The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
use Test::More;
use strict;
use warnings;
use Plack::Test;
use HTTP::Request::Common;
use Capture::Tiny 'capture_stderr';

{
    package App;
    use Dancer2;

    set logger => 'console';

    hook 'before' => sub {
        die 'test die inside a before hook';
        print STDERR "error message not caught in the before hook\n";
    };

    get '/' => sub {
        print STDERR "error message not caught in the route handler\n";
    };
}

my $app = App->to_app;
is( ref $app, 'CODE', 'Got app' );

test_psgi $app, sub {
    my $cb      = shift;
    my $message = capture_stderr { $cb->( GET '/' ) };

    like
        $message,
        qr/test die inside a before hook/,
        'Got error message when a before hook dies';
};

done_testing;