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Elasticsearch subproject :test:framework
/*
* 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 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.aggregations;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.io.stream.NamedWriteableAwareStreamInput;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.search.aggregations.support.ValuesSourceAggregationBuilder;
import org.elasticsearch.test.AbstractBuilderTestCase;
import org.elasticsearch.xcontent.ToXContent;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentFactory;
import org.elasticsearch.xcontent.XContentParser;
import org.elasticsearch.xcontent.XContentType;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import static org.elasticsearch.test.EqualsHashCodeTestUtils.checkEqualsAndHashCode;
import static org.hamcrest.Matchers.hasSize;
public abstract class BaseAggregationTestCase> extends AbstractBuilderTestCase {
protected static final String IP_FIELD_NAME = "mapped_ip";
protected abstract AB createTestAggregatorBuilder();
/**
* Generic test that creates new AggregatorFactory from the test
* AggregatorFactory and checks both for equality and asserts equality on
* the two queries.
*/
public void testFromXContent() throws IOException {
AB testAgg = createTestAggregatorBuilder();
AggregatorFactories.Builder factoriesBuilder = AggregatorFactories.builder().addAggregator(testAgg);
XContentBuilder builder = XContentFactory.contentBuilder(randomFrom(XContentType.values()));
if (randomBoolean()) {
builder.prettyPrint();
}
factoriesBuilder.toXContent(builder, ToXContent.EMPTY_PARAMS);
XContentBuilder shuffled = shuffleXContent(builder);
XContentParser parser = createParser(shuffled);
AggregationBuilder newAgg = parse(parser);
assertNotSame(newAgg, testAgg);
assertEquals(testAgg, newAgg);
assertEquals(testAgg.hashCode(), newAgg.hashCode());
}
/**
* Create at least 2 aggregations and test equality and hash
*/
public void testFromXContentMulti() throws IOException {
AggregatorFactories.Builder factoriesBuilder = AggregatorFactories.builder();
List testAggs = createTestAggregatorBuilders();
for (AB testAgg : testAggs) {
factoriesBuilder.addAggregator(testAgg);
}
XContentBuilder builder = XContentFactory.contentBuilder(randomFrom(XContentType.values()));
if (randomBoolean()) {
builder.prettyPrint();
}
factoriesBuilder.toXContent(builder, ToXContent.EMPTY_PARAMS);
XContentBuilder shuffled = shuffleXContent(builder);
XContentParser parser = createParser(shuffled);
assertSame(XContentParser.Token.START_OBJECT, parser.nextToken());
AggregatorFactories.Builder parsed = AggregatorFactories.parseAggregators(parser);
assertThat(parsed.getAggregatorFactories(), hasSize(testAggs.size()));
assertThat(parsed.getPipelineAggregatorFactories(), hasSize(0));
assertEquals(factoriesBuilder, parsed);
assertEquals(factoriesBuilder.hashCode(), parsed.hashCode());
}
/**
* Create at least 2 aggregations and test equality and hash
*/
public void testSerializationMulti() throws IOException {
AggregatorFactories.Builder builder = AggregatorFactories.builder();
List testAggs = createTestAggregatorBuilders();
for (AB testAgg : testAggs) {
builder.addAggregator(testAgg);
}
try (BytesStreamOutput output = new BytesStreamOutput()) {
builder.writeTo(output);
try (StreamInput in = new NamedWriteableAwareStreamInput(output.bytes().streamInput(), namedWriteableRegistry())) {
AggregatorFactories.Builder newBuilder = new AggregatorFactories.Builder(in);
assertEquals(builder, newBuilder);
assertEquals(builder.hashCode(), newBuilder.hashCode());
assertNotSame(builder, newBuilder);
}
}
}
/**
* Generic test that checks that the toString method renders the XContent
* correctly.
