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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.search.grouping.request;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author Simon Thoresen Hult
*/
public class RequestTestCase {
@Test
void requireThatApiWorks() {
GroupingOperation op = new AllOperation()
.setGroupBy(new AttributeValue("foo"))
.addOrderBy(new CountAggregator())
.addChildren(Arrays.asList(new AllOperation(), new EachOperation()))
.addChild(new EachOperation()
.addOutput(new CountAggregator())
.addOutput(new MinAggregator(new AttributeValue("bar")))
.addChild(new EachOperation()
.addOutput(new AddFunction(
new LongValue(69),
new AttributeValue("baz")))
.addOutput(new SummaryValue("cox"))));
assertEquals("all(group(foo) order(count()) all() each() " +
"each(output(count(), min(bar)) each(output(add(69, baz), summary(cox)))))",
op.toString());
op.resolveLevel(1);
GroupingExpression exp = op.getGroupBy();
assertNotNull(exp);
assertTrue(exp instanceof AttributeValue);
assertEquals("foo", ((AttributeValue) exp).getAttributeName());
assertEquals(1, op.getNumOrderBy());
assertNotNull(exp = op.getOrderBy(0));
assertTrue(exp instanceof CountAggregator);
assertEquals(3, op.getNumChildren());
assertTrue(op.getChild(0) instanceof AllOperation);
assertTrue(op.getChild(1) instanceof EachOperation);
assertNotNull(op = op.getChild(2));
assertTrue(op instanceof EachOperation);
assertEquals(2, op.getNumOutputs());
assertNotNull(exp = op.getOutput(0));
assertTrue(exp instanceof CountAggregator);
assertNotNull(exp = op.getOutput(1));
assertTrue(exp instanceof MinAggregator);
assertNotNull(exp = ((MinAggregator) exp).getExpression());
assertTrue(exp instanceof AttributeValue);
assertEquals("bar", ((AttributeValue) exp).getAttributeName());
assertEquals(1, op.getNumChildren());
assertNotNull(op = op.getChild(0));
assertTrue(op instanceof EachOperation);
assertEquals(2, op.getNumOutputs());
assertNotNull(exp = op.getOutput(0));
assertTrue(exp instanceof AddFunction);
assertEquals(2, ((AddFunction) exp).getNumArgs());
GroupingExpression arg = ((AddFunction) exp).getArg(0);
assertNotNull(arg);
assertTrue(arg instanceof LongValue);
assertEquals(69L, ((LongValue) arg).getValue().longValue());
assertNotNull(arg = ((AddFunction) exp).getArg(1));
assertTrue(arg instanceof AttributeValue);
assertEquals("baz", ((AttributeValue) arg).getAttributeName());
assertNotNull(exp = op.getOutput(1));
assertTrue(exp instanceof SummaryValue);
assertEquals("cox", ((SummaryValue) exp).getSummaryName());
}
@Test
void requireThatPredefinedApiWorks() {
PredefinedFunction fnc = new LongPredefined(new AttributeValue("foo"),
new LongBucket(1, 2),
new LongBucket(3, 4));
assertEquals(2, fnc.getNumBuckets());
BucketValue bucket = fnc.getBucket(0);
assertNotNull(bucket);
assertTrue(bucket instanceof LongBucket);
assertEquals(1L, bucket.getFrom().getValue());
assertEquals(2L, bucket.getTo().getValue());
assertNotNull(bucket = fnc.getBucket(1));
assertTrue(bucket instanceof LongBucket);
assertEquals(3L, bucket.getFrom().getValue());
assertEquals(4L, bucket.getTo().getValue());
}
@Test
void requireThatBucketIntegrityIsChecked() {
try {
new LongBucket(2, 1);
} catch (IllegalArgumentException e) {
assertEquals("Bucket to-value can not be less than from-value.", e.getMessage());
}
try {
new LongPredefined(new AttributeValue("foo"),
new LongBucket(3, 4),
new LongBucket(1, 2));
} catch (IllegalArgumentException e) {
assertEquals("Buckets must be monotonically increasing, got bucket[3, 4> before bucket[1, 2>.",
