not that bad anymore

backend/storage/cache/gomap/map.go

@@ -11,6 +11,13 @@ type Map[K comparable, V any] struct {
 	items map[K]V
 }
 
+func New[K comparable, V any]() *Map[K, V] {
+	return &Map[K, V]{
+		items: make(map[K]V),
+		mu:    sync.RWMutex{},
+	}
+}
+
 // Clear implements cache.Cache.
 func (m *Map[K, V]) Clear() {
 	m.mu.Lock()

backend/storage/database/mock/transaction.go

@@ -0,0 +1,67 @@
+package mock
+
+import (
+	"context"
+	"errors"
+
+	"github.com/zitadel/zitadel/backend/storage/database"
+)
+
+type Transaction struct {
+	committed  bool
+	rolledBack bool
+}
+
+func NewTransaction() *Transaction {
+	return new(Transaction)
+}
+
+// Commit implements [database.Transaction].
+func (t *Transaction) Commit(ctx context.Context) error {
+	if t.hasEnded() {
+		return errors.New("transaction already committed or rolled back")
+	}
+	t.committed = true
+	return nil
+}
+
+// End implements [database.Transaction].
+func (t *Transaction) End(ctx context.Context, err error) error {
+	if t.hasEnded() {
+		return errors.New("transaction already committed or rolled back")
+	}
+	if err != nil {
+		return t.Rollback(ctx)
+	}
+	return t.Commit(ctx)
+}
+
+// Exec implements [database.Transaction].
+func (t *Transaction) Exec(ctx context.Context, sql string, args ...any) error {
+	return nil
+}
+
+// Query implements [database.Transaction].
+func (t *Transaction) Query(ctx context.Context, sql string, args ...any) (database.Rows, error) {
+	return nil, nil
+}
+
+// QueryRow implements [database.Transaction].
+func (t *Transaction) QueryRow(ctx context.Context, sql string, args ...any) database.Row {
+	return nil
+}
+
+// Rollback implements [database.Transaction].
+func (t *Transaction) Rollback(ctx context.Context) error {
+	if t.hasEnded() {
+		return errors.New("transaction already committed or rolled back")
+	}
+	t.rolledBack = true
+	return nil
+}
+
+var _ database.Transaction = (*Transaction)(nil)
+
+func (t *Transaction) hasEnded() bool {
+	return t.committed || t.rolledBack
+}