0e4d41ad33
* Add scalafix plugin for jdk 9. * Add command alias sortImports. * Excludes some sources from SortImports. * Update SortImports to 0.4.0 * Sort imports with `sortImports` command.
82 lines
2.9 KiB
Scala
82 lines
2.9 KiB
Scala
/*
|
|
* Copyright (C) 2019-2020 Lightbend Inc. <https://www.lightbend.com>
|
|
*/
|
|
|
|
package akka.actor
|
|
|
|
import scala.collection.immutable
|
|
import scala.concurrent.Await
|
|
import scala.concurrent.duration._
|
|
import scala.util.{ Failure, Success, Try }
|
|
|
|
import org.scalatest.BeforeAndAfterAll
|
|
import org.scalatest.matchers.should.Matchers
|
|
import org.scalatest.wordspec.AnyWordSpec
|
|
|
|
abstract class TestSuperclass {
|
|
def name: String
|
|
}
|
|
|
|
class TestClassWithStringConstructor(val name: String) extends TestSuperclass
|
|
class TestClassWithDefaultConstructor extends TestSuperclass {
|
|
override def name = "default"
|
|
}
|
|
|
|
class DynamicAccessSpec extends AnyWordSpec with Matchers with BeforeAndAfterAll {
|
|
val system = ActorSystem()
|
|
|
|
"The DynamicAccess of a system" should {
|
|
val dynamicAccess = system.asInstanceOf[ExtendedActorSystem].dynamicAccess
|
|
|
|
"instantiate an object with a default constructor" in {
|
|
val instance: Try[TestClassWithDefaultConstructor] = dynamicAccess
|
|
.createInstanceFor[TestClassWithDefaultConstructor]("akka.actor.TestClassWithDefaultConstructor", Nil)
|
|
instance match {
|
|
case Success(i) => i shouldNot be(null)
|
|
case Failure(t) => fail(t)
|
|
}
|
|
}
|
|
|
|
"throw a ClassNotFound exception when the class is not found" in {
|
|
dynamicAccess.createInstanceFor[TestClassWithDefaultConstructor]("foo.NonExistingClass", Nil) match {
|
|
case Success(instance) =>
|
|
fail(s"Expected failure, found $instance")
|
|
case Failure(e) =>
|
|
e shouldBe a[ClassNotFoundException]
|
|
}
|
|
}
|
|
|
|
"try different constructors with recoverWith" in {
|
|
instantiateWithDefaultOrStringCtor("akka.actor.TestClassWithStringConstructor").get.name shouldBe "string ctor argument"
|
|
instantiateWithDefaultOrStringCtor("akka.actor.TestClassWithDefaultConstructor").get.name shouldBe "default"
|
|
instantiateWithDefaultOrStringCtor("akka.actor.foo.NonExistingClass") match {
|
|
case Failure(t) =>
|
|
t shouldBe a[ClassNotFoundException]
|
|
case Success(instance) =>
|
|
fail(s"unexpected instance $instance")
|
|
}
|
|
}
|
|
|
|
"know if a class exists on the classpath or not" in {
|
|
dynamicAccess.classIsOnClasspath("i.just.made.it.up.to.hurt.Myself") should ===(false)
|
|
dynamicAccess.classIsOnClasspath("akka.actor.Actor") should ===(true)
|
|
}
|
|
|
|
def instantiateWithDefaultOrStringCtor(fqcn: String): Try[TestSuperclass] =
|
|
// recoverWith doesn't work with scala 2.13.0-M5
|
|
// https://github.com/scala/bug/issues/11242
|
|
dynamicAccess.createInstanceFor[TestSuperclass](fqcn, Nil) match {
|
|
case s: Success[TestSuperclass] => s
|
|
case Failure(_: NoSuchMethodException) =>
|
|
dynamicAccess
|
|
.createInstanceFor[TestSuperclass](fqcn, immutable.Seq((classOf[String], "string ctor argument")))
|
|
case f: Failure[_] => f
|
|
}
|
|
|
|
}
|
|
|
|
override def afterAll() = {
|
|
Await.result(system.terminate(), 10.seconds)
|
|
super.afterAll()
|
|
}
|
|
}
|