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  package org.apache.cayenne.datasource;
  
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import java.sql.Connection;
  import java.sql.SQLException;
  
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  public class ManagedPoolingDataSourceTest {
  
  	private Connection[] mockConnections;
  	private UnmanagedPoolingDataSource mockPoolingDataSource;
  	private ManagedPoolingDataSource dataSource;
  
  	@Before
  	public void before() throws SQLException {
  
  		this.mockConnections = new Connection[4];
  		for (int i = 0; i < mockConnections.length; i++) {
  			mockConnections[i] = mock(Connection.class);
  		}
  
  		this.mockPoolingDataSource = mock(UnmanagedPoolingDataSource.class);
  		when(mockPoolingDataSource.getConnection()).thenReturn(mockConnections[0], mockConnections[1],
  				mockConnections[2], mockConnections[3]);
  
  		this.dataSource = new ManagedPoolingDataSource(mockPoolingDataSource);
  	}
  
  	@After
  	public void after() {
  		dataSource.beforeScopeEnd();
  	}
  
  	@Test
  	public void testGetConnection() throws SQLException {
  		assertSame(mockConnections[0], dataSource.getConnection());
  		assertSame(mockConnections[1], dataSource.getConnection());
  		assertSame(mockConnections[2], dataSource.getConnection());
  		assertSame(mockConnections[3], dataSource.getConnection());
  	}
  
  	@Test
  	public void testClose() throws SQLException, InterruptedException {
  		assertNotNull(dataSource.getConnection());
  
  		// state before shutdown
  		verify(mockPoolingDataSource, times(0)).close();
  		assertFalse(dataSource.getDataSourceManager().isStopped());
  		assertTrue(dataSource.getDataSourceManager().isAlive());
  
  		dataSource.close();
  
  		// state after shutdown
  		verify(mockPoolingDataSource, times(1)).close();
  		assertTrue(dataSource.getDataSourceManager().isStopped());
  
  		// give the thread some time to process interrupt and die
  		Thread.sleep(200);
  		assertFalse(dataSource.getDataSourceManager().isAlive());
  
  		try {
  			dataSource.getConnection();
  		} catch (SQLException e) {
  			// expected , DataSource should not give out connections any longer
  		}
  	}
  
  }
  