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BaseTokenStreamTestCase.cs
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using J2N.Collections.Generic.Extensions;
using J2N.Threading;
using Lucene.Net.Analysis.TokenAttributes;
using Lucene.Net.Documents;
using Lucene.Net.Index;
using Lucene.Net.Support;
using Lucene.Net.Support.Threading;
using Lucene.Net.Util;
using RandomizedTesting.Generators;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;
using System.Threading;
using Assert = Lucene.Net.TestFramework.Assert;
using Attribute = Lucene.Net.Util.Attribute;
using AttributeFactory = Lucene.Net.Util.AttributeSource.AttributeFactory;
using Console = Lucene.Net.Util.SystemConsole;
using Directory = Lucene.Net.Store.Directory;
using JCG = J2N.Collections.Generic;
namespace Lucene.Net.Analysis
{
/*
* 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>
/// Attribute that records if it was cleared or not. this is used
/// for testing that <see cref="Lucene.Net.Util.AttributeSource.ClearAttributes()"/> was called correctly.
/// </summary>
public interface ICheckClearAttributesAttribute : IAttribute
{
bool GetAndResetClearCalled();
}
/// <summary>
/// Attribute that records if it was cleared or not. this is used
/// for testing that <see cref="Lucene.Net.Util.AttributeSource.ClearAttributes()"/> was called correctly.
/// </summary>
public sealed class CheckClearAttributesAttribute : Attribute, ICheckClearAttributesAttribute
{
private bool clearCalled = false;
public bool GetAndResetClearCalled()
{
bool old = clearCalled;
clearCalled = false;
return old;
}
public override void Clear()
{
clearCalled = true;
}
public override bool Equals(object other)
{
return other is CheckClearAttributesAttribute checkClearAttributesAttribute
&& checkClearAttributesAttribute.clearCalled == this.clearCalled;
}
public override int GetHashCode()
{
return 76137213 ^ clearCalled.GetHashCode();
}
public override void CopyTo(IAttribute target)
{
((CheckClearAttributesAttribute)target).Clear();
}
}
/// <summary>
/// Base class for all Lucene unit tests that use <see cref="TokenStream"/>s.
/// <para/>
/// When writing unit tests for analysis components, its highly recommended
/// to use the helper methods here (especially in conjunction with <see cref="MockAnalyzer"/> or
/// <see cref="MockTokenizer"/>), as they contain many assertions and checks to
/// catch bugs.
/// </summary>
/// <seealso cref="MockAnalyzer"/>
/// <seealso cref="MockTokenizer"/>
public abstract class BaseTokenStreamTestCase : LuceneTestCase
#if TESTFRAMEWORK_XUNIT
, Xunit.IClassFixture<BeforeAfterClass>
{
public BaseTokenStreamTestCase(BeforeAfterClass beforeAfter)
: base(beforeAfter)
{
}
#else
{
#endif
//#if TESTFRAMEWORK_MSTEST
// [Microsoft.VisualStudio.TestTools.UnitTesting.ClassInitializeAttribute(Microsoft.VisualStudio.TestTools.UnitTesting.InheritanceBehavior.BeforeEachDerivedClass)]
// new public static void BeforeClass(Microsoft.VisualStudio.TestTools.UnitTesting.TestContext context)
// {
// Lucene.Net.Util.LuceneTestCase.BeforeClass(context);
// }
// [Microsoft.VisualStudio.TestTools.UnitTesting.ClassCleanupAttribute(Microsoft.VisualStudio.TestTools.UnitTesting.InheritanceBehavior.BeforeEachDerivedClass)]
// new public static void AfterClass()
// {
// Lucene.Net.Util.LuceneTestCase.AfterClass();
// }
//#endif
// some helpers to test Analyzers and TokenStreams:
// LUCENENET specific - de-nested ICheckClearAttributesAttribute
// LUCENENET specific - de-nested CheckClearAttributesAttribute
// LUCENENET specific - Specify to unzip the line file docs
public override void BeforeClass()
{
UseTempLineDocsFile = true;
base.BeforeClass();
}
// offsetsAreCorrect also validates:
// - graph offsets are correct (all tokens leaving from
// pos X have the same startOffset; all tokens
// arriving to pos Y have the same endOffset)
// - offsets only move forwards (startOffset >=
// lastStartOffset)
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int[] posLengths, int? finalOffset, int? finalPosInc, bool[] keywordAtts, bool offsetsAreCorrect, byte[][] payloads)
{
// LUCENENET: Bug fix: NUnit throws an exception when something fails.
