/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2015, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.classic.net.server;
  
  import java.io.IOException;
  import java.net.ServerSocket;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import ch.qos.logback.core.net.mock.MockContext;
  import ch.qos.logback.core.net.server.test.MockServerListener;
  import ch.qos.logback.core.net.server.test.MockServerRunner;
  import ch.qos.logback.core.net.server.test.ServerSocketUtil;
  import ch.qos.logback.core.status.ErrorStatus;
  import ch.qos.logback.core.status.Status;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Unit tests for {@link ServerSocketReceiver}.
   *
   * @author Carl Harris
   */
  public class ServerSocketReceiverTest {
  
      private MockContext context = new MockContext();
  
      private MockServerRunner<RemoteAppenderClient> runner = new MockServerRunner<RemoteAppenderClient>();
  
      private MockServerListener<RemoteAppenderClient> listener = new MockServerListener<RemoteAppenderClient>();
  
      private ServerSocket serverSocket;
      private InstrumentedServerSocketReceiver receiver;
  
      @BeforeEach
      public void setUp() throws Exception {
          serverSocket = ServerSocketUtil.createServerSocket();
          receiver = new InstrumentedServerSocketReceiver(serverSocket, listener, runner);
          receiver.setContext(context);
      }
  
      @AfterEach
      public void tearDown() throws Exception {
          serverSocket.close();
      }
  
      @Test
      public void testStartStop() throws Exception {
          receiver.start();
          assertTrue(runner.isContextInjected());
          assertTrue(runner.isRunning());
          assertSame(listener, receiver.getLastListener());
  
          receiver.stop();
          assertFalse(runner.isRunning());
      }
  
      @Test
      public void testStartWhenAlreadyStarted() throws Exception {
          receiver.start();
          receiver.start();
          assertEquals(1, runner.getStartCount());
      }
  
      @Test
      public void testStopThrowsException() throws Exception {
          receiver.start();
          assertTrue(receiver.isStarted());
          IOException ex = new IOException("test exception");
          runner.setStopException(ex);
          receiver.stop();
  
          Status status = context.getLastStatus();
          assertNotNull(status);
          assertTrue(status instanceof ErrorStatus);
          assertTrue(status.getMessage().contains(ex.getMessage()));
          assertSame(ex, status.getThrowable());
      }
  
      @Test
      public void testStopWhenNotStarted() throws Exception {
          receiver.stop();
         assertEquals(0, runner.getStartCount());
     }
 
 }