/**
* @depends testAttemptToOverrideISOCurrency
*/
public function testAttemptToRemoveISOCurrency()
{
$euro = ISOCurrencyProvider::getInstance()->getCurrency('EUR');
DefaultCurrencyProvider::getInstance()->removeCurrency($euro);
$isoCurrencies = ISOCurrencyProvider::getInstance()->getAvailableCurrencies();
$this->assertCurrencyProviderContains($isoCurrencies, DefaultCurrencyProvider::getInstance());
}
/**
* Private constructor. Use `getInstance()` to obtain the singleton instance.
*/
private function __construct()
{
$this->configurableCurrencyProvider = new ConfigurableCurrencyProvider();
$this->currencyProviderChain = new CurrencyProviderChain();
$this->currencyProviderChain->addCurrencyProvider(ISOCurrencyProvider::getInstance());
$this->currencyProviderChain->addCurrencyProvider($this->configurableCurrencyProvider);
}
public function testGetAvailableCurrencies()
{
$providerChain = $this->createCurrencyProviderChain();
// Add a different GBP instance, that comes after the first one.
// The first instance available in the chain takes precedence.
$provider = new ConfigurableCurrencyProvider();
$provider->addCurrency(Currency::create('GBP', 999, 'A competing GBP instance', 6));
$providerChain->addCurrencyProvider($provider);
$isoCurrencyProvider = ISOCurrencyProvider::getInstance();
$this->assertCurrencyProviderContains(['EUR' => $isoCurrencyProvider->getCurrency('EUR'), 'GBP' => $isoCurrencyProvider->getCurrency('GBP'), 'USD' => $isoCurrencyProvider->getCurrency('USD'), 'CAD' => $isoCurrencyProvider->getCurrency('CAD')], $providerChain);
}
public function testGetAvailableCurrencies()
{
$provider = ISOCurrencyProvider::getInstance();
$eur = $provider->getCurrency('EUR');
$gbp = $provider->getCurrency('GBP');
$usd = $provider->getCurrency('USD');
$availableCurrencies = $provider->getAvailableCurrencies();
$this->assertGreaterThan(100, count($availableCurrencies));
foreach ($availableCurrencies as $currency) {
$this->assertInstanceOf(Currency::class, $currency);
}
$this->assertSame($eur, $availableCurrencies['EUR']);
$this->assertSame($gbp, $availableCurrencies['GBP']);
$this->assertSame($usd, $availableCurrencies['USD']);
}