// This causes Dispose() to be skipped and it pollutes other tests indicating false negatives.
// Added this try-finally block to fix this.
try
{
Assert.IsNotNull(output);
var checkClearAtt = ts.AddAttribute<ICheckClearAttributesAttribute>();
ICharTermAttribute termAtt = null;
if (output.Length > 0)
{
Assert.IsTrue(ts.HasAttribute<ICharTermAttribute>(), "has no CharTermAttribute");
termAtt = ts.GetAttribute<ICharTermAttribute>();
}
IOffsetAttribute offsetAtt = null;
if (startOffsets != null || endOffsets != null || finalOffset != null)
{
Assert.IsTrue(ts.HasAttribute<IOffsetAttribute>(), "has no OffsetAttribute");
offsetAtt = ts.GetAttribute<IOffsetAttribute>();
}
ITypeAttribute typeAtt = null;
if (types != null)
{
Assert.IsTrue(ts.HasAttribute<ITypeAttribute>(), "has no TypeAttribute");
typeAtt = ts.GetAttribute<ITypeAttribute>();
}
IPositionIncrementAttribute posIncrAtt = null;
if (posIncrements != null || finalPosInc != null)
{
Assert.IsTrue(ts.HasAttribute<IPositionIncrementAttribute>(), "has no PositionIncrementAttribute");
posIncrAtt = ts.GetAttribute<IPositionIncrementAttribute>();
}
IPositionLengthAttribute posLengthAtt = null;
if (posLengths != null)
{
Assert.IsTrue(ts.HasAttribute<IPositionLengthAttribute>(), "has no PositionLengthAttribute");
posLengthAtt = ts.GetAttribute<IPositionLengthAttribute>();
}
IKeywordAttribute keywordAtt = null;
if (keywordAtts != null)
{
Assert.IsTrue(ts.HasAttribute<IKeywordAttribute>(), "has no KeywordAttribute");
keywordAtt = ts.GetAttribute<IKeywordAttribute>();
}
// *********** From Lucene 8.2.0 **************
IPayloadAttribute payloadAtt = null;
if (payloads != null)
{
Assert.IsTrue(ts.HasAttribute<IPayloadAttribute>(), "has no PayloadAttribute");
payloadAtt = ts.GetAttribute<IPayloadAttribute>();
}
// *********** End From Lucene 8.2.0 **************
// Maps position to the start/end offset:
IDictionary<int?, int?> posToStartOffset = new Dictionary<int?, int?>();
IDictionary<int?, int?> posToEndOffset = new Dictionary<int?, int?>();
ts.Reset();
int pos = -1;
int lastStartOffset = 0;
for (int i = 0; i < output.Length; i++)
{
// extra safety to enforce, that the state is not preserved and also assign bogus values
ts.ClearAttributes();
termAtt.SetEmpty().Append("bogusTerm");
if (offsetAtt != null)
{
offsetAtt.SetOffset(14584724, 24683243);
}
if (typeAtt != null)
{
typeAtt.Type = "bogusType";
}
if (posIncrAtt != null)
{
posIncrAtt.PositionIncrement = 45987657;
}
if (posLengthAtt != null)
{
posLengthAtt.PositionLength = 45987653;
}
if (keywordAtt != null)
{
keywordAtt.IsKeyword = (i & 1) == 0;
}
// *********** From Lucene 8.2.0 **************
if (payloadAtt != null)
{
payloadAtt.Payload = new BytesRef(new byte[] { 0x00, unchecked((byte)-0x21), 0x12, unchecked((byte)-0x43), 0x24 });
}
// *********** End From Lucene 8.2.0 **************
bool reset = checkClearAtt.GetAndResetClearCalled(); // reset it, because we called clearAttribute() before
Assert.IsTrue(ts.IncrementToken(), "token " + i + " does not exist");
Assert.IsTrue(reset, "ClearAttributes() was not called correctly in TokenStream chain");
Assert.AreEqual(output[i], termAtt.ToString(), "term " + i + ", output[i] = " + output[i] + ", termAtt = " + termAtt.ToString());
if (startOffsets != null)
{
Assert.AreEqual(startOffsets[i], offsetAtt.StartOffset, "startOffset " + i);
}
if (endOffsets != null)
{
Assert.AreEqual(endOffsets[i], offsetAtt.EndOffset, "endOffset " + i);
}
if (types != null)
{
Assert.AreEqual(types[i], typeAtt.Type, "type " + i);
}
if (posIncrements != null)
{
Assert.AreEqual(posIncrements[i], posIncrAtt.PositionIncrement, "posIncrement " + i);
}
if (posLengths != null)
{
Assert.AreEqual(posLengths[i], posLengthAtt.PositionLength, "posLength " + i);
}
if (keywordAtts != null)
{
Assert.AreEqual(keywordAtts[i], keywordAtt.IsKeyword, "keywordAtt " + i);
}
// *********** From Lucene 8.2.0 **************
if (payloads != null)
{
if (payloads[i] != null)
{
Assert.AreEqual(new BytesRef(payloads[i]), payloadAtt.Payload, "payloads " + i);
}
else
{
Assert.IsNull(payloads[i], "payloads " + i);
}
}
// *********** End From Lucene 8.2.0 **************
// we can enforce some basic things about a few attributes even if the caller doesn't check:
if (offsetAtt != null)
{
int startOffset = offsetAtt.StartOffset;
int endOffset = offsetAtt.EndOffset;
if (finalOffset != null)
{
