package org.apache.tomcat.maven.it;
   
   /*
    * 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 org.apache.http.HttpResponse;
  import org.apache.http.client.ResponseHandler;
  import org.apache.http.client.methods.HttpGet;
  import org.apache.http.client.methods.HttpHead;
  import org.apache.http.impl.client.BasicResponseHandler;
  import org.apache.http.impl.client.DefaultHttpClient;
  import org.apache.http.params.HttpConnectionParams;
  import org.apache.http.params.HttpParams;
  import org.apache.maven.it.VerificationException;
  import org.apache.maven.it.Verifier;
  import org.apache.maven.it.util.ResourceExtractor;
  import org.junit.After;
  import org.junit.Before;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.File;
  import java.io.IOException;
  
  /**
   * Base class for all tests which have a war-project using the tomcat-maven-plugin below project-resources.
   *
   * @author Mark Michaelis
   */
  public abstract class AbstractWarProjectIT
  {
      private static final Logger LOG = LoggerFactory.getLogger( AbstractWarProjectIT.class );
  
      /**
       * This URL will be queried for content. It will also be used to wait for the startup of the webapp.
       *
       * @return the URL to ping
       */
      protected abstract String getWebappUrl();
  
      /**
       * Artifact ID of the war project. Needed to uninstall any artifacts.
       *
       * @return artifact ID of the war project under test
       */
      protected abstract String getWarArtifactId();
  
      /**
       * HttpClient to use to connect to the deployed web-application.
       */
      private DefaultHttpClient httpClient;
  
      /**
       * Helper for Maven-Integration-Tests.
       */
      protected Verifier verifier;
  
      /**
       * Where the war project got placed to.
       */
      protected File webappHome;
  
      @Before
      public void setUp()
          throws Exception
      {
          httpClient = new DefaultHttpClient();
  
          final HttpParams params = httpClient.getParams();
          HttpConnectionParams.setConnectionTimeout( params, getTimeout() );
          HttpConnectionParams.setSoTimeout( params, getTimeout() );
  
          webappHome = ResourceExtractor.simpleExtractResources( getClass(), "/" + getWarArtifactId() );
          verifier = new Verifier( webappHome.getAbsolutePath() );
  
          boolean debugVerifier = Boolean.getBoolean( "verifier.maven.debug" );
  
          verifier.setMavenDebug( debugVerifier );
          verifier.setDebugJvm( Boolean.getBoolean( "verifier.debugJvm" ) );
          verifier.displayStreamBuffers();
  
          verifier.deleteArtifact( "org.apache.tomcat.maven.it", getWarArtifactId(), "1.0-SNAPSHOT", "war" );
     }
 
     @After
     public void tearDown()
         throws Exception
     {
         httpClient.getConnectionManager().shutdown();
         verifier.resetStreams();
         verifier.deleteArtifact( "org.apache.tomcat.maven.it", getWarArtifactId(), "1.0-SNAPSHOT", "war" );
     }
 
     /**
      * Executes mvn verify and retrieves the response from the web application.
      *
      * @return the response given
      * @throws VerificationException if the verifier failed to execute the goal
      * @throws InterruptedException  if the execution got interrupted in some way
      */
     protected final String executeVerifyWithGet()
         throws VerificationException, InterruptedException, IOException
     {
         final String[] responseBodies = new String[]{ null };
 
         final Thread thread = new Thread( "webapp-response-retriever" )
         {
             @Override
             public void run()
             {
                 responseBodies[0] = getResponseBody( getTimeout() );
             }
         };
 
         thread.start();
 
         LOG.info( "Executing verify on " + webappHome.getAbsolutePath() );
         verifier.executeGoal( "verify" );
 
         verifier.displayStreamBuffers();
 
         thread.join();
 
         return responseBodies[0];
     }
 
     private String getResponseBody( int timeout )
     {
         String responseBody = null;
         final long startTime = System.currentTimeMillis();
         final long endTime = startTime + timeout;
         long currentTime = System.currentTimeMillis();
         try
         {
             while ( pingUrl() != 200 && currentTime < endTime )
             {
                 LOG.debug( "Ping..." );
                 Thread.sleep( 500 );
                 currentTime = System.currentTimeMillis();
             }
             if ( currentTime < endTime )
             {
                 responseBody = getResponseBody();
                 LOG.debug( "Received: " + responseBody );
             }
             else
             {
                 LOG.error( "Timeout met while trying to access web application." );
             }
         }
         catch ( IOException e )
         {
             LOG.error( "Exception while trying to access web application.", e );
         }
         catch ( InterruptedException e )
         {
             LOG.error( "Exception while trying to access web application.", e );
         }
         return responseBody;
     }
 
     private String getResponseBody()
         throws IOException
     {
         HttpGet httpGet = new HttpGet( getWebappUrl() );
         ResponseHandler<String> responseHandler = new BasicResponseHandler();
         return httpClient.execute( httpGet, responseHandler );
     }
 
     private int pingUrl()
     {
         final HttpHead httpHead = new HttpHead( getWebappUrl() );
         try
         {
             final HttpResponse response = httpClient.execute( httpHead );
             return response.getStatusLine().getStatusCode();
         }
         catch ( IOException e )
         {
             LOG.debug( "Ignoring exception while pinging URL " + httpHead.getURI(), e );
             return -1;
         }
     }
 
     protected int getTimeout()
     {
         return 15000;
     }
 
     protected static String getHttpItPort()
     {
         return System.getProperty( "its.http.port" );
     }
 
     protected static String getHttpsItPort()
     {
         return System.getProperty( "its.https.port" );
     }
 
     protected static String getAjpItPort()
     {
         return System.getProperty( "its.ajp.port" );
     }
 
 }