public void GetValidStationLinks_IsEmptyColor_ShouldBeAllLinks(string trainColor)
{
//Arrange
_stationConfigurationProviderMock.GetStations().Returns(_stationsRepository.Values.ToList());
_stationConfigurationProviderMock.GetStationLinks().Returns(_linksRepository[string.Empty]);
IStationService stationService = new StationService(_stationConfigurationProviderMock);
//Act
List <StationLink> links = stationService.GetValidStationLinks(trainColor);
//Assert
Assert.Equal(_linksRepository[string.Empty].Count, links.Count);
}
public List <StationLink> GetValidStationLinks(string trainColor)
{
List <StationLink> stationLinks = _stationConfigurationProvider.GetStationLinks();
List <Station> invalidStations = _stationConfigurationProvider.GetStations().Where(s => !s.IsValidStation(trainColor)).ToList();
while (stationLinks.Any(sl => !sl.IsValidLink(trainColor)))
{
foreach (Station invalidStation in invalidStations)
{
ReplaceInvalidStationLinks(stationLinks, invalidStation);
}
}
return(stationLinks);
}