Perl testing info links

http://perlunit.sourceforge.net

http://www.cpantesters.org

http://c2.com/cgi/wiki?PerlUnit

http://www.extremeperl.org/bk/unit-testing

http://search.cpan.org/~mcast/Test-Unit-0.25/lib/Test/Unit.pm

http://www.perlmonks.org/?node_id=469927

*[X]* http://perldoc.perl.org/Test/More.html

*[X]* http://stackoverflow.com/questions/502644/how-can-i-do-unit-testing-in-perl

q.
I'd add my vote to picking up Test::More before going any further in Perl testing. The Perl testing community is fairly well united around the Test Anything Protocol, and you'll want to play around with Test::More to understand how it works and how tools like prove and Test::Harness::Archive can help automate and distribute testing.

If you want to just "jump right in", I think Test::Class provides xTest facilities with a TAP backend. I haven't used it at all (I'm a Test::More person myself), but it's very highly rated.
q..

http://stackoverflow.com/questions/499967/how-do-i-determine-the-longest-similar-portion-of-several-strings/500518#500518

*[X]* http://stackoverflow.com/questions/533553/perl-build-unit-testing-code-coverage-a-complete-working-example

http://stackoverflow.com/questions/468675/how-can-i-test-a-standalone-perl-script

http://xprogramming.com/articles/manual-testing-does-exist-and-it-is-bad/

http://www.developsense.com/blog/2013/02/manual-and-automated-testing/