# PHPUnit vs Testing Library

**Leader by vioscaleAI score:** Testing Library

| Attribute | PHPUnit | Testing Library |
|---|---|---|
| **vioscaleAI score** | 56.7 (32% (low)) | 64.8 (77% (high)) |
| activity.commits_last_30d | 100 | 1 |
| adoption.dependent_repos | 777,462 | 1,412,044 |
| adoption.github_stars | 20,063 | 3,336 |
| adoption.package_downloads_weekly | - | 85,960,772 |
| content.faq | `[{"answer":"PHPUnit helps developers verify their PHP code through automated unit testing. It provides a framework for writing, organizing, and running tests. It is indexed under Testing Tools.","source":"https://phpunit.de","question":"What is PHPUnit?","confidence":0.6},{"answer":"PHPUnit is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-3-Clause licence. Pricing changes often, so verify at source before relying on it.","source":"https://phpunit.de","question":"Is PHPUnit free to use?","confidence":0.6},{"answer":"PHPUnit supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://phpunit.de","question":"What platforms does PHPUnit support?","confidence":0.6},{"answer":"Yes. PHPUnit can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://phpunit.de","question":"Can PHPUnit be self-hosted?","confidence":0.6},{"answer":"Yes. PHPUnit is published under the BSD-3-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/sebastianbergmann/phpunit","question":"Is PHPUnit open source?","confidence":0.95},{"answer":"PHPUnit is available worldwide. Its primary market is Germany.","source":"https://phpunit.de","question":"Where is PHPUnit available?","confidence":0.5}]` | `[{"answer":"Testing Library provides lightweight utilities for testing JavaScript applications, with implementations for React, Angular, Vue, and other frameworks. It emphasizes testing best practices and user-centric testing approaches. It is indexed under Testing Tools.","source":"https://testing-library.com","question":"What is Testing Library?","confidence":0.6},{"answer":"Testing Library is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://testing-library.com","question":"Is Testing Library free to use?","confidence":0.6},{"answer":"Testing Library supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://testing-library.com","question":"What platforms does Testing Library support?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Testing Library, including Jest, Cypress and GitHub Actions. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://testing-library.com","question":"What does Testing Library integrate with?","confidence":0.6},{"answer":"Yes. Testing Library is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/testing-library/dom-testing-library","question":"Is Testing Library open source?","confidence":0.99}]` |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | PHPUnit helps developers verify their PHP code through automated unit testing. It provides a framework for writing, organizing, and running tests. | A family of testing utilities that help you test UI components by simulating how users interact with them, focusing on confidence-building tests that avoid implementation details. |
| features.capabilities | `{"coverage":true,"languages":"PHP","test_types":"unit"}` | `{"mocking":false,"coverage":false,"languages":"JavaScript, TypeScript","assertions":true,"watch_mode":false,"ci_integration":true,"snapshot_testing":false,"browser_automation":false,"parallel_execution":false}` |
| integrations.count | - | 12 |
| integrations.list | - | `[{"name":"Jest"},{"name":"Cypress"},{"name":"GitHub Actions"},{"name":"React","native":true,"category":"ui-framework","direction":"bidirectional"},{"name":"Vue","native":true,"category":"ui-framework","direction":"bidirectional"},{"name":"Angular","native":true,"category":"ui-framework","direction":"bidirectional"},{"name":"Svelte","native":true,"category":"ui-framework","direction":"bidirectional"},{"name":"React Native","native":true,"category":"mobile-framework","direction":"bidirectional"},{"name":"Mocha","native":true,"category":"testing-framework","direction":"bidirectional"},{"name":"Puppeteer","native":false,"category":"browser-automation","direction":"bidirectional"},{"name":"Testcafe","native":false,"category":"testing-framework","direction":"bidirectional"},{"name":"Nightwatch","native":false,"category":"testing-framework","direction":"bidirectional"},{"name":"JSDOM","native":true,"category":"dom-simulation","direction":"bidirectional"}]` |
| language.primary | PHP | JavaScript |
| license.spdx | BSD-3-Clause | MIT |
| market.availability | `{"primaryMarkets":["DE"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://phpunit.de","retrievedAt":"2026-08-13T23:02:05.270Z"}` | `{"type":"open_source","summary":"Free, open source under MIT license","freeTier":true,"sourceUrl":"https://testing-library.com","retrievedAt":"2026-08-14T11:09:26.659Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | - | 15 |
