feat: enhance error handling and user follow functionality, update tests for user context

thoughts-backend/utils/src/testing/api/mod.rs

@@ -1,33 +1,51 @@
 use axum::{body::Body, http::Request, response::Response, Router};
 use tower::ServiceExt;
 
-pub async fn make_get_request(app: Router, url: &str) -> Response {
-    app.oneshot(Request::builder().uri(url).body(Body::empty()).unwrap())
+pub async fn make_get_request(app: Router, url: &str, user_id: Option<i32>) -> Response {
+    let mut builder = Request::builder()
+        .uri(url)
+        .header("Content-Type", "application/json");
+
+    if let Some(user_id) = user_id {
+        builder = builder.header("x-test-user-id", user_id.to_string());
+    }
+
+    app.oneshot(builder.body(Body::empty()).unwrap())
         .await
         .unwrap()
 }
 
-pub async fn make_post_request(app: Router, url: &str, body: String) -> Response {
-    app.oneshot(
-        Request::builder()
-            .method("POST")
-            .uri(url)
-            .header("Content-Type", "application/json")
-            .body(Body::from(body))
-            .unwrap(),
-    )
-    .await
-    .unwrap()
+pub async fn make_post_request(
+    app: Router,
+    url: &str,
+    body: String,
+    user_id: Option<i32>,
+) -> Response {
+    let mut builder = Request::builder()
+        .method("POST")
+        .uri(url)
+        .header("Content-Type", "application/json");
+
+    if let Some(user_id) = user_id {
+        builder = builder.header("x-test-user-id", user_id.to_string());
+    }
+
+    app.oneshot(builder.body(Body::from(body)).unwrap())
+        .await
+        .unwrap()
 }
 
-pub async fn make_delete_request(app: Router, url: &str) -> Response {
-    app.oneshot(
-        Request::builder()
-            .method("DELETE")
-            .uri(url)
-            .body(Body::empty())
-            .unwrap(),
-    )
-    .await
-    .unwrap()
+pub async fn make_delete_request(app: Router, url: &str, user_id: Option<i32>) -> Response {
+    let mut builder = Request::builder()
+        .method("DELETE")
+        .uri(url)
+        .header("Content-Type", "application/json");
+
+    if let Some(user_id) = user_id {
+        builder = builder.header("x-test-user-id", user_id.to_string());
+    }
+
+    app.oneshot(builder.body(Body::empty()).unwrap())
+        .await
+        .unwrap()
 }