// Copyright (C) 2008 - 2011 Philip Aston
   // All rights reserved.
   //
   // This file is part of The Grinder software distribution. Refer to
   // the file LICENSE which is part of The Grinder distribution for
   // licensing details. The Grinder distribution is available on the
   // Internet at http://grinder.sourceforge.net/
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  // OF THE POSSIBILITY OF SUCH DAMAGE.
  
  package net.grinder.util;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.fail;
  import static org.mockito.Matchers.contains;
  import static org.mockito.Matchers.isA;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.verifyNoMoreInteractions;
  import net.grinder.common.GrinderException;
  import net.grinder.testutility.AssertUtilities;
  import net.grinder.util.AbstractMainClass.LoggedInitialisationException;
  import net.grinder.util.JVM.VersionException;
  
  import org.junit.Test;
  import org.slf4j.Logger;
  
  
  /**
   * Unit tests for {@link AbstractMainClass}.
   *
   * @author Philip Aston
   */
  public class TestAbstractMainClass {
  
    @Test public void testAbstractMainClass() throws Exception {
  
      final Logger logger = mock(Logger.class);
      final String myUsage = "do some stuff";
  
      final MyMainClass mainClass = new MyMainClass(logger, myUsage);
  
      assertSame(logger, mainClass.getLogger());
  
      final String javaVersion = System.getProperty("java.version");
  
      try {
        try {
          System.setProperty("java.version", "whatever");
          new MyMainClass(logger, myUsage);
          fail("Expected VersionException");
        }
        catch (VersionException e) {
        }
  
        try {
          System.setProperty("java.version", "1.3");
          new MyMainClass(logger, myUsage);
          fail("Expected LoggedInitialisationException");
        }
        catch (LoggedInitialisationException e) {
          AssertUtilities.assertContains(e.getMessage(), "Unsupported");
          verify(logger).error(contains("incompatible version"),
                               isA(JVM.class),
                               isA(String.class));
        }
      }
      finally {
        System.setProperty("java.version", javaVersion);
      }
  
      final LoggedInitialisationException barfError = mainClass.barfError("foo");
      assertEquals("foo", barfError.getMessage());
      verify(logger).error(contains("foo"));
  
      final LoggedInitialisationException barfUsage = mainClass.barfUsage();
      AssertUtilities.assertContains(barfUsage.getMessage(), myUsage);
  
      verify(logger).error(contains(myUsage));
      verifyNoMoreInteractions(logger);
  
    }
  
    private static class MyMainClass extends AbstractMainClass {
      public MyMainClass(Logger logger, String usage) throws GrinderException {
        super(logger, usage);
      }
   }
 }