config/tests/common/mod.rs

common_mod.rs

#![feature(plugin)]
#![plugin(rocket_codegen)]

// use rocket::config;
use rocket::http::Method;
use rocket::testing::MockRequest;

extern crate config as lib;

#[test]
pub fn test_config(environment: &str) {
    // set the environment for rocket
    std::env::set_var("ROCKET_ENV", environment);
    rocket::ignite().mount("/hello", routes![lib::hello]);

    let mut request = MockRequest::new(Method::Get, "/hello");
    let mut response = request.dispatch_with(&rocket);
    assert_eq!(response.body().and_then(|b| b.into_string()),
               Some("Hello, world!".to_string()));
}