| release.history | `[{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.4.2","date":"2026-10-12T15:30:52Z","type":"stable","version":"13.4.2"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.39","date":"2026-10-12T15:29:03Z","type":"stable","version":"12.5.39"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.4.1","date":"2026-10-05T05:53:02Z","type":"stable","version":"13.4.1"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.38","date":"2026-10-05T05:51:01Z","type":"stable","version":"12.5.38"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/11.5.57","date":"2026-10-05T05:49:05Z","type":"stable","version":"11.5.57"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/10.5.66","date":"2026-10-05T05:47:48Z","type":"stable","version":"10.5.66"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/9.6.38","date":"2026-10-05T05:45:41Z","type":"stable","version":"9.6.38"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/8.5.56","date":"2026-10-05T05:43:47Z","type":"stable","version":"8.5.56"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.4.0","date":"2026-10-02T03:22:56Z","type":"stable","version":"13.4.0"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.3.6","date":"2026-09-29T12:14:02Z","type":"stable","version":"13.3.6"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.37","date":"2026-09-29T12:10:42Z","type":"stable","version":"12.5.37"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.3.5","date":"2026-09-25T08:43:08Z","type":"stable","version":"13.3.5"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.36","date":"2026-09-25T08:48:48Z","type":"stable","version":"12.5.36"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/10.5.65","date":"2026-09-23T10:01:55Z","type":"stable","version":"10.5.65"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/9.6.37","date":"2026-09-23T10:01:12Z","type":"stable","version":"9.6.37"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/8.5.55","date":"2026-09-23T09:59:56Z","type":"stable","version":"8.5.55"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.3.4","date":"2026-09-15T07:39:45Z","type":"stable","version":"13.3.4"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.3.3","date":"2026-09-09T04:52:50Z","type":"stable","version":"13.3.3"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.35","date":"2026-09-09T04:51:29Z","type":"stable","version":"12.5.35"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.3.2","date":"2026-08-27T08:43:23Z","type":"stable","version":"13.3.2"}]` | `[{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.4.2","date":"2026-09-13T18:07:21Z","type":"stable","version":"v10.4.2"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.4.1","date":"2025-07-27T13:23:38Z","type":"stable","version":"v10.4.1"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.4.0","date":"2024-07-22T12:18:31Z","type":"stable","version":"v10.4.0"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.3.2","date":"2024-07-15T14:16:28Z","type":"stable","version":"v10.3.2"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.3.1","date":"2024-07-05T10:58:42Z","type":"stable","version":"v10.3.1"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.3.0","date":"2024-07-02T12:15:10Z","type":"stable","version":"v10.3.0"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.2.0","date":"2024-06-24T11:46:05Z","type":"stable","version":"v10.2.0"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.1.0","date":"2024-04-29T07:47:58Z","type":"stable","version":"v10.1.0"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.0.0","date":"2024-04-08T12:33:33Z","type":"stable","version":"v10.0.0"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.0.0-alpha.3","date":"2024-04-04T07:35:13Z","type":"prerelease","version":"v10.0.0-alpha.3"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v9.3.4","date":"2024-01-08T20:17:28Z","type":"stable","version":"v9.3.4"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.0.0-alpha.2","date":"2023-10-03T09:35:50Z","type":"prerelease","version":"v10.0.0-alpha.2"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v9.3.3","date":"2023-09-17T18:11:38Z","type":"stable","version":"v9.3.3"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v9.3.2","date":"2023-09-17T15:14:57Z","type":"stable","version":"v9.3.2"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v10.0.0-alpha.1","date":"2023-09-10T06:32:20Z","type":"prerelease","version":"v10.0.0-alpha.1"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v8.20.1","date":"2023-06-16T19:50:30Z","type":"stable","version":"v8.20.1"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v9.3.1","date":"2023-06-14T15:00:06Z","type":"stable","version":"v9.3.1"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v9.3.0","date":"2023-05-12T11:55:22Z","type":"stable","version":"v9.3.0"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v9.2.0","date":"2023-03-24T18:47:01Z","type":"stable","version":"v9.2.0"},{"url":"https://github.com/testing-library/dom-testing-library/releases/tag/v9.1.0","date":"2023-03-24T18:08:58Z","type":"stable","version":"v9.1.0"}]` |
| security.disclosure_policy | yes | - |
| security.scorecard | 4.5 | 5 |
| security.vulnerabilities | `{"count":4,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=packagist&package_name=phpunit%2Fphpunit&per_page=100","last_12m":3,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40testing-library%2Fdom&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Testing Tools)

| Capability | PHPUnit | Testing Library |
|---|:--:|:--:|
| **Core** |  |  |
| Test types | Unit | - |
| Browser automation | - | ✗ |
| Built-in assertion library | - | ✓ |
| Languages | PHP | JavaScript, TypeScript |
| **Isolation** |  |  |
| Mocking / stubbing | - | ✗ |
| **Techniques** |  |  |
| Snapshot testing | - | ✗ |
| **Performance** |  |  |
| Parallel execution | - | ✗ |
| **Insight** |  |  |
| Code coverage | ✓ | ✗ |
| **DX** |  |  |
| Watch mode | - | ✗ |
| **Ops** |  |  |
| CI integration | - | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T21:37:15.399Z. "-" = undocumented, not absent.*