public void GetRecallValueCheckIfYesterdayIsBeforeToday()
{
FlashCardData fcdToday = new FlashCardData();
FlashCardData fcdYesterday = new FlashCardData();
fcdYesterday.CreationDate = DateTime.Today.AddDays(-1);
fcdYesterday.LastOccurrence = DateTime.Today.AddDays(-1);
var flashCardMemorizer = new FlashCardMemorizer();
int valToday = flashCardMemorizer.GetRecallValue(fcdToday);
int valYesterday = flashCardMemorizer.GetRecallValue(fcdYesterday);
Assert.IsTrue(valYesterday <= valToday);
}
public void GetRecallValueCheckIfReturnedValuesAreNotSame()
{
FlashCardData fcd1 = new FlashCardData();
fcd1.CreationDate = DateTime.Today.AddDays(-20);
fcd1.LastOccurrence = DateTime.Today.AddDays(-10);
fcd1.SuccessfulAnserws = 1;
FlashCardData fcd2 = new FlashCardData();
var flashCardMemorizer = new FlashCardMemorizer();
int val1 = flashCardMemorizer.GetRecallValue(fcd1);
int val2 = flashCardMemorizer.GetRecallValue(fcd2);
Assert.IsTrue(val1 < val2);
}
public void GetRecallValueCheckIfFailedAreFirst()
{
FlashCardData fcdFail = new FlashCardData();
fcdFail.LastOccurrence = DateTime.Today.AddDays(-1);
FlashCardData fcdSuccess = new FlashCardData();
fcdSuccess.LastOccurrence = DateTime.Today.AddDays(-1);
fcdSuccess.LastResult = true;
var flashCardMemorzer = new FlashCardMemorizer();
int valFail = flashCardMemorzer.GetRecallValue(fcdFail);
int valSuccess = flashCardMemorzer.GetRecallValue(fcdSuccess);
Assert.IsTrue(valFail <= valSuccess);
//even if there is some very old pending
fcdSuccess.LastOccurrence = DateTime.Today.AddDays(-100);
fcdSuccess.CreationDate = DateTime.Today.AddDays(-101);
valSuccess = flashCardMemorzer.GetRecallValue(fcdSuccess);
Assert.IsTrue(valFail <= valSuccess);
}
public void GetRecallValueCompareOrdianry()
{
FlashCardData fcd1 = new FlashCardData();
fcd1.CreationDate = DateTime.Today.AddDays(-10);
fcd1.LastOccurrence = DateTime.Today.AddDays(-2);
fcd1.SuccessfulAnserws = 3;
fcd1.LastResult = true;
FlashCardData fcd2 = new FlashCardData();
fcd2.CreationDate = DateTime.Today.AddDays(-10);
fcd2.LastOccurrence = DateTime.Today.AddDays(-1);
fcd2.SuccessfulAnserws = 3;
fcd2.LastResult = true;
var flashCardMemorizer = new FlashCardMemorizer();
int val1 = flashCardMemorizer.GetRecallValue(fcd1);
int val2 = flashCardMemorizer.GetRecallValue(fcd2);
Assert.IsTrue(val1 <= val2);
fcd2.SuccessfulAnserws = 1;
val2 = flashCardMemorizer.GetRecallValue(fcd2);
Assert.IsTrue(val1 >= val2);
//fcd1 should be first beacuse it was memorized less times
fcd1 = new FlashCardData();
fcd1.CreationDate = DateTime.Today.AddDays(-20);
fcd1.LastOccurrence = DateTime.Today.AddDays(-4);
fcd1.SuccessfulAnserws = 5;
fcd1.LastResult = true;
fcd2 = new FlashCardData();
fcd2.CreationDate = DateTime.Today.AddDays(-30);
fcd2.LastOccurrence = DateTime.Today.AddDays(-10);
fcd2.SuccessfulAnserws = 7;
fcd2.LastResult = true;
val1 = flashCardMemorizer.GetRecallValue(fcd1);
val2 = flashCardMemorizer.GetRecallValue(fcd2);
Assert.IsTrue(val1 <= val2);
}
