- add: initial database and auth services

database-service/tests/get_user.rs

@@ -0,0 +1,30 @@
+use sqlx::{PgPool, Executor};
+use tokio;
+
+#[tokio::test]
+async fn test_get_user() {
+    // Set up a temporary in-memory PostgreSQL database
+    let pool = PgPool::connect("postgres://user:password@localhost/test_database").await.unwrap();
+
+    // Create the test table
+    pool.execute(
+        r#"
+        CREATE TABLE users (
+            user_id TEXT PRIMARY KEY,
+            username TEXT NOT NULL,
+            email TEXT NOT NULL,
+            hashed_password TEXT NOT NULL
+        );
+        INSERT INTO users (user_id, username, email, hashed_password)
+        VALUES ('123', 'test_user', 'test@example.com', 'hashed_password_example');
+        "#,
+    )
+        .await
+        .unwrap();
+
+    // Test the `get_user` function
+    let user = get_user(&pool, "123").await.unwrap();
+    assert_eq!(user.user_id, "123");
+    assert_eq!(user.username, "test_user");
+    assert_eq!(user.email, "test@example.com");
+}