mirror of https://github.com/rwf2/Rocket.git
67 lines
1.6 KiB
Rust
67 lines
1.6 KiB
Rust
#![feature(plugin)]
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#![plugin(rocket_codegen)]
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extern crate rocket;
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use std::fmt;
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use rocket::request::{self, Request, FromRequest};
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use rocket::outcome::Outcome::*;
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#[derive(Debug)]
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struct HeaderCount(usize);
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impl fmt::Display for HeaderCount {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}", self.0)
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}
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}
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impl<'a, 'r> FromRequest<'a, 'r> for HeaderCount {
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type Error = ();
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fn from_request(request: &'a Request<'r>) -> request::Outcome<Self, ()> {
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Success(HeaderCount(request.headers().len()))
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}
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}
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#[get("/")]
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fn header_count(header_count: HeaderCount) -> String {
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format!("Your request contained {} headers!", header_count)
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}
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fn rocket() -> rocket::Rocket {
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rocket::ignite().mount("/", routes![header_count])
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}
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fn main() {
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rocket().launch();
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}
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#[cfg(test)]
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mod test {
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use rocket::local::Client;
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use rocket::http::Header;
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fn test_header_count<'h>(headers: Vec<Header<'static>>) {
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let client = Client::new(super::rocket()).unwrap();
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let mut req = client.get("/");
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for header in headers.iter().cloned() {
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req.add_header(header);
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}
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let mut response = req.dispatch();
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let expect = format!("Your request contained {} headers!", headers.len());
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assert_eq!(response.body_string(), Some(expect));
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}
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#[test]
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fn test_n_headers() {
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for i in 0..50 {
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let headers = (0..i)
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.map(|n| Header::new(n.to_string(), n.to_string()))
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.collect();
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test_header_count(headers);
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}
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}
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}
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