Class MockAnalyzer

Analyzer for testing.

This analyzer is a replacement for Whitespace/Simple/KeywordAnalyzers for unit tests. If you are testing a custom component such as a queryparser or analyzer-wrapper that consumes analysis streams, its a great idea to test it with this analyzer instead. MockAnalyzer has the following behavior:

  • By default, the assertions in MockTokenizer are turned on for extra checks that the consumer is consuming properly. These checks can be disabled with EnableChecks.
  • Payload data is randomly injected into the stream for more thorough testing of payloads.

Inheritance
System.Object
Analyzer
MockAnalyzer
Implements
System.IDisposable
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Lucene.Net.Analysis
Assembly: Lucene.Net.TestFramework.dll
Syntax
public sealed class MockAnalyzer : Analyzer, IDisposable

Constructors

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MockAnalyzer(Random)

Create a Whitespace-lowercasing analyzer with no stopwords removal.

Calls MockAnalyzer(random, MockTokenizer.WHITESPACE, true, MockTokenFilter.EMPTY_STOPSET, false).

Declaration
public MockAnalyzer(Random random)
Parameters
Type Name Description
System.Random random
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MockAnalyzer(Random, CharacterRunAutomaton, Boolean)

Calls MockAnalyzer(random, runAutomaton, lowerCase, MockTokenFilter.EMPTY_STOPSET, false).

Declaration
public MockAnalyzer(Random random, CharacterRunAutomaton runAutomaton, bool lowerCase)
Parameters
Type Name Description
System.Random random
CharacterRunAutomaton runAutomaton
System.Boolean lowerCase
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MockAnalyzer(Random, CharacterRunAutomaton, Boolean, CharacterRunAutomaton)

Creates a new MockAnalyzer.

Declaration
public MockAnalyzer(Random random, CharacterRunAutomaton runAutomaton, bool lowerCase, CharacterRunAutomaton filter)
Parameters
Type Name Description
System.Random random

Random for payloads behavior

CharacterRunAutomaton runAutomaton

DFA describing how tokenization should happen (e.g. [a-zA-Z]+)

System.Boolean lowerCase

true if the tokenizer should lowercase terms

CharacterRunAutomaton filter

DFA describing how terms should be filtered (set of stopwords, etc)

Properties

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EnableChecks

Toggle consumer workflow checking: if your test consumes tokenstreams normally you should leave this enabled.

Declaration
public bool EnableChecks { get; set; }
Property Value
Type Description
System.Boolean
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MaxTokenLength

Toggle maxTokenLength for MockTokenizer.

Declaration
public int MaxTokenLength { get; set; }
Property Value
Type Description
System.Int32

Methods

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CreateComponents(String, TextReader)

Declaration
protected override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
Parameters
Type Name Description
System.String fieldName
System.IO.TextReader reader
Returns
Type Description
TokenStreamComponents
Overrides
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GetOffsetGap(String)

Get the offset gap between tokens in fields if several fields with the same name were added.

Declaration
public override int GetOffsetGap(string fieldName)
Parameters
Type Name Description
System.String fieldName

Currently not used, the same offset gap is returned for each field.

Returns
Type Description
System.Int32
Overrides
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GetPositionIncrementGap(String)

Declaration
public override int GetPositionIncrementGap(string fieldName)
Parameters
Type Name Description
System.String fieldName
Returns
Type Description
System.Int32
Overrides
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SetOffsetGap(Int32)

Sets an offset gap which will then be added to the offset when several fields with the same name are indexed

Declaration
public void SetOffsetGap(int offsetGap)
Parameters
Type Name Description
System.Int32 offsetGap
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SetPositionIncrementGap(Int32)

Declaration
public void SetPositionIncrementGap(int positionIncrementGap)
Parameters
Type Name Description
System.Int32 positionIncrementGap

Implements

System.IDisposable

See Also