public ExerciseWrapper PostAnswer([FromBody] ExerciseAnswer answer)
{
var isRightAnswer = _exerciseHelper.IsRightAnswer(answer);
Exercise newExercise = null;
ExerciseStatus exerciseStatus;
if (isRightAnswer)
{
if (_exerciseHelper.IsEndOfExercise(answer.Exercise.Rank))
{
exerciseStatus = ExerciseStatus.EndOfExercise;
}
else
{
newExercise = _exerciseHelper.GetNextExercise(answer.Exercise);
exerciseStatus = ExerciseStatus.Continue;
}
}
else
{
exerciseStatus = ExerciseStatus.IncorrectAnswer;
}
return(new ExerciseWrapper
{
Status = exerciseStatus,
Exercise = newExercise,
TimeOut = _exerciseHelper.GetTimeOut(newExercise != null ? newExercise.Rank : RankLevel.Beginner)
});
}
public void PostAnswerTest_Incorrect()
{
var exerciseHelper = Substitute.For <IExerciseHelper>();
exerciseHelper.GetFirstExercise().Returns(new Exercise {
Rank = RankLevel.Beginner
});
var exerciseController = new ExerciseController(exerciseHelper);
exerciseHelper.IsRightAnswer(Arg.Any <ExerciseAnswer>()).Returns(false);
exerciseHelper.IsEndOfExercise(Arg.Any <RankLevel>()).Returns(false);
var answer = new ExerciseAnswer {
Exercise = new Exercise()
};
var wrapper = exerciseController.PostAnswer(answer);
Assert.AreEqual(ExerciseStatus.IncorrectAnswer, wrapper.Status);
Assert.IsNull(wrapper.Exercise);
}
public void PostAnswer_RightAnswer_EndOfQuestions()
{
var exerciseHelper = Substitute.For <IExerciseHelper>();
exerciseHelper.GetNextExercise(Arg.Any <Exercise>()).Returns(new Exercise {
Rank = RankLevel.Advanced
});
var exerciseController = new ExerciseController(exerciseHelper);
exerciseHelper.IsRightAnswer(Arg.Any <ExerciseAnswer>()).Returns(true);
exerciseHelper.IsEndOfExercise(Arg.Any <RankLevel>()).Returns(true);
var answer = new ExerciseAnswer {
Exercise = new Exercise()
};
var wrapper = exerciseController.PostAnswer(answer);
Assert.AreEqual(ExerciseStatus.EndOfExercise, wrapper.Status);
Assert.IsNull(wrapper.Exercise);
}
public bool IsRightAnswer(ExerciseAnswer answer)
{
return(answer.Answer == answer.Exercise.Operand1 + answer.Exercise.Operand2);
}
