public void WhenWeCallCreateNextExerciseWithInvalidAnswerWeGetAInvalidNewExercise()
{
var cache = new ExerciseFactoryCache();
var factory = new ExerciseFactory(new MockRandomNumberGenerator(new int[]
{
9, -3,
2, 3
}), cache);
var initialExercise = factory.CreateInitialExercise();
var answer = new Answer()
{
AssociatedExercise = initialExercise,
EquationWithAnswer = "9 + -3 = 99",
};
var exercise = factory.CreateNextExercise(answer);
Assert.IsNotNull(exercise);
// we dont have a question
Assert.IsNull(exercise.QuestionToAsk);
// status is in error state
Assert.IsTrue(exercise.CurrentStatus.IsErrored);
Assert.IsFalse(exercise.CurrentStatus.IsCompleted);
// we have message
Assert.IsNotNull(exercise.CurrentStatus.Message);
}
public void WhenWeAskFinalQuestionAtExpertLevelThenExerciseHasTheStatusCompleted()
{
var cache = new ExerciseFactoryCache();
var factory = new ExerciseFactory(new MockRandomNumberGenerator(new int[]
{
9, -3
}), cache);
var lastExercise = factory.CreateInitialExercise();
lastExercise.QuestionToAsk.QuestionNumberWithinCurrentRank = 3;
lastExercise.QuestionToAsk.Rank = Rank.Expert;
var answer = new Answer()
{
AssociatedExercise = lastExercise,
EquationWithAnswer = "9 + -3 = 6",
};
var exercise = factory.CreateNextExercise(answer);
Assert.IsNotNull(exercise);
// status is in error state
Assert.IsTrue(exercise.CurrentStatus.IsCompleted);
// we have message
Assert.IsNotNull(exercise.CurrentStatus.Message);
}
public void WhenWeCreateNextAnExerciseWithValidAnswerWeGetAValidNewExercise()
{
var cache = new ExerciseFactoryCache();
var factory = new ExerciseFactory(new MockRandomNumberGenerator(new int[]
{
9, -3,
2, 3
}), cache);
var initialExercise = factory.CreateInitialExercise();
var answer = new Answer()
{
AssociatedExercise = initialExercise,
EquationWithAnswer = "9 + -3 = 6",
};
var exercise = factory.CreateNextExercise(answer);
Assert.IsNotNull(exercise);
Assert.IsNotNull(exercise.QuestionToAsk);
Assert.AreEqual("2 + 3 = ?", exercise.QuestionToAsk.EquationWithoutAnswer);
Assert.AreEqual("2 + 3 = 5", factory.GetAnswer(exercise.QuestionToAsk));
// second question for current rank
Assert.AreEqual(2, exercise.QuestionToAsk.QuestionNumberWithinCurrentRank);
Assert.IsTrue(exercise.QuestionToAsk.TimeToAnswer > 0);
Assert.AreEqual(Rank.Beginner, exercise.QuestionToAsk.Rank);
Console.WriteLine(answer.Display());
// {"AssociatedExercise":{"QuestionToAsk":{"EquationWithoutAnswer":"9 + -3 = ?","Rank":0,"QuestionNumberWithinCurrentRank":1,"TimeToAnswer":30},"CurrentStatus":null},"EquationWithAnswer":"9 + -3 = 6"}
}
public void WhenWeCallCreateNextExerciseWithMultipleTimesWithTheCorrectAnswerWeChangeRank()
{
var cache = new ExerciseFactoryCache();
var factory = new ExerciseFactory(new MockRandomNumberGenerator(new int[]
{
9, -3,
2, 3,
3, 3,
4, 4
}), cache);
var initialExercise = factory.CreateInitialExercise();
var secondExercise = factory.CreateNextExercise(new Answer()
{
AssociatedExercise = initialExercise,
EquationWithAnswer = "9 + -3 = 6",
});
var thirdExercise = factory.CreateNextExercise(new Answer()
{
AssociatedExercise = secondExercise,
EquationWithAnswer = "2 + 3 = 5",
});
var forthExercise = factory.CreateNextExercise(new Answer()
{
AssociatedExercise = thirdExercise,
EquationWithAnswer = "3 + 3 = 6",
});
// should be 4 + 4
Assert.IsNotNull(forthExercise);
Assert.AreEqual("4 + 4 = ?", forthExercise.QuestionToAsk.EquationWithoutAnswer);
Assert.AreEqual("4 + 4 = 8", factory.GetAnswer(forthExercise.QuestionToAsk));
Assert.AreEqual(Rank.Intermmediate, forthExercise.QuestionToAsk.Rank);
Assert.AreEqual(1, forthExercise.QuestionToAsk.QuestionNumberWithinCurrentRank);
}