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package org.apache.cayenne.datasource;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import java.sql.SQLException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class PoolDataSourceManagerTest {
private UnmanagedPoolingDataSource mockPoolingDataSource;
private PoolingDataSourceManager dataSourceManager;
@Before
public void before() throws SQLException {
this.mockPoolingDataSource = mock(UnmanagedPoolingDataSource.class);
this.dataSourceManager = new PoolingDataSourceManager(mockPoolingDataSource, 100);
}
@After
public void after() {
dataSourceManager.shutdown();
}
@Test
public void testRun_Manage() throws InterruptedException {
final int[] counter = new int[1];
doAnswer(new Answer<Object>() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
counter[0]++;
return null;
}
}).when(mockPoolingDataSource).managePool();
dataSourceManager.start();
// we can't predict the number of 'managePool' invocations, but it
// should be incrementing as the time goes
int c0 = counter[0];
assertEquals(0, c0);
Thread.sleep(300);
int c1 = counter[0];
assertTrue(c1 > c0);
Thread.sleep(300);
int c2 = counter[0];
assertTrue(c2 > c1);
}
}