# Lucene 8.3.1 Test Framework API

The Lucene Test Framework is used by Lucene as the basis for its tests.

See: Description

Packages
Package | Description
--- | ---
org.apache.lucene.analysis | Support for testing analysis components.
org.apache.lucene.analysis.standard | Classes to support `StandardAnalyzer` component testing
org.apache.lucene.codecs | Codecs for testing (simulate old disk formats, wacky theoretical use cases, etc)
org.apache.lucene.codecs.asserting | Codec for testing that asserts various contracts of the codec apis.
org.apache.lucene.codecs.blockterms | Codecs for testing that support `org.apache.lucene.codecs.blockterms`
org.apache.lucene.codecs.bloom | Support for generating test indexes using the BloomFilteringPostingsFormat
org.apache.lucene.codecs.cheapbastard | Codec that unreasonably tries to use as little RAM as possible.
org.apache.lucene.codecs.compressing | Support for testing `CompressingStoredFieldsFormat`.
org.apache.lucene.codecs.compressing.dummy | Dummy CompressingCodec implementation used for testing.
org.apache.lucene.codecs.cranky | Codec for testing that throws random IOExceptions
org.apache.lucene.codecs.mockrandom | Frankenstein codec for testing that pieces together random components.
org.apache.lucene.codecs.ramonly | Codec for testing that never writes to disk.
org.apache.lucene.codecs.uniformsplit | Test PostingsFormat for testing `org.apache.lucene.codecs.uniformsplit` with block encryption using basic ROT13.
org.apache.lucene.codecs.uniformsplit.sharedterms | Test PostingsFormat for testing `org.apache.lucene.codecs.uniformsplit.sharedterms` with block encryption using basic ROT13.
org.apache.lucene.geo | Reusable Geo test utilities.
org.apache.lucene.index | Support for testing of indexes.
org.apache.lucene.mockfile | Support for testing/debugging with virtual filesystems
org.apache.lucene.search | Support for testing search components.
org.apache.lucene.search.similarities | Support for testing similarities
org.apache.lucene.search.spans | Support for testing search spanqueries.
org.apache.lucene.store | Support for testing store mechanisms.
org.apache.lucene.util | General test support.
org.apache.lucene.util.automaton | Support for testing automata.
org.apache.lucene.util.fst | Support for FST testing.

The Lucene Test Framework is used by Lucene as the basis for its tests. The framework can also be used for testing third-party code that uses the Lucene API.

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