Files
everything-claude-code/rules/perl/testing.md
Necip Sunmaz ae5c9243c9 feat: add Perl language rules and update documentation
Add rules/perl/ with 5 rule files (coding-style, testing, patterns,
  hooks, security) following the same structure as existing languages.
  Update README.md, README.zh-CN.md, and rules/README.md to document
  Perl support including badges, directory trees, install instructions,
  and rule counts.
2026-03-10 20:42:54 -07:00

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---
paths:
- "**/*.pl"
- "**/*.pm"
- "**/*.t"
- "**/*.psgi"
- "**/*.cgi"
---
# Perl Testing
> This file extends [common/testing.md](../common/testing.md) with Perl specific content.
## Framework
Use **Test2::V0** for new projects (not Test::More):
```perl
use Test2::V0;
is($result, 42, 'answer is correct');
done_testing;
```
## Runner
```bash
prove -l t/ # adds lib/ to @INC
prove -lr -j8 t/ # recursive, 8 parallel jobs
```
Always use `-l` to ensure `lib/` is on `@INC`.
## Coverage
Use **Devel::Cover** — target 80%+:
```bash
cover -test
```
## Mocking
- **Test::MockModule** — mock methods on existing modules
- **Test::MockObject** — create test doubles from scratch
## Pitfalls
- Always end test files with `done_testing`
- Never forget the `-l` flag with `prove`
## Reference
See skill: `perl-testing` for detailed Perl TDD patterns with Test2::V0, prove, and Devel::Cover.