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.NextInt(Random(), 50, 1000)));
List<string> terms = new List<string>();
int num = AtLeast(200);
for (int i = 0; i < num; i++)
{
Document doc = new Document();
doc.Add(NewStringField("id", Convert.ToString(i), Field.Store.NO));
int numTerms = Random().Next(4);
for (int j = 0; j < numTerms; j++)
{
string s = TestUtil.RandomUnicodeString(Random());
doc.Add(NewStringField(FieldName, s, Field.Store.NO));
// if the default codec doesn't support sortedset, we will uninvert at search time
if (DefaultCodecSupportsSortedSet())
{
doc.Add(new SortedSetDocValuesField(FieldName, new BytesRef(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));
}
}
int numDeletions = Random().Next(num / 10);
for (int i = 0; i < numDeletions; i++)
{
writer.DeleteDocuments(new Term("id", Convert.ToString(Random().Next(num))));
}
Reader = writer.Reader;
Searcher1 = NewSearcher(Reader);
Searcher2 = NewSearcher(Reader);
writer.Dispose();
}
private int[] BuildIndex(RandomIndexWriter writer, int docs)
{
int[] docStates = new int[docs];
for (int i = 0; i < docs; i++)
{
Document doc = new Document();
if (Random().NextBoolean())
{
docStates[i] = 1;
doc.Add(NewTextField("some", "value", Field.Store.YES));
}
doc.Add(NewTextField("all", "test", Field.Store.NO));
doc.Add(NewTextField("id", "" + i, Field.Store.YES));
writer.AddDocument(doc);
}
writer.Commit();
int numDeletes = Random().Next(docs);
for (int i = 0; i < numDeletes; i++)
{
int docID = Random().Next(docs);
writer.DeleteDocuments(new Term("id", "" + docID));
docStates[docID] = 2;
}
writer.Dispose();
return docStates;
}
public void BeforeClass()
{
Random random = Random();
Directory = NewDirectory();
Stopword = "" + RandomChar();
CharacterRunAutomaton stopset = new CharacterRunAutomaton(BasicAutomata.MakeString(Stopword));
Analyzer = new MockAnalyzer(random, MockTokenizer.WHITESPACE, false, stopset);
RandomIndexWriter iw = new RandomIndexWriter(random, Directory, Analyzer);
Document doc = new Document();
Field id = new StringField("id", "", Field.Store.NO);
Field field = new TextField("field", "", Field.Store.NO);
doc.Add(id);
doc.Add(field);
// index some docs
int numDocs = AtLeast(1000);
for (int i = 0; i < numDocs; i++)
{
id.StringValue = Convert.ToString(i);
field.StringValue = RandomFieldContents();
iw.AddDocument(doc);
}
// delete some docs
int numDeletes = numDocs / 20;
for (int i = 0; i < numDeletes; i++)
{
Term toDelete = new Term("id", Convert.ToString(random.Next(numDocs)));
if (random.NextBoolean())
{
iw.DeleteDocuments(toDelete);
}
else
{
iw.DeleteDocuments(new TermQuery(toDelete));
}
}
Reader = iw.Reader;
S1 = NewSearcher(Reader);
S2 = NewSearcher(Reader);
iw.Dispose();
}
public virtual void TestRandom()
{
Directory d = NewDirectory();
RandomIndexWriter w = new RandomIndexWriter(Random(), d);
w.w.Config.SetMaxBufferedDocs(17);
int numDocs = AtLeast(100);
HashSet<string> aDocs = new HashSet<string>();
for (int i = 0; i < numDocs; i++)
{
Document doc = new Document();
string v;
if (Random().Next(5) == 4)
{
v = "a";
aDocs.Add("" + i);
}
else
{
v = "b";
}
Field f = NewStringField("field", v, Field.Store.NO);
doc.Add(f);
doc.Add(NewStringField("id", "" + i, Field.Store.YES));
w.AddDocument(doc);
}
int numDelDocs = AtLeast(10);
for (int i = 0; i < numDelDocs; i++)
{
string delID = "" + Random().Next(numDocs);
w.DeleteDocuments(new Term("id", delID));
aDocs.Remove(delID);
}
IndexReader r = w.Reader;
w.Dispose();
TopDocs hits = NewSearcher(r).Search(new MatchAllDocsQuery(), new QueryWrapperFilter(new TermQuery(new Term("field", "a"))), numDocs);
Assert.AreEqual(aDocs.Count, hits.TotalHits);
foreach (ScoreDoc sd in hits.ScoreDocs)
{
Assert.IsTrue(aDocs.Contains(r.Document(sd.Doc).Get("id")));
}
r.Dispose();
d.Dispose();
}