public void WhenViewModelIsCreated_ThenItRequestsAvailableTemplates()
{
bool loadRequested = false;
var repository = new Mock<IQuestionnaireRepository>();
repository.Setup(r =>
r.GetQuestionnaireTemplatesAsync(It.IsAny<Action<IOperationResult<IEnumerable<QuestionnaireTemplate>>>>()))
.Callback<Action<IOperationResult<IEnumerable<QuestionnaireTemplate>>>>(c => loadRequested = true);
var uiService = new Mock<ISingleViewUIService>();
var viewModel = new AvailableQuestionnaireTemplatesListViewModel(repository.Object, uiService.Object);
Assert.IsTrue(loadRequested);
Assert.AreEqual(0, viewModel.QuestionnaireTemplates.Count);
}
public void WhenInitialLoadOperationIscompleted_ThenViewModelPopulatesTheCollectionOfQuestionnaireTemplates()
{
Action<IOperationResult<IEnumerable<QuestionnaireTemplate>>> callback = null;
var repository = new Mock<IQuestionnaireRepository>();
repository.Setup(r =>
r.GetQuestionnaireTemplatesAsync(It.IsAny<Action<IOperationResult<IEnumerable<QuestionnaireTemplate>>>>()))
.Callback<Action<IOperationResult<IEnumerable<QuestionnaireTemplate>>>>(c => callback = c);
var uiService = new Mock<ISingleViewUIService>();
var viewModel = new AvailableQuestionnaireTemplatesListViewModel(repository.Object, uiService.Object);
Assert.AreEqual(0, viewModel.QuestionnaireTemplates.Count);
callback(CreateQuestionnaireTemplates());
Assert.AreEqual("Questionnaire #1", viewModel.QuestionnaireTemplates[0].Title);
Assert.AreEqual("Questionnaire #2", viewModel.QuestionnaireTemplates[1].Title);
}
public void WhenExecutingTheTakeSurveyCommand_ThenRequestsTransitionToQuestionnaireView()
{
var repository = new Mock<IQuestionnaireRepository>();
repository
.Setup(r => r.GetQuestionnaireTemplatesAsync(It.IsAny<Action<IOperationResult<IEnumerable<QuestionnaireTemplate>>>>()));
QuestionnaireTemplate templateRequested = null;
var uiServiceMock = new Mock<ISingleViewUIService>();
uiServiceMock
.Setup(svc => svc.ShowView(ViewNames.CompleteQuestionnaire, It.IsAny<QuestionnaireTemplate>()))
.Callback<string, QuestionnaireTemplate>((vn, qt) => templateRequested = qt);
var template = new QuestionnaireTemplate();
var templateViewModel =
new AvailableQuestionnaireTemplatesListViewModel(repository.Object, uiServiceMock.Object);
templateViewModel.TakeSurveyCommand.Execute(template);
Assert.AreSame(template, templateRequested);
}