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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.AggregationRefNode;
import com.yahoo.searchlib.expression.ConstantNode;
import com.yahoo.searchlib.expression.ExpressionNode;
import com.yahoo.searchlib.expression.IntegerResultNode;
import com.yahoo.searchlib.expression.NegateFunctionNode;
import com.yahoo.vespa.objects.BufferSerializer;
import com.yahoo.vespa.objects.Identifiable;
import org.junit.Test;
import java.util.Arrays;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.fail;
/**
* @author Simon Thoresen Hult
*/
public class GroupTestCase {
@Test
public void requireThatAggregationResultsCanBeAdded() {
Group group = new Group();
AggregationResult res = new AverageAggregationResult();
group.addAggregationResult(res);
assertEquals(1, group.getAggregationResults().size());
assertSame(res, group.getAggregationResults().get(0));
}
@Test
public void requireThatAggregationResultListIsImmutable() {
Group group = new Group();
try {
group.getAggregationResults().add(new AverageAggregationResult());
fail();
} catch (UnsupportedOperationException e) {
}
}
@Test
public void requireThatOrderByExpressionsCanBeAdded() {
Group group = new Group();
ExpressionNode foo = new ConstantNode(new IntegerResultNode(6));
group.addOrderBy(foo, true);
assertEquals(1, group.getOrderByExpressions().size());
assertSame(foo, group.getOrderByExpressions().get(0));
assertEquals(List.of(1), group.getOrderByIndexes());
ExpressionNode bar = new ConstantNode(new IntegerResultNode(9));
group.addOrderBy(bar, false);
assertEquals(2, group.getOrderByExpressions().size());
assertSame(bar, group.getOrderByExpressions().get(1));
assertEquals(Arrays.asList(1, -2), group.getOrderByIndexes());
}
@Test
public void requireThatOrderByListsAreImmutable() {
Group group = new Group();
try {
group.getOrderByExpressions().add(new ConstantNode(new IntegerResultNode(69)));
fail();
} catch (UnsupportedOperationException e) {
}
try {
group.getOrderByIndexes().add(69);
fail();
} catch (UnsupportedOperationException e) {
}
}
@Test
public void requireThatAddOrderByAddsAggregationResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addOrderBy(res, true);
assertEquals(1, group.getAggregationResults().size());
assertSame(res, group.getAggregationResults().get(0));
}
@Test
public void requireThatAddOrderByDoesNotAddDuplicateAggregationResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addAggregationResult(res);
group.addOrderBy(res, true);
assertEquals(1, group.getAggregationResults().size());
assertSame(res, group.getAggregationResults().get(0));
}
@Test
public void requireThatAddOrderByIgnoresAggregationResultTagWhenMatching() {
Group group = new Group();
AggregationResult foo = new MinAggregationResult();
foo.setTag(6);
group.addAggregationResult(foo);
AggregationResult bar = new MinAggregationResult();
bar.setTag(9);
group.addOrderBy(bar, true);
assertEquals(1, group.getAggregationResults().size());
assertSame(foo, group.getAggregationResults().get(0));
assertEquals(6, foo.getTag());
}
@Test
public void requireThatAddOrderByDoesNotModifyTagOfNewAggregationResult() {
Group group = new Group();
AggregationResult foo = new MinAggregationResult();
foo.setTag(6);
group.addAggregationResult(foo);
AggregationResult bar = new MaxAggregationResult();
bar.setTag(9);
group.addOrderBy(bar, true);
assertEquals(2, group.getAggregationResults().size());
assertSame(foo, group.getAggregationResults().get(0));
assertEquals(6, foo.getTag());
assertSame(bar, group.getAggregationResults().get(1));
assertEquals(9, bar.getTag());
}
@Test
public void requireThatAddOrderByAddsReferencedAggregationResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addOrderBy(new AggregationRefNode(res), true);
assertEquals(1, group.getAggregationResults().size());
assertSame(res, group.getAggregationResults().get(0));
}
@Test
public void requireThatAddOrderByDoesNotAddDuplicateReferencedAggregationResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addAggregationResult(res);
group.addOrderBy(new AggregationRefNode(res), true);
assertEquals(1, group.getAggregationResults().size());
assertSame(res, group.getAggregationResults().get(0));
}
@Test
public void requireThatAddOrderByAddsDeepReferencedAggregationResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addOrderBy(new NegateFunctionNode(new AggregationRefNode(res)), true);
assertEquals(1, group.getAggregationResults().size());
assertSame(res, group.getAggregationResults().get(0));
}
@Test
public void requireThatAddOrderByDoesNotAddDuplicateDeepReferencedAggregationResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addAggregationResult(res);
group.addOrderBy(new NegateFunctionNode(new AggregationRefNode(res)), true);
assertEquals(1, group.getAggregationResults().size());
assertSame(res, group.getAggregationResults().get(0));
}
@Test
public void requireThatAddOrderByResolvesReferenceIndex() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addAggregationResult(res);
group.addOrderBy(new AggregationRefNode(res), true);
assertEquals(1, group.getOrderByExpressions().size());
AggregationRefNode ref = (AggregationRefNode)group.getOrderByExpressions().get(0);
assertEquals(0, ref.getIndex());
assertSame(res, ref.getExpression());
}
@Test
public void requireThatAddOrderByResolvesDeepReferenceIndex() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addAggregationResult(res);
group.addOrderBy(new NegateFunctionNode(new AggregationRefNode(res)), true);
assertEquals(1, group.getOrderByExpressions().size());
AggregationRefNode ref = (AggregationRefNode)((NegateFunctionNode)group.getOrderByExpressions().get(0)).getArg();
assertEquals(0, ref.getIndex());
assertSame(res, ref.getExpression());
}
@Test
public void requireThatAddOrderByResolvesReferenceResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addOrderBy(new AggregationRefNode(res), true);
assertEquals(1, group.getOrderByExpressions().size());
AggregationRefNode ref = (AggregationRefNode)group.getOrderByExpressions().get(0);
assertEquals(0, ref.getIndex());
assertSame(res, ref.getExpression());
}
@Test
public void requireThatAddOrderByResolvesDeepReferenceResult() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addOrderBy(new NegateFunctionNode(new AggregationRefNode(res)), true);
assertEquals(1, group.getOrderByExpressions().size());
AggregationRefNode ref = (AggregationRefNode)((NegateFunctionNode)group.getOrderByExpressions().get(0)).getArg();
assertEquals(0, ref.getIndex());
assertSame(res, ref.getExpression());
}
@Test
public void requireThatCloneResolvesAggregationRef() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addOrderBy(new AggregationRefNode(res), true);
group = group.clone();
assertEquals(1, group.getOrderByExpressions().size());
AggregationRefNode ref = (AggregationRefNode)group.getOrderByExpressions().get(0);
assertEquals(0, ref.getIndex());
assertEquals(res, ref.getExpression());
assertNotSame(res, ref.getExpression());
}
@Test
public void requireThatDeserializeResolvesAggregationRef() {
Group group = new Group();
AggregationResult res = new MinAggregationResult();
group.addOrderBy(new AggregationRefNode(res), true);
BufferSerializer buf = new BufferSerializer();
group.serializeWithId(buf);
buf.flip();
group = (Group)Identifiable.create(buf);
assertEquals(1, group.getOrderByExpressions().size());
AggregationRefNode ref = (AggregationRefNode)group.getOrderByExpressions().get(0);
assertEquals(0, ref.getIndex());
assertEquals(res, ref.getExpression());
assertNotSame(res, ref.getExpression());
}
}
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