Assert.IsTrue(startOffset <= (int)finalOffset, "startOffset must be <= finalOffset");
Assert.IsTrue(endOffset <= (int)finalOffset, "endOffset must be <= finalOffset: got endOffset=" + endOffset + " vs finalOffset=" + (int)finalOffset);
}
if (offsetsAreCorrect)
{
Assert.IsTrue(offsetAtt.StartOffset >= lastStartOffset, "offsets must not go backwards startOffset=" + startOffset + " is < lastStartOffset=" + lastStartOffset);
lastStartOffset = offsetAtt.StartOffset;
}
if (offsetsAreCorrect && posLengthAtt != null && posIncrAtt != null)
{
// Validate offset consistency in the graph, ie
// all tokens leaving from a certain pos have the
// same startOffset, and all tokens arriving to a
// certain pos have the same endOffset:
int posInc = posIncrAtt.PositionIncrement;
pos += posInc;
int posLength = posLengthAtt.PositionLength;
if (!posToStartOffset.TryGetValue(pos, out int? oldStartOffset))
{
// First time we've seen a token leaving from this position:
posToStartOffset[pos] = startOffset;
//System.out.println(" + s " + pos + " -> " + startOffset);
}
else
{
// We've seen a token leaving from this position
// before; verify the startOffset is the same:
//System.out.println(" + vs " + pos + " -> " + startOffset);
Assert.AreEqual(oldStartOffset.GetValueOrDefault(), startOffset, "pos=" + pos + " posLen=" + posLength + " token=" + termAtt);
}
int endPos = pos + posLength;
if (!posToEndOffset.TryGetValue(endPos, out int? oldEndOffset))
{
// First time we've seen a token arriving to this position:
posToEndOffset[endPos] = endOffset;
//System.out.println(" + e " + endPos + " -> " + endOffset);
}
else
{
// We've seen a token arriving to this position
// before; verify the endOffset is the same:
//System.out.println(" + ve " + endPos + " -> " + endOffset);
Assert.AreEqual(oldEndOffset.GetValueOrDefault(), endOffset, "pos=" + pos + " posLen=" + posLength + " token=" + termAtt);
}
}
}
if (posIncrAtt != null)
{
if (i == 0)
{
Assert.IsTrue(posIncrAtt.PositionIncrement >= 1, "first posIncrement must be >= 1");
}
else
{
Assert.IsTrue(posIncrAtt.PositionIncrement >= 0, "posIncrement must be >= 0");
}
}
if (posLengthAtt != null)
{
Assert.IsTrue(posLengthAtt.PositionLength >= 1, "posLength must be >= 1");
}
}
if (ts.IncrementToken())
{
Assert.Fail("TokenStream has more tokens than expected (expected count=" + output.Length + "); extra token=" + termAtt);
}
// repeat our extra safety checks for End()
ts.ClearAttributes();
if (termAtt != null)
{
termAtt.SetEmpty().Append("bogusTerm");
}
if (offsetAtt != null)
{
offsetAtt.SetOffset(14584724, 24683243);
}
if (typeAtt != null)
{
typeAtt.Type = "bogusType";
}
if (posIncrAtt != null)
{
posIncrAtt.PositionIncrement = 45987657;
}
if (posLengthAtt != null)
{
posLengthAtt.PositionLength = 45987653;
}
var reset_ = checkClearAtt.GetAndResetClearCalled(); // reset it, because we called clearAttribute() before
ts.End();
Assert.IsTrue(checkClearAtt.GetAndResetClearCalled(), "base.End()/ClearAttributes() was not called correctly in End()");
if (finalOffset != null)
{
Assert.AreEqual((int)finalOffset, offsetAtt.EndOffset, "finalOffset");
}
if (offsetAtt != null)
{
Assert.IsTrue(offsetAtt.EndOffset >= 0, "finalOffset must be >= 0");
}
if (finalPosInc != null)
{
Assert.AreEqual((int)finalPosInc, posIncrAtt.PositionIncrement, "finalPosInc");
}
//ts.Dispose();
}
catch (Exception)
{
//ts.Reset();
ts.ClearAttributes();
ts.End();
throw; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
}
finally
{
ts.Dispose();
}
}
#pragma warning disable IDE0060 // Remove unused parameter
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int[] posLengths, int? finalOffset, bool[] keywordAtts, bool offsetsAreCorrect)
#pragma warning restore IDE0060 // Remove unused parameter
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, types, posIncrements, posLengths, finalOffset, null, null, offsetsAreCorrect, null);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int[] posLengths, int? finalOffset, bool offsetsAreCorrect)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, types, posIncrements, posLengths, finalOffset, null, offsetsAreCorrect);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int[] posLengths, int? finalOffset)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, types, posIncrements, posLengths, finalOffset, true);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int? finalOffset)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, types, posIncrements, null, finalOffset);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, types, posIncrements, null, null);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output)
