Play/Scala注入控制器进入测试 [英] Play/Scala injecting controller into test

问题描述

因此，根据Play 2.4文档( https://playframework.com /documentation/2.4.x/ScalaTestingWithScalaTest#Unit-Testing-Controllers )，则应将控制器设置为这样的特征

So according to Play 2.4 documentation (https://playframework.com/documentation/2.4.x/ScalaTestingWithScalaTest#Unit-Testing-Controllers), the controller should be set up as a trait like this

trait ExampleController {
  this: Controller =>

  def index() = Action {
    Ok("ok")
  }
}

object ExampleController extends Controller with ExampleController

为了使测试能够像这样

class ExampleControllerSpec extends PlaySpec with Results {

  class TestController() extends Controller with ExampleController

  "Example Page#index" should {
    "should be valid" in {
        //test code
    }
  }
}

但是，我正在使用Guice依赖项注入，并且根据Play 2.4文档( https://playframework.com/documentation/2.4.x/ScalaDependencyInjection )，我的控制器如下所示:

however, I'm using Guice dependency injection, and according to Play 2.4 documentation (https://playframework.com/documentation/2.4.x/ScalaDependencyInjection) my controller looks like this:

@Singleton
class ExampleController @Inject() (exampleService: IExampleService) extends Controller {
    def index() = Action {
        Ok("")
    }
}

由于控制器不再是特征，因此我无法将其混入测试中:with ExampleController，如何使上面的测试正常工作?

Since controller is no longer a trait and I can't mix it into the test like this: with ExampleController, how do I make the test above work?

推荐答案

您可以直接从ExampleController继承.您还可以消除extends Controller，因为您的控制器已经继承了此内容:

You can inherit directly from ExampleController. You can also eliminate the extends Controller, as your controller already inherits this:

class TestController(service: IExampleService) extends ExampleController(service)

您可以在此处

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