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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.content.cluster;
import com.yahoo.vespa.model.builder.xml.dom.ModelElement;
import com.yahoo.vespa.model.content.DispatchTuning;
import com.yahoo.vespa.model.test.utils.DeployLoggerStub;
import org.junit.jupiter.api.Test;
import javax.xml.parsers.DocumentBuilderFactory;
import java.io.ByteArrayInputStream;
import java.nio.charset.StandardCharsets;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author Simon Thoresen Hult
*/
public class DomDispatchTuningBuilderTest {
@Test
void requireThatDefaultsAreNull() throws Exception {
DispatchTuning dispatch = newTuningDispatch(
"<content/>");
assertNull(dispatch.getMaxHitsPerPartition());
}
@Test
void requireThatEmptyTuningIsSafe() throws Exception {
DispatchTuning dispatch = newTuningDispatch(
"<content>" +
" <tuning/>" +
"</content>");
assertNull(dispatch.getMaxHitsPerPartition());
}
@Test
void requireThatEmptydispatchIsSafe() throws Exception {
DispatchTuning dispatch = newTuningDispatch(
"<content>" +
" <tuning>" +
" <dispatch/>" +
" </tuning>" +
"</content>");
assertNull(dispatch.getMaxHitsPerPartition());
assertNull(dispatch.getMinActiveDocsCoverage());
assertNull(dispatch.getDispatchPolicy());
assertNull(dispatch.getTopkProbability());
}
@Test
void requireThatTuningDispatchCanBeBuilt() throws Exception {
DispatchTuning dispatch = newTuningDispatch(
"<content>" +
" <tuning>" +
" <dispatch>" +
" <max-hits-per-partition>69</max-hits-per-partition>" +
" <min-active-docs-coverage>12.5</min-active-docs-coverage>" +
" <top-k-probability>0.999</top-k-probability>" +
" </dispatch>" +
" </tuning>" +
"</content>");
assertEquals(69, dispatch.getMaxHitsPerPartition().intValue());
assertEquals(12.5, dispatch.getMinActiveDocsCoverage(), 0.0);
assertEquals(0.999, dispatch.getTopkProbability(), 0.0);
}
private static String dispatchPolicy(String policy) {
return "<content>" +
" <tuning>" +
" <dispatch>" +
" <dispatch-policy>" + policy +"</dispatch-policy>" +
" </dispatch>" +
" </tuning>" +
"</content>";
}
@Test
void requireThatTuningDispatchPolicies() throws Exception {
assertEquals(DispatchTuning.DispatchPolicy.ROUNDROBIN,
newTuningDispatch(dispatchPolicy("round-robin")).getDispatchPolicy());
assertEquals(DispatchTuning.DispatchPolicy.ADAPTIVE,
newTuningDispatch(dispatchPolicy("random")).getDispatchPolicy());
assertEquals(DispatchTuning.DispatchPolicy.ADAPTIVE,
newTuningDispatch(dispatchPolicy("adaptive")).getDispatchPolicy());
assertEquals(DispatchTuning.DispatchPolicy.BEST_OF_RANDOM_2,
newTuningDispatch(dispatchPolicy("best-of-random-2")).getDispatchPolicy());
assertEquals(DispatchTuning.DispatchPolicy.LATENCY_AMORTIZED_OVER_REQUESTS,
newTuningDispatch(dispatchPolicy("latency-amortized-over-requests")).getDispatchPolicy());
assertEquals(DispatchTuning.DispatchPolicy.LATENCY_AMORTIZED_OVER_TIME,
newTuningDispatch(dispatchPolicy("latency-amortized-over-time")).getDispatchPolicy());
}
private static DispatchTuning newTuningDispatch(String xml) throws Exception {
return DomTuningDispatchBuilder.build(
new ModelElement(DocumentBuilderFactory.newInstance()
.newDocumentBuilder()
.parse(new ByteArrayInputStream(xml.getBytes(StandardCharsets.UTF_8)))
.getDocumentElement()),
new DeployLoggerStub());
}
}
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