Unable to stub controller components - scala

Question

The method stubControllerComponents in package play.api.test appears to use same package and object name as a separate dependency which is causing a conflict when I attempt to use stubControllerComponents :
play.api.test.Helpers.stubControllerComponents is not found in below code:
import java.io.File
import play.api.test
import play.api.mvc._
import javax.inject._
import play.api.Environment
import play.api.mvc.{AbstractController, ControllerComponents}
class CountController #Inject() (cc: ControllerComponents,
env: Environment) extends AbstractController(cc) {
def getter() = Option(env.classLoader.getResourceAsStream("file.csv"))
}
play.api.Environment(play.api.test.Helpers.stubControllerComponents, Environment.simple())
This Helpers contains the method I require stubControllerComponents :
But this version of the class is being imported with import play.api.test :
Play link for stubbing : https://www.playframework.com/documentation/2.6.x/Highlights26#StubControllerComponents
build.sbt:
name := "ddd"
version := "1.0"
lazy val `ddd` = (project in file(".")).enablePlugins(PlayScala)
resolvers += "scalaz-bintray" at "https://dl.bintray.com/scalaz/releases"
resolvers += "Akka Snapshot Repository" at "https://repo.akka.io/snapshots/"
scalaVersion := "2.12.2"
libraryDependencies ++= Seq( jdbc , ehcache , ws , guice , specs2 % Test)
unmanagedResourceDirectories in Test <+= baseDirectory ( _ /"target/web/public/test" )
Do I need to exclude portions of a dependency, in this case filters-helpers in order to make stubControllerComponents available ?
Update:
play.api.test.Helpers.stubControllerComponents not found:
Update2:

Answer 1

You seem to be using a scratch file. AFAICS, there is no way to also include dependencies from your Test scope into the classpath of your worksheet.
A workaround would be to (temporarily) add the play-test artefact to your libraryDependencies. Or just create a proper test file, which has access to the Test libraries normally.

Answer 2

play.api.test.Helpers.stubControllerComponents is provided by play-test
dependency
libraryDependencies += "com.typesafe.play" %% "play-test" % PlayVersion.current % "test",
which is indirectly imported by Play's sbt plugin specified at project/plugins.sbt
addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.8.1")
after explicitly enablePlugins(PlayScala) within project's build.sbt.
Note how play-test is out-of-the-box scoped to test configuration hence it is provided only on the test classpath. If you wish to reference stubControllerComponents from within IntelliJ Scala Worksheet, then make sure to create the worksheet inside test/ directory and not inside app/ directory. This will make Scala Worksheet use test classpath.