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java-junitby GitHubDevelopmentGitHub stars: 40.4k

Java JUnit skill: what it does and how to install it

Guides JUnit 5 unit testing in Java, covering test structure, assertions, parameterised tests, mocking and test organisation.

Summary generated from the skill's documentation.

Install

$ npx skills add github/awesome-copilot --skill java-junit

Run it in a terminal. If your agent is already running, start a new session so it picks the skill up.

About this skill

What it does. Guides Java tests in Maven or Gradle projects using JUnit 5 conventions, including AAA structure, lifecycle methods, focused tests and descriptive names. Covers parameterised tests with value, method, CSV and enum sources, plus assertions, exception checks, Mockito isolation and test grouping.

When to use it. When writing or reviewing JUnit 5 unit tests, including data-driven tests. It also applies to organising tests with tags, nested classes and selectively ordered or disabled cases.

History

Repo stars

40.4k+707 since 5 Oct 2026

Stars are counted for the whole repository, which holds 80 skills.

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Repo stars by day
DateRepo stars
26 Oct 202640,426
25 Oct 202640,385
24 Oct 202640,365
23 Oct 202640,341
22 Oct 202640,302
21 Oct 202640,260
20 Oct 202640,214
19 Oct 202640,178
18 Oct 202640,143
17 Oct 202640,111
16 Oct 202640,072
15 Oct 202640,038
14 Oct 202639,999
13 Oct 202639,981
12 Oct 202639,948
11 Oct 202639,904
10 Oct 202639,881
9 Oct 202639,845
8 Oct 202639,804
7 Oct 202639,761
6 Oct 202639,731
5 Oct 202639,719

Installs

11.7k+111 since 19 Oct 2026

Installs via skills.sh

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Installs by day
DateInstalls
26 Oct 202611,673
25 Oct 202611,650
24 Oct 202611,635
23 Oct 202611,614
22 Oct 202611,592
21 Oct 202611,577
20 Oct 202611,570
19 Oct 202611,562

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