// Copyright (C) 2009 - 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.engine.process;
  
  import static java.util.Arrays.asList;
  import static java.util.Collections.emptyList;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  import static org.mockito.Mockito.inOrder;
  import static org.mockito.Mockito.verifyNoMoreInteractions;
  import static org.mockito.Mockito.when;
  
  import java.util.List;
  
  import net.grinder.script.NonInstrumentableTypeException;
  import net.grinder.script.NotWrappableTypeException;
  import net.grinder.script.Test.InstrumentationFilter;
  import net.grinder.scriptengine.Instrumenter;
  import net.grinder.scriptengine.Recorder;
  
  import org.junit.Before;
  import org.junit.Test;
  import org.mockito.InOrder;
  import org.mockito.Mock;
  import org.mockito.MockitoAnnotations;
  
  
  /**
   * Unit tests for {@link MasterInstrumenter}.
   *
   * @author Philip Aston
   */
  public class TestMasterInstrumenter {
  
    @Mock private Recorder m_recorder;
    @Mock private Instrumenter m_instrumenter1;
    @Mock private Instrumenter m_instrumenter2;
    @Mock private InstrumentationFilter m_filter;
    @Mock private net.grinder.common.Test m_test;
  
    private Object m_target = new Object();
  
    @Before public void setUp() throws Exception {
      MockitoAnnotations.initMocks(this);
    }
  
    @Test public void testCreateInstrumentedProxy() throws Exception {
  
      when(m_instrumenter2.createInstrumentedProxy(m_test, m_recorder, m_target))
        .thenReturn(m_target);
  
      final Instrumenter instrumenter =
        new MasterInstrumenter(asList(m_instrumenter1, m_instrumenter2));
  
      instrumenter.createInstrumentedProxy(m_test, m_recorder, m_target);
  
      final InOrder inOrder = inOrder(m_instrumenter1, m_instrumenter2);
  
      inOrder.verify(m_instrumenter1)
        .createInstrumentedProxy(m_test, m_recorder, m_target);
      inOrder.verify(m_instrumenter2)
        .createInstrumentedProxy(m_test, m_recorder, m_target);
  
      verifyNoMoreInteractions(m_instrumenter1, m_instrumenter2);
    }
  
    @Test public void testCreateInstrumentedProxyWithNull() throws Exception {
      final Instrumenter instrumenter =
        new MasterInstrumenter(asList(m_instrumenter1, m_instrumenter2));
  
      try {
        instrumenter.createInstrumentedProxy(m_test, m_recorder, null);
        fail("Expected NotWrappableTypeException");
      }
      catch (NotWrappableTypeException e) {
      }
    }
  
    @Test public void testCreateInstrumentedProxyFailure() throws Exception {
      final Instrumenter instrumenter =
       new MasterInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     try {
       instrumenter.createInstrumentedProxy(m_test, m_recorder, m_target);
       fail("Expected NotWrappableTypeException");
     }
     catch (NotWrappableTypeException e) {
     }
   }
 
   @Test public void testInstrument() throws Exception {
     when(m_instrumenter2.instrument(m_test, m_recorder, m_target, m_filter))
       .thenReturn(true);
 
     final Instrumenter instrumenter =
       new MasterInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     instrumenter.instrument(m_test, m_recorder, m_target, m_filter);
 
     final InOrder inOrder = inOrder(m_instrumenter1, m_instrumenter2);
 
     inOrder.verify(m_instrumenter1)
       .instrument(m_test, m_recorder, m_target, m_filter);
     inOrder.verify(m_instrumenter2)
       .instrument(m_test, m_recorder, m_target, m_filter);
 
     verifyNoMoreInteractions(m_instrumenter1, m_instrumenter2);
   }
 
   @Test public void testInstrumentWithNull() throws Exception {
     final Instrumenter instrumenter =
       new MasterInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     try {
       instrumenter.instrument(m_test, m_recorder, null, null);
       fail("Expected NonInstrumentableTypeException");
     }
     catch (NonInstrumentableTypeException e) {
     }
   }
 
   @Test public void testCreateInstrumentedFailure() throws Exception {
     final Instrumenter instrumenter =
       new MasterInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     try {
       instrumenter.instrument(m_test, m_recorder, m_target, null);
       fail("Expected NonInstrumentableTypeException");
     }
     catch (NonInstrumentableTypeException e) {
     }
   }
 
   @Test public void testGetDescription() throws Exception {
     when(m_instrumenter1.getDescription()).thenReturn("I1");
     when(m_instrumenter2.getDescription()).thenReturn("I2");
 
     final Instrumenter instrumenter =
       new MasterInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     assertEquals("I1; I2", instrumenter.getDescription());
 
     final Instrumenter instrumenter2 =
       new MasterInstrumenter(asList(m_instrumenter1));
 
     assertEquals("I1", instrumenter2.getDescription());
 
     final List<Instrumenter> e = emptyList();
 
     assertEquals("NO INSTRUMENTER COULD BE LOADED",
                  new MasterInstrumenter(e).getDescription());
   }
 }