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  package org.apache.cayenne.datasource;
  
  import java.sql.Driver;
  import java.sql.SQLException;
  
  import org.apache.cayenne.configuration.DataSourceDescriptor;
  import org.apache.cayenne.di.AdhocObjectFactory;
  import org.apache.cayenne.di.Inject;
  import org.apache.cayenne.unit.di.runtime.CayenneProjects;
  import org.apache.cayenne.unit.di.runtime.RuntimeCase;
  import org.apache.cayenne.unit.di.runtime.UseCayenneRuntime;
  import org.junit.After;
  import org.junit.Before;
  
  @UseCayenneRuntime(CayenneProjects.TESTMAP_PROJECT)
  public class BasePoolingDataSourceIT extends RuntimeCase {
  
  	protected static final long QUEUE_WAIT_TIME = 1000L;
  
  	@Inject
  	private DataSourceDescriptor dataSourceInfo;
  
  	@Inject
  	private AdhocObjectFactory objectFactory;
  
  	protected UnmanagedPoolingDataSource dataSource;
  
  	@Before
  	public void before() throws SQLException {
  
  		Driver driver = objectFactory.newInstance(Driver.class, dataSourceInfo.getJdbcDriver());
  		DriverDataSource nonPooling = new DriverDataSource(driver, dataSourceInfo.getDataSourceUrl(),
  				dataSourceInfo.getUserName(), dataSourceInfo.getPassword());
  
  		PoolingDataSourceParameters poolParameters = createParameters();
  		this.dataSource = new UnmanagedPoolingDataSource(nonPooling, poolParameters);
  	}
  
  	@After
  	public void after() throws SQLException {
  		if (dataSource != null) {
  			dataSource.close();
  		}
  	}
  
  	protected PoolingDataSourceParameters createParameters() {
  		PoolingDataSourceParameters poolParameters = new PoolingDataSourceParameters();
  		poolParameters.setMinConnections(2);
  		poolParameters.setMaxConnections(3);
  		poolParameters.setMaxQueueWaitTime(QUEUE_WAIT_TIME);
  		return poolParameters;
  	}
  
  }
  