{
AssertTokenStreamContents(ts, output, null, null, null, null, null, null);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, string[] types)
{
AssertTokenStreamContents(ts, output, null, null, types, null, null, null);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] posIncrements)
{
AssertTokenStreamContents(ts, output, null, null, null, posIncrements, null, null);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, null, null, null, null);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, int? finalOffset)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, null, null, null, finalOffset);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, int[] posIncrements)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, null, posIncrements, null, null);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, int[] posIncrements, int? finalOffset)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, null, posIncrements, null, finalOffset);
}
public static void AssertTokenStreamContents(TokenStream ts, string[] output, int[] startOffsets, int[] endOffsets, int[] posIncrements, int[] posLengths, int? finalOffset)
{
AssertTokenStreamContents(ts, output, startOffsets, endOffsets, null, posIncrements, posLengths, finalOffset);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements)
{
CheckResetException(a, input);
AssertTokenStreamContents(a.GetTokenStream("dummy", new StringReader(input)), output, startOffsets, endOffsets, types, posIncrements, null, input.Length);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int[] posLengths)
{
CheckResetException(a, input);
AssertTokenStreamContents(a.GetTokenStream("dummy", new StringReader(input)), output, startOffsets, endOffsets, types, posIncrements, posLengths, input.Length);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int[] posLengths, bool offsetsAreCorrect)
{
CheckResetException(a, input);
AssertTokenStreamContents(a.GetTokenStream("dummy", new StringReader(input)), output, startOffsets, endOffsets, types, posIncrements, posLengths, input.Length, offsetsAreCorrect);
}
// LUCENENET: Overload from Lucene 8.2.0
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, int[] startOffsets, int[] endOffsets, string[] types, int[] posIncrements, int[] posLengths, bool graphOffsetsAreCorrect, byte[][] payloads)
{
CheckResetException(a, input);
AssertTokenStreamContents(a.GetTokenStream("dummy", input), output, startOffsets, endOffsets, types, posIncrements, posLengths, input.Length, null, null, graphOffsetsAreCorrect, payloads);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output)
{
AssertAnalyzesTo(a, input, output, null, null, null, null, null);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, string[] types)
{
AssertAnalyzesTo(a, input, output, null, null, types, null, null);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, int[] posIncrements)
{
AssertAnalyzesTo(a, input, output, null, null, null, posIncrements, null);
}
public static void AssertAnalyzesToPositions(Analyzer a, string input, string[] output, int[] posIncrements, int[] posLengths)
{
AssertAnalyzesTo(a, input, output, null, null, null, posIncrements, posLengths);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, int[] startOffsets, int[] endOffsets)
{
AssertAnalyzesTo(a, input, output, startOffsets, endOffsets, null, null, null);
}
public static void AssertAnalyzesTo(Analyzer a, string input, string[] output, int[] startOffsets, int[] endOffsets, int[] posIncrements)
{
AssertAnalyzesTo(a, input, output, startOffsets, endOffsets, null, posIncrements, null);
}
internal static void CheckResetException(Analyzer a, string input)
{
TokenStream ts = a.GetTokenStream("bogus", new StringReader(input));
try
{
if (ts.IncrementToken())
{
ts.ReflectAsString(false);
Assert.Fail("didn't get expected exception when reset() not called");
}
}
catch (Exception expected) when (expected.IsIllegalStateException())
{
//ok
}
catch (Exception expected) when (expected.IsAssertionError())
{
// ok: MockTokenizer
Assert.IsTrue(expected.Message != null && expected.Message.Contains("wrong state"), expected.Message);
}
catch (Exception unexpected) when (unexpected.IsException())
