Confirm subscription endpoint

tests/api/subscriptions.rs

@@ -1,21 +1,48 @@
 use crate::helpers::TestApp;
+use wiremock::{
+    Mock, ResponseTemplate,
+    matchers::{method, path},
+};
 
 #[tokio::test]
 async fn subscribe_returns_a_200_for_valid_form_data() {
     let app = TestApp::spawn().await;
 
-    let body = "name=alphonse&email=alphonse.paix%40outlook.com";
+    Mock::given(path("/v1/email"))
+        .and(method("POST"))
+        .respond_with(ResponseTemplate::new(200))
+        .mount(&app.email_server)
+        .await;
+
+    let body = "name=Alphonse&email=alphonse.paix%40outlook.com";
+    let response = app.post_subscriptions(body.into()).await;
+
+    assert_eq!(200, response.status().as_u16());
+}
+
+#[tokio::test]
+async fn subscribe_persists_the_new_subscriber() {
+    let app = TestApp::spawn().await;
+
+    Mock::given(path("/v1/email"))
+        .and(method("POST"))
+        .respond_with(ResponseTemplate::new(200))
+        .mount(&app.email_server)
+        .await;
+
+    let body = "name=Alphonse&email=alphonse.paix%40outlook.com";
     let response = app.post_subscriptions(body.into()).await;
 
     assert_eq!(200, response.status().as_u16());
 
-    let saved = sqlx::query!("SELECT email, name FROM subscriptions")
+    let saved = sqlx::query!("SELECT email, name, status FROM subscriptions")
         .fetch_one(&app.connection_pool)
         .await
         .expect("Failed to fetch saved subscription");
 
     assert_eq!(saved.email, "alphonse.paix@outlook.com");
-    assert_eq!(saved.name, "alphonse");
+    assert_eq!(saved.name, "Alphonse");
+    assert_eq!(saved.status, "pending_confirmation");
 }
 
 #[tokio::test]
@@ -59,3 +86,39 @@ async fn subscribe_returns_a_400_when_fields_are_present_but_invalid() {
         );
     }
 }
+
+#[tokio::test]
+async fn subscribe_sends_a_confirmation_email_for_valid_data() {
+    let app = TestApp::spawn().await;
+
+    let body = "name=Alphonse&email=alphonse.paix%40outlook.com";
+
+    Mock::given(path("v1/email"))
+        .and(method("POST"))
+        .respond_with(ResponseTemplate::new(200))
+        .expect(1)
+        .mount(&app.email_server)
+        .await;
+
+    app.post_subscriptions(body.into()).await;
+}
+
+#[tokio::test]
+async fn subscribe_sends_a_confirmation_email_with_a_link() {
+    let app = TestApp::spawn().await;
+
+    let body = "name=Alphonse&email=alphonse.paix%40outlook.com";
+
+    Mock::given(path("v1/email"))
+        .and(method("POST"))
+        .respond_with(ResponseTemplate::new(200))
+        .expect(1)
+        .mount(&app.email_server)
+        .await;
+
+    app.post_subscriptions(body.into()).await;
+
+    let email_request = &app.email_server.received_requests().await.unwrap()[0];
+    let confirmation_links = app.get_confirmation_links(email_request);
+    assert_eq!(confirmation_links.html, confirmation_links.text);
+}