# unit-testing

Skill · `skill:unit-testing`

Favz census, built 2026-10-04. Tool names and counts only. No repo names. HTML page: https://favz.co/tools/skill-unit-testing.html

- Repos that have it now: 41
- Repos that ever had it: 43
- Still have it: 95%
- Share of census repos with any tool: 0.04%

## Repos with it, by month

From commit dates in each repo's history. The last few days always look low, because repos found later fill them in.

| Month | Repos at month end |
|---|---|
| 2025-10 | 1 |
| 2025-11 | 2 |
| 2025-12 | 1 |
| 2026-01 | 4 |
| 2026-02 | 5 |
| 2026-03 | 7 |
| 2026-04 | 19 |
| 2026-05 | 21 |
| 2026-06 | 25 |
| 2026-07 | 31 |
| 2026-08 | 36 |
| 2026-09 | 41 |

## Goes with

Tools found in the same repos, ranked by lift: 3× means the two show up together three times as often as chance would give. Only pairs sharing 5 or more repos.

| Tool | Kind | Repos with both | Lift |
|---|---|---|---|
| [integration-testing](https://favz.co/tools/skill-integration-testing.md) | Skill | 8 | 659.4× |
| [e2e-testing](https://favz.co/tools/skill-e2e-testing.md) | Skill | 13 | 163.1× |
| [code-review](https://favz.co/tools/skill-code-review.md) | Skill | 5 | 8.8× |