e.getMessage());
}
}
@Test
void requireThatAliasWorks() {
GroupingOperation all = new AllOperation();
all.putAlias("myalias", new AttributeValue("foo"));
GroupingExpression exp = all.getAlias("myalias");
assertNotNull(exp);
assertTrue(exp instanceof AttributeValue);
assertEquals("foo", ((AttributeValue) exp).getAttributeName());
GroupingOperation each = new EachOperation();
all.addChild(each);
assertNotNull(exp = each.getAlias("myalias"));
assertTrue(exp instanceof AttributeValue);
assertEquals("foo", ((AttributeValue) exp).getAttributeName());
each.putAlias("myalias", new AttributeValue("bar"));
assertNotNull(exp = each.getAlias("myalias"));
assertTrue(exp instanceof AttributeValue);
assertEquals("bar", ((AttributeValue) exp).getAttributeName());
}
@Test
void testOrderBy() {
GroupingOperation all = new AllOperation();
all.addOrderBy(new AttributeValue("foo"));
try {
all.resolveLevel(0);
fail();
} catch (IllegalArgumentException e) {
assertEquals("Operation 'all(order(foo))' can not order single hit.", e.getMessage());
}
all.resolveLevel(1);
assertEquals(0, all.getOrderBy(0).getLevel());
}
@Test
void testMax() {
GroupingOperation all = new AllOperation();
all.setMax(69);
try {
all.resolveLevel(0);
fail();
} catch (IllegalArgumentException e) {
assertEquals("Operation 'all(max(69))' can not apply max to single hit.", e.getMessage());
}
all.resolveLevel(1);
}
@Test
void testAccuracy() {
GroupingOperation all = new AllOperation();
all.setAccuracy(0.53);
assertEquals((long) (100.0 * all.getAccuracy()), 53);
try {
all.setAccuracy(1.2);
fail();
} catch (IllegalArgumentException e) {
assertEquals("Illegal accuracy '1.2'. Must be between 0 and 1.", e.getMessage());
}
try {
all.setAccuracy(-0.5);
fail();
} catch (IllegalArgumentException e) {
assertEquals("Illegal accuracy '-0.5'. Must be between 0 and 1.", e.getMessage());
}
}
@Test
void testLevelChange() {
GroupingOperation all = new AllOperation();
all.resolveLevel(0);
assertEquals(0, all.getLevel());
all.setGroupBy(new AttributeValue("foo"));
all.resolveLevel(1);
assertEquals(2, all.getLevel());
GroupingOperation each = new EachOperation();
try {
each.resolveLevel(0);
fail();
} catch (IllegalArgumentException e) {
assertEquals("Operation '" + each + "' can not operate on single hit.", e.getMessage());
}
each.resolveLevel(1);
assertEquals(0, each.getLevel());
each.setGroupBy(new AttributeValue("foo"));
each.resolveLevel(2);
assertEquals(2, each.getLevel());
}
@Test
void testLevelInheritance() {
GroupingOperation grandParent, parent, child, grandChild;
grandParent = new AllOperation()
.addChild(parent = new EachOperation()
.addChild(child = new AllOperation()
.addChild(grandChild = new EachOperation())));
grandParent.resolveLevel(69);
assertEquals(69, grandParent.getLevel());
assertEquals(68, parent.getLevel());
assertEquals(68, child.getLevel());
assertEquals(67, grandChild.getLevel());
}
@Test
void testLevelPropagation() {
GroupingOperation all = new AllOperation()
.setGroupBy(new AttributeValue("foo"))
.addOrderBy(new MaxAggregator(new AttributeValue("bar")))
.addChild(new EachOperation()
.addOutput(new MaxAggregator(new AttributeValue("baz"))));
all.resolveLevel(1);
assertEquals(0, all.getGroupBy().getLevel());
assertEquals(1, all.getOrderBy(0).getLevel());
assertEquals(1, all.getChild(0).getOutput(0).getLevel());
assertEquals(0, ((AggregatorNode) all.getChild(0).getOutput(0)).getExpression().getLevel());
}
}
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