fix: set route's method to GET

src/routes/subscriptions.rs

@@ -40,7 +40,10 @@ pub async fn send_confirmation_email(
     new_subscriber: NewSubscriber,
     base_url: &str,
 ) -> Result<(), reqwest::Error> {
-    let confirmation_link = format!("{}/subscriptions/confirm?subscription_token=mytoken", base_url);
+    let confirmation_link = format!(
+        "{}/subscriptions/confirm?subscription_token=mytoken",
+        base_url
+    );
     let plain_body = format!(
         "Welcome to our newsletter! Visit {} to confirm your subscription.",
         confirmation_link
@@ -118,8 +121,6 @@ pub async fn insert_subscriber(
     Ok(())
 }
 
-pub fn routes_subscriptions(state: AppState) -> Router {
-    Router::new()
-        .route("/subscriptions", post(subscribe))
-        .with_state(state)
+pub fn routes_subscriptions() -> Router<AppState> {
+    Router::new().route("/subscriptions", post(subscribe))
 }

src/routes/subscriptions_confirm.rs

@@ -1,5 +1,5 @@
 use crate::startup::AppState;
-use axum::routing::post;
+use axum::routing::get;
 use axum::{
     extract::Query,
     http::StatusCode,
@@ -12,14 +12,12 @@ pub struct Parameters {
     subscription_token: String,
 }
 
-#[tracing::instrument(name = "Confirm a pending subscriber", skip(_parameters))]
-pub async fn confirm(Query(_parameters): Query<Parameters>) -> impl IntoResponse {
+// #[tracing::instrument(name = "Confirm a pending subscriber", skip(_parameters))]
+pub async fn confirm(Query(_parameters): Query<Parameters>) -> Response {
     println!("subscription_token: {}", _parameters.subscription_token);
-    return (StatusCode::OK,).into_response();
+    (StatusCode::OK,).into_response()
 }
 
-pub fn routes_subscriptions_confirm(state: AppState) -> Router {
-    Router::new()
-        .route("/subscriptions/confirm", post(confirm))
-        .with_state(state)
+pub fn routes_subscriptions_confirm() -> Router<AppState> {
+    Router::new().route("/subscriptions/confirm", get(confirm))
 }

src/startup.rs

@@ -67,19 +67,15 @@ impl Application {
         let state = AppState {
             db_pool: connection_pool.clone(),
             email_client: email_client.clone(),
-            base_url: ApplicationBaseUrl (configuration.application.base_url),
+            base_url: ApplicationBaseUrl(configuration.application.base_url),
         };
 
-        // NOTE: [her] There might be a problem with the state handling, the given version
-        // seems to me as if it has no "outer state" - but I might obviously be wrong.
-        //
-        // Check this: https://docs.rs/axum/latest/axum/routing/struct.Router.html#merging-routers-with-state
         let app = Router::new()
-            .merge(crate::routes::routes_health_check())
             // TODO: check whether state cloning is what we want
-            .merge(crate::routes::routes_subscriptions(state.clone()))
-            .merge(crate::routes::routes_subscriptions_confirm(state))
-            // .with_state(state)
+            .merge(crate::routes::routes_subscriptions())
+            .merge(crate::routes::routes_subscriptions_confirm())
+            .with_state(state)
+            .merge(crate::routes::routes_health_check())
             .layer(
                 // from https://docs.rs/tower-http/0.2.5/tower_http/request_id/index.html#using-trace
                 ServiceBuilder::new()

tests/api/subscriptions_confirm.rs

@@ -1,7 +1,7 @@
 use crate::helpers::spawn_app;
 use reqwest::Url;
-use wiremock::{ResponseTemplate, Mock};
-use wiremock::matchers::{path, method};
+use wiremock::matchers::{method, path};
+use wiremock::{Mock, ResponseTemplate};
 
 #[tokio::test]
 async fn the_link_returned_by_subscribe_returns_a_200_if_called() {
@@ -17,28 +17,24 @@ async fn the_link_returned_by_subscribe_returns_a_200_if_called() {
 
     app.post_subscriptions(body.into()).await;
     let email_request = &app.email_server.received_requests().await.unwrap()[0];
-    let body: serde_json::Value = serde_json::from_slice(&email_request.body)
-        .unwrap();
+    let body: serde_json::Value = serde_json::from_slice(&email_request.body).unwrap();
     // Extract the link from one of the request fields.
     let get_link = |s: &str| {
         let links: Vec<_> = linkify::LinkFinder::new()
             .links(s)
-                        .filter(|l| *l.kind() == linkify::LinkKind::Url)
+            .filter(|l| *l.kind() == linkify::LinkKind::Url)
             .collect();
         assert_eq!(links.len(), 1);
         links[0].as_str().to_owned()
     };
     let raw_confirmation_link = &get_link(body["HtmlBody"].as_str().unwrap());
     let mut confirmation_link = Url::parse(raw_confirmation_link).unwrap();
+
     assert_eq!(confirmation_link.host_str().unwrap(), "127.0.0.1");
     confirmation_link.set_port(Some(app.port)).unwrap();
 
-    println!("\n################################\n{}\n##########################################", confirmation_link);
-
     // Act
-    let response = reqwest::get(confirmation_link)
-        .await
-        .unwrap();
+    let response = reqwest::get(confirmation_link).await.unwrap();
 
     // Assert
     assert_eq!(response.status().as_u16(), 200);
@@ -57,4 +53,3 @@ async fn confirmations_without_token_are_rejected_with_a_400() {
     // Assert
     assert_eq!(response.status().as_u16(), 400);
 }
-