On the recordRead 30 Sep 202620 facts
PIT
On the record
- Build integrations
- PIT can be launched from the command line, Ant, or Maven, with third-party integrations for Gradle, Eclipse, and IntelliJ.pitest.org · read 30 Sep 2026
- Bytecode requirement
- PIT requires line numbers and source file names in bytecode and mutates bytecode rather than compiling source code.pitest.org · read 30 Sep 2026
- Distribution
- PIT releases are available through GitHub and its binaries are available on Maven Central.pitest.org · read 30 Sep 2026
- IDE integrations
- The PIT site lists third-party Eclipse and IntelliJ plugins and says PIT can also be launched from most other IDEs as a Java application.pitest.org · read 30 Sep 2026
- JUnit 5 limit
- JUnit 5 is not supported out of the box, though the FAQ links to a plugin for it.pitest.org · read 30 Sep 2026
- Language coverage
- PIT is designed for Java and the JVM; Kotlin support is provided through an ArcMutate plugin.pitest.org · read 30 Sep 2026
- Language support
- The FAQ lists Java as supported and says Kotlin support is available through an ArcMutate plugin.pitest.org · read 30 Sep 2026
- Maker
- The About page identifies Henry Coles, a software developer based in Edinburgh, as the principal author and says PIT has also received contributions from others.pitest.org · read 30 Sep 2026
- Mocking frameworks
- PIT says it is tested with major mocking frameworks and lists JMock, EasyMock, Mockito, PowerMock, and JMockit as working with it.pitest.org · read 30 Sep 2026
- Mutation coverage
- PIT reports mutation coverage alongside line coverage, and describes mutation testing as a way to assess whether executed code is meaningfully tested.pitest.org · read 30 Sep 2026
- Mutation handling
- PIT keeps generated mutations in memory and does not write them to disk unless its EXPORT feature is explicitly enabled.pitest.org · read 30 Sep 2026
- Mutation operators
- PIT applies configurable bytecode mutations, including removing method calls, inverting logic, and altering return values.pitest.org · read 30 Sep 2026
- Purpose
- PIT runs unit tests against automatically modified versions of application code to measure whether tests detect faults.pitest.org · read 30 Sep 2026
- Reports
- PIT produces reports combining line coverage and mutation coverage information.pitest.org · read 30 Sep 2026
- Requirements
- The FAQ says PIT 1.4.0 and later requires Java 8 or above and either JUnit or TestNG on the classpath.pitest.org · read 30 Sep 2026
- Runtime limitation
- Mutation testing can take a long time depending on codebase size and test suite speed; PIT recommends focusing analysis on changed code.pitest.org · read 30 Sep 2026
- Security and compliance
- The PIT pages reviewed do not state security certifications or compliance attestations.pitest.org · read 30 Sep 2026
- Security and privacy
- PIT’s FAQ says generated mutations are held in memory and not written to disk unless its EXPORT feature is explicitly enabled; the site privacy page says it uses Google Analytics cookies and log files.pitest.org · read 30 Sep 2026
