An Introduction to Testing
- Article on perl.com by chromatic, which explains why writing tests is good and how to go about it.
- http://www.perl.com/pub/a/2001/12/04/testing.html

LectroTest
- Automatic, specification-based testing tool for Perl, that by running repeated random trials against the code being tested. FAQs, lists, forum, and talks.
- http://community.moertel.com/ss/space/LectroTest

Perl Testing Reference Card
- One-page synopsys of some of the most popular Test:: modules, by Ian Langworth.
- http://langworth.com/pub/perl_test_refcard.pdf

Testing Modules Available on CPAN
- An fairly comprehensive survey of the many testing modules available in the Test:: namespace.
- http://qa.perl.org/test-modules.html

Automated Testing With Perl
- Slides for an introduction to Perl tests, with an overview of the CPAN testing modules.
- http://www.petdance.com/perl/automated-testing/