# PHPUnit vs Selenium

**Leader by Vioscale score:** Selenium

| Attribute | PHPUnit | Selenium |
|---|---|---|
| **Vioscale score** | 62 (33% (low)) | 67.6 (76% (high)) |
| activity.commits_last_30d | 100 | 95 |
| adoption.dependent_repos | 777,462 | - |
| adoption.github_stars | 20,045 | 34,397 |
| adoption.package_downloads_weekly | - | 13,857,103 |
| deployment.options | `{"self_hosted":true}` | `{"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. | Open-source tool that automates web browsers to enable automated testing of web applications, regression testing, and automation of repetitive web-based administrative tasks. Includes WebDriver for robust test automation, IDE for record-and-playback scripting, and Grid for distributed test execution. |
| features.capabilities | `{"coverage":true,"languages":"PHP","test_types":"unit"}` | `{"languages":"Java, JavaScript, Python, Ruby, .NET","ci_integration":true,"browser_automation":true,"parallel_execution":true}` |
| integrations.count | - | 5 |
| integrations.list | - | `[{"name":"Chrome"},{"name":"Firefox"},{"name":"Edge"},{"name":"Appium"},{"name":"Chrome for Testing (CfT)"}]` |
| language.primary | PHP | Java |
| license.spdx | BSD-3-Clause | Apache-2.0 |
| market.availability | `{"primaryMarkets":["DE"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://phpunit.de","retrievedAt":"2026-08-13T23:02:05.270Z"}` | `{"type":"open_source","summary":"Free and open-source (Apache 2.0 license)","freeTier":true,"sourceUrl":"https://www.selenium.dev","retrievedAt":"2026-08-14T11:07:50.782Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | - | 30 |
| release.history | `[{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.3.1","date":"2026-08-13T13:16:00Z","type":"stable","version":"13.3.1"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/9.6.36","date":"2026-08-11T06:30:51Z","type":"stable","version":"9.6.36"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/8.5.54","date":"2026-08-11T06:07:55Z","type":"stable","version":"8.5.54"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.3.0","date":"2026-08-07T07:38:42Z","type":"stable","version":"13.3.0"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.2.6","date":"2026-07-28T14:01:46Z","type":"stable","version":"13.2.6"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.33","date":"2026-07-28T14:00:09Z","type":"stable","version":"12.5.33"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.2.5","date":"2026-07-25T07:01:26Z","type":"stable","version":"13.2.5"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.32","date":"2026-07-25T06:58:57Z","type":"stable","version":"12.5.32"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.2.4","date":"2026-07-08T08:38:10Z","type":"stable","version":"13.2.4"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.2.3","date":"2026-07-06T14:59:31Z","type":"stable","version":"13.2.3"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.31","date":"2026-07-06T14:56:41Z","type":"stable","version":"12.5.31"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/11.5.56","date":"2026-07-06T14:54:46Z","type":"stable","version":"11.5.56"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/10.5.64","date":"2026-07-06T14:52:17Z","type":"stable","version":"10.5.64"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/9.6.35","date":"2026-07-06T14:50:10Z","type":"stable","version":"9.6.35"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/8.5.53","date":"2026-07-06T14:47:15Z","type":"stable","version":"8.5.53"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.2.2","date":"2026-06-29T13:38:23Z","type":"stable","version":"13.2.2"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.2.1","date":"2026-06-15T13:17:06Z","type":"stable","version":"13.2.1"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/12.5.30","date":"2026-06-15T13:14:35Z","type":"stable","version":"12.5.30"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.2.0","date":"2026-06-05T03:14:45Z","type":"stable","version":"13.2.0"},{"url":"https://github.com/sebastianbergmann/phpunit/releases/tag/13.1.14","date":"2026-06-04T06:18:17Z","type":"stable","version":"13.1.14"}]` | `[{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/nightly","date":"2026-08-26T00:14:38Z","type":"prerelease","version":"nightly"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.47.0","date":"2026-08-10T18:00:07Z","type":"stable","version":"selenium-4.47.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.46.0","date":"2026-07-11T00:47:53Z","type":"stable","version":"selenium-4.46.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.45.0","date":"2026-06-16T13:59:48Z","type":"stable","version":"selenium-4.45.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.44.0","date":"2026-05-12T23:58:59Z","type":"stable","version":"selenium-4.44.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.43.0","date":"2026-04-10T06:52:53Z","type":"stable","version":"selenium-4.43.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.42.0","date":"2026-04-09T11:53:47Z","type":"stable","version":"selenium-4.42.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.41.0","date":"2026-02-20T15:57:35Z","type":"stable","version":"selenium-4.41.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.40.0","date":"2026-01-18T23:53:16Z","type":"stable","version":"selenium-4.40.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.39.0","date":"2025-12-06T22:53:26Z","type":"stable","version":"selenium-4.39.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.38.0","date":"2025-10-25T05:01:29Z","type":"stable","version":"selenium-4.38.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.37.0","date":"2025-10-18T05:02:55Z","type":"stable","version":"selenium-4.37.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.36.0","date":"2025-10-02T15:37:23Z","type":"stable","version":"selenium-4.36.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.35.0","date":"2025-08-12T15:44:30Z","type":"stable","version":"selenium-4.35.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.34.0","date":"2025-06-29T18:25:54Z","type":"stable","version":"selenium-4.34.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.33.0","date":"2025-05-23T17:42:58Z","type":"stable","version":"selenium-4.33.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.32.0","date":"2025-05-02T20:34:32Z","type":"stable","version":"selenium-4.32.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.31.0","date":"2025-04-05T02:49:03Z","type":"stable","version":"selenium-4.31.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.30.0","date":"2025-03-21T22:33:48Z","type":"stable","version":"selenium-4.30.0"},{"url":"https://github.com/SeleniumHQ/selenium/releases/tag/selenium-4.29.0","date":"2025-02-20T12:14:50Z","type":"stable","version":"selenium-4.29.0"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | - |
| security.scorecard | 4.5 | 2.7 |
| 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"}` | - |

## Capabilities (Testing Tools)

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

*Source: Vioscale. Generated 2026-09-01T15:07:18.026Z. "-" = undocumented, not absent.*