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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.prelude.query.parser.test;
import com.yahoo.prelude.query.AndItem;
import com.yahoo.prelude.query.CompositeItem;
import com.yahoo.prelude.query.Item;
import com.yahoo.prelude.query.NullItem;
import com.yahoo.prelude.query.PhraseItem;
import com.yahoo.prelude.query.WordItem;
import com.yahoo.prelude.query.parser.AbstractParser;
import com.yahoo.search.Query;
import com.yahoo.search.query.parser.Parsable;
import com.yahoo.search.query.parser.Parser;
import com.yahoo.search.query.parser.ParserEnvironment;
import com.yahoo.search.query.parser.ParserFactory;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
/**
* Tests guards against in single item phrases.
*
* @author Steinar Knutsen
*/
public class WashPhrasesTestCase {
@Test
void testSimplePositive() {
PhraseItem root = new PhraseItem();
root.addItem(new WordItem("abc"));
assertEquals("abc", transformQuery(root));
}
@Test
void testPositive1() {
AndItem root = new AndItem();
root.addItem(new WordItem("a"));
PhraseItem embedded = new PhraseItem();
embedded.addItem(new WordItem("bcd"));
root.addItem(embedded);
root.addItem(new WordItem("e"));
assertEquals("AND a bcd e", transformQuery(root));
}
@Test
void testPositive2() {
AndItem root = new AndItem();
root.addItem(new WordItem("a"));
CompositeItem embedded = new AndItem();
embedded.addItem(new WordItem("bcd"));
CompositeItem phrase = new PhraseItem();
phrase.addItem(new WordItem("def"));
embedded.addItem(phrase);
root.addItem(embedded);
root.addItem(new WordItem("e"));
assertEquals("AND a (AND bcd def) e", transformQuery(root));
}
@Test
void testNoTerms() {
assertNull(transformQuery("\"\""));
}
@Test
void testNegative1() {
assertEquals("\"abc def\"", transformQuery("\"abc def\""));
}
@Test
void testNegative2() {
assertEquals("AND a \"abc def\" b", transformQuery("a \"abc def\" b"));
}
@Test
void testNegative3() {
AndItem root = new AndItem();
root.addItem(new WordItem("a"));
CompositeItem embedded = new AndItem();
embedded.addItem(new WordItem("bcd"));
CompositeItem phrase = new PhraseItem();
phrase.addItem(new WordItem("def"));
phrase.addItem(new WordItem("ghi"));
embedded.addItem(phrase);
root.addItem(embedded);
root.addItem(new WordItem("e"));
assertEquals("AND a (AND bcd \"def ghi\") e", transformQuery(root));
}
private String transformQuery(String rawQuery) {
Parser parser = ParserFactory.newInstance(Query.Type.ALL, new ParserEnvironment());
Item root = parser.parse(new Parsable().setQuery(rawQuery)).getRoot();
if (root instanceof NullItem) {
return null;
}
return root.toString();
}
private String transformQuery(Item queryTree) {
return AbstractParser.simplifyPhrases(queryTree).toString();
}
}
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