test: ✅ add tests

refactor: ♻️ routing_operations

src/lib.rs

@@ -6,6 +6,7 @@ use tokio::sync::Mutex;
 
 pub mod chat;
 pub mod routing;
+pub mod routing_operations;
 pub mod test;
 pub mod utils;
 
@@ -24,7 +25,7 @@ pub struct AppState {
 }
 
 impl AppState {
-    pub async fn is_chat_exists(&mut self, room_id: &String) -> Option<usize> {
+    pub async fn is_chat_exists(&self, room_id: &String) -> Option<usize> {
         let chats = self.chats.lock().await;
         for i in 0..chats.len() {
             if chats[i].room_id == *room_id {
@@ -52,10 +53,6 @@ impl AppState {
                     }
                 }
             }
-            // if chats[chat_index].last_interaction < current - chat_cleaning_timeout as u64 {
-            //     chats.remove(chat_index);
-            //     return;
-            // }
         }
     }
 }

src/routing.rs

@@ -8,10 +8,7 @@ use axum::{
 use serde::Deserialize;
 use tower_http::cors::CorsLayer;
 
-use crate::{
-    chat::{Chat, Message},
-    AppState,
-};
+use crate::{routing_operations, AppState};
 
 #[derive(Debug, Deserialize)]
 struct ReceivedMessage {
@@ -37,46 +34,18 @@ async fn alive() -> impl IntoResponse {
 }
 
 async fn receive_message(
-    State(mut state): State<AppState>,
+    State(state): State<AppState>,
     Json(received_message): Json<ReceivedMessage>,
 ) {
     let sender = received_message.username;
     let data = received_message.message;
     let room_id = received_message.room_id;
-    let message = Message::new(sender, data);
-    match state.is_chat_exists(&room_id).await {
-        Some(index) => {
-            let mut chats = state.chats.lock().await;
-            chats[index].add_message(message, state.max_message_counter);
-        }
-        None => {
-            let mut new_chat = Chat::new(room_id);
-            new_chat.add_message(message, state.max_message_counter);
-            let mut chats = state.chats.lock().await;
-            let room_id = new_chat.room_id.clone();
-            chats.push(new_chat);
-            drop(chats);
-            tokio::spawn(AppState::chat_destroyer(
-                state.chats.clone(),
-                room_id,
-                state.chat_cleaning_timeout,
-            ));
-        }
-    }
+    routing_operations::receive_message(sender, data, room_id, &state).await;
 }
 
 async fn send_message(
     Path(room_id): Path<String>,
-    State(mut state): State<AppState>,
+    State(state): State<AppState>,
 ) -> impl IntoResponse {
-    match state.is_chat_exists(&room_id).await {
-        Some(index) => {
-            let chats = state.chats.lock().await;
-            (
-                StatusCode::OK,
-                serde_json::to_string(&chats[index]).unwrap(),
-            )
-        }
-        None => (StatusCode::BAD_REQUEST, serde_json::to_string("").unwrap()),
-    }
+    routing_operations::send_message(room_id, state).await
 }

src/routing_operations.rs

@@ -0,0 +1,50 @@
+use axum::http::StatusCode;
+
+use crate::{
+    chat::{Chat, Message},
+    AppState,
+};
+
+pub async fn receive_message(
+    sender: impl ToString,
+    data: impl ToString,
+    room_id: impl ToString,
+    state: &AppState,
+) {
+    let message = Message::new(sender.to_string(), data.to_string());
+    match state.is_chat_exists(&room_id.to_string()).await {
+        Some(index) => {
+            let mut chats = state.chats.lock().await;
+            chats[index].add_message(message, state.max_message_counter);
+        }
+        None => {
+            let mut new_chat = Chat::new(room_id.to_string());
+            new_chat.add_message(message, state.max_message_counter);
+            let mut chats = state.chats.lock().await;
+            let room_id = new_chat.room_id.clone();
+            chats.push(new_chat);
+            drop(chats);
+            tokio::spawn(AppState::chat_destroyer(
+                state.chats.clone(),
+                room_id,
+                state.chat_cleaning_timeout,
+            ));
+        }
+    }
+}
+
+pub async fn send_message(
+    room_id: impl ToString,
+    state: AppState,
+) -> (axum::http::StatusCode, std::string::String) {
+    match state.is_chat_exists(&room_id.to_string()).await {
+        Some(index) => {
+            let chats = state.chats.lock().await;
+            (
+                StatusCode::OK,
+                serde_json::to_string(&chats[index]).unwrap(),
+            )
+        }
+        None => (StatusCode::BAD_REQUEST, serde_json::to_string("").unwrap()),
+    }
+}

src/test.rs

@@ -1 +1,96 @@
+#[cfg(test)]
+use crate::{routing_operations::receive_message, AppState};
+#[cfg(test)]
+use std::sync::Arc;
+#[cfg(test)]
+use std::time::Duration;
+#[cfg(test)]
+use tokio::sync::Mutex;
 
+#[tokio::test]
+async fn new_message_no_chat() {
+    let state = AppState {
+        chats: Arc::new(Mutex::new(vec![])),
+        max_message_counter: 5,
+        chat_cleaning_timeout: 10,
+    };
+    receive_message("Tahinli", "Hi", "Tahinli-Chat", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 1);
+    assert_eq!(chats[0].messages.len(), 1);
+}
+
+#[tokio::test]
+async fn new_message_with_chat() {
+    let state = AppState {
+        chats: Arc::new(Mutex::new(vec![])),
+        max_message_counter: 5,
+        chat_cleaning_timeout: 10,
+    };
+    receive_message("Tahinli", "Hi", "Tahinli-Chat", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 1);
+    assert_eq!(chats[0].messages.len(), 1);
+    drop(chats);
+
+    receive_message("Tahinli", "Hi Again", "Tahinli-Chat", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 1);
+    assert_eq!(chats[0].messages.len(), 2);
+}
+
+#[tokio::test]
+async fn chat_auto_deletion_with_timeout() {
+    let state = AppState {
+        chats: Arc::new(Mutex::new(vec![])),
+        max_message_counter: 5,
+        chat_cleaning_timeout: 1,
+    };
+    receive_message("Tahinli", "Hi", "Tahinli-Chat", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 1);
+    assert_eq!(chats[0].messages.len(), 1);
+    drop(chats);
+
+    tokio::time::sleep(Duration::from_secs(2)).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 0);
+}
+
+#[tokio::test]
+async fn message_auto_deletion_with_counter() {
+    let state = AppState {
+        chats: Arc::new(Mutex::new(vec![])),
+        max_message_counter: 1,
+        chat_cleaning_timeout: 10,
+    };
+    receive_message("Tahinli", "Hi", "Tahinli-Chat", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 1);
+    assert_eq!(chats[0].messages.len(), 1);
+    drop(chats);
+
+    receive_message("Tahinli", "Hi", "Tahinli-Chat", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 1);
+    assert_eq!(chats[0].messages.len(), 1);
+}
+
+#[tokio::test]
+async fn create_multiple_chats() {
+    let state = AppState {
+        chats: Arc::new(Mutex::new(vec![])),
+        max_message_counter: 1,
+        chat_cleaning_timeout: 10,
+    };
+    receive_message("Tahinli", "Hi", "Tahinli-Chat-1", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 1);
+    assert_eq!(chats[0].messages.len(), 1);
+    drop(chats);
+
+    receive_message("Tahinli", "Hi", "Tahinli-Chat-2", &state).await;
+    let chats = state.chats.lock().await;
+    assert_eq!(chats.len(), 2);
+    assert_eq!(chats[1].messages.len(), 1);
+}