public void CancelButtonClicked_Test()
{
// arrange
var fakeView = A.Fake <IMainWindow>();
var fakeRepo = A.Fake <IInvoiceRepository>();
var fakeInvoiceModel = A.Fake <IInvoiceModel>();
var presenter = new MainPresenter(fakeView, fakeRepo, fakeInvoiceModel);
presenter.NewInvoiceButtonClicked(null, null);
// act
presenter.CancelButtonClicked(null, null);
// assert
Assert.IsTrue(fakeView.NewInvoiceButtonEnabled);
Assert.IsFalse(fakeView.SaveAndEmailButtonEnabled);
Assert.IsFalse(fakeView.CancelButtonEnabled);
Assert.IsFalse(fakeView.RadioButtonMonthlyEnabled);
Assert.IsFalse(fakeView.RadioButtonCustomEnabled);
Assert.IsFalse(fakeView.MonthComboboxEnabled);
Assert.IsFalse(fakeView.YearTextBoxEnabled);
Assert.IsFalse(fakeView.CustomTitleTextBoxEnabled);
Assert.IsFalse(fakeView.ItemDescriptionTextBoxEnabled);
Assert.IsFalse(fakeView.ItemAmountTextBoxEnabled);
Assert.IsFalse(fakeView.ItemQuantityUpDownEnabled);
Assert.IsFalse(fakeView.AddItemButtonEnabled);
Assert.IsFalse(fakeView.ItemsListViewEnabled);
Assert.IsFalse(fakeView.DuplicateItemButtonEnabled);
Assert.IsFalse(fakeView.RemoveItemButtonEnabled);
Assert.AreEqual("", fakeView.CustomTitleText);
Assert.AreEqual("", fakeView.ItemDescription);
Assert.AreEqual("", fakeView.ItemAmount);
Assert.AreEqual("", fakeView.Year);
Assert.AreEqual("", fakeView.Month);
Assert.AreEqual(1, fakeView.ItemQuantity);
Assert.AreEqual("0.00", fakeView.TotalText);
}