1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112

use ::axum::extract::connect_info::IntoMakeServiceWithConnectInfo;
use ::axum::routing::IntoMakeService;
use ::axum::Router;
use ::hyper::server::conn::AddrIncoming;
use ::hyper::server::conn::AddrStream;
use ::hyper::server::Builder;
use ::tokio::spawn;
use ::tokio::task::JoinHandle;

/// This exists to gloss over the differences between Axum's
/// [`IntoMakeService`](::axum::routing::IntoMakeService) and [`IntoMakeServiceWithConnectInfo`](::axum::extract::connect_info::IntoMakeServiceWithConnectInfo) types.
///
/// This is a trait for turning those types into a thread, that is
/// running a web server.
///
pub trait IntoTestServerThread {
    fn into_server_thread(self, server_builder: Builder<AddrIncoming>) -> JoinHandle<()>;
}

impl IntoTestServerThread for IntoMakeService<Router> {
    fn into_server_thread(self, server_builder: Builder<AddrIncoming>) -> JoinHandle<()> {
        let server = server_builder.serve(self);
        spawn(async move {
            server.await.expect("Expect server to start serving");
        })
    }
}

impl<C> IntoTestServerThread for IntoMakeServiceWithConnectInfo<Router, C>
where
    for<'a> C: axum::extract::connect_info::Connected<&'a AddrStream>,
{
    fn into_server_thread(self, server_builder: Builder<AddrIncoming>) -> JoinHandle<()> {
        let server = server_builder.serve(self);
        spawn(async move {
            server.await.expect("Expect server to start serving");
        })
    }
}

#[cfg(test)]
mod test_into_test_server_thread_for_into_make_service {
    use ::axum::extract::State;
    use ::axum::routing::get;
    use ::axum::Router;

    use crate::TestServer;

    async fn get_ping() -> &'static str {
        "pong!"
    }

    async fn get_state(State(count): State<u32>) -> String {
        format!("count is {}", count)
    }

    #[tokio::test]
    async fn it_should_create_and_test_with_make_into_service() {
        // Build an application with a route.
        let app = Router::new()
            .route("/ping", get(get_ping))
            .into_make_service();

        // Run the server.
        let server = TestServer::new(app).expect("Should create test server");

        // Get the request.
        server.get(&"/ping").await.assert_text(&"pong!");
    }

    #[tokio::test]
    async fn it_should_create_and_test_with_make_into_service_with_state() {
        // Build an application with a route.
        let app = Router::new()
            .route("/count", get(get_state))
            .with_state(123)
            .into_make_service();

        // Run the server.
        let server = TestServer::new(app).expect("Should create test server");

        // Get the request.
        server.get(&"/count").await.assert_text(&"count is 123");
    }
}

#[cfg(test)]
mod test_into_test_server_thread_for_into_make_service_with_connect_info {
    use ::axum::routing::get;
    use ::axum::Router;
    use ::std::net::SocketAddr;

    use crate::TestServer;

    async fn get_ping() -> &'static str {
        "pong!"
    }

    #[tokio::test]
    async fn it_should_create_and_test_with_make_into_service_with_connect_info() {
        // Build an application with a route.
        let app = Router::new()
            .route("/ping", get(get_ping))
            .into_make_service_with_connect_info::<SocketAddr>();

        // Run the server.
        let server = TestServer::new(app).expect("Should create test server");

        // Get the request.
        server.get(&"/ping").await.assert_text(&"pong!");
    }
}