public ScoreCombinationRequestTests()
{
_request = new ScoreCombinationRequest();
_callHistory = new List <ScoreCombinationRecord> {
new ScoreCombinationRecord()
};
_scoreCombinationRepositoryMock = new Mock <IRepositoryRecord>();
_scoreCombinationRepositoryMock.Setup(x => x.GetCallHistory(DateTime.Today.AddDays(-1), DateTime.Today))
.Returns(_callHistory);
_service = new ServiceRecord(_scoreCombinationRepositoryMock.Object);
}
public ScoreCombinationResult GetCombination(ScoreCombinationRequest request)
{
_validator.Validate(request);
var result = new ScoreCombinationResult
{
Combination = CombinationSum(request.Sequence, request.Target)
};
result.Combination ??= new List <long>();
_repositoryRecord.Add(new ScoreCombinationRecord
{
Combination = string.Join(',', result.Combination),
Date = DateTime.Now,
Sequence = string.Join(',', request.Sequence),
Target = request.Target
});
return(result);
}
public void Validate(ScoreCombinationRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (request.Sequence.Count == 0)
{
throw new InvalidOperationException("Sequence contains no elements");
}
if (request.Target > 0 && (request.Sequence.Count == 0 || request.Sequence.SequenceEqual(new List <long> {
0
})))
{
throw new ArgumentException("Target is unreachable with the sequence entered");
}
if (request.Target > 0 && request.Sequence.TrueForAll(x => x < 0))
{
throw new ArgumentException("Target is unreachable with the sequence entered");
}
}
