2021-08-02 23:09:09 +02:00
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//! Run with
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//!
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//! ```not_rust
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2023-03-10 12:02:11 +01:00
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//! cargo run -p example-form
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2021-08-02 23:09:09 +02:00
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//! ```
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2021-10-24 22:05:16 +02:00
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use axum::{extract::Form, response::Html, routing::get, Router};
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2021-06-13 11:01:40 +02:00
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use serde::Deserialize;
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2022-03-06 12:37:00 +01:00
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use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
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2021-06-13 11:01:40 +02:00
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#[tokio::main]
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async fn main() {
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2022-03-06 12:37:00 +01:00
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tracing_subscriber::registry()
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2022-11-30 18:46:19 +09:00
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.with(
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tracing_subscriber::EnvFilter::try_from_default_env()
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2024-08-24 14:36:08 +08:00
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.unwrap_or_else(|_| format!("{}=debug", env!("CARGO_CRATE_NAME")).into()),
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2022-11-30 18:46:19 +09:00
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)
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2022-03-06 12:37:00 +01:00
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.with(tracing_subscriber::fmt::layer())
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.init();
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2021-08-01 22:01:33 +02:00
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2021-06-13 11:01:40 +02:00
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// build our application with some routes
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2025-03-17 14:31:17 +02:00
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let app = app();
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2021-06-13 11:01:40 +02:00
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2023-03-22 23:42:14 +01:00
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// run it
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let listener = tokio::net::TcpListener::bind("127.0.0.1:3000")
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2021-06-19 12:50:33 +02:00
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.await
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.unwrap();
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2023-03-22 23:42:14 +01:00
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tracing::debug!("listening on {}", listener.local_addr().unwrap());
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2025-12-28 09:25:50 +01:00
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axum::serve(listener, app).await;
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2021-06-13 11:01:40 +02:00
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}
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2025-03-17 14:31:17 +02:00
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fn app() -> Router {
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Router::new().route("/", get(show_form).post(accept_form))
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}
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2021-08-18 00:04:15 +02:00
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async fn show_form() -> Html<&'static str> {
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Html(
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2021-06-13 11:01:40 +02:00
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r#"
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<!doctype html>
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<html>
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<head></head>
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<body>
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<form action="/" method="post">
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<label for="name">
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Enter your name:
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<input type="text" name="name">
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</label>
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<label>
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Enter your email:
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<input type="text" name="email">
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</label>
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<input type="submit" value="Subscribe!">
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</form>
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</body>
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</html>
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"#,
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)
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}
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#[derive(Deserialize, Debug)]
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2021-10-07 16:49:57 +02:00
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#[allow(dead_code)]
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2021-06-13 11:01:40 +02:00
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struct Input {
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name: String,
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email: String,
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}
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2025-03-17 14:31:17 +02:00
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async fn accept_form(Form(input): Form<Input>) -> Html<String> {
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2021-06-13 11:01:40 +02:00
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dbg!(&input);
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2025-03-17 14:31:17 +02:00
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Html(format!(
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"email='{}'\nname='{}'\n",
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&input.email, &input.name
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))
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use axum::{
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body::Body,
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http::{self, Request, StatusCode},
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};
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use http_body_util::BodyExt;
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use tower::ServiceExt; // for `call`, `oneshot`, and `ready` // for `collect`
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#[tokio::test]
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async fn test_get() {
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let app = app();
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let response = app
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.oneshot(Request::builder().uri("/").body(Body::empty()).unwrap())
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.await
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.unwrap();
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assert_eq!(response.status(), StatusCode::OK);
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let body = response.into_body().collect().await.unwrap().to_bytes();
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let body = std::str::from_utf8(&body).unwrap();
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assert!(body.contains(r#"<input type="submit" value="Subscribe!">"#));
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}
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#[tokio::test]
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async fn test_post() {
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let app = app();
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let response = app
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.oneshot(
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Request::builder()
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.method(http::Method::POST)
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.uri("/")
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.header(
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http::header::CONTENT_TYPE,
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mime::APPLICATION_WWW_FORM_URLENCODED.as_ref(),
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)
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.body(Body::from("name=foo&email=bar@axum"))
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.unwrap(),
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)
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.await
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.unwrap();
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assert_eq!(response.status(), StatusCode::OK);
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let body = response.into_body().collect().await.unwrap().to_bytes();
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let body = std::str::from_utf8(&body).unwrap();
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assert_eq!(body, "email='bar@axum'\nname='foo'\n");
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}
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2021-06-13 11:01:40 +02:00
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}
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