public virtual void TestSetNorm_Renamed()
{
RAMDirectory store = new RAMDirectory();
IndexWriter writer = new IndexWriter(store, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
// add the same document four times
IFieldable f1 = new Field("field", "word", Field.Store.YES, Field.Index.ANALYZED);
Document d1 = new Document();
d1.Add(f1);
writer.AddDocument(d1);
writer.AddDocument(d1);
writer.AddDocument(d1);
writer.AddDocument(d1);
writer.Close();
// reset the boost of each instance of this document
IndexReader reader = IndexReader.Open(store, false);
reader.SetNorm(0, "field", 1.0f);
reader.SetNorm(1, "field", 2.0f);
reader.SetNorm(2, "field", 4.0f);
reader.SetNorm(3, "field", 16.0f);
reader.Close();
// check that searches are ordered by this boost
float[] scores = new float[4];
new IndexSearcher(store, true).Search(new TermQuery(new Term("field", "word")), new AnonymousClassCollector(scores, this));
float lastScore = 0.0f;
for (int i = 0; i < 4; i++)
{
Assert.IsTrue(scores[i] > lastScore);
lastScore = scores[i];
}
}
public virtual void TestQuery()
{
RAMDirectory dir = new RAMDirectory();
IndexWriter iw = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
iw.SetMaxBufferedDocs(2); // force multi-segment
AddDoc("one", iw, 1f);
AddDoc("two", iw, 20f);
AddDoc("three four", iw, 300f);
iw.Close();
IndexReader ir = IndexReader.Open(dir);
IndexSearcher is_Renamed = new IndexSearcher(ir);
ScoreDoc[] hits;
// assert with norms scoring turned off
hits = is_Renamed.Search(new MatchAllDocsQuery(), null, 1000).scoreDocs;
Assert.AreEqual(3, hits.Length);
Assert.AreEqual(ir.Document(hits[0].doc).Get("key"), "one");
Assert.AreEqual(ir.Document(hits[1].doc).Get("key"), "two");
Assert.AreEqual(ir.Document(hits[2].doc).Get("key"), "three four");
// assert with norms scoring turned on
MatchAllDocsQuery normsQuery = new MatchAllDocsQuery("key");
hits = is_Renamed.Search(normsQuery, null, 1000).scoreDocs;
Assert.AreEqual(3, hits.Length);
Assert.AreEqual(ir.Document(hits[0].doc).Get("key"), "three four");
Assert.AreEqual(ir.Document(hits[1].doc).Get("key"), "two");
Assert.AreEqual(ir.Document(hits[2].doc).Get("key"), "one");
// change norm & retest
ir.SetNorm(0, "key", 400f);
normsQuery = new MatchAllDocsQuery("key");
hits = is_Renamed.Search(normsQuery, null, 1000).scoreDocs;
Assert.AreEqual(3, hits.Length);
Assert.AreEqual(ir.Document(hits[0].doc).Get("key"), "one");
Assert.AreEqual(ir.Document(hits[1].doc).Get("key"), "three four");
Assert.AreEqual(ir.Document(hits[2].doc).Get("key"), "two");
// some artificial queries to trigger the use of skipTo():
BooleanQuery bq = new BooleanQuery();
bq.Add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
bq.Add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
hits = is_Renamed.Search(bq, null, 1000).scoreDocs;
Assert.AreEqual(3, hits.Length);
bq = new BooleanQuery();
bq.Add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
bq.Add(new TermQuery(new Term("key", "three")), BooleanClause.Occur.MUST);
hits = is_Renamed.Search(bq, null, 1000).scoreDocs;
Assert.AreEqual(1, hits.Length);
// delete a document:
is_Renamed.GetIndexReader().DeleteDocument(0);
hits = is_Renamed.Search(new MatchAllDocsQuery(), null, 1000).scoreDocs;
Assert.AreEqual(2, hits.Length);
// test parsable toString()
QueryParser qp = new QueryParser("key", analyzer);
hits = is_Renamed.Search(qp.Parse(new MatchAllDocsQuery().ToString()), null, 1000).scoreDocs;
Assert.AreEqual(2, hits.Length);
// test parsable toString() with non default boost
Query maq = new MatchAllDocsQuery();
maq.SetBoost(2.3f);
Query pq = qp.Parse(maq.ToString());
hits = is_Renamed.Search(pq, null, 1000).scoreDocs;
Assert.AreEqual(2, hits.Length);
is_Renamed.Close();
ir.Close();
dir.Close();
}