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|
mod support;
use support::server;
use std::io::Write;
use tokio::io::AsyncWriteExt;
use tokio::time::Duration;
#[tokio::test]
async fn gzip_response() {
gzip_case(10_000, 4096).await;
}
#[tokio::test]
async fn gzip_single_byte_chunks() {
gzip_case(10, 1).await;
}
#[tokio::test]
async fn test_gzip_empty_body() {
let server = server::http(move |req| async move {
assert_eq!(req.method(), "HEAD");
http::Response::builder()
.header("content-encoding", "gzip")
.body(Default::default())
.unwrap()
});
let client = reqwest::Client::new();
let res = client
.head(&format!("http://{}/gzip", server.addr()))
.send()
.await
.unwrap();
let body = res.text().await.unwrap();
assert_eq!(body, "");
}
#[tokio::test]
async fn test_accept_header_is_not_changed_if_set() {
let server = server::http(move |req| async move {
assert_eq!(req.headers()["accept"], "application/json");
assert!(req.headers()["accept-encoding"]
.to_str()
.unwrap()
.contains("gzip"));
http::Response::default()
});
let client = reqwest::Client::new();
let res = client
.get(&format!("http://{}/accept", server.addr()))
.header(
reqwest::header::ACCEPT,
reqwest::header::HeaderValue::from_static("application/json"),
)
.send()
.await
.unwrap();
assert_eq!(res.status(), reqwest::StatusCode::OK);
}
#[tokio::test]
async fn test_accept_encoding_header_is_not_changed_if_set() {
let server = server::http(move |req| async move {
assert_eq!(req.headers()["accept"], "*/*");
assert_eq!(req.headers()["accept-encoding"], "identity");
http::Response::default()
});
let client = reqwest::Client::new();
let res = client
.get(&format!("http://{}/accept-encoding", server.addr()))
.header(
reqwest::header::ACCEPT_ENCODING,
reqwest::header::HeaderValue::from_static("identity"),
)
.send()
.await
.unwrap();
assert_eq!(res.status(), reqwest::StatusCode::OK);
}
async fn gzip_case(response_size: usize, chunk_size: usize) {
use futures_util::stream::StreamExt;
let content: String = (0..response_size)
.into_iter()
.map(|i| format!("test {i}"))
.collect();
let mut encoder = flate2::write::GzEncoder::new(Vec::new(), flate2::Compression::default());
match encoder.write(content.as_bytes()) {
Ok(n) => assert!(n > 0, "Failed to write to encoder."),
_ => panic!("Failed to gzip encode string."),
};
let gzipped_content = encoder.finish().unwrap();
let mut response = format!(
"\
HTTP/1.1 200 OK\r\n\
Server: test-accept\r\n\
Content-Encoding: gzip\r\n\
Content-Length: {}\r\n\
\r\n",
&gzipped_content.len()
)
.into_bytes();
response.extend(&gzipped_content);
let server = server::http(move |req| {
assert!(req.headers()["accept-encoding"]
.to_str()
.unwrap()
.contains("gzip"));
let gzipped = gzipped_content.clone();
async move {
let len = gzipped.len();
let stream =
futures_util::stream::unfold((gzipped, 0), move |(gzipped, pos)| async move {
let chunk = gzipped.chunks(chunk_size).nth(pos)?.to_vec();
Some((chunk, (gzipped, pos + 1)))
});
let body = reqwest::Body::wrap_stream(stream.map(Ok::<_, std::convert::Infallible>));
http::Response::builder()
.header("content-encoding", "gzip")
.header("content-length", len)
.body(body)
.unwrap()
}
});
let client = reqwest::Client::new();
let res = client
.get(&format!("http://{}/gzip", server.addr()))
.send()
.await
.expect("response");
let body = res.text().await.expect("text");
assert_eq!(body, content);
}
const COMPRESSED_RESPONSE_HEADERS: &[u8] = b"HTTP/1.1 200 OK\x0d\x0a\
Content-Type: text/plain\x0d\x0a\
Connection: keep-alive\x0d\x0a\
Content-Encoding: gzip\x0d\x0a";
const RESPONSE_CONTENT: &str = "some message here";
fn gzip_compress(input: &[u8]) -> Vec<u8> {
let mut encoder = flate2::write::GzEncoder::new(Vec::new(), flate2::Compression::default());
match encoder.write(input) {
Ok(n) => assert!(n > 0, "Failed to write to encoder."),
_ => panic!("Failed to gzip encode string."),
};
encoder.finish().unwrap()
}
#[tokio::test]
async fn test_non_chunked_non_fragmented_response() {
let server = server::low_level_with_response(|_raw_request, client_socket| {
Box::new(async move {
let gzipped_content = gzip_compress(RESPONSE_CONTENT.as_bytes());
let content_length_header =
format!("Content-Length: {}\r\n\r\n", gzipped_content.len()).into_bytes();
let response = [
COMPRESSED_RESPONSE_HEADERS,
&content_length_header,
&gzipped_content,
]
.concat();
client_socket
.write_all(response.as_slice())
.await
.expect("response write_all failed");
