# Puppeteer vs unittest

**Leader by vioscaleAI score:** Puppeteer

| Attribute | Puppeteer | unittest |
|---|---|---|
| **vioscaleAI score** | 72.3 (66% (medium)) | 55.9 (33% (low)) |
| activity.commits_last_30d | 74 | 100 |
| adoption.dependent_repos | 144,056 | 111 |
| adoption.github_stars | 95,682 | 77,552 |
| adoption.package_downloads_weekly | 11,510,272 | - |
| content.faq | `[{"answer":"Puppeteer provides programmatic control over browser instances, enabling automated navigation, interaction, and inspection of web pages through a high-level API. It supports both Chrome and Firefox and runs in headless mode by default. It is indexed under Testing Tools.","source":"https://pptr.dev/","question":"What is Puppeteer?","confidence":0.6},{"answer":"Puppeteer is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://pptr.dev/","question":"Is Puppeteer free to use?","confidence":0.6},{"answer":"Puppeteer supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://pptr.dev/","question":"What platforms does Puppeteer support?","confidence":0.6},{"answer":"Yes. Puppeteer can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://pptr.dev/","question":"Can Puppeteer be self-hosted?","confidence":0.6},{"answer":"We have confirmed 4 integrations for Puppeteer, including Chrome, Firefox, DevTools Protocol and WebDriver BiDi. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://pptr.dev/","question":"What does Puppeteer integrate with?","confidence":0.6},{"answer":"Yes. Puppeteer is published under the Apache-2.0 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/puppeteer/puppeteer","question":"Is Puppeteer open source?","confidence":0.99}]` | `[{"answer":"Automates unit test execution with support for setup and teardown code, test organization, and independent test management. Includes test discovery and can be integrated with continuous integration systems. It is indexed under Testing Tools.","source":"https://docs.python.org/3/library/unittest.html","question":"What is unittest?","confidence":0.6},{"answer":"unittest is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://docs.python.org/3/library/unittest.html","question":"Is unittest free to use?","confidence":0.6},{"answer":"unittest supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://docs.python.org/3/library/unittest.html","question":"What platforms does unittest support?","confidence":0.6}]` |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | Provides programmatic control of Chrome and Firefox browsers for automation and testing through a JavaScript API. | A framework for writing and executing unit tests with support for shared setup and teardown code, test grouping, and flexible reporting mechanisms. |
| features.capabilities | `{"coverage":true,"protocol":"cdp","languages":"JavaScript","open_source":true,"headless_mode":true,"auto_wait_retry":true,"browser_automation":true}` | `{"mocking":true,"languages":"Python","assertions":true,"test_types":"unit","ci_integration":true}` |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Chrome"},{"name":"Firefox"},{"name":"DevTools Protocol"},{"name":"WebDriver BiDi"},{"name":"chrome-devtools-mcp"}]` | - |
| language.primary | TypeScript | Python |
| license.spdx | Apache-2.0 | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://pptr.dev/","retrievedAt":"2026-09-10T16:07:42.951Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://docs.python.org/3/library/unittest.html","retrievedAt":"2026-10-14T21:32:54.964Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| pricing.transparent | yes | yes |
| release.history | `[{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.13.0","date":"2026-10-08T13:00:00Z","type":"stable","version":"puppeteer-v25.13.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.13.0","date":"2026-10-08T13:00:01Z","type":"stable","version":"puppeteer-core-v25.13.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.4","date":"2026-10-08T13:00:03Z","type":"stable","version":"browsers-v3.2.4"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.12.0","date":"2026-09-23T12:52:04Z","type":"stable","version":"puppeteer-v25.12.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.12.0","date":"2026-09-23T12:52:05Z","type":"stable","version":"puppeteer-core-v25.12.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.3","date":"2026-09-23T12:52:06Z","type":"stable","version":"browsers-v3.2.3"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.11.0","date":"2026-09-14T08:59:59Z","type":"stable","version":"puppeteer-v25.11.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.11.0","date":"2026-09-14T09:00:00Z","type":"stable","version":"puppeteer-core-v25.11.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.10.0","date":"2026-09-03T13:06:55Z","type":"stable","version":"puppeteer-v25.10.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.10.0","date":"2026-09-03T13:06:56Z","type":"stable","version":"puppeteer-core-v25.10.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.2","date":"2026-09-03T13:06:58Z","type":"stable","version":"browsers-v3.2.2"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.9.0","date":"2026-08-25T07:40:50Z","type":"stable","version":"puppeteer-v25.9.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.9.0","date":"2026-08-25T07:40:51Z","type":"stable","version":"puppeteer-core-v25.9.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.8.0","date":"2026-08-17T09:12:45Z","type":"stable","version":"puppeteer-v25.8.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.8.0","date":"2026-08-17T09:12:46Z","type":"stable","version":"puppeteer-core-v25.8.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/browsers-v3.2.1","date":"2026-08-17T09:12:47Z","type":"stable","version":"browsers-v3.2.1"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.7.0","date":"2026-08-13T18:40:18Z","type":"stable","version":"puppeteer-v25.7.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.7.0","date":"2026-08-13T18:40:19Z","type":"stable","version":"puppeteer-core-v25.7.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-v25.6.0","date":"2026-08-11T13:11:24Z","type":"stable","version":"puppeteer-v25.6.0"},{"url":"https://github.com/puppeteer/puppeteer/releases/tag/puppeteer-core-v25.6.0","date":"2026-08-11T13:11:26Z","type":"stable","version":"puppeteer-core-v25.6.0"}]` | - |
| security.scorecard | 7.9 | 7.9 |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=puppeteer&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=python&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Testing Tools)

| Capability | Puppeteer | unittest |
|---|:--:|:--:|
| **Core** |  |  |
| Test types | - | Unit |
| Browser automation | ✓ | - |
| Built-in assertion library | - | ✓ |
| Languages | JavaScript | Python |
| **Isolation** |  |  |
| Mocking / stubbing | - | ✓ |
| **Techniques** |  |  |
| Snapshot testing | - | - |
| **Performance** |  |  |
| Parallel execution | - | - |
| **Insight** |  |  |
| Code coverage | ✓ | - |
| **DX** |  |  |
| Watch mode | - | - |
| **Ops** |  |  |
| CI integration | - | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T22:15:36.883Z. "-" = undocumented, not absent.*