public void SessionStatisticsCannotBeCreatedWithoutParameters()
{
ISessionStatistics sessionStatistics;
var creationResult = SessionStatisticsFactory.CreateSessionStatistics(null, out sessionStatistics);
Assert.IsNull(sessionStatistics);
Assert.AreEqual(SessionValidationResult.SessionNull, creationResult);
}
public void SessionStatistisCalculatesValidData()
{
ISession session;
var sessionCreationResult = SessionFactory.CreateSession(new SessionParameters(), out session);
Assert.AreEqual(ParametersValidationResult.Valid, sessionCreationResult);
ISessionStatistics sessionStatistics;
var sessionStatisticsCreationResult = SessionStatisticsFactory.CreateSessionStatistics(session, out sessionStatistics);
Assert.AreEqual(SessionValidationResult.Valid, sessionStatisticsCreationResult);
Assert.AreEqual(1, sessionStatistics.TakenTickets);
Assert.AreEqual(0, sessionStatistics.PassedTickets);
Assert.AreEqual(0, sessionStatistics.PassedTicketsPercentage);
Assert.AreEqual(20, sessionStatistics.TakenQuestions);
Assert.AreEqual(0, sessionStatistics.PassedQuestions);
Assert.AreEqual(0, sessionStatistics.PassedQuestionsPercentage);
var answers = session.Tickets.SelectMany(ticket => ticket.Questions).SelectMany(question => question.Answers);
foreach (var answer in answers)
{
if (answer.IsRight)
{
answer.IsSelected = true;
}
}
sessionStatisticsCreationResult = SessionStatisticsFactory.CreateSessionStatistics(session, out sessionStatistics);
Assert.AreEqual(SessionValidationResult.Valid, sessionStatisticsCreationResult);
Assert.AreEqual(1, sessionStatistics.TakenTickets);
Assert.AreEqual(1, sessionStatistics.PassedTickets);
Assert.AreEqual(100, sessionStatistics.PassedTicketsPercentage);
Assert.AreEqual(20, sessionStatistics.TakenQuestions);
Assert.AreEqual(20, sessionStatistics.PassedQuestions);
Assert.AreEqual(100, sessionStatistics.PassedQuestionsPercentage);
bool isSelected = false;
foreach (var answer in answers)
{
if (answer.IsSelected)
{
answer.IsSelected = isSelected;
isSelected = !isSelected;
}
}
sessionStatisticsCreationResult = SessionStatisticsFactory.CreateSessionStatistics(session, out sessionStatistics);
Assert.AreEqual(SessionValidationResult.Valid, sessionStatisticsCreationResult);
Assert.AreEqual(1, sessionStatistics.TakenTickets);
Assert.AreEqual(0, sessionStatistics.PassedTickets);
Assert.AreEqual(0, sessionStatistics.PassedTicketsPercentage);
Assert.AreEqual(20, sessionStatistics.TakenQuestions);
Assert.AreEqual(10, sessionStatistics.PassedQuestions);
Assert.AreEqual(50, sessionStatistics.PassedQuestionsPercentage);
}
public void SessionStatisticsCannotBeCreatedWithInvalidParameters()
{
Session session = new Session();
ISessionStatistics sessionStatistics;
var creationResult = SessionStatisticsFactory.CreateSessionStatistics(session, out sessionStatistics);
Assert.IsNull(sessionStatistics);
Assert.AreEqual(SessionValidationResult.NoTickets, creationResult);
session.Tickets = new Ticket[] { new Ticket() };
creationResult = SessionStatisticsFactory.CreateSessionStatistics(session, out sessionStatistics);
Assert.IsNull(sessionStatistics);
Assert.AreEqual(SessionValidationResult.NoQuestions, creationResult);
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached.
/// This parameter is typically used to configure the page.</param>
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
HardwareButtons.BackPressed += HardwareButtons_BackPressed;
if (e.NavigationMode != NavigationMode.New)
{
string sessionState = await SettingSaver.GetSettingFromFile(GlobalConstants.sesstionState);
session = Serializer.DeserializeFromString <Session>(sessionState);
}
else
{
session = Serializer.DeserializeFromString <Session>(e.Parameter as string);
}
ISessionStatistics statistics;
var creationResult = SessionStatisticsFactory.CreateSessionStatistics(session, out statistics);
gridResults.DataContext = statistics;
}
