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[Testing & Quality](/categories/testing) 4. / 5. patchlevel/event-sourcing-phpunit ActiveLibrary[Testing & Quality](/categories/testing) patchlevel/event-sourcing-phpunit ================================= Test your event-sourcing aggregates and subscribers with a clear given / when / then notation 1.7.0(3mo ago)1112.6k↓55%2[1 issues](https://github.com/patchlevel/event-sourcing-phpunit/issues)[3 PRs](https://github.com/patchlevel/event-sourcing-phpunit/pulls)MITPHPPHP ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0CI passing Since Feb 12Pushed 6d ago2 watchersCompare [ Source](https://github.com/patchlevel/event-sourcing-phpunit)[ Packagist](https://packagist.org/packages/patchlevel/event-sourcing-phpunit)[ Docs](https://event-sourcing.patchlevel.io)[ RSS](/packages/patchlevel-event-sourcing-phpunit/feed)WikiDiscussions 1.8.x Synced 2d ago READMEChangelog (9)Dependencies (10)Versions (23)Used By (0) [![Mutation testing badge](https://camo.githubusercontent.com/30e14120b7357a81d5f11a5e56f67a5478c3f1278f90cc7549e32f5e42038f45/68747470733a2f2f696d672e736869656c64732e696f2f656e64706f696e743f7374796c653d666c61742675726c3d687474707325334125324625324662616467652d6170692e737472796b65722d6d757461746f722e696f2532466769746875622e636f6d25324670617463686c6576656c2532466576656e742d736f757263696e672d706870756e6974253246312e302e78)](https://dashboard.stryker-mutator.io/reports/github.com/patchlevel/event-sourcing-phpunit/1.0.x)[![Latest Stable Version](https://camo.githubusercontent.com/9c094fdd83811b6131a08e0e8f01641ab6e27089c89bf4485f586ebae9c79412/68747470733a2f2f706f7365722e707567782e6f72672f70617463686c6576656c2f6576656e742d736f757263696e672d706870756e69742f76)](//packagist.org/packages/patchlevel/event-sourcing-phpunit)[![License](https://camo.githubusercontent.com/43e6d6aae2b134d7145ef807299a6ad09e58c95a19cc9701ccd4e5a85303d75e/68747470733a2f2f706f7365722e707567782e6f72672f70617463686c6576656c2f6576656e742d736f757263696e672d706870756e69742f6c6963656e7365)](//packagist.org/packages/patchlevel/event-sourcing-phpunit) Event Sourcing PHPUnit ====================== [](#event-sourcing-phpunit) "Test your event-sourcing aggregates and subscribers with a clear given / when / then notation." Features -------- [](#features) - A [given / when / then test case](https://patchlevel.dev/docs/event-sourcing-phpunit/latest/testing-aggregates) for aggregate behaviour - A `when` that also [dispatches commands](https://patchlevel.dev/docs/event-sourcing-phpunit/latest/testing-aggregates) through your `#[Handle]` methods - [Aggregate state assertions](https://patchlevel.dev/docs/event-sourcing-phpunit/latest/testing-aggregates) with closures - A [subscriber utility](https://patchlevel.dev/docs/event-sourcing-phpunit/latest/testing-subscribers) for setup, run and teardown - and much more... Installation ------------ [](#installation) ``` composer require --dev patchlevel/event-sourcing-phpunit ``` Documentation ------------- [](#documentation) - Latest [Docs](https://patchlevel.dev/docs/event-sourcing-phpunit/latest) - Related [Blog](https://patchlevel.dev/blog) Integration ----------- [](#integration) - [event-sourcing](https://github.com/patchlevel/event-sourcing) Contributing ------------ [](#contributing) We are open to contributions as long as they are in line with our [BC-Policy](https://patchlevel.dev/our-backward-compatibility-promise). Also note that the `composer.lock` is always generated with the newest supported PHP version as this is the version our tools run in the CI. ### Health Score 51 — FairBetter than 95% of packages Maintenance72 Regular maintenance activity Popularity36 Limited adoption so far Community16 Small or concentrated contributor base Maturity65 Established project with proven stability Bus Factor1 Top contributor holds 79.5% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~28 days Total 18 Last Release 17d ago PHP version history (4 changes)1.0.0PHP ~8.1.0 || ~8.2.0 || ~8.3.0 1.1.0PHP ~8.2.0 || ~8.3.0 1.2.0PHP ~8.2.0 || ~8.3.0 || ~8.4.0 1.3.0PHP ~8.2.0 || ~8.3.0 || ~8.4.0 || ~8.5.0 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/470138?v=4)[David Badura](/maintainers/DavidBadura)[@DavidBadura](https://github.com/DavidBadura) ![](https://avatars.githubusercontent.com/u/2017762?v=4)[Daniel Badura](/maintainers/DanielBadura)[@DanielBadura](https://github.com/DanielBadura) --- Top Contributors [![renovate[bot]](https://avatars.githubusercontent.com/in/2740?v=4)](https://github.com/renovate[bot] "renovate[bot] (167 commits)")[![DanielBadura](https://avatars.githubusercontent.com/u/2017762?v=4)](https://github.com/DanielBadura "DanielBadura (34 commits)")[![wikando-ck](https://avatars.githubusercontent.com/u/73299324?v=4)](https://github.com/wikando-ck "wikando-ck (6 commits)")[![DavidBadura](https://avatars.githubusercontent.com/u/470138?v=4)](https://github.com/DavidBadura "DavidBadura (2 commits)")[![fritz-gerneth](https://avatars.githubusercontent.com/u/1294731?v=4)](https://github.com/fritz-gerneth "fritz-gerneth (1 commits)") --- Tags testingphpunitdddevent sourcing ### Code Quality Static AnalysisPHPStan Type Coverage Yes ### Embed Badge ![Health badge](/badges/patchlevel-event-sourcing-phpunit/health.svg) ``` [![Health](https://phpackages.com/badges/patchlevel-event-sourcing-phpunit/health.svg)](https://phpackages.com/packages/patchlevel-event-sourcing-phpunit) ``` ### Alternatives [brianium/paratest Parallel testing for PHP 2.5k136.1M986](/packages/brianium-paratest)[orchestra/testbench Laravel Testing Helper for Packages Development 2.2k42.5M40.9k](/packages/orchestra-testbench)[spatie/phpunit-snapshot-assertions Snapshot testing with PHPUnit 69619.8M639](/packages/spatie-phpunit-snapshot-assertions)[yoast/phpunit-polyfills Set of polyfills for changed PHPUnit functionality to allow for creating PHPUnit cross-version compatible tests 18543.6M1.3k](/packages/yoast-phpunit-polyfills)[ta-tikoma/phpunit-architecture-test Methods for testing application architecture 10958.3M21](/packages/ta-tikoma-phpunit-architecture-test)[allure-framework/allure-phpunit Allure PHPUnit integration 6913.4M46](/packages/allure-framework-allure-phpunit) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)