package liquibase.maven;
   
   import java.io.IOException;
   import java.io.File;
   import org.apache.maven.it.VerificationException;
   
   import org.apache.maven.it.Verifier;
   import org.apache.maven.it.util.ResourceExtractor;
   import org.junit.Test;
  import liquibase.database.Database;
  import liquibase.database.DatabaseConnection;
  import liquibase.database.DatabaseFactory;
  import liquibase.test.DatabaseTestContext;
  import org.junit.Before;
  import static org.junit.Assert.*;
  
  /**
   * Maven integration test. Run an update executing maven as if it was ran by the user
   * @author lujop
   */
  public class MavenIntegrationTest {
      private static final String URL="jdbc:hsqldb:file:target/test-classes/maven/liquibase;shutdown=true";
  
      @Before
      public void cleanDatabase() throws Exception {
           DatabaseConnection connection = DatabaseTestContext.getInstance().getConnection(URL);
           assertNotNull(connection);
           Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
           database.dropDatabaseObjects(null);
           database.close();
           DatabaseFactory.reset();
      }
  
      @Test
      public void testUpdate() throws Exception{        
          Verifier verifier=createVerifier();
  
          verifier.executeGoal( "clean" );
          verifier.executeGoal( "install" );
  
          //Verify everithing has gone well.
          verifier.verifyErrorFreeLog();
  
          //Reset the streams before executing the verifier
          verifier.resetStreams();
      }
      
      @Test
      public void testRollbackTag() throws Exception {
          Verifier verifier= createVerifier();
  
  
          verifier.executeGoal("clean");
          verifier.executeGoal("liquibase:tag");
          verifier.executeGoal("package"); //runs update that is bound to test phase
          verifier.executeGoal("liquibase:rollback");
          //If we can reupdate rollback has succeded
          verifier.executeGoal("liquibase:update");
  
          //Verify everithing has gone well.
          verifier.verifyErrorFreeLog();
  
          //Reset the streams before executing the verifier
          verifier.resetStreams();
      }
  
     private Verifier createVerifier() throws IOException, VerificationException {
          File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/maven" );
  
          //Clear any artifact created by the test project to avoid unstable test results
          Verifier verifier = new Verifier(testDir.getAbsolutePath());
          verifier.setAutoclean(false); //Don't do clean automatically in each executeGoal
          verifier.deleteArtifact("org.liquibase", "liquibase-maven-integration-tests", "1.0-SNAPSHOT", "jar");
          return verifier;
      }
      
  }