libplack-middleware-test-stashwarnings-perl - 0.08-2 main

Plack::Middleware::Test::StashWarnings is a Plack middleware component to
record warnings generated by your application so that you can test them to
make sure your application complains about the right things.
.
The warnings generated by your application are available at a special URL
(/__test_warnings), encoded with Storable/nfreeze. So using
Test::WWW::Mechanize you can just get that URL and Storable/thaw its content.