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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.threadpool;
import org.elasticsearch.Version;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.SizeValue;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.test.ESTestCase;
import org.junit.Before;
import java.io.IOException;
import java.util.Map;
import static org.elasticsearch.common.settings.Settings.settingsBuilder;
import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.hamcrest.Matchers.hasKey;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.nullValue;
/**
*
*/
public class ThreadPoolSerializationTests extends ESTestCase {
BytesStreamOutput output = new BytesStreamOutput();
private ThreadPool.ThreadPoolType threadPoolType;
@Before
public void setUp() throws Exception {
super.setUp();
threadPoolType = randomFrom(ThreadPool.ThreadPoolType.values());
}
public void testThatQueueSizeSerializationWorks() throws Exception {
ThreadPool.Info info = new ThreadPool.Info("foo", threadPoolType, 1, 10, TimeValue.timeValueMillis(3000), SizeValue.parseSizeValue("10k"));
output.setVersion(Version.CURRENT);
info.writeTo(output);
StreamInput input = StreamInput.wrap(output.bytes());
ThreadPool.Info newInfo = new ThreadPool.Info();
newInfo.readFrom(input);
assertThat(newInfo.getQueueSize().singles(), is(10000l));
}
public void testThatNegativeQueueSizesCanBeSerialized() throws Exception {
ThreadPool.Info info = new ThreadPool.Info("foo", threadPoolType, 1, 10, TimeValue.timeValueMillis(3000), null);
output.setVersion(Version.CURRENT);
info.writeTo(output);
StreamInput input = StreamInput.wrap(output.bytes());
ThreadPool.Info newInfo = new ThreadPool.Info();
newInfo.readFrom(input);
assertThat(newInfo.getQueueSize(), is(nullValue()));
}
public void testThatToXContentWritesOutUnboundedCorrectly() throws Exception {
ThreadPool.Info info = new ThreadPool.Info("foo", threadPoolType, 1, 10, TimeValue.timeValueMillis(3000), null);
XContentBuilder builder = jsonBuilder();
builder.startObject();
info.toXContent(builder, ToXContent.EMPTY_PARAMS);
builder.endObject();
BytesReference bytesReference = builder.bytes();
Map<String, Object> map;
try (XContentParser parser = XContentFactory.xContent(bytesReference).createParser(bytesReference)) {
map = parser.map();
}
assertThat(map, hasKey("foo"));
map = (Map<String, Object>) map.get("foo");
assertThat(map, hasKey("queue_size"));
assertThat(map.get("queue_size").toString(), is("-1"));
}
public void testThatNegativeSettingAllowsToStart() throws InterruptedException {
Settings settings = settingsBuilder().put("name", "index").put("threadpool.index.queue_size", "-1").build();
ThreadPool threadPool = new ThreadPool(settings);
assertThat(threadPool.info("index").getQueueSize(), is(nullValue()));
terminate(threadPool);
}
public void testThatToXContentWritesInteger() throws Exception {
ThreadPool.Info info = new ThreadPool.Info("foo", threadPoolType, 1, 10, TimeValue.timeValueMillis(3000), SizeValue.parseSizeValue("1k"));
XContentBuilder builder = jsonBuilder();
builder.startObject();
info.toXContent(builder, ToXContent.EMPTY_PARAMS);
builder.endObject();
BytesReference bytesReference = builder.bytes();
Map<String, Object> map;
try (XContentParser parser = XContentFactory.xContent(bytesReference).createParser(bytesReference)) {
map = parser.map();
}
assertThat(map, hasKey("foo"));
map = (Map<String, Object>) map.get("foo");
assertThat(map, hasKey("queue_size"));
assertThat(map.get("queue_size").toString(), is("1000"));
}
public void testThatThreadPoolTypeIsSerializedCorrectly() throws IOException {
ThreadPool.Info info = new ThreadPool.Info("foo", threadPoolType);
output.setVersion(Version.CURRENT);
info.writeTo(output);
StreamInput input = StreamInput.wrap(output.bytes());
ThreadPool.Info newInfo = new ThreadPool.Info();
newInfo.readFrom(input);
assertThat(newInfo.getThreadPoolType(), is(threadPoolType));
}
}
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