{
unexpected.printStackTrace(Console.Error);
Assert.Fail("Got wrong exception when Reset() not called: " + unexpected);
}
finally
{
// consume correctly
ts.Reset();
while (ts.IncrementToken())
{
}
ts.End();
ts.Dispose();
}
// check for a missing Close()
ts = a.GetTokenStream("bogus", new StringReader(input));
ts.Reset();
while (ts.IncrementToken())
{
}
ts.End();
try
{
ts = a.GetTokenStream("bogus", new StringReader(input));
Assert.Fail("Didn't get expected exception when Dispose() not called");
}
catch (Exception expected) when (expected.IsIllegalStateException())
{
// ok
}
finally
{
ts.Dispose();
}
}
/// <summary>
/// Simple utility method for testing stemmers
/// </summary>
public static void CheckOneTerm(Analyzer a, string input, string expected)
{
AssertAnalyzesTo(a, input, new string[] { expected });
}
#if !FEATURE_INSTANCE_TESTDATA_INITIALIZATION
/// <summary>
/// Utility method for blasting tokenstreams with data to make sure they don't do anything crazy
/// </summary>
public static void CheckRandomData(Random random, Analyzer a, int iterations)
{
CheckRandomData(random, a, iterations, 20, false, true);
}
/// <summary>
/// Utility method for blasting tokenstreams with data to make sure they don't do anything crazy
/// </summary>
public static void CheckRandomData(Random random, Analyzer a, int iterations, int maxWordLength)
{
CheckRandomData(random, a, iterations, maxWordLength, false, true);
}
/// <summary>
/// Utility method for blasting tokenstreams with data to make sure they don't do anything crazy
/// </summary>
/// <param name="simple"> true if only ascii strings will be used (try to avoid)</param>
public static void CheckRandomData(Random random, Analyzer a, int iterations, bool simple)
{
CheckRandomData(random, a, iterations, 20, simple, true);
}
#else
/// <summary>
/// Utility method for blasting tokenstreams with data to make sure they don't do anything crazy
/// <para/>
/// LUCENENET specific
/// Non-static to reduce the inter-class dependencies due to use of
/// static variables
/// </summary>
public void CheckRandomData(Random random, Analyzer a, int iterations)
{
CheckRandomData(random, a, iterations, 20, false, true);
}
/// <summary>
/// Utility method for blasting tokenstreams with data to make sure they don't do anything crazy
/// <para/>
/// LUCENENET specific:
/// Non-static to reduce the inter-class dependencies due to use of
/// static variables
/// </summary>
public void CheckRandomData(Random random, Analyzer a, int iterations, int maxWordLength)
{
CheckRandomData(random, a, iterations, maxWordLength, false, true);
}
/// <summary>
/// Utility method for blasting tokenstreams with data to make sure they don't do anything crazy
/// <para/>
/// LUCENENET specific:
/// Non-static to reduce the inter-class dependencies due to use of
/// static variables
/// </summary>
/// <param name="simple"> true if only ascii strings will be used (try to avoid)</param>
public void CheckRandomData(Random random, Analyzer a, int iterations, bool simple)
{
CheckRandomData(random, a, iterations, 20, simple, true);
}
#endif
internal class AnalysisThread : ThreadJob
{
internal readonly int iterations;
internal readonly int maxWordLength;
internal readonly long seed;
internal readonly Analyzer a;
internal readonly bool useCharFilter;
internal readonly bool simple;
internal readonly bool offsetsAreCorrect;
internal readonly RandomIndexWriter iw;
private readonly CountdownEvent latch;
// NOTE: not volatile because we don't want the tests to
// add memory barriers (ie alter how threads
// interact)... so this is just "best effort":
public bool Failed { get; set; }
public Exception FirstException { get; set; } = null;
internal AnalysisThread(long seed, CountdownEvent latch, Analyzer a, int iterations, int maxWordLength,
bool useCharFilter, bool simple, bool offsetsAreCorrect, RandomIndexWriter iw)
{
this.seed = seed;
this.a = a;
this.iterations = iterations;
this.maxWordLength = maxWordLength;
this.useCharFilter = useCharFilter;
this.simple = simple;
this.offsetsAreCorrect = offsetsAreCorrect;
this.iw = iw;
this.latch = latch;
}
public override void Run()
{
bool success = false;
try
{
if (latch != null) latch.Wait();
// see the part in checkRandomData where it replays the same text again
// to verify reproducability/reuse: hopefully this would catch thread hazards.
