CodeBench: Go-tuki — Chi + SQLite + httptest

- Golden example: todo-go/ (6/6 testit läpi)
- todo-go.md golden reference
- prompts/code-go.md koodigenerointi-prompti
- Dockerfile.go-test (golang:1.23-alpine)
- benchmark.mjs: LANG_CONFIG, parseTestOutput, prompt/golden-valinta Go:lle
- Käyttö: node benchmark.mjs --lang go --models qwen2.5-coder:32b

kipina-codebench/golden-examples/todo-go/main.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	_ "modernc.org/sqlite"
+)
+
+// InitDB creates tables if they don't exist.
+func InitDB(db *sql.DB) {
+	_, err := db.Exec(`CREATE TABLE IF NOT EXISTS todos (
+		id          INTEGER PRIMARY KEY AUTOINCREMENT,
+		title       TEXT NOT NULL,
+		description TEXT,
+		due_date    TEXT,
+		priority    INTEGER NOT NULL DEFAULT 1,
+		status      TEXT NOT NULL DEFAULT 'pending'
+	)`)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+// NewRouter creates a chi router with all routes.
+func NewRouter(db *sql.DB) http.Handler {
+	r := chi.NewRouter()
+	r.Post("/todos", createTodo(db))
+	r.Get("/todos", listTodos(db))
+	r.Get("/todos/{id}", getTodo(db))
+	r.Put("/todos/{id}", updateTodo(db))
+	r.Delete("/todos/{id}", deleteTodo(db))
+	return r
+}
+
+func main() {
+	db, err := sql.Open("sqlite", "file:app.db?mode=rwc")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer db.Close()
+	InitDB(db)
+
+	fmt.Println("Server running: http://127.0.0.1:3000")
+	log.Fatal(http.ListenAndServe("127.0.0.1:3000", NewRouter(db)))
+}