, 0), Arrays.asList(newRouting(index, 0, true), newRouting(index, 0, true),
newRouting(index, 0, true))));
list.add(new PlainShardIterator(new ShardId(index, 1), Collections.emptyList()));
list.add(new PlainShardIterator(new ShardId(index, 2), Arrays.asList(newRouting(index, 2, true))));
list.add(new PlainShardIterator(new ShardId(index, 0), Arrays.asList(newRouting(index, 0, true))));
list.add(new PlainShardIterator(new ShardId(index, 1), Arrays.asList(newRouting(index, 1, true))));
index = new Index("foo_2", "na");
list.add(new PlainShardIterator(new ShardId(index, 0), Arrays.asList(newRouting(index, 0, true))));
list.add(new PlainShardIterator(new ShardId(index, 1), Arrays.asList(newRouting(index, 1, true))));
Collections.shuffle(list, random());
ArrayList<ShardIterator> actualIterators = new ArrayList<>();
GroupShardsIterator<ShardIterator> iter = new GroupShardsIterator<>(list);
for (ShardIterator shardsIterator : iter) {
actualIterators.add(shardsIterator);
}
CollectionUtil.timSort(actualIterators);
assertEquals(actualIterators, list);
}
public ShardRouting newRouting(Index index, int id, boolean started) {
ShardRouting shardRouting = ShardRouting.newUnassigned(new ShardId(index, id), true,
RecoverySource.StoreRecoverySource.EMPTY_STORE_INSTANCE, new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, "foo"));
shardRouting = ShardRoutingHelper.initialize(shardRouting, "some node");
if (started) {
shardRouting = ShardRoutingHelper.moveToStarted(shardRouting);
}
return shardRouting;
};
}