347 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			347 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			Rust
		
	
	
	
	
	
pub extern crate futures;
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pub extern crate hyper;
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pub extern crate tokio;
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pub use std::net::SocketAddr;
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pub use self::futures::{future, Future, Stream};
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pub use self::futures::sync::oneshot;
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pub use self::hyper::{HeaderMap, StatusCode};
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pub use self::tokio::runtime::current_thread::Runtime;
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macro_rules! t {
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    (
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        $name:ident,
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        parallel: $range:expr
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    ) => (
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        #[test]
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        fn $name() {
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            let mut c = vec![];
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            let mut s = vec![];
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            for _i in $range {
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                c.push((
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                    __CReq {
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                        uri: "/",
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                        body: vec![b'x'; 8192],
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                        ..Default::default()
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                    },
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                    __CRes {
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                        body: vec![b'x'; 8192],
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                        ..Default::default()
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                    },
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                ));
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                s.push((
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                    __SReq {
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                        uri: "/",
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                        body: vec![b'x'; 8192],
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                        ..Default::default()
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                    },
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                    __SRes {
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                        body: vec![b'x'; 8192],
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                        ..Default::default()
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                    },
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                ));
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            }
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            __run_test(__TestConfig {
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                client_version: 2,
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                client_msgs: c,
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                server_version: 2,
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                server_msgs: s,
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                parallel: true,
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                connections: 1,
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            });
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        }
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    );
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    (
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        $name:ident,
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        client: $(
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            request: $(
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                $c_req_prop:ident: $c_req_val:tt,
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            )*;
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            response: $(
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                $c_res_prop:ident: $c_res_val:tt,
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            )*;
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        )*
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        server: $(
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            request: $(
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                $s_req_prop:ident: $s_req_val:tt,
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            )*;
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            response: $(
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                $s_res_prop:ident: $s_res_val:tt,
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            )*;
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        )*
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    ) => (
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        #[test]
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        fn $name() {
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            let c = vec![$((
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                __CReq {
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                    $($c_req_prop: __internal_req_res_prop!($c_req_prop: $c_req_val),)*
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                    ..Default::default()
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                },
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                __CRes {
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                    $($c_res_prop: __internal_req_res_prop!($c_res_prop: $c_res_val),)*
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                    ..Default::default()
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                }
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            ),)*];
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            let s = vec![$((
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                __SReq {
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                    $($s_req_prop: __internal_req_res_prop!($s_req_prop: $s_req_val),)*
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                    ..Default::default()
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                },
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                __SRes {
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                    $($s_res_prop: __internal_req_res_prop!($s_res_prop: $s_res_val),)*
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                    ..Default::default()
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                }
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            ),)*];
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            __run_test(__TestConfig {
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                client_version: 1,
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                client_msgs: c.clone(),
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                server_version: 1,
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                server_msgs: s.clone(),
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                parallel: false,
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                connections: 1,
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            });
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            __run_test(__TestConfig {
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                client_version: 2,
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                client_msgs: c,
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                server_version: 2,
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                server_msgs: s,
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                parallel: false,
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                connections: 1,
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            });
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        }
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    );
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}
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macro_rules! __internal_req_res_prop {
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    (method: $prop_val:expr) => (
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        $prop_val
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    );
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    (status: $prop_val:expr) => (
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        StatusCode::from_u16($prop_val).expect("status code")
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    );
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    (headers: $map:tt) => ({
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        #[allow(unused_mut)]
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        {
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        let mut headers = HeaderMap::new();
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        __internal_headers!(headers, $map);
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        headers
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        }
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    });
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    ($prop_name:ident: $prop_val:expr) => (
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        From::from($prop_val)
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    )
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}
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macro_rules! __internal_headers {
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    ($headers:ident, { $($name:expr => $val:expr,)* }) => {
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        $(
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        $headers.insert($name, $val.to_string().parse().expect("header value"));
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        )*
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    }
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}
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#[derive(Clone, Debug, Default)]
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pub struct __CReq {
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    pub method: &'static str,
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    pub uri: &'static str,
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    pub headers: HeaderMap,
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    pub body: Vec<u8>,
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}
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#[derive(Clone, Debug, Default)]
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pub struct __CRes {
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    pub status: hyper::StatusCode,
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    pub body: Vec<u8>,
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    pub headers: HeaderMap,
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}
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#[derive(Clone, Debug, Default)]
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pub struct __SReq {
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    pub method: &'static str,
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    pub uri: &'static str,
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    pub headers: HeaderMap,
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    pub body: Vec<u8>,
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}
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#[derive(Clone, Debug, Default)]
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pub struct __SRes {
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    pub status: hyper::StatusCode,
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    pub body: Vec<u8>,
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    pub headers: HeaderMap,
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}
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pub struct __TestConfig {
