1 use tokio::net;
2 use tokio_test::assert_ok;
3
4 use std::io;
5 use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr};
6
7 #[tokio::test]
lookup_socket_addr()8 async fn lookup_socket_addr() {
9 let addr: SocketAddr = "127.0.0.1:8000".parse().unwrap();
10
11 let actual = assert_ok!(net::lookup_host(addr).await).collect::<Vec<_>>();
12 assert_eq!(vec![addr], actual);
13 }
14
15 #[tokio::test]
lookup_str_socket_addr()16 async fn lookup_str_socket_addr() {
17 let addr: SocketAddr = "127.0.0.1:8000".parse().unwrap();
18
19 let actual = assert_ok!(net::lookup_host("127.0.0.1:8000").await).collect::<Vec<_>>();
20 assert_eq!(vec![addr], actual);
21 }
22
23 #[tokio::test]
resolve_dns() -> io::Result<()>24 async fn resolve_dns() -> io::Result<()> {
25 let mut hosts = net::lookup_host("localhost:3000").await?;
26 let host = hosts.next().unwrap();
27
28 let expected = if host.is_ipv4() {
29 SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), 3000)
30 } else {
31 SocketAddr::new(IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)), 3000)
32 };
33 assert_eq!(host, expected);
34
35 Ok(())
36 }
37