Re: [Boston.pm] test::something that captures/hide expected stderr

On 07/03/2022 19:03, email-2Ro/Dj86MvDSUeElwK9/[email protected] wrote:

> Another issue I'm running into is that I'm doing a lot of negative testing.
> I'm testing a module I wrote and making sure it errors out when given 
> bad data.
> According to Test::More, the way to do that is:
> 
> ok !eval {myfun("bad", "data"); 1}, 'test bad data';
> 
> The annoying thing is that myfunc() prints out a bunch of error messages
> which show up on my terminal when I run mytest.pl script.
> So, I run mytest.pl, see a bunch of errors, and it's not immediately clear
> those messages are expected.

The best tool for this is Capture::Tiny. You can capture STDOUT and 
STDERR into variables and then check that they are as expected. See for 
example 
https://metacpan.org/release/DCANTRELL/CPAN-FindDependencies-3.10/source/t/cpandeps-diff-script.t

-- 
David Cantrell