public void DateProperty()
{
var navigationService = new Mock <INavigationService>();
var editExpense = new Mock <IEditExpense>();
editExpense.Setup(m => m.Date).Returns(DateTime.MinValue);
var actual = new AddExpensePageViewModel(navigationService.Object, editExpense.Object);
Assert.NotNull(actual.Date);
Assert.Equal(DateTime.MinValue, actual.Date.Value);
// ViewMode -> Model
actual.Date.Value = DateTime.MaxValue;
editExpense.VerifySet(x => x.Date = DateTime.MaxValue, Times.Once);
// Model -> ViewModel
editExpense.NotifyPropertyChanged(m => m.Date, DateTime.MinValue);
Assert.Equal(DateTime.MinValue, actual.Date.Value);
// Destroy
actual.Destroy();
editExpense.NotifyPropertyChanged(m => m.Date, DateTime.MaxValue);
Assert.NotEqual(DateTime.MaxValue, actual.Date.Value);
}
public void SelectedCategoryIndexProperty()
{
var navigationService = new Mock <INavigationService>();
var editExpense = new Mock <IEditExpense>();
var actual = new AddExpensePageViewModel(navigationService.Object, editExpense.Object);
Assert.NotNull(actual.SelectedCategoryIndex);
Assert.Equal(-1, actual.SelectedCategoryIndex.Value);
// Model -> ViewModel
var category1 = new Category {
Id = "category1"
};
var category2 = new Category {
Id = "category2"
};
var categories = new[] { category1, category2 };
editExpense.NotifyPropertyChanged(m => m.Categories, categories);
editExpense.NotifyPropertyChanged(m => m.SelectedCategory, category2);
Assert.Equal(1, actual.SelectedCategoryIndex.Value);
// ViewMode -> Model
actual.SelectedCategoryIndex.Value = 0;
editExpense.VerifySet(m => m.SelectedCategory = category1, Times.Once);
// Destroy
actual.Destroy();
editExpense.NotifyPropertyChanged(m => m.SelectedCategory, category1);
Assert.NotEqual(2, actual.SelectedCategoryIndex.Value);
}
public void NoteProperty()
{
var navigationService = new Mock <INavigationService>();
var editExpense = new Mock <IEditExpense>();
var actual = new AddExpensePageViewModel(navigationService.Object, editExpense.Object);
Assert.NotNull(actual.Note);
Assert.Null(actual.Note.Value);
// ViewMode -> Model
actual.Note.Value = "SetValue";
editExpense.VerifySet(x => x.Note = "SetValue", Times.Once);
// Model -> ViewModel
editExpense.NotifyPropertyChanged(m => m.Note, "UpdateValue");
Assert.Equal("UpdateValue", actual.Note.Value);
// Destroy
actual.Destroy();
editExpense.NotifyPropertyChanged(m => m.Note, "Destroy");
Assert.NotEqual("Destroy", actual.Note.Value);
}
public void AmountProperty()
{
var navigationService = new Mock <INavigationService>();
var editExpense = new Mock <IEditExpense>();
var actual = new AddExpensePageViewModel(navigationService.Object, editExpense.Object);
Assert.NotNull(actual.Amount);
Assert.Equal(0, actual.Amount.Value);
// ViewMode -> Model
actual.Amount.Value = 1;
editExpense.VerifySet(x => x.Amount = 1, Times.Once);
// Model -> ViewModel
editExpense.NotifyPropertyChanged(m => m.Amount, 2);
Assert.Equal(2, actual.Amount.Value);
// Destroy
actual.Destroy();
editExpense.NotifyPropertyChanged(m => m.Amount, 3);
Assert.NotEqual(3, actual.Amount.Value);
}
public void Categories()
{
var navigationService = new Mock <INavigationService>();
var editExpense = new Mock <IEditExpense>();
var actual = new AddExpensePageViewModel(navigationService.Object, editExpense.Object);
Assert.NotNull(actual.Categories);
Assert.NotNull(actual.Categories.Value);
Assert.Equal(0, actual.Categories.Value.Count());
var categories =
new []
{
new Category {
Name = "category1", SortOrder = 1
},
new Category {
Name = "category2", SortOrder = 0
}
};
editExpense.NotifyPropertyChanged(m => m.Categories, categories);
// Model -> ViewModel
var actualCategory = actual.Categories.Value?.ToList();
Assert.NotNull(actualCategory);
Assert.Equal(2, actualCategory.Count);
Assert.Equal("category2", actualCategory[0]);
Assert.Equal("category1", actualCategory[1]);
// Destroy
actual.Destroy();
editExpense.NotifyPropertyChanged(m => m.Categories, new Category[] { });
Assert.NotEqual(0, actual.Categories.Value.Count());
}
public void SaveAsyncCommand()
{
var navigationService = new Mock <INavigationService>();
var editExpense = new Mock <IEditExpense>();
editExpense.Setup(m => m.Location).Returns("Location");
var actual = new AddExpensePageViewModel(navigationService.Object, editExpense.Object);
Assert.NotNull(actual.SaveAsyncCommand);
Assert.True(actual.SaveAsyncCommand.CanExecute());
actual.SaveAsyncCommand.Execute();
editExpense.Verify(m => m.SaveAsync(), Times.Once);
navigationService.Verify(m => m.GoBackAsync(null, null, true), Times.Once);
editExpense.NotifyPropertyChanged(m => m.Location, null);
Assert.False(actual.SaveAsyncCommand.CanExecute());
// Destroy
actual.Destroy();
editExpense.NotifyPropertyChanged(m => m.Location, "Location");
Assert.False(actual.SaveAsyncCommand.CanExecute());
}