test: add basic parallel unit tests (#17)
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@ -25,7 +25,12 @@ hyper-tls = { version = "0.5", optional = true }
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[dev-dependencies]
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tokio = { version = "1", features = ["full"] }
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futures = "0.3"
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async-trait = "0.1"
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tokio-test = "0.4.2"
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test-context = "0.1.3"
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tokiotest-httpserver = "0.2.0"
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[features]
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https = ["hyper-tls"]
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default = ["https"]
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default = ["https"]
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82
tests/test_http.rs
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82
tests/test_http.rs
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@ -0,0 +1,82 @@
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use tokio::sync::oneshot::Sender;
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use tokio::task::JoinHandle;
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use hyper::service::{make_service_fn, service_fn};
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use hyper::server::conn::AddrStream;
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use std::convert::Infallible;
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use hyper::{Uri, Client, Request, Body, Server, Response, StatusCode};
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use tokiotest_httpserver::{HttpTestContext, take_port};
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use test_context::AsyncTestContext;
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use test_context::test_context;
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use std::net::{IpAddr, SocketAddr};
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use tokiotest_httpserver::handler::HandlerBuilder;
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struct ProxyTestContext {
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sender: Sender<()>,
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proxy_handler: JoinHandle<Result<(), hyper::Error>>,
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http_back: HttpTestContext,
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port: u16
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}
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#[test_context(ProxyTestContext)]
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#[tokio::test]
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async fn test_get_error_500(ctx: &mut ProxyTestContext) {
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let resp = Client::new().get(ctx.uri("/500")).await.unwrap();
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assert_eq!(500, resp.status());
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}
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#[test_context(ProxyTestContext)]
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#[tokio::test]
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async fn test_get(ctx: &mut ProxyTestContext) {
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ctx.http_back.add(HandlerBuilder::new("/foo").status_code(StatusCode::OK).build());
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let resp = Client::new().get(ctx.uri("/foo")).await.unwrap();
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assert_eq!(200, resp.status());
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}
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async fn handle(client_ip: IpAddr, req: Request<Body>, backend_port: u16) -> Result<Response<Body>, Infallible> {
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match hyper_reverse_proxy::call(client_ip,
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format!("http://127.0.0.1:{}", backend_port).as_str(),
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req).await {
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Ok(response) => {Ok(response)}
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Err(_) => {Ok(Response::builder()
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.status(502)
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.body(Body::empty())
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.unwrap())}
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}
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}
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#[async_trait::async_trait]
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impl AsyncTestContext for ProxyTestContext {
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async fn setup() -> ProxyTestContext {
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let http_back: HttpTestContext = AsyncTestContext::setup().await;
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let (sender, receiver) = tokio::sync::oneshot::channel::<()>();
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let bp_to_move = http_back.port;
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let make_svc = make_service_fn(move |conn: &AddrStream| {
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let remote_addr = conn.remote_addr().ip();
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let back_port = bp_to_move;
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async move {
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Ok::<_, Infallible>(service_fn(move |req| handle(remote_addr, req, back_port)))
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}
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});
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let port = take_port();
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let addr = SocketAddr::new("127.0.0.1".parse().unwrap(), port);
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let server = Server::bind(&addr).serve(make_svc).with_graceful_shutdown(async { receiver.await.ok(); });
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let proxy_handler = tokio::spawn(server);
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ProxyTestContext {
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sender,
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proxy_handler,
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http_back,
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port
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}
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}
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async fn teardown(self) {
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let _ = AsyncTestContext::teardown(self.http_back);
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let _ = self.sender.send(()).unwrap();
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let _ = tokio::join!(self.proxy_handler);
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}
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}
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impl ProxyTestContext {
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pub fn uri(&self, path: &str) -> Uri {
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format!("http://{}:{}{}", "localhost", self.port, path).parse::<Uri>().unwrap()
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}
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}
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