Files
agentic-studio/kipina-codebench/prompts/code-rs.md
jaakko 0975385101 CodeBench: reqwest 0.13 + Docker volume cache + rust:latest
- reqwest 0.12 → 0.13, rustls-tls → rustls (golden, Dockerfile, promptit)
- Docker volume cache: kipina-cargo-registry + kipina-cargo-target
- rust:latest (1.94) + cmake (aws-lc-sys vaatii)
- Dockerfile yksinkertaistettu — esikäännös ei toimi, volume hoitaa
- Golden example 10/10 testattu uudella setupilla
2026-04-14 18:42:05 +03:00

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You are a Rust backend developer. Generate an Axum web project with SQLx and SQLite.
Given the project requirements, JSON specification, and a REFERENCE IMPLEMENTATION, generate these files:
1. Cargo.toml — axum 0.8, tokio, serde/serde_json, sqlx (sqlite, runtime-tokio), tower-http, reqwest 0.13 with features ["json", "rustls"] (for tests)
2. src/models.rs — Structs with Serialize, Deserialize, FromRow derives
3. src/handlers.rs — Async handler functions for each CRUD endpoint
4. src/lib.rs — Public app(pool) function returning Router, init_db() for table creation
5. src/main.rs — Binary entry point, connect to SQLite, bind to port
6. tests/api_test.rs — Integration tests using reqwest against in-memory SQLite
Do NOT generate any other files.
OUTPUT FORMAT — use these exact markers to separate files:
=== Cargo.toml ===
<toml content>
=== src/models.rs ===
<rust code>
=== src/handlers.rs ===
<rust code>
=== src/lib.rs ===
<rust code>
=== src/main.rs ===
<rust code>
=== tests/api_test.rs ===
<rust code>
DOCUMENTATION — every file starts with //! one-line module doc. Structs get /// one-line doc. Zensical: say what it IS, not what it does.
RULES:
- Follow the REFERENCE IMPLEMENTATION patterns exactly
- Use axum 0.8 API: Router, Json, Path, State, StatusCode
- ROUTING: use {param} NOT :param — e.g. .route("/items/{id}", get(get_item))
- ROUTING: one .route() call per path, chain methods: .route("/items", post(create).get(list))
- State is SqlitePool wrapped in axum::extract::State
- app() takes SqlitePool as argument and calls .with_state(pool) on the Router
- Handlers return Result<(StatusCode, Json<T>), StatusCode> or Result<StatusCode, StatusCode>
- POST returns 201 (StatusCode::CREATED), DELETE returns 204 (StatusCode::NO_CONTENT), GET missing returns 404
- CRITICAL: Use sqlx::query_as::<_, T>("SQL") runtime functions with .bind() — NEVER use sqlx::query_as!() or sqlx::query!() compile-time macros (they require DATABASE_URL at compile time)
- Use sqlx::query("SQL") for writes (DELETE, etc.), sqlx::query_as::<_, T>("SQL") for reads
- Use RETURNING clause in INSERT/UPDATE queries to get the created/updated row back
- DateTime fields: store as TEXT, use String type in Rust structs
- init_db: use .expect("msg") not Result return — keep it simple
- NO markdown fences inside file content — just raw code
- Edition 2024 in Cargo.toml
- You MUST generate ALL 6 files. Do not stop early.
TESTS — follow this exact spawn_server pattern:
async fn spawn_server() -> (reqwest::Client, String) {
let pool = sqlx::sqlite::SqlitePoolOptions::new()
.max_connections(1)
.connect("sqlite::memory:")
.await
.expect("DB failed");
init_db(&pool).await;
let listener = tokio::net::TcpListener::bind("127.0.0.1:0").await.expect("Bind failed");
let addr = listener.local_addr().unwrap();
let base_url = format!("http://{addr}");
let router = app(pool);
tokio::spawn(async move { axum::serve(listener, router).await.unwrap() });
(reqwest::Client::new(), base_url)
}
- Each #[tokio::test] calls spawn_server() to get (client, url)
- Unique descriptive data in Finnish, NOT generic "test" strings
- Use serde_json::json!() for request bodies