use rocket::{self, State}; use rocket::fairing::AdHoc; use rocket::config::{self, Config, Environment, LoggingLevel}; use rocket::http::Status; use rocket::local::Client; struct LocalConfig(Config); #[get("/check_config")] fn check_config(config: State) -> Option<()> { let environment = match ::std::env::var("ROCKET_ENV") { Ok(name) => name, Err(_) => return None }; let config = &config.0; match &*environment { "development" => { assert_eq!(config.address, "localhost".to_string()); assert_eq!(config.port, 8000); assert_eq!(config.workers, 1); assert_eq!(config.log_level, LoggingLevel::Normal); assert_eq!(config.environment, config::Environment::Development); assert_eq!(config.extras().count(), 2); assert_eq!(config.get_str("hi"), Ok("Hello!")); assert_eq!(config.get_bool("is_extra"), Ok(true)); } "staging" => { assert_eq!(config.address, "0.0.0.0".to_string()); assert_eq!(config.port, 80); assert_eq!(config.workers, 8); assert_eq!(config.log_level, LoggingLevel::Normal); assert_eq!(config.environment, config::Environment::Staging); assert_eq!(config.extras().count(), 0); } "production" => { assert_eq!(config.address, "0.0.0.0".to_string()); assert_eq!(config.port, 80); assert_eq!(config.workers, 12); assert_eq!(config.log_level, LoggingLevel::Critical); assert_eq!(config.environment, config::Environment::Production); assert_eq!(config.extras().count(), 0); } _ => { panic!("Unknown environment in envvar: {}", environment); } } Some(()) } pub fn test_config(environment: Environment) { // Manually set the config environment variable. Rocket will initialize the // environment in `ignite()`. We'll read this back in the handler to config. ::std::env::set_var("ROCKET_ENV", environment.to_string()); let rocket = rocket::ignite() .attach(AdHoc::on_attach(|rocket| { println!("Attaching local config."); let config = rocket.config().clone(); Ok(rocket.manage(LocalConfig(config))) })) .mount("/", routes![check_config]); let client = Client::new(rocket).unwrap(); let response = client.get("/check_config").dispatch(); assert_eq!(response.status(), Status::Ok); }