package org.apache.maven.surefire.testng;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import java.io.File;

 import java.lang.reflect.Constructor;

 import java.lang.reflect.InvocationTargetException;

 import java.lang.reflect.Method;

 import java.util.List;

 import java.util.Map;

 import org.apache.maven.artifact.versioning.ArtifactVersion;

 import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;

 import org.apache.maven.artifact.versioning.VersionRange;

 import org.apache.maven.surefire.report.RunListener;

 import org.apache.maven.surefire.testng.conf.Configurator;

 import org.apache.maven.surefire.testng.conf.TestNG4751Configurator;

 import org.apache.maven.surefire.testng.conf.TestNG52Configurator;

 import org.apache.maven.surefire.testng.conf.TestNGMapConfigurator;

 import org.apache.maven.surefire.testset.TestSetFailedException;

 import org.apache.maven.surefire.util.NestedRuntimeException;

 import org.apache.maven.surefire.util.internal.StringUtils;

 import org.testng.TestNG;

 /**

  * Contains utility methods for executing TestNG.

  *

  * @author <a href="mailto:brett@apache.org">Brett Porter</a>

  * @author <a href='mailto:the[dot]mindstorm[at]gmail[dot]com'>Alex Popescu</a>

  */

 public class TestNGExecutor

 {

     private TestNGExecutor()

     {

         // noop

     }

     public static void run( Class[] testClasses, String testSourceDirectory, Map options, ArtifactVersion version,

                             RunListener reportManager, TestNgTestSuite suite, File reportsDirectory, final String methodNamePattern )

         throws TestSetFailedException

     {

         TestNG testng = new TestNG( true );

         if (!StringUtils.isBlank( methodNamePattern ))

         {

             applyMethodNameFiltering( testng, methodNamePattern );

         } 

         Configurator configurator = getConfigurator( version );

         configurator.configure( testng, options );

         postConfigure( testng, testSourceDirectory, reportManager, suite, reportsDirectory );

         testng.setTestClasses( testClasses );

         testng.run();

     }

     private static void applyMethodNameFiltering(TestNG testng, String methodNamePattern)

         throws TestSetFailedException

     {

         // the class is available in the testClassPath

         String clazzName = "org.apache.maven.surefire.testng.utils.MethodSelector";

         // looks to need a high value 

         testng.addMethodSelector( clazzName , 10000 );

         try

         {

             Class clazz = Class.forName( clazzName );

             Method method = clazz.getMethod( "setMethodName", new Class[]{String.class} );

             method.invoke( null, new Object[]{methodNamePattern} );

         }

         catch ( ClassNotFoundException e )

         {

             throw new TestSetFailedException(e.getMessage(), e);

         }

         catch ( SecurityException e )

         {

             throw new TestSetFailedException(e.getMessage(), e);

         }

         catch ( NoSuchMethodException e )

         {

             throw new TestSetFailedException(e.getMessage(), e);

         }

         catch ( IllegalArgumentException e )

         {

             throw new TestSetFailedException(e.getMessage(), e);

         }

         catch ( IllegalAccessException e )

         {

             throw new TestSetFailedException(e.getMessage(), e);

         }

         catch ( InvocationTargetException e )

         {

             throw new TestSetFailedException(e.getMessage(), e);

         }        

     }

     public static void run( List suiteFiles, String testSourceDirectory, Map options, ArtifactVersion version,

                             RunListener reportManager, TestNgTestSuite suite, File reportsDirectory )

         throws TestSetFailedException

     {

         TestNG testng = new TestNG( true );

         Configurator configurator = getConfigurator( version );

         configurator.configure( testng, options );

         postConfigure( testng, testSourceDirectory, reportManager, suite, reportsDirectory );

         testng.setTestSuites( suiteFiles );

         testng.run();

     }

     private static Configurator getConfigurator( ArtifactVersion version )

         throws TestSetFailedException

     {

         try

         {

             VersionRange range = VersionRange.createFromVersionSpec( "[4.7,5.1]" );

             if ( range.containsVersion( version ) )

             {

                 return new TestNG4751Configurator();

             }

             range = VersionRange.createFromVersionSpec( "[5.2]" );

             if ( range.containsVersion( version ) )

             {

                 return new TestNG52Configurator();

             }

             range = VersionRange.createFromVersionSpec( "[5.3,)" );

             if ( range.containsVersion( version ) )

             {

                 return new TestNGMapConfigurator();

             }

             throw new TestSetFailedException( "Unknown TestNG version " + version );

         }

         catch ( InvalidVersionSpecificationException invsex )

         {

             throw new TestSetFailedException( "Bug in plugin. Please report it with the attached stacktrace", invsex );

         }

     }

     private static void postConfigure( TestNG testNG, String sourcePath, RunListener reportManager, TestNgTestSuite suite,

                                        File reportsDirectory )

         throws TestSetFailedException

     {

         // turn off all TestNG output

         testNG.setVerbose( 0 );

         TestNGReporter reporter = createTestNGReporter( reportManager, suite );

         testNG.addListener( (Object) reporter );

         // FIXME: use classifier to decide if we need to pass along the source dir (onyl for JDK14)

         if ( sourcePath != null )

         {

             testNG.setSourcePath( sourcePath );

         }

         testNG.setOutputDirectory( reportsDirectory.getAbsolutePath() );

     }

     // If we have access to IResultListener, return a ConfigurationAwareTestNGReporter

     // But don't cause NoClassDefFoundErrors if it isn't available; just return a regular TestNGReporter instead

     private static TestNGReporter createTestNGReporter( RunListener reportManager, TestNgTestSuite suite )

     {

         try

         {

             Class.forName( "org.testng.internal.IResultListener" );

             Class c = Class.forName( "org.apache.maven.surefire.testng.ConfigurationAwareTestNGReporter" );

             try

             {

                 Constructor ctor = c.getConstructor( new Class[]{ RunListener.class, TestNgTestSuite.class } );

                 return (TestNGReporter) ctor.newInstance( new Object[]{ reportManager, suite } );

             }

             catch ( Exception e )

             {

                 throw new NestedRuntimeException( "Bug in ConfigurationAwareTestNGReporter", e );

             }

         }

         catch ( ClassNotFoundException e )

         {

             return new TestNGReporter( reportManager );

         }

     }

 }