Rocket/core/codegen/tests/route-ranking.rs

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#![feature(proc_macro_hygiene)]
#[macro_use] extern crate rocket;
use rocket::local::Client;
// Test that manual/auto ranking works as expected.
#[get("/<_number>")]
fn get0(_number: u8) -> &'static str { "0" }
#[get("/<_number>", rank = 1)]
fn get1(_number: u16) -> &'static str { "1" }
#[get("/<_number>", rank = 2)]
fn get2(_number: u32) -> &'static str { "2" }
#[get("/<_number>", rank = 3)]
fn get3(_number: u64) -> &'static str { "3" }
#[rocket::async_test]
async fn test_ranking() {
let rocket = rocket::ignite().mount("/", routes![get0, get1, get2, get3]);
let client = Client::new(rocket).unwrap();
let mut response = client.get("/0").dispatch().await;
assert_eq!(response.body_string().await.unwrap(), "0");
let mut response = client.get(format!("/{}", 1 << 8)).dispatch().await;
assert_eq!(response.body_string().await.unwrap(), "1");
let mut response = client.get(format!("/{}", 1 << 16)).dispatch().await;
assert_eq!(response.body_string().await.unwrap(), "2");
let mut response = client.get(format!("/{}", 1u64 << 32)).dispatch().await;
assert_eq!(response.body_string().await.unwrap(), "3");
}
// Test a collision due to same auto rank.
#[get("/<_n>")]
fn get0b(_n: u8) { }
#[test]
fn test_rank_collision() {
use rocket::error::LaunchErrorKind;
let rocket = rocket::ignite().mount("/", routes![get0, get0b]);
let client_result = Client::new(rocket);
match client_result.as_ref().map_err(|e| e.kind()) {
Err(LaunchErrorKind::Collision(..)) => { /* o.k. */ },
Ok(_) => panic!("client succeeded unexpectedly"),
Err(e) => panic!("expected collision, got {}", e)
}
}