public void passing_an_object_that_is_not_an_AccountTagViewModel_to_RemoveAccountTag_method_causes_an_exception()
{
var account = new Account(1, "HSBC current", AccountType.Asset);
var vm = new AccountViewModel(account, _mockAccountRepository, _mockAccountTagRepository);
Assert.Throws<ArgumentException>(() => vm.RemoveAccountTag(account, null));
}
public void can_remove_an_AccountTag_from_an_Account_by_calling_RemoveAccountTag_method()
{
var tag1 = new AccountTag(1, "Entertainment");
var tag2 = new AccountTag(2, "Food");
var tag3 = new AccountTag(3, "Services");
var account = new Account(1, "HSBC current", AccountType.Asset);
account.AddTag(tag1);
account.AddTag(tag2);
account.AddTag(tag3);
var vm = new AccountViewModel(account, _mockAccountRepository, _mockAccountTagRepository);
vm.PropertyChanged += _changeCounter.HandlePropertyChange;
ObservableCollection<AccountTagViewModel> tagVMs = vm.AccountTags;
var tagVMToRemove = tagVMs.First(x => x.TagName == "Food");
Expect.Once.On(_mockAccountRepository).Method("Save").With(account);
vm.RemoveAccountTag(tagVMToRemove, null);
var tagIdsInViewModel = tagVMs.Select(x => x.TagId).ToList();
Assert.AreEqual(2, tagVMs.Count);
Assert.IsFalse(tagIdsInViewModel.Contains(2));
Assert.IsTrue(tagIdsInViewModel.Contains(1));
Assert.IsTrue(tagIdsInViewModel.Contains(3));
Assert.AreEqual(1, _changeCounter.NoOfPropertiesChanged);
Assert.AreEqual(1, _changeCounter.TotalChangeCount);
Assert.AreEqual(1, _changeCounter.ChangeCount("AccountTags"));
_mocks.VerifyAllExpectationsHaveBeenMet();
}