Assert.assertEquals(1, dataSource.getPoolingCount());
Assert.assertEquals(1, dataSource.getCreateCount());
}
DruidPooledConnection conn = dataSource.getConnection();
MockConnection mockConn = conn.unwrap(MockConnection.class);
Assert.assertNotNull(mockConn);
conn.setAutoCommit(false);
PreparedStatement stmt = conn.prepareStatement(sql);
stmt.execute();
SQLException exception = new SQLException("xx", "xxx", 28);
mockConn.setError(exception);
Exception rollbackError = null;
try {
conn.rollback();
} catch (Exception ex) {