// 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.clojure;
  
  import static java.util.Collections.singleton;
  import static net.grinder.testutility.AssertUtilities.assertContains;
  import static net.grinder.testutility.FileUtilities.createFile;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.fail;
  
  import java.io.File;
  import java.util.Collections;
  import java.util.List;
  
  import net.grinder.engine.common.EngineException;
  import net.grinder.engine.common.ScriptLocation;
  import net.grinder.scriptengine.Instrumenter;
  import net.grinder.scriptengine.ScriptEngineService;
  import net.grinder.scriptengine.ScriptEngineService.ScriptEngine;
  import net.grinder.testutility.AbstractJUnit4FileTestCase;
  import net.grinder.util.BlockingClassLoader;
  import net.grinder.util.Directory;
  
  import org.junit.Test;
  
  
  /**
   * Unit tests for {@link ClojureScriptEngineService}.
   *
   * @author Philip Aston
   */
  public class TestClojureScriptEngineService extends AbstractJUnit4FileTestCase {
  
    @Test public void testCreateInstrumenters() throws Exception {
      final List<? extends Instrumenter> instrumenters =
        new ClojureScriptEngineService().createInstrumenters();
  
      assertEquals(0, instrumenters.size());
    }
  
    @Test public void testCreateScriptEngineWrongType() throws Exception {
  
      final ScriptLocation someScript =
        new ScriptLocation(new File("some.thing"));
  
      final ScriptEngine result =
        new ClojureScriptEngineService().createScriptEngine(someScript);
  
      assertNull(result);
    }
  
    @Test public void testCreateScriptEngine() throws Exception {
  
      final ScriptLocation script =
        new ScriptLocation(new Directory(getDirectory()), new File("my.clj"));
  
      createFile(script.getFile(),
                 "(fn [] (fn [] ()))");
  
      final ScriptEngine result =
        new ClojureScriptEngineService().createScriptEngine(script);
  
      assertContains(result.getDescription(), "Clojure");
    }
  
    @Test public void testCreateScriptEngineNoClojure() throws Exception {
  
      final ScriptLocation script =
        new ScriptLocation(new Directory(getDirectory()), new File("my.clj"));
  
      final ClassLoader blockingLoader =
        new BlockingClassLoader(singleton("clojure.*"),
                                singleton("net.grinder.scriptengine.clojure.*"),
                                Collections.<String>emptySet(),
                                false);
  
      final ScriptEngineService service =
        (ScriptEngineService) blockingLoader.loadClass(
           ClojureScriptEngineService.class.getName()).newInstance();
 
     try {
       service.createScriptEngine(script);
       fail("Expected EngineException");
     }
     catch (EngineException e) {
       assertContains(e.getMessage(), "classpath");
     }
   }
 }