Hyper issue #754

Cargo.toml

[package]
name = "client"
version = "0.1.0"
authors = ["Peter Sergey Panov <peter@sipan.org>", "Michael Killough <michaeljkillough@gmail.com>"]

[[bin]]
name = "mock_client"
path = "main.rs"

[dependencies]
futures = "*"
tokio-core = "*"

[dependencies.hyper]
git = "https://github.com/hyperium/hyper"

main.rs

extern crate futures;
extern crate hyper;
extern crate tokio_core;

use std::io::{self, Write};

use futures::Future;
use futures::stream::Stream;

use hyper::Client;

fn main() {
    let mut core = tokio_core::reactor::Core::new().unwrap();
    let handle = core.handle();
    let client = Client::new(&handle);

    let url = hyper::Url::parse("http://127.0.0.1:6667/").unwrap();
    let work = client.get(url).and_then(|res| {
        println!("Response: {}", res.status());
        println!("Headers: \n{}", res.headers());

        println!("get_raw('set-cookie') -> {:?}", res.headers().get_raw("set-cookie").unwrap());
        println!("for hv in iter():");
        for hv in res.headers().iter() {
            println!("hv.to_string() -> {}", hv.to_string());
        }

        res.body().for_each(|chunk| {
            io::stdout().write_all(&chunk).map_err(From::from)
        })
    }).map(|_| {
        println!("\n\nDone.");
    });

    core.run(work).unwrap();
}

mock_server.py

#!/usr/bin/python2.7

import cherrypy

def multi_headers():
    cherrypy.response.header_list.extend(
        cherrypy.response.headers.encode_header_items(
            cherrypy.response.multiheaders))

cherrypy.tools.multiheaders = cherrypy.Tool('on_end_resource', multi_headers)

TEXT = 'text/plain; charset=ISO-8859-1'

PORT = 6667

class MockServer(object):
    exposed = True
    
    @cherrypy.expose
    @cherrypy.tools.multiheaders()
    def default(self, *args, **params):
        cherrypy.response.headers['Content-Type'] = TEXT
        if len(args) == 0:
            cherrypy.response.status = 302
            cherrypy.response.multiheaders = [
                ('Set-Cookie', "foo"), ('Set-Cookie', "bar"), ('Location', 'http://localhost:6667/ex')
            ]
        else:
            cherrypy.response.multiheaders = []
        return ""

if __name__ == "__main__":    
    conf = {
        'global': {
            'server.socket_port':PORT,
        },
    }
    staticconf = { 
        'global': {
            'server.socket_port':PORT,
        },
    }
    cherrypy.config.update(conf)
    cherrypy.tree.mount(MockServer(),'/',conf)
    cherrypy.engine.start()
    cherrypy.engine.block()

Output

Response: 302 Found
Headers: 
Content-Type: text/plain;charset=utf-8
Server: CherryPy/10.2.1
Date: Sat, 18 Mar 2017 07:28:20 GMT
Content-Length: 0
Set-Cookie: foo
Set-Cookie: bar
Location: http://localhost:6667/ex

get_raw('set-cookie') -> [Shared([102, 111, 111]), Shared([98, 97, 114])]
for hv in iter():
hv.to_string() -> Content-Type: text/plain;charset=utf-8

hv.to_string() -> Server: CherryPy/10.2.1

hv.to_string() -> Date: Sat, 18 Mar 2017 07:28:20 GMT

hv.to_string() -> Content-Length: 0

hv.to_string() -> Set-Cookie: foo
Set-Cookie: bar

hv.to_string() -> Location: http://localhost:6667/ex



Done.