public void ReceiptProperty()
{
var editExpense = new Mock <IEditExpense>();
var actual = new ReceiptPageViewModel(editExpense.Object);
Assert.NotNull(actual.Receipt);
Assert.Null(actual.Receipt.Value);
// First time.
var image = File.ReadAllBytes("lena.jpg");
editExpense.NotifyPropertyChanged(m => m.Receipt, new MediaFile(".jpg", image));
Assert.NotNull(actual.Receipt.Value);
var first = actual.Receipt.Value;
// Second time.
editExpense.NotifyPropertyChanged(m => m.Receipt, new MediaFile(".jpg", image));
var second = actual.Receipt.Value;
Assert.NotEqual(first, second);
// Destory
actual.Destroy();
editExpense.NotifyPropertyChanged(m => m.Receipt, new MediaFile(".jpg", image));
Assert.Equal(second, actual.Receipt.Value);
}
public void TakePhotoAsyncCommandWhenIsTakePhotoSupportedFalse()
{
var editExpense = new Mock <IEditExpense>();
editExpense.Setup(m => m.IsTakePhotoSupported).Returns(false);
var actual = new ReceiptPageViewModel(editExpense.Object);
Assert.NotNull(actual.TakePhotoAsyncCommand);
Assert.False(actual.TakePhotoAsyncCommand.CanExecute());
}
public void PickPhotoAsyncCommand()
{
var editExpense = new Mock <IEditExpense>();
editExpense.Setup(m => m.IsPickPhotoSupported).Returns(true);
var actual = new ReceiptPageViewModel(editExpense.Object);
Assert.NotNull(actual.PickPhotoAsyncCommand);
Assert.True(actual.PickPhotoAsyncCommand.CanExecute());
actual.PickPhotoAsyncCommand.Execute();
editExpense.Verify(m => m.PickPhotoAsync(), Times.Once);
}
public ReceiptPage(SlipViewModel slipViewModel)
{
InitializeComponent();
try
{
receipt = slipViewModel;
CreateReceipt();
BindingContext = new ReceiptPageViewModel();
}
catch (Exception e)
{
DisplayAlert("Error", e.Message, "Ok");
}
}
public Page1()
{
BindingContext = viewModel = new ReceiptPageViewModel();
InitializeComponent();
}
