public virtual void TestGetScores()
{
Directory directory = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random, directory, Similarity, TimeZone);
writer.Commit();
IndexReader ir = writer.GetReader();
writer.Dispose();
IndexSearcher searcher = NewSearcher(ir);
Weight fake = (new TermQuery(new Term("fake", "weight"))).CreateWeight(searcher);
Scorer s = new SimpleScorer(fake);
ScoreCachingCollector scc = new ScoreCachingCollector(Scores.Length);
scc.SetScorer(s);
// We need to iterate on the scorer so that its doc() advances.
int doc;
while ((doc = s.NextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
{
scc.Collect(doc);
}
for (int i = 0; i < Scores.Length; i++)
{
Assert.AreEqual(Scores[i], scc.Mscores[i], 0f);
}
ir.Dispose();
directory.Dispose();
}
public override void SetUp()
{
base.SetUp();
dir = NewDirectory();
fieldName = Random.NextBoolean() ? "field" : ""; // sometimes use an empty string as field name
RandomIndexWriter writer = new RandomIndexWriter(Random, dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random, MockTokenizer.KEYWORD, false)).SetMaxBufferedDocs(TestUtil.NextInt32(Random, 50, 1000)));
Document doc = new Document();
Field field = NewStringField(fieldName, "", Field.Store.NO);
doc.Add(field);
List<string> terms = new List<string>();
int num = AtLeast(200);
for (int i = 0; i < num; i++)
{
string s = TestUtil.RandomUnicodeString(Random);
field.SetStringValue(s);
terms.Add(s);
writer.AddDocument(doc);
}
if (Verbose)
{
// utf16 order
terms.Sort();
Console.WriteLine("UTF16 order:");
foreach (string s in terms)
{
Console.WriteLine(" " + UnicodeUtil.ToHexString(s));
}
}
reader = writer.GetReader();
searcher1 = NewSearcher(reader);
searcher2 = NewSearcher(reader);
writer.Dispose();
}
public virtual void TestNegativeScores()
{
// The Top*Collectors previously filtered out documents with <= scores. this
// behavior has changed. this test checks that if PositiveOnlyScoresFilter
// wraps one of these collectors, documents with <= 0 scores are indeed
// filtered.
int numPositiveScores = 0;
for (int i = 0; i < Scores.Length; i++)
{
if (Scores[i] > 0)
{
++numPositiveScores;
}
}
Directory directory = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
Random, directory);
writer.Commit();
IndexReader ir = writer.GetReader();
writer.Dispose();
IndexSearcher searcher = NewSearcher(ir);
Weight fake = (new TermQuery(new Term("fake", "weight"))).CreateWeight(searcher);
Scorer s = new SimpleScorer(fake);
TopDocsCollector <ScoreDoc> tdc = TopScoreDocCollector.Create(Scores.Length, true);
ICollector c = new PositiveScoresOnlyCollector(tdc);
c.SetScorer(s);
while (s.NextDoc() != DocIdSetIterator.NO_MORE_DOCS)
{
c.Collect(0);
}
TopDocs td = tdc.GetTopDocs();
ScoreDoc[] sd = td.ScoreDocs;
Assert.AreEqual(numPositiveScores, td.TotalHits);
for (int i = 0; i < sd.Length; i++)
{
Assert.IsTrue(sd[i].Score > 0, "only positive scores should return: " + sd[i].Score);
}
ir.Dispose();
directory.Dispose();
}
public override void SetUp()
{
base.SetUp();
// populate an index with 30 documents, this should be enough for the test.
// The documents have no content - the test uses MatchAllDocsQuery().
Dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(Random, Dir, Similarity, TimeZone);
for (int i = 0; i < 30; i++)
{
writer.AddDocument(new Document());
}
Reader = writer.GetReader();
writer.Dispose();
}
public virtual void TestOutOfOrderCollection()
{
Directory dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
Random, dir);
for (int i = 0; i < 10; i++)
{
writer.AddDocument(new Document());
}
bool[] inOrder = new bool[] { false, true };
string[] actualTSDCClass = new string[] { "OutOfOrderTopScoreDocCollector", "InOrderTopScoreDocCollector" };
BooleanQuery bq = new BooleanQuery();
// Add a Query with SHOULD, since bw.Scorer() returns BooleanScorer2
// which delegates to BS if there are no mandatory clauses.
bq.Add(new MatchAllDocsQuery(), Occur.SHOULD);
// Set minNrShouldMatch to 1 so that BQ will not optimize rewrite to return
// the clause instead of BQ.
bq.MinimumNumberShouldMatch = 1;
IndexReader reader = writer.GetReader();
IndexSearcher searcher = NewSearcher(reader);
for (int i = 0; i < inOrder.Length; i++)
{
TopDocsCollector <ScoreDoc> tdc = TopScoreDocCollector.Create(3, inOrder[i]);
Assert.AreEqual("Lucene.Net.Search.TopScoreDocCollector+" + actualTSDCClass[i], tdc.GetType().FullName);
searcher.Search(new MatchAllDocsQuery(), tdc);
ScoreDoc[] sd = tdc.GetTopDocs().ScoreDocs;
Assert.AreEqual(3, sd.Length);
for (int j = 0; j < sd.Length; j++)
{
Assert.AreEqual(j, sd[j].Doc, "expected doc Id " + j + " found " + sd[j].Doc);
}
}
writer.Dispose();
reader.Dispose();
dir.Dispose();
}
public override void SetUp()
{
base.SetUp();
// populate an index with 30 documents, this should be enough for the test.
// The documents have no content - the test uses MatchAllDocsQuery().
Dir = NewDirectory();
RandomIndexWriter writer = new RandomIndexWriter(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
Random, Dir);
for (int i = 0; i < 30; i++)
{
writer.AddDocument(new Document());
}
Reader = writer.GetReader();
writer.Dispose();
}
public virtual void TestNoOrds()
{
Directory dir = NewDirectory();
RandomIndexWriter iw = new RandomIndexWriter(Random, dir);
Document doc = new Document();
FieldType ft = new FieldType(TextField.TYPE_NOT_STORED);
ft.StoreTermVectors = true;
doc.Add(new Field("foo", "this is a test", ft));
iw.AddDocument(doc);
AtomicReader ir = GetOnlySegmentReader(iw.GetReader());
Terms terms = ir.GetTermVector(0, "foo");
Assert.IsNotNull(terms);
TermsEnum termsEnum = terms.GetEnumerator();
Assert.AreEqual(TermsEnum.SeekStatus.FOUND, termsEnum.SeekCeil(new BytesRef("this")));
try
{
var _ = termsEnum.Ord;
Assert.Fail();
}
catch (Exception expected) when (expected.IsUnsupportedOperationException())
{
// expected exception
}
try
{
termsEnum.SeekExact(0);
Assert.Fail();
}
catch (Exception expected) when (expected.IsUnsupportedOperationException())
{
// expected exception
}
ir.Dispose();
iw.Dispose();
dir.Dispose();
}