client/src/test/scala/org/apache/toree/kernel/protocol/v5/client/socket/HeartbeatClientSpec.scala

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
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 *  See the License for the specific language governing permissions and
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package org.apache.toree.kernel.protocol.v5.client.socket

import org.apache.pekko.actor.{ActorRef, ActorSystem, Props}
import org.apache.pekko.testkit.{TestProbe, ImplicitSender, TestKit}
import org.apache.toree.communication.ZMQMessage
import org.apache.toree.kernel.protocol.v5.client.ActorLoader
import org.scalatestplus.mockito.MockitoSugar
import org.scalatest.funspec.AnyFunSpecLike
import org.scalatest.matchers.should.Matchers
import org.mockito.ArgumentMatchers._
import org.mockito.Mockito._

class HeartbeatClientSpec extends TestKit(ActorSystem("HeartbeatActorSpec"))
  with ImplicitSender with AnyFunSpecLike with Matchers with MockitoSugar {

  describe("HeartbeatClientActor") {
    val socketFactory = mock[SocketFactory]
    val mockActorLoader = mock[ActorLoader]
    val probe : TestProbe = TestProbe()
    when(socketFactory.HeartbeatClient(any(classOf[ActorSystem]), any(classOf[ActorRef]))).thenReturn(probe.ref)

    val heartbeatClient = system.actorOf(Props(
      classOf[HeartbeatClient], socketFactory, mockActorLoader, true
    ))

    describe("send heartbeat") {
      it("should send ping ZMQMessage") {
        heartbeatClient ! HeartbeatMessage
        probe.expectMsgClass(classOf[ZMQMessage])
      }
    }
  }
}