/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using System.Text;
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using Lucene.Net.Analysis;
using Lucene.Net.Documents;
using Lucene.Net.Index;
using Lucene.Net.Store;
namespace Lucene.Net.Test.Index
{
///
/// Summary description for FieldEnumeratorTest
///
[TestFixture]
public class FieldEnumeratorTest
{
public FieldEnumeratorTest()
{
//
// TODO: Add constructor logic here
//
}
private static IndexReader reader;
#region setup/teardown methods
[TestFixtureSetUp]
public static void MyClassInitialize()
{
RAMDirectory rd = new RAMDirectory();
IndexWriter writer = new IndexWriter(rd, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
for (int i = 0; i < 1000; i++)
{
Document doc = new Document();
doc.Add(new Field("string", i.ToString(), Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new NumericField("int", Field.Store.YES, true).SetIntValue(i));
doc.Add(new NumericField("long", Field.Store.YES, true).SetLongValue(i));
doc.Add(new NumericField("double", Field.Store.YES, true).SetDoubleValue(i));
doc.Add(new NumericField("float", Field.Store.YES, true).SetFloatValue(i));
writer.AddDocument(doc);
}
writer.Close();
reader = IndexReader.Open(rd, true);
}
[TestFixtureTearDown]
public static void MyClassCleanup()
{
if (reader != null)
{
reader.Close();
reader = null;
}
}
#endregion
[Test]
public void StringEnumTest()
{
using (StringFieldEnumerator sfe = new StringFieldEnumerator(reader, "string", false))
{
int value = 0;
foreach (string s in sfe.Terms)
{
value++;
}
Assert.AreEqual(1000, value);
}
// now with the documents
using (StringFieldEnumerator sfe = new StringFieldEnumerator(reader, "string"))
{
int value = 0;
foreach (string s in sfe.Terms)
{
foreach (int doc in sfe.Docs)
{
string expected = reader.Document(doc).Get("string");
Assert.AreEqual(expected, s);
}
value++;
}
Assert.AreEqual(1000, value);
}
}
[Test]
public void IntEnumTest()
{
using (IntFieldEnumerator ife = new IntFieldEnumerator(reader, "string", FieldParser.String))
{
int value = 0;
foreach (int i in ife.Terms)
{
foreach (int doc in ife.Docs)
{
int expected = Int32.Parse(reader.Document(doc).Get("string"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
using (IntFieldEnumerator ife = new IntFieldEnumerator(reader, "int", FieldParser.Numeric))
{
int value = 0;
foreach (int i in ife.Terms)
{
foreach (int doc in ife.Docs)
{
int expected = Int32.Parse(reader.Document(doc).Get("int"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
}
[Test]
public void LongEnumTest()
{
using (LongFieldEnumerator lfe = new LongFieldEnumerator(reader, "string", FieldParser.String))
{
int value = 0;
foreach (long i in lfe.Terms)
{
foreach (int doc in lfe.Docs)
{
long expected = Int64.Parse(reader.Document(doc).Get("string"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
using (LongFieldEnumerator lfe = new LongFieldEnumerator(reader, "long", FieldParser.Numeric))
{
int value = 0;
foreach (int i in lfe.Terms)
{
foreach (int doc in lfe.Docs)
{
long expected = Int64.Parse(reader.Document(doc).Get("long"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
}
[Test]
public void FloatEnumTest()
{
using (FloatFieldEnumerator ffe = new FloatFieldEnumerator(reader, "string", FieldParser.String))
{
int value = 0;
foreach (int i in ffe.Terms)
{
foreach (int doc in ffe.Docs)
{
float expected = Single.Parse(reader.Document(doc).Get("string"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
using (FloatFieldEnumerator ffe = new FloatFieldEnumerator(reader, "float", FieldParser.Numeric))
{
int value = 0;
foreach (int i in ffe.Terms)
{
foreach (int doc in ffe.Docs)
{
float expected = Single.Parse(reader.Document(doc).Get("float"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
}
[Test]
public void DoubleEnumTest()
{
using (DoubleFieldEnumerator dfe = new DoubleFieldEnumerator(reader, "string", FieldParser.String))
{
int value = 0;
foreach (int i in dfe.Terms)
{
foreach (int doc in dfe.Docs)
{
double expected = Double.Parse(reader.Document(doc).Get("string"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
using (DoubleFieldEnumerator dfe = new DoubleFieldEnumerator(reader, "double", FieldParser.Numeric))
{
int value = 0;
foreach (int i in dfe.Terms)
{
foreach (int doc in dfe.Docs)
{
double expected = Double.Parse(reader.Document(doc).Get("double"));
Assert.AreEqual(expected, i);
}
value++;
}
Assert.AreEqual(1000, value);
}
}
[Test]
public void TermDocEnumeratorOnlyTestSingleTerm()
{
Term t = new Term("string", "500");
using (TermDocEnumerator tde = new TermDocEnumerator(reader.TermDocs()))
{
tde.Seek(t);
int count = 0;
foreach (int doc in tde)
{
Assert.AreEqual(500, doc);
count++;
}
Assert.AreEqual(1, count);
}
}
[Test]
public void TermDocEnumeratorOnlyTestMultipleTerms()
{
HashSet terms = new HashSet();
terms.Add(new Term("string", "500"));
terms.Add(new Term("string", "600"));
terms.Add(new Term("string", "400"));
HashSet docs = new HashSet();
using (TermDocEnumerator tde = new TermDocEnumerator(reader.TermDocs()))
{
foreach (Term t in terms)
{
tde.Seek(t);
foreach (int doc in tde)
{
docs.Add(doc);
}
}
}
Assert.AreEqual(3, docs.Count);
Assert.IsTrue(docs.Contains(400));
Assert.IsTrue(docs.Contains(500));
Assert.IsTrue(docs.Contains(600));
}
}
}