Local changes to the config data from Mojolicious::Plugin::Config

gistfile1.pl

# symbol table voodoo to add the TestPlugin configuration. OMFG.
{
    no strict 'refs';
    no warnings 'redefine';

    # parse method backup
    my $parse = *Mojolicious::Plugin::Config::parse{CODE};

    # redefine configuration file parse method
    *{'Mojolicious::Plugin::Config::parse'} = sub {

        # parse with the original parse method
        my $config = $parse->(@_);

        # add/change configuration
        $config->{plugins}      = {test_plugin => {foo => 42}};
        $config->{articles_dir} = "$Bin/articles";
        $config->{pages_dir}    = "$Bin/pages";

        # return updated configuration
        return $config;
    };
} # end of symbol table voodoo