code: /*
   * Copyright © 2014-2017 EntIT Software LLC, a Micro Focus company (L.P.)
   *
   * Licensed 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,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package io.cloudslang.engine.queue.services;
  
  import io.cloudslang.engine.queue.entities.ExecStatus;
  import io.cloudslang.engine.queue.repositories.ExecutionQueueRepository;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.mockito.MockitoAnnotations;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.test.context.ContextConfiguration;
  import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import static org.mockito.Mockito.*;
  
  @RunWith(SpringJUnit4ClassRunner.class)
  
  @ContextConfiguration
  public class BusyWorkersServiceTest {
  
  
  
      @Autowired
      private BusyWorkersService busyWorkersService;
  
      @Autowired
      private ExecutionQueueRepository executionQueueRepository;
  
      @Before
      public void setUp()
      {
          MockitoAnnotations.initMocks(this);
          reset(executionQueueRepository);
      }
  
      @Test
      public void testIdleWorker(){
          List<String> busyWorkers = new ArrayList<>();
          when(executionQueueRepository.getBusyWorkers(ExecStatus.ASSIGNED)).thenReturn(busyWorkers);
          Assert.assertFalse(busyWorkersService.isWorkerBusy("worker1"));
      }
  
      @Test
      public void testBusyWorker(){
          List<String> busyWorkers = new ArrayList<>();
          busyWorkers.add("worker1");
          when(executionQueueRepository.getBusyWorkers(ExecStatus.ASSIGNED)).thenReturn(busyWorkers);
          busyWorkersService.findBusyWorkers();
          Assert.assertTrue(busyWorkersService.isWorkerBusy("worker1"));
      }
  
  
      @Configuration
      static class EmptyConfig {
          @Bean
          public BusyWorkersService busyWorkersService(){
              return new BusyWorkersServiceImpl();
          }
  
          @Bean
          public ExecutionQueueRepository executionQueueRepository(){
              return mock(ExecutionQueueRepository.class);
          }
      }
  }