I recently went to a cleancoders event where we were using Ruby to solve Katas with test first programming. I was itching to try it in Perl but I have never done testing in Perl or written modules. I have been reading 'Advanced Perl Programming' and 'Testing Perl' but they seem to be aimed at testing perl modules.

My options seem to be:

--Do the developement in a perl module and write a pl file to execute the code after testing. That means 3 files; .t, .pm, and .pl where the Ruby guys only needed 2.

--Mix tests into my application and use a variable or command line argument to enable the tests.

Are there other options?

At work I would like to create my own modules but I was told to have everything in one file for the application I've been working on. I'm thinking it should be possible to put my functions into a package in the same file and then run the tests against that package.

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