KaaNodeInitializationServiceTest.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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 org.kaaproject.kaa.server.node.service.initialization;

import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import org.apache.curator.framework.CuratorFramework;
import org.apache.thrift.TMultiplexedProcessor;
import org.apache.thrift.server.TThreadPoolServer;
import org.apache.thrift.transport.TServerSocket;
import org.apache.thrift.transport.TServerTransport;
import org.apache.thrift.transport.TTransportException;
import org.junit.Test;
import org.kaaproject.kaa.server.common.thrift.gen.bootstrap.BootstrapThriftService;
import org.kaaproject.kaa.server.common.thrift.gen.node.KaaNodeThriftService;
import org.kaaproject.kaa.server.common.thrift.gen.operations.OperationsThriftService;
import org.kaaproject.kaa.server.node.service.config.KaaNodeServerConfig;
import org.mockito.Mockito;
import org.springframework.test.util.ReflectionTestUtils;

import java.util.concurrent.TimeUnit;

public class KaaNodeInitializationServiceTest {

  private InitializationService controlInitializationService;
  private InitializationService bootstrapInitializationService;
  private InitializationService operationsInitializationService;
  private CuratorFramework zkClient;

  /**
   * Test kaa node initialization service start.
   *
   * @throws Exception the exception
   */
  @Test
  public void testKaaNodeInitializationServiceStart() throws Exception {
    KaaNodeInitializationService kaaNodeInitializationService = kaaNodeInitializationServiceSpy();

    TThreadPoolServer server = Mockito.mock(TThreadPoolServer.class);
    Mockito.doNothing().when(server).serve();

    Mockito.doReturn(server).when(kaaNodeInitializationService).createServer(Mockito.any(TServerTransport.class),
        Mockito.any(TMultiplexedProcessor.class));

    kaaNodeInitializationService.start();

    Mockito.verify(controlInitializationService).start();
    Mockito.verify(bootstrapInitializationService).start();
    Mockito.verify(operationsInitializationService).start();
  }

  /**
   * Test kaa node initialization service start with transport exception.
   *
   * @throws Exception the exception
   */
  @Test
  public void testKaaNodeInitializationServiceStartTransportException() throws Exception {
    KaaNodeInitializationService kaaNodeInitializationService = kaaNodeInitializationServiceSpy();

    TThreadPoolServer server = Mockito.mock(TThreadPoolServer.class);
    Mockito.doThrow(TTransportException.class).when(server).serve();

    Mockito.doReturn(server).when(kaaNodeInitializationService).createServer(Mockito.any(TServerTransport.class),
        Mockito.any(TMultiplexedProcessor.class));

    kaaNodeInitializationService.start();

    Mockito.verify(controlInitializationService).start();
    Mockito.verify(bootstrapInitializationService).start();
    Mockito.verify(operationsInitializationService).start();
  }

  /**
   * Test kaa node initialization service stop.
   *
   * @throws Exception the exception
   */
  @Test
  public void testKaaNodeInitializationServiceStop() throws Exception {
    KaaNodeInitializationService kaaNodeInitializationService = kaaNodeInitializationServiceSpy();

    TThreadPoolServer server = Mockito.mock(TThreadPoolServer.class);
    Mockito.doNothing().when(server).serve();

    Mockito.doReturn(server).when(kaaNodeInitializationService).createServer(Mockito.any(TServerTransport.class),
        Mockito.any(TMultiplexedProcessor.class));

    kaaNodeInitializationService.start();
    kaaNodeInitializationService.stop();

    Mockito.verify(controlInitializationService).start();
    Mockito.verify(bootstrapInitializationService).start();
    Mockito.verify(operationsInitializationService).start();

    Mockito.verify(controlInitializationService).stop();
    Mockito.verify(bootstrapInitializationService).stop();
    Mockito.verify(operationsInitializationService).stop();

  }


  /**
   * created stubbed kaa node initialization service.
   *
   * @return the KaaNodeInitializationService
   * @throws Exception the exception
   */
  private KaaNodeInitializationService kaaNodeInitializationServiceSpy() throws Exception {

    KaaNodeInitializationService kaaNodeInitializationService = Mockito.spy(new KaaNodeInitializationService());

    KaaNodeServerConfig kaaNodeServerConfig = new KaaNodeServerConfig();
    kaaNodeServerConfig.setThriftHost("localhost");
    kaaNodeServerConfig.setThriftPort(10090);
    kaaNodeServerConfig.setControlServiceEnabled(true);
    kaaNodeServerConfig.setBootstrapServiceEnabled(true);
    kaaNodeServerConfig.setOperationsServiceEnabled(true);
    kaaNodeServerConfig.setZkWaitConnectionTime(5);

    ReflectionTestUtils.setField(kaaNodeInitializationService, "kaaNodeServerConfig", kaaNodeServerConfig);

    KaaNodeThriftService.Iface kaaNodeThriftService = Mockito.mock(KaaNodeThriftService.Iface.class);
    ReflectionTestUtils.setField(kaaNodeInitializationService, "kaaNodeThriftService", kaaNodeThriftService);

    BootstrapThriftService.Iface bootstrapThriftService = Mockito.mock(BootstrapThriftService.Iface.class);
    ReflectionTestUtils.setField(kaaNodeInitializationService, "bootstrapThriftService", bootstrapThriftService);

    OperationsThriftService.Iface operationsThriftService = Mockito.mock(OperationsThriftService.Iface.class);
    ReflectionTestUtils.setField(kaaNodeInitializationService, "operationsThriftService", operationsThriftService);

    controlInitializationService = mock(InitializationService.class);
    bootstrapInitializationService = mock(InitializationService.class);
    operationsInitializationService = mock(InitializationService.class);
    zkClient = mock(CuratorFramework.class);
    doNothing().when(zkClient).start();
    doNothing().when(zkClient).blockUntilConnected();
    when(zkClient.blockUntilConnected(anyInt(), any(TimeUnit.class))).thenReturn(true);

    ReflectionTestUtils.setField(kaaNodeInitializationService, "controlInitializationService", controlInitializationService);

    ReflectionTestUtils.setField(kaaNodeInitializationService, "bootstrapInitializationService", bootstrapInitializationService);

    ReflectionTestUtils.setField(kaaNodeInitializationService, "operationsInitializationService", operationsInitializationService);

    ReflectionTestUtils.setField(kaaNodeInitializationService, "zkClient", zkClient);

    TServerSocket serverSocket = Mockito.mock(TServerSocket.class);

    Mockito.doReturn(serverSocket).when(kaaNodeInitializationService).createServerSocket();

    return kaaNodeInitializationService;
  }
}