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mirror of https://github.com/fafhrd91/actix-web synced 2024-11-24 00:21:08 +01:00
actix-web/actix-http/tests/test_server.rs

849 lines
27 KiB
Rust

use std::{
convert::Infallible,
io::{Read, Write},
net, thread,
time::Duration,
};
use actix_http::{
body::{self, BodyStream, BoxBody, SizedStream},
header, Error, HttpService, KeepAlive, Request, Response, StatusCode,
};
use actix_http_test::test_server;
use actix_rt::time::sleep;
use actix_service::fn_service;
use actix_utils::future::{err, ok, ready};
use bytes::Bytes;
use derive_more::{Display, Error};
use futures_util::{
stream::{once, StreamExt as _},
FutureExt as _,
};
use regex::Regex;
#[actix_rt::test]
async fn test_h1() {
let mut srv = test_server(|| {
HttpService::build()
.keep_alive(KeepAlive::Disabled)
.client_timeout(1000)
.client_disconnect(1000)
.h1(|req: Request| {
assert!(req.peer_addr().is_some());
ok::<_, Infallible>(Response::ok())
})
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_2() {
let mut srv = test_server(|| {
HttpService::build()
.keep_alive(KeepAlive::Disabled)
.client_timeout(1000)
.client_disconnect(1000)
.finish(|req: Request| {
assert!(req.peer_addr().is_some());
assert_eq!(req.version(), http::Version::HTTP_11);
ok::<_, Infallible>(Response::ok())
})
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
srv.stop().await;
}
#[derive(Debug, Display, Error)]
#[display(fmt = "expect failed")]
struct ExpectFailed;
impl From<ExpectFailed> for Response<BoxBody> {
fn from(_: ExpectFailed) -> Self {
Response::new(StatusCode::EXPECTATION_FAILED)
}
}
#[actix_rt::test]
async fn test_expect_continue() {
let mut srv = test_server(|| {
HttpService::build()
.expect(fn_service(|req: Request| {
if req.head().uri.query() == Some("yes=") {
ok(req)
} else {
err(ExpectFailed)
}
}))
.finish(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test HTTP/1.1\r\nexpect: 100-continue\r\n\r\n");
let mut data = String::new();
let _ = stream.read_to_string(&mut data);
assert!(data.starts_with("HTTP/1.1 417 Expectation Failed\r\ncontent-length"));
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test?yes= HTTP/1.1\r\nexpect: 100-continue\r\n\r\n");
let mut data = String::new();
let _ = stream.read_to_string(&mut data);
assert!(data.starts_with("HTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 200 OK\r\n"));
srv.stop().await;
}
#[actix_rt::test]
async fn test_expect_continue_h1() {
let mut srv = test_server(|| {
HttpService::build()
.expect(fn_service(|req: Request| {
sleep(Duration::from_millis(20)).then(move |_| {
if req.head().uri.query() == Some("yes=") {
ok(req)
} else {
err(ExpectFailed)
}
})
}))
.h1(fn_service(|_| ok::<_, Infallible>(Response::ok())))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test HTTP/1.1\r\nexpect: 100-continue\r\n\r\n");
let mut data = String::new();
let _ = stream.read_to_string(&mut data);
assert!(data.starts_with("HTTP/1.1 417 Expectation Failed\r\ncontent-length"));
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test?yes= HTTP/1.1\r\nexpect: 100-continue\r\n\r\n");
let mut data = String::new();
let _ = stream.read_to_string(&mut data);
assert!(data.starts_with("HTTP/1.1 100 Continue\r\n\r\nHTTP/1.1 200 OK\r\n"));
srv.stop().await;
}
#[actix_rt::test]
async fn test_chunked_payload() {
let chunk_sizes = vec![32768, 32, 32768];
let total_size: usize = chunk_sizes.iter().sum();
let mut srv = test_server(|| {
HttpService::build()
.h1(fn_service(|mut request: Request| {
request
.take_payload()
.map(|res| match res {
Ok(pl) => pl,
Err(e) => panic!("Error reading payload: {}", e),
})
.fold(0usize, |acc, chunk| ready(acc + chunk.len()))
.map(|req_size| {
Ok::<_, Error>(
Response::ok().set_body(format!("size={}", req_size)),
)
})
}))
.tcp()
})
.await;
let returned_size = {
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream
.write_all(b"POST /test HTTP/1.1\r\nTransfer-Encoding: chunked\r\n\r\n");
for chunk_size in chunk_sizes.iter() {
let mut bytes = Vec::new();
let random_bytes: Vec<u8> =
(0..*chunk_size).map(|_| rand::random::<u8>()).collect();
bytes.extend(format!("{:X}\r\n", chunk_size).as_bytes());
bytes.extend(&random_bytes[..]);
bytes.extend(b"\r\n");
let _ = stream.write_all(&bytes);
}
let _ = stream.write_all(b"0\r\n\r\n");
stream.shutdown(net::Shutdown::Write).unwrap();
