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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.semantics.test;
import com.yahoo.component.chain.Chain;
import com.yahoo.prelude.query.WeightedSetItem;
import com.yahoo.search.Query;
import com.yahoo.prelude.query.NullItem;
import com.yahoo.search.Result;
import com.yahoo.search.Searcher;
import com.yahoo.search.searchchain.Execution;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
/**
* Tests semantic searching
*
* @author bratseth
*/
public class SemanticSearcherTestCase extends RuleBaseAbstractTestCase {
public SemanticSearcherTestCase() {
super("rules.sr");
}
@Test
public void testSingleShopping() {
assertSemantics("brand:sony",
"sony");
assertSemantics("brand:sony!150",
"sony!150");
}
@Test
public void testCombinedShopping() {
assertSemantics("AND brand:sony category:camera",
"sony camera");
}
@Test
public void testPhrasedShopping() {
assertSemantics("AND brand:sony category:\"digital camera\"",
"sony digital camera");
}
@Test
public void testSimpleLocal() {
assertSemantics("AND listing:restaurant place:geary",
"restaurant in geary");
}
@Test
public void testLocal() {
assertSemantics("AND listing:restaurant place:\"geary street san francisco\"",
"restaurant in geary street san francisco");
}
@Test
public void testLiteralReplacing() {
assertSemantics("AND lord of rings", "lotr");
}
@Test
public void testAddingAnd() {
assertSemantics("AND bar foobar:bar",
"bar");
}
@Test
public void testAddingRank() {
assertSemantics("RANK word foobar:word",
"word");
}
@Test
public void testFilterIsIgnored() {
assertSemantics("RANK word |a |word |b foobar:word",
"word&filter=a word b");
assertSemantics("RANK a |word |b",
"a&filter=word b");
}
@Test
public void testAddingNegative() {
assertSemantics("+java -coffee",
"java");
}
@Test
public void testAddingNegativePluralToSingular() {
assertSemantics("+javas -coffee",
"javas");
}
@Test
public void testCombined() {
assertSemantics("AND bar listing:restaurant place:\"geary street san francisco\" foobar:bar",
"bar restaurant in geary street san francisco");
}
@Test
public void testStopWord() {
assertSemantics("strokes","the strokes");
}
@Test
public void testStopWords1() {
assertSemantics("strokes","be the strokes");
}
@Test
public void testStopWords2() {
assertSemantics("strokes","the strokes be");
}
@Test
public void testDontRemoveEverything() {
assertSemantics("the","the the the");
}
@Test
public void testMoreStopWordRemoval() {
assertSemantics("hamlet","hamlet to be or not to be");
}
@Test
public void testTypeChange() {
assertSemantics("RANK default:typechange doors","typechange doors");
}
@Test
public void testTypeChangeWithSingularToPluralButNonReplaceWillNotSingularify() {
assertSemantics("RANK default:typechange door","typechange door");
}
@Test
public void testExplicitContext() {
assertSemantics("AND from:paris to:texas","paris to texas");
}
@Test
public void testOrProduction() {
assertSemantics("OR something somethingelse", "something");
}
// This test is order dependent. Fix it!!
@Test
public void testWeightedSetItem() {
Query q = new Query();
WeightedSetItem weightedSet = new WeightedSetItem("fieldName");
weightedSet.addToken("a", 1);
weightedSet.addToken("b", 2);
q.getModel().getQueryTree().setRoot(weightedSet);
assertSemantics("WEIGHTEDSET fieldName{[1]:\"a\",[2]:\"b\"}", q);
}
@Test
public void testNullQuery() {
Query query = new Query(""); // Causes a query containing a NullItem
doSearch(searcher, query, 0, 10);
assertEquals(NullItem.class, query.getModel().getQueryTree().getRoot().getClass()); // Still a NullItem
}
private Result doSearch(Searcher searcher, Query query, int offset, int hits) {
query.setOffset(offset);
query.setHits(hits);
return createExecution(searcher).search(query);
}
private Execution createExecution(Searcher searcher) {
return new Execution(chainedAsSearchChain(searcher), Execution.Context.createContextStub());
}
private Chain<Searcher> chainedAsSearchChain(Searcher topOfChain) {
List<Searcher> searchers = new ArrayList<>();
searchers.add(topOfChain);
return new Chain<>(searchers);
}
}
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