CheckRandomData(new Random((int)seed), a, iterations, maxWordLength, useCharFilter, simple, offsetsAreCorrect, iw);
success = true;
}
catch (Exception e) when (e.IsException()) // LUCENENET TODO: This catch block can be removed because Rethrow.rethrow() simply does what its name says, but need to get rid of the FirstException functionality and fix ThreadJob so it re-throws ThreadInterruptedExcepetion first.
{
//Console.WriteLine("Exception in Thread: " + e);
//throw; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
// LUCENENET: Throwing an exception on another thread
// is pointless, so we set it to a variable so we can read
// it from our main thread (for debugging).
if (FirstException == null)
{
FirstException = e;
}
}
finally
{
Failed = !success;
}
}
}
#if !FEATURE_INSTANCE_TESTDATA_INITIALIZATION
public static void CheckRandomData(Random random, Analyzer a, int iterations, int maxWordLength, bool simple)
{
CheckRandomData(random, a, iterations, maxWordLength, simple, true);
}
public static void CheckRandomData(Random random, Analyzer a, int iterations, int maxWordLength, bool simple, bool offsetsAreCorrect)
#else
public void CheckRandomData(Random random, Analyzer a, int iterations, int maxWordLength, bool simple)
{
CheckRandomData(random, a, iterations, maxWordLength, simple, true);
}
public void CheckRandomData(Random random, Analyzer a, int iterations, int maxWordLength, bool simple, bool offsetsAreCorrect)
#endif
{
CheckResetException(a, "best effort");
long seed = random.Next();
bool useCharFilter = random.NextBoolean();
Directory dir = null;
RandomIndexWriter iw = null;
string postingsFormat = TestUtil.GetPostingsFormat("dummy");
bool codecOk = iterations * maxWordLength < 100000
|| !(postingsFormat.Equals("Memory", StringComparison.Ordinal)
|| postingsFormat.Equals("SimpleText", StringComparison.Ordinal));
if (Rarely(random) && codecOk)
{
dir = NewFSDirectory(CreateTempDir("bttc"));
iw = new RandomIndexWriter(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
new Random((int)seed), dir, a);
}
bool success = false;
try
{
CheckRandomData(new Random((int)seed), a, iterations, maxWordLength, useCharFilter, simple, offsetsAreCorrect, iw);
// now test with multiple threads: note we do the EXACT same thing we did before in each thread,
// so this should only really fail from another thread if its an actual thread problem
int numThreads = TestUtil.NextInt32(random, 2, 4);
var startingGun = new CountdownEvent(1);
var threads = new AnalysisThread[numThreads];
for (int i = 0; i < threads.Length; i++)
{
threads[i] = new AnalysisThread(seed, startingGun, a, iterations, maxWordLength, useCharFilter, simple, offsetsAreCorrect, iw);
}
foreach (AnalysisThread thread in threads)
{
thread.Start();
}
startingGun.Signal();
foreach (var t in threads)
{
try
{
t.Join();
}
catch (Exception e) when (e.IsInterruptedException())
{
fail("Thread interrupted");
}
}
//if (threads.Any(x => x.Failed))
// Fail("Thread threw exception");
foreach (var t in threads)
{
if (t.Failed)
{
fail("Thread threw exception: " + t.FirstException.ToString());
}
}
success = true;
}
finally
{
if (success)
{
IOUtils.Dispose(iw, dir);
}
else
{
IOUtils.DisposeWhileHandlingException(iw, dir); // checkindex
}
}
}
private static void CheckRandomData(Random random, Analyzer a, int iterations, int maxWordLength, bool useCharFilter, bool simple, bool offsetsAreCorrect, RandomIndexWriter iw)
{
LineFileDocs docs = new LineFileDocs(random);