let mut data = String::new();
let _ = stream.read_to_string(&mut data);
let re = Regex::new(r"size=(\d+)").unwrap();
let size: usize = match re.captures(&data) {
Some(caps) => caps.get(1).unwrap().as_str().parse().unwrap(),
None => panic!("Failed to find size in HTTP Response: {}", data),
};
size
};
assert_eq!(returned_size, total_size);
srv.stop().await;
}
#[actix_rt::test]
async fn test_slow_request() {
let mut srv = test_server(|| {
HttpService::build()
.client_timeout(100)
.finish(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test/tests/test HTTP/1.1\r\n");
let mut data = String::new();
let _ = stream.read_to_string(&mut data);
assert!(data.starts_with("HTTP/1.1 408 Request Timeout"));
srv.stop().await;
}
#[actix_rt::test]
async fn test_http1_malformed_request() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test/tests/test HTTP1.1\r\n");
let mut data = String::new();
let _ = stream.read_to_string(&mut data);
assert!(data.starts_with("HTTP/1.1 400 Bad Request"));
srv.stop().await;
}
#[actix_rt::test]
async fn test_http1_keepalive() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test/tests/test HTTP/1.1\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.1 200 OK\r\n");
let _ = stream.write_all(b"GET /test/tests/test HTTP/1.1\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.1 200 OK\r\n");
srv.stop().await;
}
#[actix_rt::test]
async fn test_http1_keepalive_timeout() {
let mut srv = test_server(|| {
HttpService::build()
.keep_alive(1)
.h1(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test/tests/test HTTP/1.1\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.1 200 OK\r\n");
thread::sleep(Duration::from_millis(1100));
let mut data = vec![0; 1024];
let res = stream.read(&mut data).unwrap();
assert_eq!(res, 0);
srv.stop().await;
}
#[actix_rt::test]
async fn test_http1_keepalive_close() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ =
stream.write_all(b"GET /test/tests/test HTTP/1.1\r\nconnection: close\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.1 200 OK\r\n");
let mut data = vec![0; 1024];
let res = stream.read(&mut data).unwrap();
assert_eq!(res, 0);
srv.stop().await;
}
#[actix_rt::test]
async fn test_http10_keepalive_default_close() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test/tests/test HTTP/1.0\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.0 200 OK\r\n");
let mut data = vec![0; 1024];
let res = stream.read(&mut data).unwrap();
assert_eq!(res, 0);
srv.stop().await;
}
#[actix_rt::test]
async fn test_http10_keepalive() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream
.write_all(b"GET /test/tests/test HTTP/1.0\r\nconnection: keep-alive\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.0 200 OK\r\n");
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test/tests/test HTTP/1.0\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.0 200 OK\r\n");
let mut data = vec![0; 1024];
let res = stream.read(&mut data).unwrap();
assert_eq!(res, 0);
srv.stop().await;
}
#[actix_rt::test]
async fn test_http1_keepalive_disabled() {
let mut srv = test_server(|| {
HttpService::build()
.keep_alive(KeepAlive::Disabled)
.h1(|_| ok::<_, Infallible>(Response::ok()))
.tcp()
})
.await;
let mut stream = net::TcpStream::connect(srv.addr()).unwrap();
let _ = stream.write_all(b"GET /test/tests/test HTTP/1.1\r\n\r\n");
let mut data = vec![0; 1024];
let _ = stream.read(&mut data);
assert_eq!(&data[..17], b"HTTP/1.1 200 OK\r\n");
let mut data = vec![0; 1024];
let res = stream.read(&mut data).unwrap();
assert_eq!(res, 0);
srv.stop().await;
}
#[actix_rt::test]
async fn test_content_length() {
use actix_http::{
header::{HeaderName, HeaderValue},
StatusCode,
};
let mut srv = test_server(|| {
HttpService::build()
.h1(|req: Request| {
let indx: usize = req.uri().path()[1..].parse().unwrap();
let statuses = [
StatusCode::NO_CONTENT,
StatusCode::CONTINUE,
StatusCode::SWITCHING_PROTOCOLS,
StatusCode::PROCESSING,
StatusCode::OK,
StatusCode::NOT_FOUND,
];
ok::<_, Infallible>(Response::new(statuses[indx]))
})
.tcp()
})
.await;
let header = HeaderName::from_static("content-length");
let value = HeaderValue::from_static("0");
{
for i in 0..4 {
let req = srv.request(http::Method::GET, srv.url(&format!("/{}", i)));
let response = req.send().await.unwrap();
assert_eq!(response.headers().get(&header), None);
