/**
* Retrieve region collection
*
* @return \Magento\Directory\Model\Resource\Region\Collection
*/
public function getRegionCollection()
{
if (!$this->_regionCollection) {
$this->_regionCollection = $this->_regCollectionFactory->create();
$this->_regionCollection->addCountryFilter($this->getAddress()->getCountryId())->load();
}
return $this->_regionCollection;
}
/**
* @dataProvider toOptionArrayDataProvider
* @param bool $isMultiselect
* @param array $countries
* @param array $regions
* @param array $expectedResult
*/
public function testToOptionArray($isMultiselect, $countries, $regions, $expectedResult)
{
$this->countryCollection->expects($this->once())->method('toOptionArray')->with(false)->will($this->returnValue(new \ArrayIterator($countries)));
$this->regionCollection->expects($this->once())->method('getIterator')->will($this->returnValue(new \ArrayIterator($regions)));
$this->assertEquals($expectedResult, $this->model->toOptionArray($isMultiselect));
}