- add: initial database and auth services

database-service/tests/grpc_get_user.rs

@@ -0,0 +1,25 @@
+use tonic::{Request, Response};
+use database_service::database::database_service_server::DatabaseService;
+use database_service::database::GetUserRequest;
+use database_service::MyDatabaseService;
+
+#[tokio::test]
+async fn test_grpc_get_user() {
+    let pool = setup_test_pool().await; // Set up your test pool
+    let cache = setup_test_cache().await; // Set up mock Redis cache
+
+    let service = MyDatabaseService { pool, cache };
+
+    // Create a mock gRPC request
+    let request = Request::new(GetUserRequest {
+        user_id: 123,
+    });
+
+    // Call the service
+    let response = service.get_user(request).await.unwrap().into_inner();
+
+    // Validate the response
+    assert_eq!(response.user_id, 123);
+    assert_eq!(response.username, "test_user");
+    assert_eq!(response.email, "test@example.com");
+}