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147 changes: 147 additions & 0 deletions
147
...rc/test/java/org/elasticsearch/xpack/esql/enrich/LookupFromIndexServiceResponseTests.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,147 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the Elastic License | ||
| * 2.0; you may not use this file except in compliance with the Elastic License | ||
| * 2.0. | ||
| */ | ||
|
|
||
| package org.elasticsearch.xpack.esql.enrich; | ||
|
|
||
| import org.elasticsearch.TransportVersion; | ||
| import org.elasticsearch.common.breaker.CircuitBreaker; | ||
| import org.elasticsearch.common.breaker.CircuitBreakingException; | ||
| import org.elasticsearch.common.collect.Iterators; | ||
| import org.elasticsearch.common.io.stream.NamedWriteableRegistry; | ||
| import org.elasticsearch.common.io.stream.Writeable; | ||
| import org.elasticsearch.common.unit.ByteSizeValue; | ||
| import org.elasticsearch.common.util.BigArrays; | ||
| import org.elasticsearch.common.util.MockBigArrays; | ||
| import org.elasticsearch.common.util.PageCacheRecycler; | ||
| import org.elasticsearch.compute.data.BlockFactory; | ||
| import org.elasticsearch.compute.data.IntBlock; | ||
| import org.elasticsearch.compute.data.IntVector; | ||
| import org.elasticsearch.compute.data.Page; | ||
| import org.elasticsearch.compute.operator.DriverContext; | ||
| import org.elasticsearch.core.Releasables; | ||
| import org.elasticsearch.test.AbstractWireSerializingTestCase; | ||
| import org.elasticsearch.xpack.esql.TestBlockFactory; | ||
| import org.junit.After; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
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| import static org.hamcrest.Matchers.equalTo; | ||
| import static org.hamcrest.Matchers.nullValue; | ||
| import static org.hamcrest.Matchers.sameInstance; | ||
|
|
||
| public class LookupFromIndexServiceResponseTests extends AbstractWireSerializingTestCase<LookupFromIndexService.LookupResponse> { | ||
| private final List<CircuitBreaker> breakers = new ArrayList<>(); | ||
|
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| LookupFromIndexService.LookupResponse createTestInstance(BlockFactory blockFactory) { | ||
| return new LookupFromIndexService.LookupResponse(randomList(0, 10, () -> randomPage(blockFactory)), blockFactory); | ||
| } | ||
|
|
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| Page randomPage(BlockFactory blockFactory) { | ||
| try (IntVector.Builder builder = blockFactory.newIntVectorFixedBuilder(3)) { | ||
| builder.appendInt(1); | ||
| builder.appendInt(2); | ||
| builder.appendInt(3); | ||
| return new Page(builder.build().asBlock()); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| protected LookupFromIndexService.LookupResponse createTestInstance() { | ||
| // Can't use a real block factory for the basic serialization tests because they don't release. | ||
| return createTestInstance(TestBlockFactory.getNonBreakingInstance()); | ||
| } | ||
|
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| @Override | ||
| protected Writeable.Reader<LookupFromIndexService.LookupResponse> instanceReader() { | ||
| return in -> new LookupFromIndexService.LookupResponse(in, TestBlockFactory.getNonBreakingInstance()); | ||
| } | ||
|
|
||
| @Override | ||
| protected LookupFromIndexService.LookupResponse mutateInstance(LookupFromIndexService.LookupResponse instance) throws IOException { | ||
| assertThat(instance.blockFactory, sameInstance(TestBlockFactory.getNonBreakingInstance())); | ||
| List<Page> pages = new ArrayList<>(instance.pages().size()); | ||
| pages.addAll(instance.pages()); | ||
| pages.add(randomPage(TestBlockFactory.getNonBreakingInstance())); | ||
| return new LookupFromIndexService.LookupResponse(pages, instance.blockFactory); | ||
| } | ||
|
|
||
| @Override | ||
| protected NamedWriteableRegistry getNamedWriteableRegistry() { | ||
| return new NamedWriteableRegistry(List.of(IntBlock.ENTRY)); | ||
| } | ||
|
|
||
| public void testWithBreaker() throws IOException { | ||
| BlockFactory origFactory = blockFactory(); | ||
| BlockFactory copyFactory = blockFactory(); | ||
| LookupFromIndexService.LookupResponse orig = createTestInstance(origFactory); | ||
| try { | ||
| LookupFromIndexService.LookupResponse copy = copyInstance( | ||
| orig, | ||
| getNamedWriteableRegistry(), | ||
| (out, v) -> v.writeTo(out), | ||
| in -> new LookupFromIndexService.LookupResponse(in, copyFactory), | ||
| TransportVersion.current() | ||
| ); | ||
| try { | ||
| assertThat(copy, equalTo(orig)); | ||
| } finally { | ||
| copy.decRef(); | ||
| } | ||
| assertThat(copyFactory.breaker().getUsed(), equalTo(0L)); | ||
| } finally { | ||
| orig.decRef(); | ||
| } | ||
| assertThat(origFactory.breaker().getUsed(), equalTo(0L)); | ||
| } | ||
|
|
||
| /** | ||
| * Tests that we reserve any memory other than that in the {@link Page}s we | ||
| * hold, and calling {@link LookupFromIndexService.LookupResponse#takePages} | ||
| * gives us those pages. If we then close those pages, we should have 0 | ||
| * reserved memory. | ||
| */ | ||
| public void testTakePages() { | ||
| BlockFactory factory = blockFactory(); | ||
| LookupFromIndexService.LookupResponse orig = createTestInstance(factory); | ||
| try { | ||
| if (orig.pages().isEmpty()) { | ||
| assertThat(factory.breaker().getUsed(), equalTo(0L)); | ||
| return; | ||
| } | ||
| List<Page> pages = orig.takePages(); | ||
| Releasables.closeExpectNoException( | ||
| Releasables.wrap(Iterators.map(pages.iterator(), page -> page::releaseBlocks)) | ||
| ); | ||
| assertThat(factory.breaker().getUsed(), equalTo(0L)); | ||
| assertThat(orig.takePages(), nullValue()); | ||
| } finally { | ||
| orig.decRef(); | ||
| } | ||
| assertThat(factory.breaker().getUsed(), equalTo(0L)); | ||
| } | ||
|
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|
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| private BlockFactory blockFactory() { | ||
| BigArrays bigArrays = new MockBigArrays(PageCacheRecycler.NON_RECYCLING_INSTANCE, ByteSizeValue.ofMb(4 /* more than we need*/)) | ||
| .withCircuitBreaking(); | ||
| CircuitBreaker breaker = bigArrays.breakerService().getBreaker(CircuitBreaker.REQUEST); | ||
| breakers.add(breaker); | ||
| return new BlockFactory(breaker, bigArrays); | ||
| } | ||
|
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||
| @After | ||
| public void allBreakersEmpty() throws Exception { | ||
| // first check that all big arrays are released, which can affect breakers | ||
| MockBigArrays.ensureAllArraysAreReleased(); | ||
|
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| for (CircuitBreaker breaker : breakers) { | ||
| assertThat("Unexpected used in breaker: " + breaker, breaker.getUsed(), equalTo(0L)); | ||
| } | ||
| } | ||
| } |