protected function _prepareAddFilterStubs()
{
$entityInfo = [];
$entityInfo['entity_id_field'] = 'entity_id';
$entityInfo['rule_id_field'] = 'rule_id';
$entityInfo['associations_table'] = 'assoc_table';
$connection = $this->getMock('\\Magento\\Framework\\DB\\Adapter\\AdapterInterface');
$select = $this->getMock('\\Magento\\Framework\\DB\\Select', [], [], '', false);
$collectionSelect = $this->getMock('\\Magento\\Framework\\DB\\Select', [], [], '', false);
$connection->expects($this->any())->method('select')->will($this->returnValue($select));
$select->expects($this->any())->method('from')->will($this->returnSelf());
$select->expects($this->any())->method('where')->will($this->returnSelf());
$collectionSelect->expects($this->once())->method('exists');
$this->abstractCollection->expects($this->any())->method('getConnection')->will($this->returnValue($connection));
$this->_db->expects($this->any())->method('getTable')->will($this->returnArgument(0));
$this->abstractCollection->expects($this->any())->method('getSelect')->will($this->returnValue($collectionSelect));
$this->abstractCollection->expects($this->any())->method('_getAssociatedEntityInfo')->will($this->returnValue($entityInfo));
}
