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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchlib.aggregation;
import com.yahoo.searchlib.expression.FloatResultNode;
import com.yahoo.searchlib.expression.NullResultNode;
import com.yahoo.searchlib.expression.StringBucketResultNode;
import com.yahoo.vespa.objects.BufferSerializer;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collections;
import static org.junit.Assert.*;
/**
* @author Simon Thoresen Hult
*/
public class GroupingTestCase {
private static final int VALID_BYTE_INDEX = 8;
@Test
public void requireThatIdAccessorsWork() {
Grouping grouping = new Grouping();
assertEquals(0, grouping.getId());
grouping = new Grouping(6);
assertEquals(6, grouping.getId());
grouping.setId(9);
assertEquals(9, grouping.getId());
Grouping other = new Grouping(6);
assertFalse(grouping.equals(other));
other.setId(9);
assertEquals(grouping, other);
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatAllAccessorsWork() {
Grouping grouping = new Grouping();
assertFalse(grouping.getAll());
grouping.setAll(true);
assertTrue(grouping.getAll());
Grouping other = new Grouping();
assertFalse(grouping.equals(other));
other.setAll(true);
assertEquals(grouping, other);
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatTopNAccessorsWork() {
Grouping grouping = new Grouping();
assertEquals(-1, grouping.getTopN());
grouping.setTopN(69);
assertEquals(69, grouping.getTopN());
Grouping other = new Grouping();
assertFalse(grouping.equals(other));
other.setTopN(69);
assertEquals(grouping, other);
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatFirstLevelAccessorsWork() {
Grouping grouping = new Grouping();
assertEquals(0, grouping.getFirstLevel());
grouping.setFirstLevel(69);
assertEquals(69, grouping.getFirstLevel());
Grouping other = new Grouping();
assertFalse(grouping.equals(other));
other.setFirstLevel(69);
assertEquals(grouping, other);
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatLastLevelAccessorsWork() {
Grouping grouping = new Grouping();
assertEquals(0, grouping.getLastLevel());
grouping.setLastLevel(69);
assertEquals(69, grouping.getLastLevel());
Grouping other = new Grouping();
assertFalse(grouping.equals(other));
other.setLastLevel(69);
assertEquals(grouping, other);
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatRootAccessorsWork() {
Grouping grouping = new Grouping();
assertEquals(new Group(), grouping.getRoot());
try {
grouping.setRoot(null);
fail();
} catch (NullPointerException e) {
}
Group root = new Group().setRank(6.9);
grouping.setRoot(root);
assertEquals(root, grouping.getRoot());
Grouping other = new Grouping();
assertFalse(grouping.equals(other));
other.setRoot(root);
assertEquals(grouping, other);
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatLevelAccessorsWork() {
Grouping grouping = new Grouping();
assertEquals(Collections.emptyList(), grouping.getLevels());
try {
grouping.addLevel(null);
fail();
} catch (NullPointerException e) {
}
GroupingLevel level = new GroupingLevel();
grouping.addLevel(level);
assertEquals(Arrays.asList(level), grouping.getLevels());
Grouping other = new Grouping();
assertFalse(grouping.equals(other));
other.addLevel(level);
assertEquals(grouping, other);
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatHashCodeIsImplemented() {
assertEquals(new Grouping().hashCode(), new Grouping().hashCode());
}
@Test
public void requireThatEqualsIsImplemented() {
assertFalse(new Grouping().equals(new Object()));
assertTrue(new Grouping().equals(new Grouping()));
}
@Test
public void requireThatValidAccessorsWork() {
byte[] arr = new byte[1024];
BufferSerializer buf = new BufferSerializer(arr);
Grouping grouping = new Grouping();
grouping.serializeWithId(buf);
buf.flip();
assertEquals(1, arr[VALID_BYTE_INDEX]);
arr[VALID_BYTE_INDEX] = 0;
Grouping other = (Grouping)Grouping.create(buf);
assertFalse(other.valid());
assertEquals(grouping, grouping.clone());
assertSerialize(grouping);
}
@Test
public void requireThatSetForceSinglePassWorks() {
assertFalse(new Grouping().getForceSinglePass());
assertFalse(new Grouping().setForceSinglePass(false).getForceSinglePass());
assertTrue(new Grouping().setForceSinglePass(true).getForceSinglePass());
}
@Test
public void requireThatNeedDeepResultCollectionWorks() {
assertFalse(new Grouping().addLevel(new GroupingLevel().setGroupPrototype(new Group())).needDeepResultCollection());
assertTrue(new Grouping().addLevel(new GroupingLevel().setGroupPrototype(new Group().addOrderBy(new CountAggregationResult(9), true))).needDeepResultCollection());
assertTrue(new Grouping().addLevel(new GroupingLevel().setGroupPrototype(new Group().addOrderBy(new AverageAggregationResult(), true))).needDeepResultCollection());
}
@Test
public void requireThatUseSinglePassWorks() {
assertFalse(new Grouping().useSinglePass());
assertFalse(new Grouping().setForceSinglePass(false).useSinglePass());
assertTrue(new Grouping().setForceSinglePass(true).useSinglePass());
assertFalse(new Grouping().addLevel(new GroupingLevel().setGroupPrototype(new Group())).useSinglePass());
assertTrue(new Grouping().addLevel(new GroupingLevel().setGroupPrototype(new Group().addOrderBy(new CountAggregationResult(9), true))).useSinglePass());
}
@Test
public void requireThatUnifyNullReplacesEmptyBucketIds() {
Grouping grouping = new Grouping();
grouping.getRoot().addChild(new Group().setId(new StringBucketResultNode()));
grouping.setLastLevel(1); // otherwise unifyNull will not operate on it
grouping.unifyNull();
assertEquals(NullResultNode.class, grouping.getRoot().getChildren().get(0).getId().getClass());
}
@Test
public void requireThatUnifyNullDoesNotReplaceNonEmptyBucketIds() {
Grouping grouping = new Grouping();
grouping.getRoot().addChild(new Group().setId(new StringBucketResultNode("6", "9")));
grouping.setLastLevel(1); // otherwise unifyNull will not operate on it
grouping.unifyNull();
assertEquals(StringBucketResultNode.class, grouping.getRoot().getChildren().get(0).getId().getClass());
}
private static void assertSerialize(Grouping grouping) {
BufferSerializer buf = new BufferSerializer();
grouping.serializeWithId(buf);
buf.flip();
Grouping other = (Grouping)Grouping.create(buf);
assertEquals(grouping, other);
}
}
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