gistfile1.scala

  trait ScalatraTestDependencies extends BasicManagedProject {
    def testProjectDependencies = List(scalatest, specs)

    abstract override def dependencies = super.dependencies.toList ++ testProjectDependencies

    override def deliverProjectDependencies: Iterable[ModuleID] = {
      val testDependencyIds = testProjectDependencies.map(_.projectID).toList
      super.deliverProjectDependencies.toList -- testDependencyIds ++ (testDependencyIds map { _ % "test" })
    }

    override def fullClasspath(config: Configuration): PathFinder = Path.lazyPathFinder {
      def classpath(projects: Iterable[Project], config: Configuration) = projects flatMap {
        case sp: ClasspathProject => sp.projectClasspath(config).get
        case _ => Nil
      }
      val nonTestTopologicalSort = Dag.topologicalSort[Project](this) {
        case p: ScalatraTestDependencies => p.dependencies -- testProjectDependencies
        case p: Project => p.dependencies
      }
      val set = new LinkedHashSet[Path]
      set ++= classpath(nonTestTopologicalSort, config)
      if (config == Configurations.Test) {
        set ++= classpath(topologicalSort -- nonTestTopologicalSort, Configurations.Default)
      }
      set.toList
    }
  }