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    pub client_version: usize,
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    pub client_msgs: Vec<(__CReq, __CRes)>,
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    pub server_version: usize,
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    pub server_msgs: Vec<(__SReq, __SRes)>,
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    pub parallel: bool,
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    pub connections: usize,
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}
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pub fn __run_test(cfg: __TestConfig) {
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    extern crate pretty_env_logger;
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    use hyper::{Body, Client, Request, Response, Version};
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    use hyper::client::HttpConnector;
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    use std::sync::{Arc, Mutex};
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    use std::time::Duration;
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    let _ = pretty_env_logger::try_init();
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    let mut rt = Runtime::new().expect("new rt");
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    assert_eq!(cfg.client_version, cfg.server_version);
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    let version = if cfg.client_version == 2 {
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        Version::HTTP_2
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    } else {
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        Version::HTTP_11
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    };
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    let connector = HttpConnector::new(1);
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    let client = Client::builder()
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        .keep_alive_timeout(Duration::from_secs(10))
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        .http2_only(cfg.client_version == 2)
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        .build::<_, Body>(connector);
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    let serve_handles = Arc::new(Mutex::new(
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        cfg.server_msgs
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    ));
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    let new_service = move || {
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        // Move a clone into the service_fn
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        let serve_handles = serve_handles.clone();
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        hyper::service::service_fn(move |req: Request<Body>| {
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            let (sreq, sres) = serve_handles.lock()
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                .unwrap()
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                .remove(0);
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            assert_eq!(req.uri().path(), sreq.uri);
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            assert_eq!(req.method(), &sreq.method);
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            assert_eq!(req.version(), version);
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            for (name, value) in &sreq.headers {
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                assert_eq!(
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                    req.headers()[name],
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                    value
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                );
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            }
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            let sbody = sreq.body;
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            req.into_body()
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                .concat2()
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                .map(move |body| {
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                    assert_eq!(body.as_ref(), sbody.as_slice());
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                    let mut res = Response::builder()
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                        .status(sres.status)
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                        .body(Body::from(sres.body))
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                        .expect("Response::build");
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                    *res.headers_mut() = sres.headers;
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                    res
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                })
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        })
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    };
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    let serve = hyper::server::conn::Http::new()
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        .http2_only(cfg.server_version == 2)
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        .serve_addr(
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            &SocketAddr::from(([127, 0, 0, 1], 0)),
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            new_service,
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        )
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        .expect("serve_addr");
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    let addr = serve.incoming_ref().local_addr();
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    let (shutdown_tx, shutdown_rx) = oneshot::channel();
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    let (success_tx, success_rx) = oneshot::channel();
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    let expected_connections = cfg.connections;
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    let server = serve
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        .fold(0, move |cnt, connecting| {
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            let fut = connecting
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                .map_err(|never| -> hyper::Error { match never {} })
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                .flatten()
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                .map_err(|e| panic!("server connection error: {}", e));
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            ::tokio::spawn(fut);
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            Ok::<_, hyper::Error>(cnt + 1)
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        })
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        .map(move |cnt| {
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            assert_eq!(cnt, expected_connections);
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        })
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        .map_err(|e| panic!("serve error: {}", e))
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        .select2(shutdown_rx)
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        .map(move |_| {
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            let _ = success_tx.send(());
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        })
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        .map_err(|_| panic!("shutdown not ok"));
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    rt.spawn(server);
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    let make_request = Arc::new(move |client: &Client<HttpConnector>, creq: __CReq, cres: __CRes| {
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        let uri = format!("http://{}{}", addr, creq.uri);
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        let mut req = Request::builder()
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            .method(creq.method)
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            .uri(uri)
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            //.headers(creq.headers)
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            .body(creq.body.into())
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            .expect("Request::build");
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        *req.headers_mut() = creq.headers;
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        let cstatus = cres.status;
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        let cheaders = cres.headers;
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        let cbody = cres.body;
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        client.request(req)
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            .and_then(move |res| {
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                assert_eq!(res.status(), cstatus);
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                assert_eq!(res.version(), version);
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                for (name, value) in &cheaders {
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                    assert_eq!(
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                        res.headers()[name],
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                        value
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                    );
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                }
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                res.into_body().concat2()
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            })
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            .map(move |body| {
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                assert_eq!(body.as_ref(), cbody.as_slice());
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            })
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            .map_err(|e| panic!("client error: {}", e))
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    });
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    let client_futures: Box<Future<Item=(), Error=()> + Send> = if cfg.parallel {
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        let mut client_futures = vec![];
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        for (creq, cres) in cfg.client_msgs {
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            client_futures.push(make_request(&client, creq, cres));
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        }
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        drop(client);
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        Box::new(future::join_all(client_futures).map(|_| ()))
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    } else {
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        let mut client_futures: Box<Future<Item=Client<HttpConnector>, Error=()> + Send> =
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            Box::new(future::ok(client));
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        for (creq, cres) in cfg.client_msgs {
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            let mk_request = make_request.clone();
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            client_futures = Box::new(
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                client_futures
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                .and_then(move |client| {
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                    let fut = mk_request(&client, creq, cres);
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                    fut.map(move |()| client)
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                })
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            );
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        }
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        Box::new(client_futures.map(|_| ()))
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    };
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    let client_futures = client_futures.map(move |_| {
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        let _ = shutdown_tx.send(());
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    });
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    rt.spawn(client_futures);
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    rt.block_on(success_rx
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        .map_err(|_| "something panicked"))
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        .expect("shutdown succeeded");
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}
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