Question

我目前正在开发使用bloc架构的应用。我的集团专门使用流与UI进行通信。因此，除构造函数外，它的所有方法都是私有的（它们以“ _”开头）。

所以问题是我该如何从位于文本包中的测试类中测试块的私有方法，以使其无法访问其他包的私有方法。

谢谢

Answer 1

您不能，但是可以将其公开并使用@visibleForTesting对其进行注释，以从不在同一库或test/中的代码访问它们时获得DartAnalyzer警告。

https://github.com/dart-lang/sdk/blob/master/pkg/meta/lib/meta.dart#L224-L233

/// Used to annotate a declaration was made public, so that it is more visible
/// than otherwise necessary, to make code testable.
///
/// Tools, such as the analyzer, can provide feedback if
///
/// * the annotation is associated with a declaration not in the `lib` folder
///   of a package, or
/// * the declaration is referenced outside of its the defining library or a
///   library which is in the `test` folder of the defining package.

Answer 2

我现在通过使另一个公共“存根”方法具有相同的参数来解决此问题，该方法仅调用私有变量并用@visibleForTesting进行标记。这个

@visibleForTesting
  Future<void> removeAppointments(List<DocumentSnapshot> documents, [FirebaseFirestore instance]) => _removeAppointments(documents, instance);

如何在Flutter中测试私有函数/方法？

2 个答案: