public void OnRandomModule_ShouldGetRootControllerOfRandomModule()
{
TestableGenericPlcViewModel viewModel = CreateTestableGenericPlcViewModel(moduleName: _randomModule);
viewModel.Activate();
_informationProvider.Verify(x => x.LoadRootController(_randomModule));
}
public void ShouldChangeToLoadingState()
{
TestableGenericPlcViewModel viewModel = CreateTestableGenericPlcViewModel();
viewModel.Activate();
_states.Verify(x => x.ChangeToLoadingState());
}
public void OnInformationProviderWithError_ShouldChangeToErrorState()
{
_informationProvider.Setup(x => x.LoadRootController(It.IsAny <string>())).Throws(new InvalidOperationException());
TestableGenericPlcViewModel viewModel = CreateTestableGenericPlcViewModel();
viewModel.Activate();
_states.Verify(x => x.ChangeToErrorState(It.IsAny <string>()));
}
public void OnExistingModule_ShouldChangeToContentState()
{
_informationProvider.Setup(x => x.LoadRootController(It.IsAny <string>())).Returns(Task.FromResult(new Controller()));
TestableGenericPlcViewModel viewModel = CreateTestableGenericPlcViewModel();
viewModel.Activate();
_states.Verify(x => x.ChangeToContentState());
}
public void OnInformationProviderWithRandomError_ShouldExposeRandomError()
{
string randomError = CreateRandom.String();
_informationProvider.Setup(x => x.LoadRootController(It.IsAny <string>())).Throws(new InvalidOperationException(randomError));
TestableGenericPlcViewModel viewModel = CreateTestableGenericPlcViewModel();
viewModel.MonitorEvents();
viewModel.Activate();
_states.Verify(s => s.ChangeToErrorState(It.Is <string>(e => e.Contains(randomError))));
}
public void OnPreviouslyDeactivatedViewModel_ShouldSubscribeForSelectedItem()
{
int randomController = CreateRandom.Int();
TestableGenericPlcViewModel viewModel = CreateTestableGenericPlcViewModel(moduleName: _randomModule);
MasterDetailViewModel anyController = MasterDetailViewModel(_randomModule, randomController);
viewModel.MasterTree.Add(anyController);
viewModel.SelectedItem = anyController;
viewModel.Deactivate();
viewModel.Activate();
_informationProvider.Verify(x => x.SubscribeForControllerChanges(_randomModule, randomController, It.IsAny <Action <Controller> >()));
}