*/
public void testToString() throws IOException {
AB testAgg = createTestAggregatorBuilder();
String toString = randomBoolean() ? Strings.toString(testAgg) : testAgg.toString();
XContentParser parser = createParser(XContentType.JSON.xContent(), toString);
AggregationBuilder newAgg = parse(parser);
assertNotSame(newAgg, testAgg);
assertEquals(testAgg, newAgg);
assertEquals(testAgg.hashCode(), newAgg.hashCode());
}
protected AggregationBuilder parse(XContentParser parser) throws IOException {
assertSame(XContentParser.Token.START_OBJECT, parser.nextToken());
AggregatorFactories.Builder parsed = AggregatorFactories.parseAggregators(parser);
assertThat(parsed.getAggregatorFactories(), hasSize(1));
assertThat(parsed.getPipelineAggregatorFactories(), hasSize(0));
AggregationBuilder newAgg = parsed.getAggregatorFactories().iterator().next();
assertNull(parser.nextToken());
assertNotNull(newAgg);
return newAgg;
}
/**
* Test serialization and deserialization of the test AggregatorFactory.
*/
public void testSerialization() throws IOException {
AB testAgg = createTestAggregatorBuilder();
try (BytesStreamOutput output = new BytesStreamOutput()) {
output.writeNamedWriteable(testAgg);
try (StreamInput in = new NamedWriteableAwareStreamInput(output.bytes().streamInput(), namedWriteableRegistry())) {
AggregationBuilder deserialized = in.readNamedWriteable(AggregationBuilder.class);
assertEquals(testAgg, deserialized);
assertEquals(testAgg.hashCode(), deserialized.hashCode());
assertNotSame(testAgg, deserialized);
@SuppressWarnings("unchecked") // They are .equal so its safe
AB castDeserialized = (AB) deserialized;
assertToXContentAfterSerialization(testAgg, castDeserialized);
}
}
}
/**
* Make sure serialization preserves toXContent.
*/
protected void assertToXContentAfterSerialization(AB original, AB deserialized) throws IOException {
assertEquals(Strings.toString(original), Strings.toString(deserialized));
}
public void testEqualsAndHashcode() throws IOException {
// TODO we only change name and boost, we should extend by any sub-test supplying a "mutate" method that randomly changes one
// aspect of the object under test
checkEqualsAndHashCode(createTestAggregatorBuilder(), this::copyAggregation);
}
public void testShallowCopy() {
AB original = createTestAggregatorBuilder();
AggregationBuilder clone = original.shallowCopy(original.factoriesBuilder, original.metadata);
assertNotSame(original, clone);
assertEquals(original, clone);
}
// we use the streaming infra to create a copy of the query provided as
// argument
protected AB copyAggregation(AB agg) throws IOException {
try (BytesStreamOutput output = new BytesStreamOutput()) {
agg.writeTo(output);
try (StreamInput in = new NamedWriteableAwareStreamInput(output.bytes().streamInput(), namedWriteableRegistry())) {
@SuppressWarnings("unchecked")
AB secondAgg = (AB) namedWriteableRegistry().getReader(AggregationBuilder.class, agg.getWriteableName()).read(in);
return secondAgg;
}
}
}
public String randomNumericField() {
int randomInt = randomInt(3);
return switch (randomInt) {
case 0 -> DATE_FIELD_NAME;
case 1 -> DOUBLE_FIELD_NAME;
case 2 -> INT_FIELD_NAME;
default -> INT_FIELD_NAME;
};
}
protected void randomFieldOrScript(ValuesSourceAggregationBuilder factory, String field) {
int choice = randomInt(2);
switch (choice) {
case 0 -> factory.field(field);
case 1 -> {
factory.field(field);
factory.script(mockScript("_value + 1"));
}
case 2 -> factory.script(mockScript("doc[" + field + "] + 1"));
default -> throw new AssertionError("Unknown random operation [" + choice + "]");
}
}
private List createTestAggregatorBuilders() {
int numberOfAggregatorBuilders = randomIntBetween(2, 10);
// ensure that we do not create 2 aggregations with the same name
Set names = new HashSet<>();
List aggBuilders = new ArrayList<>();
while (names.size() < numberOfAggregatorBuilders) {
AB aggBuilder = createTestAggregatorBuilder();
if (names.add(aggBuilder.getName())) {
aggBuilders.add(aggBuilder);
}
}
return aggBuilders;
}
}
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