public void GetWeightsToNodeOnBreadthFirstSearch()
{
//Arrange
IEnumerable <Rates> rates = MockRates.GetRates();
Graph ratesGraph = rates.ToGraph();
GraphSolver graphSolver = new GraphSolver();
//Act
var ratesDict = graphSolver.GetWeightsToNodeOnBreadthFirstSearch(ratesGraph, "EUR");
//Assert
Assert.Empty(ratesDict["EUR"]);
Assert.Single(ratesDict["USD"]);
Assert.Equal(expected: (decimal)0.53, actual: ratesDict["USD"].ElementAt(0));
Assert.Equal(expected: 2, actual: ratesDict["AUD"].Count());
Assert.Equal(expected: (decimal)0.81, actual: ratesDict["AUD"].ElementAt(0));
Assert.Equal(expected: (decimal)0.53, actual: ratesDict["AUD"].ElementAt(1));
Assert.Equal(expected: 3, actual: ratesDict["CAD"].Count());
Assert.Equal(expected: (decimal)1.41, actual: ratesDict["CAD"].ElementAt(0));
Assert.Equal(expected: (decimal)0.81, actual: ratesDict["CAD"].ElementAt(1));
Assert.Equal(expected: (decimal)0.53, actual: ratesDict["CAD"].ElementAt(2));
}
public void CalculateTotalRateRounding()
{
//Arrange
IEnumerable <decimal> decimalRates = MockRates.GetDecimalRates();
AmountService amountService = new AmountService();
//Act
var amount = amountService.CalculateTotalRateRounding((decimal)13.25, decimalRates, 2, MidpointRounding.ToEven);
//Assert
Assert.Equal(expected: (decimal)8.02, actual: amount);
}
public void ToGraph()
{
//Arrange
IEnumerable <Rates> rates = MockRates.GetRates();
//Act
Graph ratesGraph = rates.ToGraph();
//Assert
Assert.Equal(expected: (decimal)1.89, actual: ratesGraph.Nodes["EUR"].GetWeight("USD"));
Assert.Equal(expected: (decimal)0.53, actual: ratesGraph.Nodes["USD"].GetWeight("EUR"));
Assert.Equal(expected: (decimal)0.81, actual: ratesGraph.Nodes["AUD"].GetWeight("USD"));
Assert.Equal(expected: (decimal)1.23, actual: ratesGraph.Nodes["USD"].GetWeight("AUD"));
Assert.Equal(expected: (decimal)0.71, actual: ratesGraph.Nodes["AUD"].GetWeight("CAD"));
Assert.Equal(expected: (decimal)1.41, actual: ratesGraph.Nodes["CAD"].GetWeight("AUD"));
}
public void ExchangeToCurrency()
{
//Arrange
GraphSolver graphSolver = new GraphSolver();
AmountService amountService = new AmountService();
TransactionBusinessService transactionBusinessService = new TransactionBusinessService(graphSolver, amountService, null);
IEnumerable <Transactions> transactions = MockTransactions.GetTransactions();
IEnumerable <Rates> rates = MockRates.GetRates();
//Act
var transactionsToCurrency = transactionBusinessService.ExchangeToCurrency(transactions, rates, "EUR");
//Assert
Assert.Equal(expected: (decimal)8.02, actual: transactionsToCurrency.ElementAt(0).Amount);
Assert.Equal(expected: (decimal)5.26, actual: transactionsToCurrency.ElementAt(1).Amount);
Assert.Equal(expected: (decimal)5.96, actual: transactionsToCurrency.ElementAt(2).Amount);
Assert.Equal(expected: (decimal)10.25, actual: transactionsToCurrency.ElementAt(3).Amount);
}