如何模拟 ActionBuilder 的 BodyParser.Default 参数？

Posted 2023-04-11

【中文标题】如何模拟 ActionBuilder 的 BodyParser.Default 参数？

【英文标题】：How to mock BodyParser.Default parameter of ActionBuilder?

【发布时间】：2019-07-25 08:44:35

【问题描述】：

我想为下面的控制器编写测试。

   class DashboardController @Inject()(cc: ControllerComponents,
                                    dashboardDataService: DashboardService,
                                    authenticationAction: AuthenticationAction) 
                                    extends AbstractController(cc) 
                                    
    def dashboard(): Action[AnyContent] = authenticationAction.async 
        implicit request =>
        Ok(views.html.dashboard(dashboard)))
    

当我尝试使用 new AuthenticationAction(mockProperties, mock[BodyParsers.Default]) 等模拟参数在测试中创建 Action builder(AuthenticationAction) 的实例时，出现此错误：

when() requires an argument which has to be 'a method call on a mock'.
[error]    For example:
[error]        when(mock.getArticles()).thenReturn(articles);
[error]
[error]    Also, this error might show up because:
[error]    1. you stub either of: final/private/equals()/hashCode() methods.
[error]       Those methods *cannot* be stubbed/verified.
[error]       Mocking methods declared on non-public parent classes is not supported.
[error]    2. inside when() you don't call method on mock but on some other object.

我尝试创建BodyParsers.Default 的实例，而不是模拟它， 但它需要一些我无法传递的隐式参数。

如何创建BodyParsers.Default类的实例？

 val mockProperties = mock[ApplicationConfig]
    mockAuthenticationAction returns new AuthenticationAction(mockProperties, mock[BodyParsers.Default])

【参考方案1】：

终于，我能弄明白了。 我们必须创建另一个类，其方法将调用 Action Builder

class AuthenticationFactory @Inject() (properties: ApplicationConfig, 
parser: BodyParsers.Default) 

   def authenticate = new AuthenticationAction(properties, parser)

发布嘲笑工作完美的帖子

mockAuthenticationAction.authenticate returns new AuthenticationAction(mockProperties, mock[BodyParsers.Default])