let req = srv.request(http::Method::HEAD, srv.url(&format!("/{}", i)));
let response = req.send().await.unwrap();
assert_eq!(response.headers().get(&header), None);
}
for i in 4..6 {
let req = srv.request(http::Method::GET, srv.url(&format!("/{}", i)));
let response = req.send().await.unwrap();
assert_eq!(response.headers().get(&header), Some(&value));
}
}
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_headers() {
let data = STR.repeat(10);
let data2 = data.clone();
let mut srv = test_server(move || {
let data = data.clone();
HttpService::build().h1(move |_| {
let mut builder = Response::build(StatusCode::OK);
for idx in 0..90 {
builder.insert_header((
format!("X-TEST-{}", idx).as_str(),
"TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST \
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST ",
));
}
ok::<_, Infallible>(builder.body(data.clone()))
}).tcp()
}).await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
// read response
let bytes = srv.load_body(response).await.unwrap();
assert_eq!(bytes, Bytes::from(data2));
srv.stop().await;
}
const STR: &str = "Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World \
Hello World Hello World Hello World Hello World Hello World";
#[actix_rt::test]
async fn test_h1_body() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok().set_body(STR)))
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
// read response
let bytes = srv.load_body(response).await.unwrap();
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_head_empty() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok().set_body(STR)))
.tcp()
})
.await;
let response = srv.head("/").send().await.unwrap();
assert!(response.status().is_success());
{
let len = response
.headers()
.get(http::header::CONTENT_LENGTH)
.unwrap();
assert_eq!(format!("{}", STR.len()), len.to_str().unwrap());
}
// read response
let bytes = srv.load_body(response).await.unwrap();
assert!(bytes.is_empty());
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_head_binary() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok().set_body(STR)))
.tcp()
})
.await;
let response = srv.head("/").send().await.unwrap();
assert!(response.status().is_success());
{
let len = response
.headers()
.get(http::header::CONTENT_LENGTH)
.unwrap();
assert_eq!(format!("{}", STR.len()), len.to_str().unwrap());
}
// read response
let bytes = srv.load_body(response).await.unwrap();
assert!(bytes.is_empty());
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_head_binary2() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| ok::<_, Infallible>(Response::ok().set_body(STR)))
.tcp()
})
.await;
let response = srv.head("/").send().await.unwrap();
assert!(response.status().is_success());
{
let len = response
.headers()
.get(http::header::CONTENT_LENGTH)
.unwrap();
assert_eq!(format!("{}", STR.len()), len.to_str().unwrap());
}
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_body_length() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| {
let body = once(ok::<_, Infallible>(Bytes::from_static(STR.as_ref())));
ok::<_, Infallible>(
Response::ok().set_body(SizedStream::new(STR.len() as u64, body)),
)
})
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
// read response
let bytes = srv.load_body(response).await.unwrap();
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_body_chunked_explicit() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| {
let body = once(ok::<_, Error>(Bytes::from_static(STR.as_ref())));
ok::<_, Infallible>(
Response::build(StatusCode::OK)
.insert_header((header::TRANSFER_ENCODING, "chunked"))
.body(BodyStream::new(body)),
)
})
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
assert_eq!(
response
.headers()
.get(header::TRANSFER_ENCODING)
.unwrap()
.to_str()
.unwrap(),
"chunked"
);
// read response
let bytes = srv.load_body(response).await.unwrap();
// decode
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_body_chunked_implicit() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| {
let body = once(ok::<_, Error>(Bytes::from_static(STR.as_ref())));
ok::<_, Infallible>(
Response::build(StatusCode::OK).body(BodyStream::new(body)),
)
})
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
assert_eq!(
response
.headers()
.get(header::TRANSFER_ENCODING)
.unwrap()
.to_str()
.unwrap(),
"chunked"
);
// read response