try
{
Document doc = null;
Field field = null, currentField = null;
StringReader bogus = new StringReader("");
if (iw != null)
{
doc = new Document();
FieldType ft = new FieldType(TextField.TYPE_NOT_STORED);
if (random.NextBoolean())
{
ft.StoreTermVectors = true;
ft.StoreTermVectorOffsets = random.NextBoolean();
ft.StoreTermVectorPositions = random.NextBoolean();
if (ft.StoreTermVectorPositions && !OldFormatImpersonationIsActive)
{
ft.StoreTermVectorPayloads = random.NextBoolean();
}
}
if (random.NextBoolean())
{
ft.OmitNorms = true;
}
string pf = TestUtil.GetPostingsFormat("dummy");
bool supportsOffsets = !DoesntSupportOffsets.Contains(pf);
switch (random.Next(4))
{
case 0:
ft.IndexOptions = IndexOptions.DOCS_ONLY;
break;
case 1:
ft.IndexOptions = IndexOptions.DOCS_AND_FREQS;
break;
case 2:
ft.IndexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
break;
default:
if (supportsOffsets && offsetsAreCorrect)
{
ft.IndexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
}
else
{
ft.IndexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
}
break;
}
currentField = field = new Field("dummy", bogus, ft);
doc.Add(currentField);
}
for (int i = 0; i < iterations; i++)
{
string text;
if (random.Next(10) == 7)
{
// real data from linedocs
text = docs.NextDoc().Get("body");
if (text.Length > maxWordLength)
{
// Take a random slice from the text...:
int startPos = random.Next(text.Length - maxWordLength);
if (startPos > 0 && char.IsLowSurrogate(text[startPos]))
{
// Take care not to split up a surrogate pair:
startPos--;
Assert.True(char.IsHighSurrogate(text[startPos]));
}
int endPos = startPos + maxWordLength - 1;
if (char.IsHighSurrogate(text[endPos]))
{
// Take care not to split up a surrogate pair:
endPos--;
}
text = text.Substring(startPos, 1 + endPos - startPos);
}
}
else
{
// synthetic
text = TestUtil.RandomAnalysisString(random, maxWordLength, simple);
}
try
{
CheckAnalysisConsistency(random, a, useCharFilter, text, offsetsAreCorrect, currentField);
if (iw != null)
{
if (random.Next(7) == 0)
{
// pile up a multivalued field
var ft = field.FieldType;
currentField = new Field("dummy", bogus, ft);
doc.Add(currentField);
}
else
{
iw.AddDocument(doc);
if (doc.Fields.Count > 1)
{
// back to 1 field
currentField = field;
doc.RemoveFields("dummy");
doc.Add(currentField);
}
}
}
}
catch (Exception t) when (t.IsThrowable())
{
// TODO: really we should pass a random seed to
// checkAnalysisConsistency then print it here too:
Console.Error.WriteLine("TEST FAIL: useCharFilter=" + useCharFilter + " text='" + Escape(text) + "'");
throw; // LUCENENET: CA2200: Rethrow to preserve stack details (https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2200-rethrow-to-preserve-stack-details)
}
}
}
finally
{
IOUtils.DisposeWhileHandlingException(docs);
}
}
public static string Escape(string s)
{
int charUpto = 0;
StringBuilder sb = new StringBuilder();
while (charUpto < s.Length)
{
int c = s[charUpto];
if (c == 0xa)
{
// Strangely, you cannot put \ u000A into Java
// sources (not in a comment nor a string
// constant)...:
sb.Append("\\n");
}
else if (c == 0xd)
{
// ... nor \ u000D:
sb.Append("\\r");
}
else if (c == '"')
{
sb.Append("\\\"");
}
else if (c == '\\')
{
sb.Append("\\\\");
}
else if (c >= 0x20 && c < 0x80)
{
sb.Append((char)c);
}
else
{
// TODO: we can make ascii easier to read if we
// don't escape...
sb.AppendFormat(CultureInfo.InvariantCulture, "\\u{0:x4}", c);
}
charUpto++;
}