core/src/test/scala/org/apache/gearpump/cluster/appmaster/InMemoryKVServiceSpec.scala

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 * to you under the Apache License, Version 2.0 (the
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 *      http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.gearpump.cluster.appmaster

import akka.actor.Props
import akka.testkit.TestProbe
import com.typesafe.config.Config
import org.apache.gearpump.cluster.master.InMemoryKVService
import org.apache.gearpump.cluster.master.InMemoryKVService._
import org.apache.gearpump.cluster.{MasterHarness, TestUtil}
import org.scalatest.{BeforeAndAfterEach, FlatSpec, Matchers}

import scala.concurrent.duration._

class InMemoryKVServiceSpec
  extends FlatSpec with Matchers with BeforeAndAfterEach with MasterHarness {

  override def beforeEach(): Unit = {
    startActorSystem()
  }

  override def afterEach(): Unit = {
    shutdownActorSystem()
  }

  override def config: Config = TestUtil.MASTER_CONFIG

  "KVService" should "get, put, delete correctly" in {
    val system = getActorSystem
    val kvService = system.actorOf(Props(new InMemoryKVService()))
    val group = "group"

    val client = TestProbe()(system)

    client.send(kvService, PutKV(group, "key", 1))
    client.expectMsg(PutKVSuccess)

    client.send(kvService, PutKV(group, "key", 2))
    client.expectMsg(PutKVSuccess)

    client.send(kvService, GetKV(group, "key"))
    client.expectMsg(GetKVSuccess("key", 2))

    client.send(kvService, DeleteKVGroup(group))

    // After DeleteGroup, it no longer accept Get and Put message for this group.
    client.send(kvService, GetKV(group, "key"))
    client.expectNoMsg(3.seconds)

    client.send(kvService, PutKV(group, "key", 3))
    client.expectNoMsg(3.seconds)
  }
}