Initial sanitized code sync

internal/db/testhelper_test.go

@@ -0,0 +1,28 @@
+package db
+
+import (
+	"testing"
+
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+)
+
+// setupTestDB creates an in-memory SQLite database for testing.
+func setupTestDB(t *testing.T) *gorm.DB {
+	t.Helper()
+	d, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{
+		Logger: logger.Default.LogMode(logger.Silent),
+	})
+	if err != nil {
+		t.Fatalf("open test db: %v", err)
+	}
+	if err := d.AutoMigrate(
+		&SystemConfig{}, &EmailRecord{}, &Task{}, &TaskLog{},
+		&CardCode{}, &Card{}, &Account{},
+	); err != nil {
+		t.Fatalf("migrate: %v", err)
+	}
+	DB = d
+	return d
+}