let bytes = srv.load_body(response).await.unwrap();
assert_eq!(bytes, Bytes::from_static(STR.as_ref()));
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_response_http_error_handling() {
let mut srv = test_server(|| {
HttpService::build()
.h1(fn_service(|_| {
let broken_header = Bytes::from_static(b"\0\0\0");
ok::<_, Infallible>(
Response::build(StatusCode::OK)
.insert_header((http::header::CONTENT_TYPE, broken_header))
.body(STR),
)
}))
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert_eq!(response.status(), http::StatusCode::INTERNAL_SERVER_ERROR);
// read response
let bytes = srv.load_body(response).await.unwrap();
assert_eq!(
bytes,
Bytes::from_static(b"error processing HTTP: failed to parse header value")
);
srv.stop().await;
}
#[derive(Debug, Display, Error)]
#[display(fmt = "error")]
struct BadRequest;
impl From<BadRequest> for Response<BoxBody> {
fn from(_: BadRequest) -> Self {
Response::bad_request().set_body(BoxBody::new("error"))
}
}
#[actix_rt::test]
async fn test_h1_service_error() {
let mut srv = test_server(|| {
HttpService::build()
.h1(|_| err::<Response<()>, _>(BadRequest))
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert_eq!(response.status(), http::StatusCode::BAD_REQUEST);
// read response
let bytes = srv.load_body(response).await.unwrap();
assert_eq!(bytes, Bytes::from_static(b"error"));
srv.stop().await;
}
#[actix_rt::test]
async fn test_h1_on_connect() {
let mut srv = test_server(|| {
HttpService::build()
.on_connect_ext(|_, data| {
data.insert(20isize);
})
.h1(|req: Request| {
assert!(req.conn_data::<isize>().is_some());
ok::<_, Infallible>(Response::ok())
})
.tcp()
})
.await;
let response = srv.get("/").send().await.unwrap();
assert!(response.status().is_success());
srv.stop().await;
}
/// Tests compliance with 304 Not Modified spec in RFC 7232 §4.1.
/// https://datatracker.ietf.org/doc/html/rfc7232#section-4.1
#[actix_rt::test]
async fn test_not_modified_spec_h1() {
// TODO: this test needing a few seconds to complete reveals some weirdness with either the
// dispatcher or the client, though similar hangs occur on other tests in this file, only
// succeeding, it seems, because of the keepalive timer
static CL: header::HeaderName = header::CONTENT_LENGTH;
let mut srv = test_server(|| {
HttpService::build()
.h1(|req: Request| {
let res: Response<BoxBody> = match req.path() {
// with no content-length
"/none" => {
Response::with_body(StatusCode::NOT_MODIFIED, body::None::new())
.map_into_boxed_body()
}
// with no content-length
"/body" => Response::with_body(StatusCode::NOT_MODIFIED, "1234")
.map_into_boxed_body(),
// with manual content-length header and specific None body
"/cl-none" => {
let mut res = Response::with_body(
StatusCode::NOT_MODIFIED,
body::None::new(),
);
res.headers_mut()
.insert(CL.clone(), header::HeaderValue::from_static("24"));
res.map_into_boxed_body()
}
// with manual content-length header and ignore-able body
"/cl-body" => {
let mut res =
Response::with_body(StatusCode::NOT_MODIFIED, "1234");
res.headers_mut()
.insert(CL.clone(), header::HeaderValue::from_static("4"));
res.map_into_boxed_body()
}
_ => panic!("unknown route"),
};
ok::<_, Infallible>(res)
})
.tcp()
})
.await;
let res = srv.get("/none").send().await.unwrap();
assert_eq!(res.status(), http::StatusCode::NOT_MODIFIED);
assert_eq!(res.headers().get(&CL), None);
assert!(srv.load_body(res).await.unwrap().is_empty());
let res = srv.get("/body").send().await.unwrap();
assert_eq!(res.status(), http::StatusCode::NOT_MODIFIED);
assert_eq!(res.headers().get(&CL), None);
assert!(srv.load_body(res).await.unwrap().is_empty());
let res = srv.get("/cl-none").send().await.unwrap();
assert_eq!(res.status(), http::StatusCode::NOT_MODIFIED);
assert_eq!(
res.headers().get(&CL),
Some(&header::HeaderValue::from_static("24")),
);
assert!(srv.load_body(res).await.unwrap().is_empty());
let res = srv.get("/cl-body").send().await.unwrap();
assert_eq!(res.status(), http::StatusCode::NOT_MODIFIED);
assert_eq!(
res.headers().get(&CL),
Some(&header::HeaderValue::from_static("4")),
);
// server does not prevent payload from being sent but clients may choose not to read it
// TODO: this is probably a bug, especially since CL header can differ in length from the body
assert!(!srv.load_body(res).await.unwrap().is_empty());
// TODO: add stream response tests
srv.stop().await;
}