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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.querytransform.test;
import com.yahoo.prelude.query.AndItem;
import com.yahoo.prelude.query.IntItem;
import com.yahoo.prelude.query.WordItem;
import com.yahoo.prelude.querytransform.PhraseMatcher;
import org.junit.jupiter.api.Test;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author bratseth
*/
public class PhraseMatcherTestCase {
@Test
void testSingleItemMatching() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa");
matcher.setMatchSingleItems(true);
List<?> matches = matcher.matchPhrases(new WordItem("aword"));
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(1, match.getLength());
assertEquals("", match.getData());
assertNull(match.getOwner());
assertEquals(0, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem("aword"), i.next());
assertNull(i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testSingleItemMatchingCaseInsensitive() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa");
matcher.setMatchSingleItems(true);
final String mixedCase = "aWoRD";
List<?> matches = matcher.matchPhrases(new WordItem(mixedCase));
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(1, match.getLength());
assertEquals("", match.getData());
assertNull(match.getOwner());
assertEquals(0, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem(mixedCase), i.next());
assertNull(i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testSingleItemMatchingWithPluralIgnore() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa", true);
matcher.setMatchSingleItems(true);
List<?> matches = matcher.matchPhrases(new WordItem("awords"));
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(1, match.getLength());
assertEquals("", match.getData());
assertNull(match.getOwner());
assertEquals(0, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem("awords"), i.next());
assertEquals("aword", i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testSingleItemMatchingCaseInsensitiveWithPluralIgnore() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa", true);
matcher.setMatchSingleItems(true);
final String mixedCase = "aWoRDS";
List<?> matches = matcher.matchPhrases(new WordItem(mixedCase));
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(1, match.getLength());
assertEquals("", match.getData());
assertNull(match.getOwner());
assertEquals(0, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem(mixedCase), i.next());
assertEquals("aword", i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testPhraseMatching() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa", true);
AndItem and = new AndItem();
and.addItem(new WordItem("noisebefore"));
and.addItem(new WordItem("this"));
and.addItem(new WordItem("is"));
and.addItem(new WordItem("a"));
and.addItem(new WordItem("test"));
and.addItem(new WordItem("noiseafter"));
List<?> matches = matcher.matchPhrases(and);
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(4, match.getLength());
assertEquals("", match.getData());
assertEquals(and, match.getOwner());
assertEquals(1, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem("this"), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem("is"), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem("a"), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem("test"), i.next());
assertNull(i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testPhraseMatchingCaseInsensitive() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa", true);
AndItem and = new AndItem();
and.addItem(new WordItem("noisebefore"));
final String firstWord = "thIs";
and.addItem(new WordItem(firstWord));
final String secondWord = "Is";
and.addItem(new WordItem(secondWord));
final String thirdWord = "A";
and.addItem(new WordItem(thirdWord));
final String fourthWord = "tEst";
and.addItem(new WordItem(fourthWord));
and.addItem(new WordItem("noiseafter"));
List<?> matches = matcher.matchPhrases(and);
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(4, match.getLength());
assertEquals("", match.getData());
assertEquals(and, match.getOwner());
assertEquals(1, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem(firstWord), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem(secondWord), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem(thirdWord), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem(fourthWord), i.next());
assertNull(i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testPhraseMatchingWithNumber() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa", true);
AndItem and = new AndItem();
and.addItem(new WordItem("noisebefore"));
and.addItem(new WordItem("this"));
and.addItem(new WordItem("is"));
and.addItem(new IntItem("3"));
and.addItem(new WordItem("tests"));
and.addItem(new WordItem("noiseafter"));
List<?> matches = matcher.matchPhrases(and);
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(4, match.getLength());
assertEquals("", match.getData());
assertEquals(and, match.getOwner());
assertEquals(1, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem("this"), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem("is"), i.next());
assertNull(i.getReplace());
assertEquals(new IntItem("3"), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem("tests"), i.next());
assertNull(i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testPhraseMatchingWithPluralIgnore() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa", true);
AndItem and = new AndItem();
and.addItem(new WordItem("noisebefore"));
and.addItem(new WordItem("thi"));
and.addItem(new WordItem("is"));
and.addItem(new WordItem("a"));
and.addItem(new WordItem("tests"));
and.addItem(new WordItem("noiseafter"));
List<?> matches = matcher.matchPhrases(and);
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(4, match.getLength());
assertEquals("", match.getData());
assertEquals(and, match.getOwner());
assertEquals(1, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem("thi"), i.next());
assertEquals("this", i.getReplace());
assertEquals(new WordItem("is"), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem("a"), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem("tests"), i.next());
assertEquals("test", i.getReplace());
assertFalse(i.hasNext());
}
@Test
void testPhraseMatchingCaseInsensitiveWithPluralIgnore() {
PhraseMatcher matcher = new PhraseMatcher("src/test/java/com/yahoo/prelude/querytransform/test/test-fsa.fsa", true);
AndItem and = new AndItem();
and.addItem(new WordItem("noisebefore"));
final String firstWord = "thI";
and.addItem(new WordItem(firstWord));
final String secondWord = "Is";
and.addItem(new WordItem(secondWord));
final String thirdWord = "A";
and.addItem(new WordItem(thirdWord));
final String fourthWord = "tEsts";
and.addItem(new WordItem(fourthWord));
and.addItem(new WordItem("noiseafter"));
List<?> matches = matcher.matchPhrases(and);
assertNotNull(matches);
assertEquals(1, matches.size());
PhraseMatcher.Phrase match = (PhraseMatcher.Phrase) matches.get(0);
assertEquals(4, match.getLength());
assertEquals("", match.getData());
assertEquals(and, match.getOwner());
assertEquals(1, match.getStartIndex());
PhraseMatcher.Phrase.MatchIterator i = match.itemIterator();
assertEquals(new WordItem(firstWord), i.next());
assertEquals("this", i.getReplace());
assertEquals(new WordItem(secondWord), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem(thirdWord), i.next());
assertNull(i.getReplace());
assertEquals(new WordItem(fourthWord), i.next());
assertEquals("test", i.getReplace());
assertFalse(i.hasNext());
}
}
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