public function getValueOptions()
{
if ($this->valueOptions !== null) {
return $this->valueOptions;
}
$countryCodes = $this->addressService->getCountryCodes();
$valueOptions = [];
foreach ($countryCodes as $countryCode) {
$valueOptions[$countryCode] = $this->countryCodeFormatter->format($countryCode);
}
$this->setValueOptions($valueOptions);
return $this->valueOptions;
}
/**
* @covers ::getCountryCodes
*/
public function testGetCountryCodesOnlyAccessesFilesystemOnce()
{
$addressService = new AddressService($this->options);
$this->assertSame(['US', 'UK', 'DE', 'FR'], $addressService->getCountryCodes());
$this->root->removeChild($this->root->url() . '/country-codes.php');
$this->assertSame(['US', 'UK', 'DE', 'FR'], $addressService->getCountryCodes());
}