public void Create_EmptyTargetCurrency_ShouldThrowArgumentNullException()
{
var factory = new ExchangeChainFactory(new List <IExchangeCurrency> {
new ExchangeCurrencyStub()
});
Assert.IsNull(factory.Create(CURRENCY_NAME_1, string.Empty));
}
public void Create_EmptyInitialCurrency_ShouldThrowArgumentNullException()
{
var factory = new ExchangeChainFactory(new List <IExchangeCurrency> {
new ExchangeCurrencyStub()
});
Assert.IsNull(factory.Create(string.Empty, null));
}
public void Create_AvailableListCanNotChange_SouldReturnNullChain()
{
var availableExchangeList = new List <IExchangeCurrency>
{
ExchangeCurrencyStub.CreateExchangeWichCanDoNothing()
};
var factory = new ExchangeChainFactory(availableExchangeList);
Assert.IsNull(factory.Create(CURRENCY_NAME_1, CURRENCY_NAME_2));
}
public void Create_AvailableListContainsOneElementCanChangeDirectly_ChangeInvolveShouldBeEqualToOne()
{
var availableExchangeList = new List <IExchangeCurrency>
{
ExchangeCurrencyStub.CreateExchangeWichManageOnlyBothCurrency()
};
var factory = new ExchangeChainFactory(availableExchangeList);
var exchangeChain = factory.Create(CURRENCY_NAME_1, CURRENCY_NAME_2);
Assert.AreEqual(1, exchangeChain.CountPartInvolve);
}
public void FactoryCreate_SameCurrencyTwice_ShouldReturnRightPath()
{
var availableExchangeCurrency = new List <IExchangeCurrency>
{
ExchangeCurrency.Create("AAA", "BBB", 1),
ExchangeCurrency.Create("BBB", "CCC", 1),
ExchangeCurrency.Create("CCC", "BBB", 1)
};
var chainFactory = new ExchangeChainFactory(availableExchangeCurrency);
Assert.AreEqual("AAA;BBB;CCC", chainFactory.Create("AAA", "CCC").ToString());
}
public void Create_AvailableListContainsTwoElementCanChangeWithIntermediateFinalSwitched_ChangeInvolveShouldBeEqualToTwo()
{
var firstExchange = CreateIntermediateExchange(CURRENCY_NAME_1, CURRENCY_NAME_2, CURRENCY_NAME_3);
var secondExchange = CreateFinalExchange(CURRENCY_NAME_3, CURRENCY_NAME_2);
var availableExchangeList = new List <IExchangeCurrency> {
firstExchange, secondExchange
};
var factory = new ExchangeChainFactory(availableExchangeList);
var exchangeChain = factory.Create(CURRENCY_NAME_1, CURRENCY_NAME_3);
Assert.AreEqual(2, exchangeChain.CountPartInvolve);
}
public void FactoryCreate_Loop_ShouldReturnRightPath()
{
var availableExchangeCurrency = new List <IExchangeCurrency>
{
ExchangeCurrency.Create("EUR", "USD", 1),
ExchangeCurrency.Create("USD", "LIV", 1),
ExchangeCurrency.Create("USD", "CHF", 1),
ExchangeCurrency.Create("USD", "AUD", 1),
ExchangeCurrency.Create("CHF", "LIV", 1),
ExchangeCurrency.Create("CHF", "AUD", 1),
ExchangeCurrency.Create("CHF", "AUD", 1),
ExchangeCurrency.Create("LIV", "AUD", 1),
ExchangeCurrency.Create("JPY", "LIV", 1)
};
var chainFactory = new ExchangeChainFactory(availableExchangeCurrency);
Assert.AreEqual("EUR;USD;LIV;JPY", chainFactory.Create("EUR", "JPY").ToString());
}