client_socket.flush().await.expect("response flush failed");
})
});
let res = reqwest::Client::new()
.get(&format!("http://{}/", server.addr()))
.send()
.await
.expect("response");
assert_eq!(res.text().await.expect("text"), RESPONSE_CONTENT);
}
#[tokio::test]
async fn test_chunked_fragmented_response_1() {
const DELAY_BETWEEN_RESPONSE_PARTS: tokio::time::Duration =
tokio::time::Duration::from_millis(1000);
const DELAY_MARGIN: tokio::time::Duration = tokio::time::Duration::from_millis(50);
let server = server::low_level_with_response(|_raw_request, client_socket| {
Box::new(async move {
let gzipped_content = gzip_compress(RESPONSE_CONTENT.as_bytes());
let response_first_part = [
COMPRESSED_RESPONSE_HEADERS,
format!(
"Transfer-Encoding: chunked\r\n\r\n{:x}\r\n",
gzipped_content.len()
)
.as_bytes(),
&gzipped_content,
]
.concat();
let response_second_part = b"\r\n0\r\n\r\n";
client_socket
.write_all(response_first_part.as_slice())
.await
.expect("response_first_part write_all failed");
client_socket
.flush()
.await
.expect("response_first_part flush failed");
tokio::time::sleep(DELAY_BETWEEN_RESPONSE_PARTS).await;
client_socket
.write_all(response_second_part)
.await
.expect("response_second_part write_all failed");
client_socket
.flush()
.await
.expect("response_second_part flush failed");
})
});
let start = tokio::time::Instant::now();
let res = reqwest::Client::new()
.get(&format!("http://{}/", server.addr()))
.send()
.await
.expect("response");
assert_eq!(res.text().await.expect("text"), RESPONSE_CONTENT);
assert!(start.elapsed() >= DELAY_BETWEEN_RESPONSE_PARTS - DELAY_MARGIN);
}
#[tokio::test]
async fn test_chunked_fragmented_response_2() {
const DELAY_BETWEEN_RESPONSE_PARTS: tokio::time::Duration =
tokio::time::Duration::from_millis(1000);
const DELAY_MARGIN: tokio::time::Duration = tokio::time::Duration::from_millis(50);
let server = server::low_level_with_response(|_raw_request, client_socket| {
Box::new(async move {
let gzipped_content = gzip_compress(RESPONSE_CONTENT.as_bytes());
let response_first_part = [
COMPRESSED_RESPONSE_HEADERS,
format!(
"Transfer-Encoding: chunked\r\n\r\n{:x}\r\n",
gzipped_content.len()
)
.as_bytes(),
&gzipped_content,
b"\r\n",
]
.concat();
let response_second_part = b"0\r\n\r\n";
client_socket
.write_all(response_first_part.as_slice())
.await
.expect("response_first_part write_all failed");
client_socket
.flush()
.await
.expect("response_first_part flush failed");
tokio::time::sleep(DELAY_BETWEEN_RESPONSE_PARTS).await;
client_socket
.write_all(response_second_part)
.await
.expect("response_second_part write_all failed");
client_socket
.flush()
.await
.expect("response_second_part flush failed");
})
});
let start = tokio::time::Instant::now();
let res = reqwest::Client::new()
.get(&format!("http://{}/", server.addr()))
.send()
.await
.expect("response");
assert_eq!(res.text().await.expect("text"), RESPONSE_CONTENT);
assert!(start.elapsed() >= DELAY_BETWEEN_RESPONSE_PARTS - DELAY_MARGIN);
}
#[tokio::test]
async fn test_chunked_fragmented_response_with_extra_bytes() {
const DELAY_BETWEEN_RESPONSE_PARTS: tokio::time::Duration =
tokio::time::Duration::from_millis(1000);
const DELAY_MARGIN: tokio::time::Duration = tokio::time::Duration::from_millis(50);
let server = server::low_level_with_response(|_raw_request, client_socket| {
Box::new(async move {
let gzipped_content = gzip_compress(RESPONSE_CONTENT.as_bytes());
let response_first_part = [
COMPRESSED_RESPONSE_HEADERS,
format!(
"Transfer-Encoding: chunked\r\n\r\n{:x}\r\n",
gzipped_content.len()
)
.as_bytes(),
&gzipped_content,
]
.concat();
let response_second_part = b"\r\n2ab\r\n0\r\n\r\n";
client_socket
.write_all(response_first_part.as_slice())
.await
.expect("response_first_part write_all failed");
client_socket
.flush()
.await
.expect("response_first_part flush failed");
tokio::time::sleep(DELAY_BETWEEN_RESPONSE_PARTS).await;
client_socket
.write_all(response_second_part)
.await
.expect("response_second_part write_all failed");
client_socket
.flush()
.await
.expect("response_second_part flush failed");
})
});
let start = tokio::time::Instant::now();
let res = reqwest::Client::new()
.get(&format!("http://{}/", server.addr()))
.send()
.await
.expect("response");
let err = res.text().await.expect_err("there must be an error");
assert!(err.is_decode());
assert!(start.elapsed() >= DELAY_BETWEEN_RESPONSE_PARTS - DELAY_MARGIN);
}
|
