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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.prelude.query.test;
import com.yahoo.prelude.query.Item;
import com.yahoo.prelude.query.PureWeightedString;
import com.yahoo.prelude.query.WandItem;
import com.yahoo.prelude.query.textualrepresentation.Discloser;
import com.yahoo.prelude.query.textualrepresentation.TextualQueryRepresentation;
import org.junit.jupiter.api.Test;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* Unit tests for WandItem.
*/
public class WandItemTestCase {
private static final double DELTA = 0.0000001;
@Test
void requireThatWandItemCanBeConstructed() {
WandItem item = new WandItem("myfield", 10);
assertEquals("myfield", item.getIndexName());
assertEquals(10, item.getTargetNumHits());
assertEquals(0.0, item.getScoreThreshold(), DELTA);
assertEquals(1.0, item.getThresholdBoostFactor(), DELTA);
assertEquals(Item.ItemType.WAND, item.getItemType());
}
@Test
void requireThatEncodeIsWorking() {
WandItem item = createSimpleItem();
ByteBuffer actual = ByteBuffer.allocate(128);
ByteBuffer expect = ByteBuffer.allocate(128);
expect.put((byte) 22).put((byte) 1);
Item.putString("myfield", expect);
expect.put((byte) 10); // targetNumHits
expect.putDouble(20); // scoreThreshold
expect.putDouble(2.0); // thresholdBoostFactor
new PureWeightedString("foo", 30).encode(expect);
assertEquals(2, item.encode(actual));
actual.flip();
expect.flip();
assertEquals(expect, actual);
}
@Test
void requireThatToStringIsWorking() {
assertEquals("WAND(10,20.0,2.0) myfield{[30]:\"foo\"}", createSimpleItem().toString());
}
@Test
void requireThatDiscloseIsWorking() {
class TestDiscloser implements Discloser {
public final Map<String, Object> props = new HashMap<>();
public void addProperty(String key, Object value) {
props.put(key, value);
}
public void setValue(Object value) {
}
public void addChild(Item item) {
}
}
TestDiscloser discloser = new TestDiscloser();
createSimpleItem().disclose(discloser);
assertEquals(10, discloser.props.get("targetNumHits"));
assertEquals(20.0, discloser.props.get("scoreThreshold"));
assertEquals(2.0, discloser.props.get("thresholdBoostFactor"));
assertEquals("myfield", discloser.props.get("index"));
}
@Test
void testTextualRepresentation() {
WandItem item = new WandItem("myfield", 10);
item.addToken("term1", 10);
item.setScoreThreshold(20);
item.setThresholdBoostFactor(2.0);
assertEquals("WAND[index=\"myfield\" scoreThreshold=20.0 targetNumHits=10 thresholdBoostFactor=2.0]{\n" +
" PURE_WEIGHTED_STRING[weight=10]{\n" +
" \"term1\"\n" +
" }\n" +
"}\n",
new TextualQueryRepresentation(item).toString());
}
private static WandItem createSimpleItem() {
WandItem item = new WandItem("myfield", 10);
item.addToken("foo", 30);
item.setScoreThreshold(20);
item.setThresholdBoostFactor(2.0);
return item;
}
}
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