public void AddExpenseShouldIncreaseExpenseAfterItWasAlreadyAdded()
{
var list = new ExpenseList();
var expenseValue = new Money(10m);
list.AddExpense(new Expense(Id, expenseValue));
list.AddExpense(new Expense(Id, expenseValue));
var updatedExpense = list.GetExpense(Id);
Assert.AreEqual(new Money(20m), updatedExpense.Value);
}
public void AddExpenseShouldIncreaseTotalWithTheExpense()
{
var list = new ExpenseList();
var expense = new Money(10m);
list.AddExpense(new Expense(Id, expense));
var totalExpense = list.TotalExpensesValue;
Assert.AreEqual(expense, totalExpense);
}
public void GetExpenseShouldReturnExpenseAfterItWasAddedWithAddExpenseUsingSameId()
{
var list = new ExpenseList();
var expenseValue = new Money(10m);
list.AddExpense(new Expense(Id, expenseValue));
var result = list.GetExpense(Id);
Assert.AreEqual(expenseValue, result.Value);
}
public ExpenseList CalculateExpenses(IEnumerable <Journey> journeys)
{
var expenseList = new ExpenseList();
foreach (var journey in journeys)
{
var journeyExpense = _journeyCostPolicy.CalculateCost(journey);
expenseList.AddExpense(journeyExpense);
}
return(expenseList);
}