in reply to tests for web apps
For the modules you want Test::More and friends. A good introduction is Test::Tutorial.
For testing the web application itself WWW::Mechanize is very useful, and people have said good things about HTTP::WebTest. You may also find Test::HTML::Content and Test::HTML::Lint of interest.
On perlmonks try:
- The Joy of Test
- Automated software testing: emulation of interfaces using Test::MockObject
- Unit Testing Generated HTML
- What goes in a test suite?
- Further adventures with testing
- Micro Mocking: using local to help test subs
Hope this helps.
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Seekers of Perl Wisdom