mirror of https://github.com/rwf2/Rocket.git
61 lines
1.7 KiB
Rust
61 lines
1.7 KiB
Rust
#![feature(proc_macro_hygiene)]
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#[macro_use] extern crate rocket;
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use std::sync::atomic::{AtomicUsize, Ordering};
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use rocket::State;
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use rocket::fairing::AdHoc;
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use rocket::http::Method;
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#[derive(Default)]
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struct Counter {
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attach: AtomicUsize,
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get: AtomicUsize,
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}
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#[get("/")]
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fn index(counter: State<'_, Counter>) -> String {
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let attaches = counter.attach.load(Ordering::Relaxed);
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let gets = counter.get.load(Ordering::Acquire);
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format!("{}, {}", attaches, gets)
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}
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fn rocket() -> rocket::Rocket {
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rocket::ignite()
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.mount("/", routes![index])
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.attach(AdHoc::on_attach("Outer", |rocket| {
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let counter = Counter::default();
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counter.attach.fetch_add(1, Ordering::Relaxed);
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let rocket = rocket.manage(counter)
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.attach(AdHoc::on_request("Inner", |req, _| {
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if req.method() == Method::Get {
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let counter = req.guard::<State<'_, Counter>>().unwrap();
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counter.get.fetch_add(1, Ordering::Release);
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}
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}));
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Ok(rocket)
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}))
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}
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mod nested_fairing_attaches_tests {
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use super::*;
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use rocket::local::Client;
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#[test]
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fn test_counts() {
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let client = Client::new(rocket()).unwrap();
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let mut response = client.get("/").dispatch();
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assert_eq!(response.body_string_wait(), Some("1, 1".into()));
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let mut response = client.get("/").dispatch();
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assert_eq!(response.body_string_wait(), Some("1, 2".into()));
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client.get("/").dispatch();
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client.get("/").dispatch();
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let mut response = client.get("/").dispatch();
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assert_eq!(response.body_string_wait(), Some("1, 5".into()));
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}
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}
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