A
last analyzed

Complexity

Conditions 3

Size

Total Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 8
rs 10
c 0
b 0
f 0
cc 3
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<?php
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namespace BenTools\Currency\Tests\Provider;
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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\Model\ExchangeRateNotFoundException;
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use BenTools\Currency\Provider\ChainedExchangeRateProvider;
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use BenTools\Currency\Provider\ExchangeRateProviderInterface;
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use BenTools\Currency\Tests\ProviderMockTrait;
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use PHPUnit\Framework\TestCase;
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use DateTimeInterface;
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class ChainedExchangeRateProviderTest extends TestCase
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{
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    use ProviderMockTrait;
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    public function testGetFirstExchangeRate()
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    {
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        $provider = new ChainedExchangeRateProvider([
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            $this->generateFakeProvider(1.2),
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            $this->generateFakeProvider(1.3),
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        ]);
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        $this->assertEquals(1.2, $provider->getExchangeRate(new Currency('EUR'), new Currency('USD'))->getRatio());
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    }
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    public function testFallback()
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    {
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        $GBPtoEURProvider = new class implements ExchangeRateProviderInterface
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        {
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            public function getExchangeRate(CurrencyInterface $sourceCurrency, CurrencyInterface $targetCurrency, DateTimeInterface $date = null): ExchangeRateInterface
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            {
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                if ('GBP' === $sourceCurrency->getCode() && 'EUR' === $targetCurrency->getCode()) {
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                    return new ExchangeRate($sourceCurrency, $targetCurrency, 1.15);
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                }
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                throw new ExchangeRateNotFoundException($sourceCurrency, $targetCurrency);
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            }
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        };
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        $USDtoEURProvider = new class implements ExchangeRateProviderInterface
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        {
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            public function getExchangeRate(CurrencyInterface $sourceCurrency, CurrencyInterface $targetCurrency, DateTimeInterface $date = null): ExchangeRateInterface
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            {
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                if ('USD' === $sourceCurrency->getCode() && 'EUR' === $targetCurrency->getCode()) {
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                    return new ExchangeRate($sourceCurrency, $targetCurrency, 0.81);
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                }
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                throw new ExchangeRateNotFoundException($sourceCurrency, $targetCurrency);
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            }
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        };
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        $provider = new ChainedExchangeRateProvider([$GBPtoEURProvider, $USDtoEURProvider]);
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        $this->assertEquals(0.81, $provider->getExchangeRate(new Currency('USD'), new Currency('EUR'))->getRatio());
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    }
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}
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