public void SortHandler_Handle_SequenceHasNumbers_ReturnsSortResultWithExpectedValues()
{
IStringToCollectionParser <decimal> parser = new StubIStringToCollectionParser <decimal>()
{
ParseStringToCollectionString = (strSeq) => new decimal[] { 2, 1, 3 }
};
IStepCounter stepCounter = new StubIStepCounter()
{
CountSwapOperation = () => { },
CountCompareOperation = () => { }
};
ISortStrategyFactory factory = new StubISortStrategyFactory()
{
CreateSortSortAlgorithmEnumSortTypeEnumIStepCounter = (alg, type, counter) => new StubISortStrategy()
{
SortIEnumerableOfDecimal = (seq) => new StubISortResult()
{
CompareOperationsCountGet = () => 2,
SwapOperationsCountGet = () => 1,
SortedNumbersGet = () => new decimal[] { 1, 2, 3 }
}
}
};
decimal[] expectedSequence = new decimal[] { 1, 2, 3 };
int expectedCompareCount = 2;
int expectedSwapCount = 1;
var handler = new SortHandler(parser, factory);
ISortResult sortResult = handler.Handle("2 1 3", SortAlgorithmEnum.InsertionSort, SortTypeEnum.Ascending, stepCounter);
Assert.AreEqual(expectedCompareCount, sortResult.CompareOperationsCount, "Comapare operations are not equal");
Assert.AreEqual(expectedSwapCount, sortResult.SwapOperationsCount, "Swap counts are not equal");
CollectionAssert.AreEqual(expectedSequence, sortResult.SortedNumbers.ToArray(), "Sequences are not equal.");
}
public void Sort(string sequence, SortAlgorithmEnum sortAlgorithm, SortTypeEnum sortType)
{
this.errorMessage = string.Empty;
try
{
this.sortResult = this.sortHandler.Handle(sequence, sortAlgorithm, sortType, new StepCounter());
}
catch (ValidationException)
{
errorMessage = "Not validating sequence";
}
this.OnPropertyChanged(string.Empty);
}
public ISortResult Handle(string sequence, SortAlgorithmEnum sortAlgorithm, SortTypeEnum sortType, IStepCounter stepCounter)
{
if (sequence == null)
{
throw new ArgumentNullException(nameof(sequence));
}
if (stepCounter == null)
{
throw new ArgumentNullException(nameof(sequence));
}
IEnumerable <decimal> numbersSequence = this.stringToDecimalCollectionParser.ParseStringToCollection(sequence);
ISortResult sortResult = this.sortStrategyFactory.CreateSort(sortAlgorithm, sortType, stepCounter).Sort(numbersSequence);
return(sortResult);
}
public void ReorderChildren(IDsmElement element, ISortResult sortResult)
{
DsmElement parent = element as DsmElement;
if (parent != null)
{
List <IDsmElement> clonedChildren = new List <IDsmElement>(parent.Children);
foreach (IDsmElement child in clonedChildren)
{
parent.RemoveChild(child);
}
for (int i = 0; i < sortResult.GetNumberOfElements(); i++)
{
parent.AddChild(clonedChildren[sortResult.GetIndex(i)]);
}
}
}
public void SortStrategy_Sort_SequenceIsEmpty_ReturnEmptySequence()
{
ISortType sortType = new StubISortType()
{
UpdateIEnumerableOfDecimal = (notUpdatedSequence) => notUpdatedSequence
};
IStepCounter stepCounter = new StubIStepCounter()
{
CountSwapOperation = () => { },
CountCompareOperation = () => { }
};
var sortStrategy = GetSortStrategy(sortType, stepCounter);
var expectedSequence = new decimal[1];
ISortResult sortResult = sortStrategy.Sort((new decimal[1]));
CollectionAssert.AreEqual(expectedSequence, sortResult.SortedNumbers.ToArray());
}
public void ReorderChildren(IDsmElement element, ISortResult sortResult)
{
_elementsDataModel.ReorderChildren(element, sortResult);
}