Assignment 4: add unit, integration, and e2e tests; refactor for testability

internal/database/database.go

@@ -12,7 +12,6 @@ import (
 	"github.com/jackc/pgx/v5"
 )
 
-// Connect membuat koneksi ke PostgreSQL menggunakan env vars individual
 func Connect() (*pgx.Conn, error) {
 	host := getEnvOrDefault("DB_HOST", "localhost")
 	port := getEnvOrDefault("DB_PORT", "5432")
@@ -33,7 +32,6 @@ func Connect() (*pgx.Conn, error) {
 	return conn, nil
 }
 
-// CreateTables membuat tabel users, sessions, dan snippets jika belum ada
 func CreateTables(conn *pgx.Conn) error {
 	queries := []string{
 		`CREATE TABLE IF NOT EXISTS users (
@@ -61,15 +59,13 @@ func CreateTables(conn *pgx.Conn) error {
 		}
 	}
 
-	// Otomatis masukkan data sample 2 user & session
-	if err := SeedSampleData(conn); err != nil {
-		fmt.Fprintf(os.Stderr, "Warning: failed to seed sample data: %v\n", err)
-	}
+	// if err := SeedSampleData(conn); err != nil {
+	// 	fmt.Fprintf(os.Stderr, "Warning: failed to seed sample data: %v\n", err)
+	// }
 
 	return nil
 }
 
-// SeedSampleData memasukkan data sample 2 user dan session ke database dan mencetak infonya langsung ke konsol VS Code
 func SeedSampleData(conn *pgx.Conn) error {
 	ctx := context.Background()