| using J2N.Text; |
| using Lucene.Net.Index; |
| using Lucene.Net.Queries.Function; |
| using Lucene.Net.Search; |
| using NUnit.Framework; |
| |
| namespace Lucene.Net.Tests.Queries.Function |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Test FieldScoreQuery search. |
| /// <p> |
| /// Tests here create an index with a few documents, each having |
| /// an int value indexed field and a float value indexed field. |
| /// The values of these fields are later used for scoring. |
| /// <p> |
| /// The rank tests use Hits to verify that docs are ordered (by score) as expected. |
| /// <p> |
| /// The exact score tests use TopDocs top to verify the exact score. |
| /// </summary> |
| public class TestFieldScoreQuery : FunctionTestSetup |
| { |
| [SetUp] |
| public override void SetUp() |
| { |
| base.SetUp(); |
| CreateIndex(true); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.BYTE returns docs in expected order. |
| /// </summary> |
| [Test] |
| public void TestRankByte() |
| { |
| // INT field values are small enough to be parsed as byte |
| DoTestRank(BYTE_VALUESOURCE); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.SHORT returns docs in expected order. |
| /// </summary> |
| [Test] |
| public void TestRankShort() |
| { |
| // INT field values are small enough to be parsed as short |
| DoTestRank(SHORT_VALUESOURCE); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.INT returns docs in expected order. |
| /// </summary> |
| [Test] |
| public void TestRankInt() |
| { |
| DoTestRank(INT_VALUESOURCE); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.FLOAT returns docs in expected order. |
| /// </summary> |
| [Test] |
| public void TestRankFloat() |
| { |
| // INT field can be parsed as float |
| DoTestRank(INT_AS_FLOAT_VALUESOURCE); |
| // same values, but in flot format |
| DoTestRank(FLOAT_VALUESOURCE); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery returns docs in expected order. |
| /// </summary> |
| /// <param name="valueSource"></param> |
| private void DoTestRank(ValueSource valueSource) |
| { |
| FunctionQuery functionQuery = new FunctionQuery(valueSource); |
| IndexReader r = DirectoryReader.Open(dir); |
| IndexSearcher s = NewSearcher(r); |
| Log("test: " + functionQuery); |
| QueryUtils.Check( |
| #if FEATURE_INSTANCE_TESTDATA_INITIALIZATION |
| this, |
| #endif |
| Random, functionQuery, s); |
| ScoreDoc[] h = s.Search(functionQuery, null, 1000).ScoreDocs; |
| assertEquals("All docs should be matched!", N_DOCS, h.Length); |
| string prevID = "ID" + (N_DOCS + 1); // greater than all ids of docs in this test |
| for (int i = 0; i < h.Length; i++) |
| { |
| string resID = s.Doc(h[i].Doc).Get(ID_FIELD); |
| Log(i + ". score=" + h[i].Score + " - " + resID); |
| Log(s.Explain(functionQuery, h[i].Doc)); |
| assertTrue("res id " + resID + " should be < prev res id " + prevID, resID.CompareToOrdinal(prevID) < 0); |
| prevID = resID; |
| } |
| r.Dispose(); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.BYTE returns the expected scores. </summary> |
| [Test] |
| public virtual void TestExactScoreByte() |
| { |
| // INT field values are small enough to be parsed as byte |
| doTestExactScore(BYTE_VALUESOURCE); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.SHORT returns the expected scores. </summary> |
| [Test] |
| public virtual void TestExactScoreShort() |
| { |
| // INT field values are small enough to be parsed as short |
| doTestExactScore(SHORT_VALUESOURCE); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.INT returns the expected scores. </summary> |
| [Test] |
| public virtual void TestExactScoreInt() |
| { |
| doTestExactScore(INT_VALUESOURCE); |
| } |
| |
| /// <summary> |
| /// Test that FieldScoreQuery of Type.FLOAT returns the expected scores. </summary> |
| [Test] |
| public virtual void TestExactScoreFloat() |
| { |
| // INT field can be parsed as float |
| doTestExactScore(INT_AS_FLOAT_VALUESOURCE); |
| // same values, but in flot format |
| doTestExactScore(FLOAT_VALUESOURCE); |
| } |
| |
| // Test that FieldScoreQuery returns docs with expected score. |
| private void doTestExactScore(ValueSource valueSource) |
| { |
| FunctionQuery functionQuery = new FunctionQuery(valueSource); |
| IndexReader r = DirectoryReader.Open(dir); |
| IndexSearcher s = NewSearcher(r); |
| TopDocs td = s.Search(functionQuery, null, 1000); |
| assertEquals("All docs should be matched!", N_DOCS, td.TotalHits); |
| ScoreDoc[] sd = td.ScoreDocs; |
| foreach (ScoreDoc aSd in sd) |
| { |
| float score = aSd.Score; |
| Log(s.Explain(functionQuery, aSd.Doc)); |
| string id = s.IndexReader.Document(aSd.Doc).Get(ID_FIELD); |
| float expectedScore = ExpectedFieldScore(id); // "ID7" --> 7.0 |
| assertEquals("score of " + id + " shuould be " + expectedScore + " != " + score, expectedScore, score, TEST_SCORE_TOLERANCE_DELTA); |
| } |
| r.Dispose(); |
| } |
| } |
| } |