public MainViewModelTests()
{
_predictor = Substitute.For <IPredictor>();
_predictor
.PredictAsync(Arg.Any <Stream>())
.Returns(new PredictionResult
{
Success = true,
Answer = "Test result",
PredictionTime = new DateTime(2000, 1, 1)
});
_displayAlertProvider = Substitute.For <IDisplayAlertProvider>();
_mediaFile = new MediaFile(
"/files/testfile",
() => new MemoryStream(),
() => new MemoryStream());
_media = Substitute.For <IMedia>();
_media.Initialize().Returns(Task.FromResult(true));
_media.IsPickPhotoSupported.Returns(true);
_media.IsTakePhotoSupported.Returns(true);
_media.IsCameraAvailable.Returns(true);
_media.PickPhotoAsync(Arg.Any <PickMediaOptions>()).Returns(Task.FromResult(_mediaFile));
_media.TakePhotoAsync(Arg.Any <StoreCameraMediaOptions>()).Returns(Task.FromResult(_mediaFile));
_mediaProvider = Substitute.For <IMediaProvider>();
_mediaProvider.Media.Returns(_media);
}