/*
* Licensed to Crate under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial
* agreement.
*/
package io.crate.executor.transport.distributed;
import io.crate.Streamer;
import io.crate.data.BatchIterator;
import io.crate.data.Bucket;
import io.crate.test.integration.CrateUnitTest;
import io.crate.testing.BatchSimulatingIterator;
import io.crate.testing.FailingBatchIterator;
import io.crate.testing.TestingBatchIterators;
import io.crate.testing.TestingHelpers;
import io.crate.types.DataTypes;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
@SuppressWarnings("ConstantConditions")
public class SingleBucketBuilderTest extends CrateUnitTest {
private SingleBucketBuilder bucketBuilder = new SingleBucketBuilder(new Streamer[]{DataTypes.LONG.streamer()});
private ExecutorService executor;
@Before
public void setupExecutor() throws Exception {
executor = Executors.newFixedThreadPool(2);
}
@After
public void tearDownExecutor() throws Exception {
executor.shutdown();
executor.awaitTermination(10, TimeUnit.SECONDS);
}
@Test
public void testSingleBucketBuilderConsumer() throws Exception {
bucketBuilder.accept(TestingBatchIterators.range(0, 4), null);
Bucket rows = bucketBuilder.completionFuture().get(10, TimeUnit.SECONDS);
assertThat(TestingHelpers.printedTable(rows),
is("0\n" +
"1\n" +
"2\n" +
"3\n"));
}
@Test
public void testSingleBucketBuilderWithBatchedSource() throws Exception {
BatchIterator iterator = TestingBatchIterators.range(0, 4);
bucketBuilder.accept(new BatchSimulatingIterator(iterator, 2, 2, executor), null);
Bucket rows = bucketBuilder.completionFuture().get(10, TimeUnit.SECONDS);
assertThat(TestingHelpers.printedTable(rows),
is("0\n" +
"1\n" +
"2\n" +
"3\n"));
}
@Test
public void testConsumeFailingBatchIterator() throws Exception {
FailingBatchIterator iterator = new FailingBatchIterator(TestingBatchIterators.range(0, 4), 2);
bucketBuilder.accept(iterator, null);
try {
bucketBuilder.completionFuture().get(10, TimeUnit.SECONDS);
fail("completionFuture must fail");
} catch (ExecutionException e) {
assertThat(e.getCause(), instanceOf(UnsupportedOperationException.class));
}
try {
iterator.moveNext();
fail("iterator must be closed");
} catch (IllegalStateException e) {
assertThat(e.getMessage(), is("Iterator is closed"));
}
}
}