/**
* Validates response from server from National Bank of Serbia.
*
* <b>NOTE TO READER:</b> This is not proper test against returned response. Proper test would check response against
* XMLSchema, however, IT department of National Bank of Serbia apparently does not think that it is convenient to deliver
* XMLSchema with XML document. I wonder if they have it at all...
*
* @param string $rateType
*/
protected function assertXmlDocumentIsValid($rateType)
{
$browser = new NbsBrowser();
$xmlContent = $browser->getXmlDocument(new \DateTime('now'), $rateType)->getContents();
$parser = new XmlParser();
$stream = fopen('php://memory', 'r+');
fwrite($stream, $xmlContent);
rewind($stream);
$parser->parse(new Stream($stream), \Closure::bind(function ($rates) {
$this->assertTrue(count($rates) > 0);
}, $this));
switch ($rateType) {
case 'default':
$this->assertContains('OFFICIAL MIDDLE EXCHANGE RATE OF THE DINAR', $xmlContent, 'Should be XML with median exchange rates.');
break;
case 'foreign_cash_buying':
$this->assertContains('FOREIGN CASH', $xmlContent, 'Should be XML with foreign cash rates.');
break;
case 'foreign_exchange_buying':
$this->assertContains('FOREIGN EXCHANGE', $xmlContent, 'Should be XML with foreign exchange rates.');
break;
}
}
/**
* Load rates from National Bank of Serbia website.
*
* @param \DateTime $date
* @param string $rateType
* @return RateInterface[]
* @throws SourceNotAvailableException
*/
private function load(\DateTime $date, $rateType)
{
$parser = new XmlParser();
$parser->parse($this->browser->getXmlDocument($date, $rateType), \Closure::bind(function ($rates) {
/**
* @var RateInterface $rate
*/
foreach ($rates as $rate) {
if (!array_key_exists($rate->getRateType(), $this->cache)) {
$this->cache[$rate->getRateType()] = array();
}
$this->cache[$rate->getRateType()][$rate->getCurrencyCode()] = $rate;
}
}, $this));
}
