public function testMoveWithExistentFlatTable()
{
$flatTable = 'flat_table';
$flatDropName = 'flat_table_to_drop';
$temporaryFlatTableName = 'flat_tmp';
$describedColumns = array('column_11' => 'column_definition', 'column_2' => 'column_definition', 'column_3' => 'column_definition');
$flatColumns = array('column_1' => 'column_definition', 'column_2' => 'column_definition', 'column_3' => 'column_definition');
$selectMock = $this->getMock('Magento\\Framework\\DB\\Select', array(), array(), '', false);
$selectMock->expects($this->once())->method('from')->with(array('tf' => sprintf('%s_tmp_indexer', $flatTable)), array('column_2', 'column_3'));
$sql = md5(time());
$selectMock->expects($this->once())->method('insertFromSelect')->with($flatTable, array('column_2', 'column_3'))->will($this->returnValue($sql));
$this->_connectionMock->expects($this->once())->method('query')->with($sql);
$this->_connectionMock->expects($this->once())->method('select')->will($this->returnValue($selectMock));
$this->_connectionMock->expects($this->once())->method('isTableExists')->with($flatTable)->will($this->returnValue(true));
$this->_connectionMock->expects($this->once())->method('describeTable')->with($flatTable)->will($this->returnValue($describedColumns));
$this->_productIndexerHelper->expects($this->once())->method('getFlatColumns')->will($this->returnValue($flatColumns));
$this->_connectionMock->expects($this->once())->method('dropTable')->with(sprintf('%s_tmp_indexer', $flatTable));
$this->_resourceMock->expects($this->any())->method('getConnection')->with('write')->will($this->returnValue($this->_connectionMock));
$model = $this->_objectManager->getObject('Magento\\Catalog\\Model\\Indexer\\Product\\Flat\\Action\\Rows\\TableData', array('resource' => $this->_resourceMock, 'productIndexerHelper' => $this->_productIndexerHelper));
$model->move($flatTable, $flatDropName, $temporaryFlatTableName);
}