just poc

sample.t

use strict;
use warnings;
use MyApp;
use Test::JSON::RPC::Autodoc;

my $psgi = MyApp->new();
my $test = Test::JSON::RPC::Autodoc->new({
    document_root => '/docs',
    app => $psgi->to_app()
});

my $rpc_req = $test->new_request();
$rpc_req->params(
    name => { type => 'Str', required => 1, documentation => 'Name of you.' },
    age => { type => 'Int', documentation => 'Age of you.' }
);
$rpc_req->post_ok( '/', 'some_method', { name => 'yusuke', age => 32 } );
my $res = $rpc_req->response();
my $data = $res->from_json();
is $data->{result}{your_name}, 'yusuke';

$rpc_req->write('sample.md');