public async Task HandleAsync(ModifyExpenseCommand message, CancellationToken token = default(CancellationToken))
{
var expense = await _expenses.GetByIdAsync(message.ExpenseId);
if (expense == null)
{
throw new HouseholdException($"Expense {message.ExpenseId} doesn't exists");
}
expense.Modify(message.ExpenseTypeId, message.Name, message.Description, message.Amount,
message.Date, Period.Create(message.PeriodStart, message.PeriodEnd), message.Version);
await _expenses.SaveChangesAsync(token);
}
public async Task ShouldModifyExisting()
{
// Arrange
Guid expectedId = Guid.NewGuid();
string expectedName = "Modified Name";
Expense entity = Expense.Create(expectedId, Guid.NewGuid(), Guid.NewGuid(), "Name", "Description",
0.12m, DateTime.Now, Period.Create(DateTime.Now, DateTime.Now));
var repository = new Mock <IExpenseRepository>();
repository.Setup(
e => e.GetByIdAsync(It.IsAny <Guid>(), It.IsAny <CancellationToken>())).ReturnsAsync(entity);
ModifyExpenseCommand cmd =
new ModifyExpenseCommand(expectedId, Guid.NewGuid(), expectedName, "Description",
0.12m, DateTime.Now, DateTime.Now, DateTime.Now, 1);
ExpenseCommandHandler actual = new ExpenseCommandHandler(repository.Object);
// Act
await actual.HandleAsync(cmd);
// Assert
Assert.IsTrue(entity.Id == expectedId);
Assert.IsTrue(entity.Name == expectedName);
}
