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Re: change perl function in runtime

by DrHyde (Prior)
on Dec 05, 2012 at 11:58 UTC ( #1007279=note: print w/replies, xml ) Need Help??

in reply to change perl function in runtime

Sounds like you need to:
  • invent a time machine
  • travel back a week and a bit
  • go to my talk on unit testing at the London Perl Workshop
and then mock function y. If all you want to do is generate a die() when you call it, then simply manipulating the symbol table as others have suggested would probably be sufficient, or you might want to use Test::MockObject. If you want to be a bit more rigourous, so that as well as testing that your code behaves correctly when 'y' dies but also test that you call y correctly, I recommend Class::Mockable and Class::Mock::Generic::InterfaceTester.

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