public void Equals_WithSameCurrencyFromAndTo_ShouldReturnTrue()
{
var exchangeRate1 = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
var exchangeRate2 = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
Assert.IsTrue(exchangeRate1.Equals(exchangeRate2));
Assert.IsTrue(exchangeRate2.Equals(exchangeRate1));
}
public void CanChangeFrom_TargetCurrencyCorrespond_ShouldReturnTrue()
{
var exchangeRate = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
string changeTo;
Assert.IsTrue(exchangeRate.CanChangeFrom(CURRENCY_NAME_2, out changeTo));
}
public void Equals_WithSameCurrencyToButNotFrom_ShouldReturnFalse()
{
var exchangeRate1 = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
var exchangeRate2 = ExchangeCurrency.Create(CURRENCY_NAME_3, CURRENCY_NAME_2, 0);
Assert.IsFalse(exchangeRate1.Equals(exchangeRate2));
Assert.IsFalse(exchangeRate2.Equals(exchangeRate1));
}
public void CanChangeFrom_CurrencyNotManaged_ShouldReturnFalse()
{
var exchangeRate = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
string changeTo;
Assert.IsFalse(exchangeRate.CanChangeFrom(CURRENCY_NAME_3, out changeTo));
}
public void ToString_ThroughExchange_ShoudReturnPath()
{
var directExchange = ThroughExchange.Create(ExchangeCurrency.Create("INI", "INT", 1), "INI", "TAR", new List <IExchangeCurrency>()
{
ExchangeCurrency.Create("INT", "TAR", 1),
});
Assert.AreEqual("INI;INT;TAR", directExchange.ToString());
}
public void CanChangeFrom_TargetCurrencyCorrespond_OutParamShouldBeEqualToInitialCurrency()
{
var exchangeRate = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
string changeTo;
exchangeRate.CanChangeFrom(CURRENCY_NAME_2, out changeTo);
Assert.AreEqual(CURRENCY_NAME_1, changeTo);
}
public void CanChangeFrom_CurrencyNotManaged_OutParamShouldBeNull()
{
var exchangeRate = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
string changeTo;
exchangeRate.CanChangeFrom(CURRENCY_NAME_3, out changeTo);
Assert.IsNull(changeTo);
}
public void Change_InitialSecondTargetFirst_ShouldReturnChangeExhangeRateValue()
{
const double expectedChangeResult = 3.14;
var exchangeRate = (ExchangeCurrency)ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
exchangeRate.SetNewRate(new ExchangeRateStub {
ChangeBackResult = expectedChangeResult
});
Assert.AreEqual(expectedChangeResult, exchangeRate.Change(CURRENCY_NAME_2, CURRENCY_NAME_1, 0));
}
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 Change_ExchangeRateChainExist_ShouldReturnExchangeRateResultRounded()
{
const int expectedChangeResult = 59033;
var bank = new Bank();
bank.AddExchangeRate(ExchangeCurrency.Create("AUD", "CHF", 0.9661));
bank.AddExchangeRate(ExchangeCurrency.Create("JPY", "KRW", 13.1151));
bank.AddExchangeRate(ExchangeCurrency.Create("EUR", "CHF", 1.2053));
bank.AddExchangeRate(ExchangeCurrency.Create("AUD", "JPY", 86.0305));
bank.AddExchangeRate(ExchangeCurrency.Create("EUR", "USD", 1.2989));
bank.AddExchangeRate(ExchangeCurrency.Create("JPY", "INR", 0.6571));
var changeResult = bank.Change("EUR", "JPY", 550);
Assert.AreEqual(expectedChangeResult, changeResult);
}
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());
}
public void Create_WithOnlyWhiteSpaceFromCurrencyName_ShouldThrowArgumentNullException()
{
ExchangeCurrency.Create(" ", null, 0);
}
public void Create_WithNullFromCurrencyName_ShouldThrowArgumentNullException()
{
ExchangeCurrency.Create(null, null, 0);
}
public void Change_TargetCurrencyNotManaged_ThrowArgumentException()
{
var exchangeRate = (ExchangeCurrency)ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
exchangeRate.Change(CURRENCY_NAME_1, CURRENCY_NAME_3, 0);
}
public void Equals_WithNull_ShouldReturnFalse()
{
var exchangeRate1 = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
Assert.IsFalse(exchangeRate1.Equals(null));
}
public void Create_WithSameFromAndToCurrencyName_ShouldThrowArgumentException()
{
ExchangeCurrency.Create(CURRENCY_NAME, CURRENCY_NAME, 0);
}
public void Create_WithOnlyWhiteSpaceToCurrencyName_ShouldThrowArgumentNullException()
{
ExchangeCurrency.Create(CURRENCY_NAME, " ", 0);
}
public void Create_WithEmptyToCurrencyName_ShouldThrowArgumentNullException()
{
ExchangeCurrency.Create(CURRENCY_NAME, string.Empty, 0);
}
public void CanChange_SwitchedInitialAndTargetCurrencyManaged_ShouldReturnTrue()
{
var exchangeRate = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
Assert.IsTrue(exchangeRate.CanChange(CURRENCY_NAME_2, CURRENCY_NAME_1));
}
public void Create_WithEmptyFromCurrencyName_ShouldThrowArgumentNullException()
{
ExchangeCurrency.Create(string.Empty, null, 0);
}
public void Create_WithNullToCurrencyName_ShouldThrowArgumentNullException()
{
ExchangeCurrency.Create(CURRENCY_NAME, null, 0);
}
public void CanChange_TargetCurrencyNotManaged_ShouldReturnFalse()
{
var exchangeRate = ExchangeCurrency.Create(CURRENCY_NAME_1, CURRENCY_NAME_2, 0);
Assert.IsFalse(exchangeRate.CanChange(CURRENCY_NAME_1, CURRENCY_NAME_3));
}