rangequerytest.cs

DotLucentet,用来做撬

using System;
using dotLucene.inAction.Common;
using Lucene.Net.Analysis;
using Lucene.Net.Index;
using Lucene.Net.QueryParsers;
using Lucene.Net.Search;
using NUnit.Framework;

namespace dotLucene.inAction.BasicSearch
{
	public class RangeQueryTest : LiaTestCase
	{
		private Term begin, end;

		[SetUp]
		protected override void Init()
		{
//			DateTime beginDate = new DateTime(2000, 4, 1);
//			DateTime endDate = new DateTime(2002, 6, 1);
//			begin = new Term("pubmonth", beginDate.ToString("yyyyMM"));
//			end = new Term("pubmonth", endDate.ToString("yyyyMM"));
			begin = new Term("pubmonth", "200004");
			end = new Term("pubmonth", "200206");
			base.Init();
		}

		[Test]
		public void Inclusive()
		{
			RangeQuery query = new RangeQuery(begin, end, true);
			IndexSearcher searcher = new IndexSearcher(directory);

			Hits hits = searcher.Search(query);
			Assert.AreEqual(1, hits.Length());
		}

		[Test]
		public void Exclusive()
		{
			RangeQuery query = new RangeQuery(begin, end, false);
			IndexSearcher searcher = new IndexSearcher(directory);

			Hits hits = searcher.Search(query);
			Assert.AreEqual(0, hits.Length());
		}

		[Test]
		public void TestQueryParser()
		{
			Query query = QueryParser.Parse("pubmonth:[200004 TO 200206]", "subject", new SimpleAnalyzer());
			Assert.IsTrue(query is RangeQuery);
			IndexSearcher searcher = new IndexSearcher(directory);
			Hits hits = searcher.Search(query);
			Assert.AreEqual(1, hits.Length(), "JDwA in 200206");

			query = QueryParser.Parse("{200004 TO 200206}", "pubmonth", new SimpleAnalyzer());
			hits = searcher.Search(query);
			Assert.AreEqual(0, hits.Length(), "JDwA in 200206");
		}

	}
}