blob: bdf7788b70d0e3ebcbd3956484ddb99551545b30 [file] [log] [blame]
using Lucene.Net.Analysis;
using Lucene.Net.Documents;
using Lucene.Net.Expressions.JS;
using Lucene.Net.Index;
using Lucene.Net.Index.Extensions;
using Lucene.Net.Queries.Function;
using Lucene.Net.Search;
using Lucene.Net.Store;
using Lucene.Net.Util;
using NUnit.Framework;
using System.Collections.Generic;
using Assert = Lucene.Net.TestFramework.Assert;
namespace Lucene.Net.Expressions
{
/*
* 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.
*/
[SuppressCodecs("Lucene3x")]
public class TestExpressionValueSource : LuceneTestCase
{
internal DirectoryReader reader;
internal Directory dir;
[SetUp]
public override void SetUp()
{
base.SetUp();
dir = NewDirectory();
IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer
(Random));
iwc.SetMergePolicy(NewLogMergePolicy());
var iw = new RandomIndexWriter(Random, dir, iwc);
var doc = new Document
{
NewStringField("id", "1", Field.Store.YES),
NewTextField("body", "some contents and more contents", Field.Store.NO),
new NumericDocValuesField("popularity", 5)
};
iw.AddDocument(doc);
doc = new Document
{
NewStringField("id", "2", Field.Store.YES),
NewTextField("body", "another document with different contents", Field.Store
.NO),
new NumericDocValuesField("popularity", 20)
};
iw.AddDocument(doc);
doc = new Document
{
NewStringField("id", "3", Field.Store.YES),
NewTextField("body", "crappy contents", Field.Store.NO),
new NumericDocValuesField("popularity", 2)
};
iw.AddDocument(doc);
iw.ForceMerge(1);
reader = iw.GetReader();
iw.Dispose();
}
[TearDown]
public override void TearDown()
{
reader.Dispose();
dir.Dispose();
base.TearDown();
}
[Test]
public virtual void TestTypes()
{
Expression expr = JavascriptCompiler.Compile("2*popularity");
SimpleBindings bindings = new SimpleBindings();
bindings.Add(new SortField("popularity", SortFieldType.INT64));
ValueSource vs = expr.GetValueSource(bindings);
Assert.AreEqual(1, reader.Leaves.Count);
AtomicReaderContext leaf = reader.Leaves[0];
FunctionValues values = vs.GetValues(new Dictionary<string, object>(), leaf);
Assert.AreEqual(10, values.DoubleVal(0), 0);
Assert.AreEqual(10, values.SingleVal(0), 0);
Assert.AreEqual(10, values.Int64Val(0));
Assert.AreEqual(10, values.Int32Val(0));
Assert.AreEqual(10, values.Int16Val(0));
Assert.AreEqual((byte)10, values.ByteVal(0));
Assert.AreEqual("10", values.StrVal(0));
Assert.AreEqual(System.Convert.ToDouble(10), values.ObjectVal(0));
Assert.AreEqual(40, values.DoubleVal(1), 0);
Assert.AreEqual(40, values.SingleVal(1), 0);
Assert.AreEqual(40, values.Int64Val(1));
Assert.AreEqual(40, values.Int32Val(1));
Assert.AreEqual(40, values.Int16Val(1));
Assert.AreEqual((byte)40, values.ByteVal(1));
Assert.AreEqual("40", values.StrVal(1));
Assert.AreEqual(System.Convert.ToDouble(40), values.ObjectVal(1));
Assert.AreEqual(4, values.DoubleVal(2), 0);
Assert.AreEqual(4, values.SingleVal(2), 0);
Assert.AreEqual(4, values.Int64Val(2));
Assert.AreEqual(4, values.Int32Val(2));
Assert.AreEqual(4, values.Int16Val(2));
Assert.AreEqual((byte)4, values.ByteVal(2));
Assert.AreEqual("4", values.StrVal(2));
Assert.AreEqual(System.Convert.ToDouble(4), values.ObjectVal(2));
}
[Test]
public virtual void TestRangeScorer()
{
Expression expr = JavascriptCompiler.Compile("2*popularity");
SimpleBindings bindings = new SimpleBindings();
bindings.Add(new SortField("popularity", SortFieldType.INT64));
ValueSource vs = expr.GetValueSource(bindings);
Assert.AreEqual(1, reader.Leaves.Count);
AtomicReaderContext leaf = reader.Leaves[0];
FunctionValues values = vs.GetValues(new Dictionary<string, object>(), leaf);
// everything
ValueSourceScorer scorer = values.GetRangeScorer(leaf.Reader, "4"
, "40", true, true);
Assert.AreEqual(-1, scorer.DocID);
Assert.AreEqual(0, scorer.NextDoc());
Assert.AreEqual(1, scorer.NextDoc());
Assert.AreEqual(2, scorer.NextDoc());
Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, scorer.NextDoc());
// just the first doc
scorer = values.GetRangeScorer(leaf.Reader, "4", "40", false, false);
Assert.AreEqual(-1, scorer.DocID);
Assert.AreEqual(0, scorer.NextDoc());
Assert.AreEqual(DocIdSetIterator.NO_MORE_DOCS, scorer.NextDoc());
}
[Test]
public virtual void TestEquals()
{
Expression expr = JavascriptCompiler.Compile("sqrt(a) + ln(b)");
SimpleBindings bindings = new SimpleBindings();
bindings.Add(new SortField("a", SortFieldType.INT32));
bindings.Add(new SortField("b", SortFieldType.INT32));
ValueSource vs1 = expr.GetValueSource(bindings);
// same instance
Assert.AreEqual(vs1, vs1);
// null
Assert.IsFalse(vs1.Equals(null));
// other object
Assert.IsFalse(vs1.Equals("foobar"));
// same bindings and expression instances
ValueSource vs2 = expr.GetValueSource(bindings);
Assert.AreEqual(vs1.GetHashCode(), vs2.GetHashCode());
Assert.AreEqual(vs1, vs2);
// equiv bindings (different instance)
SimpleBindings bindings2 = new SimpleBindings();
bindings2.Add(new SortField("a", SortFieldType.INT32));
bindings2.Add(new SortField("b", SortFieldType.INT32));
ValueSource vs3 = expr.GetValueSource(bindings2);
Assert.AreEqual(vs1, vs3);
// different bindings (same names, different types)
SimpleBindings bindings3 = new SimpleBindings();
bindings3.Add(new SortField("a", SortFieldType.INT64));
bindings3.Add(new SortField("b", SortFieldType.INT32));
ValueSource vs4 = expr.GetValueSource(bindings3);
Assert.IsFalse(vs1.Equals(vs4));
}
}
}