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<?php |
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namespace BenTools\Currency\Tests\Provider; |
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use BenTools\Currency\Cache\ArrayCache; |
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use BenTools\Currency\Model\Currency; |
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use BenTools\Currency\Model\CurrencyInterface; |
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use BenTools\Currency\Model\ExchangeRate; |
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use BenTools\Currency\Model\ExchangeRateInterface; |
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use BenTools\Currency\Provider\ExchangeRateProviderInterface; |
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use BenTools\Currency\Provider\PSR16CacheProvider; |
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use DateTimeInterface; |
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use PHPUnit\Framework\TestCase; |
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class PSR16CacheProviderTest extends TestCase |
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{ |
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public function testGetExchangeRate() |
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{ |
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$liveProvider = new class implements ExchangeRateProviderInterface |
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{ |
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private $counter = 0; |
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public function getExchangeRate(CurrencyInterface $sourceCurrency, CurrencyInterface $targetCurrency, DateTimeInterface $date = null): ExchangeRateInterface |
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{ |
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$this->counter++; |
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return new ExchangeRate($sourceCurrency, $targetCurrency, 0.812); |
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} |
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/** |
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* @return int |
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*/ |
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public function getCounter(): int |
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{ |
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return $this->counter; |
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} |
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}; |
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$cache = new ArrayCache(); |
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$cachedProvider = new PSR16CacheProvider($liveProvider, $cache); |
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$EUR = new Currency('EUR'); |
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$USD = new Currency('USD'); |
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$exchangeRate = $cachedProvider->getExchangeRate($USD, $EUR); |
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$this->assertEquals(0.812, $exchangeRate->getRatio()); |
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$this->assertEquals(1, $liveProvider->getCounter()); |
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$exchangeRate = $cachedProvider->getExchangeRate($USD, $EUR); |
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$this->assertEquals(0.812, $exchangeRate->getRatio()); |
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$this->assertEquals(1, $liveProvider->getCounter()); |
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} |
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} |
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bpolaszek /
currency
