Agent skill · software engineering · affaan-m
perl-testing
Perl testing patterns using Test2::V0, Test::More, prove runner, mocking, coverage with Devel::Cover, and TDD methodology. Use when writing Perl tests with Test2::V0 or Test::More, or measuring coverage.
Why this skill is useful
Provides specific Perl testing patterns and methodologies that the AI wouldn't reliably generate on its own.
What it needs
About 6k tokens when loaded. Last updated 2026-08-06. 238,342 stars on the source repository.
What this skill does
Perl Testing Patterns Comprehensive testing strategies for Perl applications using Test2::V0, Test::More, prove, and TDD methodology. When to Activate Writing new Perl code (follow TDD: red, green, refactor) Designing test suites for Perl modules or applications Reviewing Perl test coverage Setting up Perl testing infrastructure Migrating tests from Test::More to Test2::V0 Debugging failing Perl tests TDD Workflow Always follow the RED-GREEN-REFACTOR cycle. Test::More Fundamentals The standard Perl testing module — widely used, ships with core. Basic Assertions SKIP and TODO Test2::V0 Modern Framework Test2::V0 is the modern replacement for Test::More — richer assertions, better diagnostics, and extensible. Why Test2? Superior deep comparison with hash/array builders Better diagnostic output on failures Subtests with cleaner scoping Extensible via Test2::Tools:: plugins Backward-compatible with Test::More tests Deep Comparison with Builders Subtests Exception Testing with Test2 Test Organization and prove Directory Structure prove Commands .proverc Configuration Fixtures and Setup/Teardown Subtest Isolation Shared Test Helpers Place reusable helpers in t/lib/TestHelper.pm and load with use lib 't/lib'. Export factory functions like createtestdb(), createtempdir(), and fixturepath() via Exporter. Mocking Test::MockModule For lightweight mock objects, use Test::MockObject to create injectable test doubles with ->mock() and verify calls with ->calledok(). Coverage with Devel::Cover Running Coverage Integration Testing Use in-memory SQLite for database tests, mock HTTP::Tiny for API tests. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills affaan-m/perl-testing--94e286