public void Setup()
{
// Initilize Xamarin Forms
MockForms.Init();
// Activate the Datastore
DependencyService.Register <MockDataStore>();
ViewModel = new ItemIndexViewModel();
// Load Data
ViewModel.ForceDataRefresh();
}
public async Task ItemIndexViewModel_Add_Valid_Should_Pass()
{
// Arrange
var data = new ItemModel
{
Name = "New Item"
};
// Act
var result = await ViewModel.Add(data);
// Reset
// Need to clear the added item, and reload the dataset
ViewModel.Dataset.Clear();
ViewModel.ForceDataRefresh();
// Assert
Assert.AreEqual(true, result); // Update returned Pass
}
public void ItemIndexViewModel_ExecuteLoadDataCommand_Valid_IsBusy_Should_Pass()
{
// Arrange
// Setting IsBusy will have the Load skip
ViewModel.IsBusy = true;
// Clear the Dataset, so no records
ViewModel.Dataset.Clear();
// Act
ViewModel.LoadDatasetCommand.Execute(null);
var count = ViewModel.Dataset.Count(); // Remember how many records exist
// Reset
ViewModel.IsBusy = false;
ViewModel.ForceDataRefresh();
// Assert
Assert.AreEqual(0, count); // Count of 0 for the load was skipped
}