STEVAN / Web-Machine-0.04 / t / 600-yapc-talk-examples / 130-tracing-header.t 
#!/usr/bin/perl

use strict;
use warnings;
use FindBin;

use Test::More;
use Test::Fatal;

use Plack::Test;
use Plack::Util;

use HTTP::Request::Common;

BEGIN {
    eval "use Path::Class;";
    if ( $@ ) {
        pass('Path::Class is required for this test');
        done_testing;
        exit;
    }
}

my $dir = file(__FILE__)->parent->parent->parent->subdir('examples')->subdir('yapc-talk-examples');

test_psgi
    Plack::Util::load_psgi( $dir->file('130-tracing-header.psgi')->stringify ),
    sub {
        my $cb  = shift;

        {
            my $res = $cb->(GET "/" => ('Accept' => 'text/html'));
            is($res->code, 200, '... got the expected status');
            is($res->header('Content-Type'), 'text/html', '... got the expected Content-Type header');
            is($res->header('Content-Length'), 46, '... got the expected Content-Length header');
            is(
                $res->header('X-Web-Machine-Trace'),
                'b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,c3,c4,d4,e5,f6,g7,g8,h10,i12,l13,m16,n16,o16,o18,o18b',
                '... got the tracing header we expected'
            );
            is(
                $res->content,
                '<html><body><h1>Hello World</h1></body></html>',
                '... got the expected content'
            );
        }
    };

done_testing;