use std::net::TcpListener;

#[tokio::test]
async fn health_check_works() {
	let address = spawn_app();
	let health_check_endpoint = format!("{}/health_check", address);
	let client = reqwest::Client::new();
	let response = client.get(health_check_endpoint)
		.send().await.expect("Failed to execute request.");

	assert!(response.status().is_success());
	assert_eq!(Some(0), response.content_length());
}

fn spawn_app() -> String {
	let listener = TcpListener::bind("127.0.0.1:0").expect("Failed to bind random port");
	let port = listener.local_addr().unwrap().port();

	let server = zero2prod::run(listener).expect("Failed to bind address");
	tokio::spawn(server);

	format!("http://127.0.0.1:{}", port)
}