/**
    * 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.core.net.server;
  
  
  import java.io.IOException;
  import java.net.ServerSocket;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.Assertions;
  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;
  
  /**
   * Unit tests for {@link AbstractServerSocketAppender}.
   *
   * @author Carl Harris
   */
  public class AbstractServerSocketAppenderTest {
  
      private MockContext context = new MockContext();
  
      private MockServerRunner<RemoteReceiverClient> runner = new MockServerRunner<RemoteReceiverClient>();
  
      private MockServerListener<RemoteReceiverClient> listener = new MockServerListener<RemoteReceiverClient>();
  
      private ServerSocket serverSocket;
      private InstrumentedServerSocketAppenderBase appender;
  
      @BeforeEach
      public void setUp() throws Exception {
          serverSocket = ServerSocketUtil.createServerSocket();
          appender = new InstrumentedServerSocketAppenderBase(serverSocket, listener, runner);
          appender.setContext(context);
      }
  
      @AfterEach
      public void tearDown() throws Exception {
          serverSocket.close();
      }
  
      @Test
      public void testStartStop() throws Exception {
          appender.start();
          Assertions.assertTrue(runner.isContextInjected());
          Assertions.assertTrue(runner.isRunning());
          Assertions.assertSame(listener, appender.getLastListener());
  
          appender.stop();
          Assertions.assertFalse(runner.isRunning());
      }
  
      @Test
      public void testStartWhenAlreadyStarted() throws Exception {
          appender.start();
          appender.start();
          Assertions.assertEquals(1, runner.getStartCount());
      }
  
      @Test
      public void testStopThrowsException() throws Exception {
          appender.start();
          Assertions.assertTrue(appender.isStarted());
          IOException ex = new IOException("test exception");
          runner.setStopException(ex);
          appender.stop();
  
          Status status = context.getLastStatus();
          Assertions.assertNotNull(status);
          Assertions.assertTrue(status instanceof ErrorStatus);
          Assertions.assertTrue(status.getMessage().contains(ex.getMessage()));
          Assertions.assertSame(ex, status.getThrowable());
      }
  
      @Test
      public void testStopWhenNotStarted() throws Exception {
          appender.stop();
          Assertions.assertEquals(0, runner.getStartCount());
      }
  
  }