Handler to send emails to confirmed subscribers

tests/api/helpers.rs

@@ -94,6 +94,15 @@ impl TestApp {
             .await
             .expect("Failed to execute request")
     }
+
+    pub async fn post_newsletters(&self, body: serde_json::Value) -> reqwest::Response {
+        reqwest::Client::new()
+            .post(format!("{}/newsletters", self.address))
+            .json(&body)
+            .send()
+            .await
+            .expect("Failed to execute request")
+    }
 }
 
 async fn configure_database(config: &DatabaseSettings) -> PgPool {