// Copyright (C) 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.scriptengine;
  
  import static java.util.Arrays.asList;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNull;
  import static org.mockito.Mockito.inOrder;
  import static org.mockito.Mockito.verifyNoMoreInteractions;
  import static org.mockito.Mockito.when;
  import net.grinder.script.Test.InstrumentationFilter;
  import net.grinder.scriptengine.CompositeInstrumenter;
  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 CompositeInstrumenter}.
   *
   * @author Philip Aston
   */
  public class TestCompositeInstrumenter {
  
    @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 CompositeInstrumenter(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 CompositeInstrumenter(asList(m_instrumenter1, m_instrumenter2));
  
      final Object result =
        instrumenter.createInstrumentedProxy(m_test, m_recorder, null);
      assertNull(result);
    }
  
    @Test public void testCreateInstrumentedProxyFailure() throws Exception {
      final Instrumenter instrumenter =
        new CompositeInstrumenter(asList(m_instrumenter1, m_instrumenter2));
  
      final Object result =
        instrumenter.createInstrumentedProxy(m_test, m_recorder, m_target);
      assertNull(result);
    }
  
   @Test public void testInstrument() throws Exception {
     when(m_instrumenter2.instrument(m_test, m_recorder, m_target))
       .thenReturn(true);
 
     final Instrumenter instrumenter =
       new CompositeInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     instrumenter.instrument(m_test, m_recorder, m_target);
 
     final InOrder inOrder = inOrder(m_instrumenter1, m_instrumenter2);
 
     inOrder.verify(m_instrumenter1)
       .instrument(m_test, m_recorder, m_target, Instrumenter.ALL_INSTRUMENTATION);
     inOrder.verify(m_instrumenter2)
       .instrument(m_test, m_recorder, m_target, Instrumenter.ALL_INSTRUMENTATION);
 
     verifyNoMoreInteractions(m_instrumenter1, m_instrumenter2);
   }
 
   @Test public void testInstrumentWithNull() throws Exception {
     final Instrumenter instrumenter =
       new CompositeInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     final boolean result =
       instrumenter.instrument(m_test, m_recorder, null, m_filter);
     assertFalse(result);
   }
 
   @Test public void testCreateInstrumentedFailure() throws Exception {
     final Instrumenter instrumenter =
       new CompositeInstrumenter(asList(m_instrumenter1, m_instrumenter2));
 
     final boolean result =
       instrumenter.instrument(m_test, m_recorder, null, m_filter);
     assertFalse(result);
   }
 
   @Test public void testGetDescription() throws Exception {
     when(m_instrumenter1.getDescription()).thenReturn("I1");
     when(m_instrumenter2.getDescription()).thenReturn("I2");
 
     assertEquals("I1; I2",
                  new CompositeInstrumenter(m_instrumenter1, m_instrumenter2)
                  .getDescription());
 
     assertEquals("I1",
                  new CompositeInstrumenter(m_instrumenter1).getDescription());
 
     assertEquals("", new CompositeInstrumenter().getDescription());
 
     when(m_instrumenter2.getDescription()).thenReturn(null);
 
     assertEquals("I1",
                  new CompositeInstrumenter(m_instrumenter1, m_instrumenter2)
                  .getDescription());
   }
 }