public virtual void TestMissingSecondPassScore()
{
Directory dir = NewDirectory();
RandomIndexWriter w = new RandomIndexWriter(Random(), dir);
Document doc = new Document();
doc.Add(NewStringField("id", "0", Field.Store.YES));
doc.Add(NewTextField("field", "wizard the the the the the oz", Field.Store.NO));
w.AddDocument(doc);
doc = new Document();
doc.Add(NewStringField("id", "1", Field.Store.YES));
// 1 extra token, but wizard and oz are close;
doc.Add(NewTextField("field", "wizard oz the the the the the the", Field.Store.NO));
w.AddDocument(doc);
IndexReader r = w.Reader;
w.Dispose();
// Do ordinary BooleanQuery:
BooleanQuery bq = new BooleanQuery();
bq.Add(new TermQuery(new Term("field", "wizard")), Occur.SHOULD);
bq.Add(new TermQuery(new Term("field", "oz")), Occur.SHOULD);
IndexSearcher searcher = GetSearcher(r);
TopDocs hits = searcher.Search(bq, 10);
Assert.AreEqual(2, hits.TotalHits);
Assert.AreEqual("0", searcher.Doc(hits.ScoreDocs[0].Doc).Get("id"));
Assert.AreEqual("1", searcher.Doc(hits.ScoreDocs[1].Doc).Get("id"));
// Now, resort using PhraseQuery, no slop:
PhraseQuery pq = new PhraseQuery();
pq.Add(new Term("field", "wizard"));
pq.Add(new Term("field", "oz"));
TopDocs hits2 = QueryRescorer.Rescore(searcher, hits, pq, 2.0, 10);
// Resorting changed the order:
Assert.AreEqual(2, hits2.TotalHits);
Assert.AreEqual("1", searcher.Doc(hits2.ScoreDocs[0].Doc).Get("id"));
Assert.AreEqual("0", searcher.Doc(hits2.ScoreDocs[1].Doc).Get("id"));
// Resort using SpanNearQuery:
SpanTermQuery t1 = new SpanTermQuery(new Term("field", "wizard"));
SpanTermQuery t2 = new SpanTermQuery(new Term("field", "oz"));
SpanNearQuery snq = new SpanNearQuery(new SpanQuery[] { t1, t2 }, 0, true);
TopDocs hits3 = QueryRescorer.Rescore(searcher, hits, snq, 2.0, 10);
// Resorting changed the order:
Assert.AreEqual(2, hits3.TotalHits);
Assert.AreEqual("1", searcher.Doc(hits3.ScoreDocs[0].Doc).Get("id"));
Assert.AreEqual("0", searcher.Doc(hits3.ScoreDocs[1].Doc).Get("id"));
r.Dispose();
dir.Dispose();
}
public ComparerAnonymousInnerClassHelper2(QueryRescorer outerInstance)
{
this.outerInstance = outerInstance;
}
