use super::rocket;
use rocket::testing::MockRequest;
use rocket::http::Method::*;
use rocket::http::Status;
use rocket::Response;

macro_rules! run_test {
    ($query:expr, $test_fn:expr) => ({
        let rocket = rocket::ignite()
            .mount("/", routes![super::hello]);

        let mut request = MockRequest::new(Get, format!("/hello{}", $query));
        $test_fn(request.dispatch_with(&rocket));
    })
}

#[test]
fn age_and_name_params() {
    run_test!("?age=10&name=john", |mut response: Response| {
        assert_eq!(response.body_string(),
        Some("Hello, 10 year old named john!".into()));
    });
}

#[test]
fn age_param_only() {
    run_test!("?age=10", |response: Response| {
        assert_eq!(response.status(), Status::NotFound);
    });
}

#[test]
fn name_param_only() {
    run_test!("?name=John", |mut response: Response| {
        assert_eq!(response.body_string(), Some("Hello John!".into()));
    });
}

#[test]
fn no_params() {
    run_test!("", |response: Response| {
        assert_eq!(response.status(), Status::NotFound);
    });

    run_test!("?", |response: Response| {
        assert_eq!(response.status(), Status::NotFound);
    });
}

#[test]
fn non_existent_params() {
    run_test!("?x=y", |response: Response| {
        assert_eq!(response.status(), Status::NotFound);
    });

    run_test!("?age=10&name=john&complete=true", |response: Response| {
        assert_eq!(response.status(), Status::NotFound);
    });
}