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package com.yahoo.search.searchers;
import com.yahoo.prelude.query.AndItem;
import com.yahoo.prelude.query.CompositeItem;
import com.yahoo.prelude.query.Item;
import com.yahoo.prelude.query.OrItem;
import com.yahoo.prelude.query.WeakAndItem;
import com.yahoo.prelude.query.WordItem;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class OpportunisticWeakAndSearcherTestCase {
private static Item buildQueryItem(CompositeItem root, CompositeItem injectAtLevel2) {
root.addItem(new WordItem("text"));
injectAtLevel2.addItem(new WordItem("a"));
injectAtLevel2.addItem(new WordItem("b"));
root.addItem(injectAtLevel2);
return root;
}
@Test
public void requireThatWeakAndIsDetected() {
assertEquals(-1, OpportunisticWeakAndSearcher.targetHits(new OrItem()));
assertEquals(33, OpportunisticWeakAndSearcher.targetHits(new WeakAndItem(33)));
assertEquals(77, OpportunisticWeakAndSearcher.targetHits(buildQueryItem(new OrItem(), new WeakAndItem(77))));
assertEquals(77, OpportunisticWeakAndSearcher.targetHits(buildQueryItem(new AndItem(), new WeakAndItem(77))));
assertEquals(-1, OpportunisticWeakAndSearcher.targetHits(buildQueryItem(new OrItem(), new AndItem())));
}
@Test
public void requireThatWeakAndIsReplacedWithAnd() {
assertEquals(buildQueryItem(new OrItem(), new AndItem()),
OpportunisticWeakAndSearcher.weakAnd2AndRecurse(buildQueryItem(new OrItem(), new WeakAndItem())));
assertEquals(buildQueryItem(new AndItem(), new AndItem()),
OpportunisticWeakAndSearcher.weakAnd2AndRecurse(buildQueryItem(new AndItem(), new WeakAndItem())));
}
}
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