public void ShouldSaveTagsIntoDatabase()
{
//Arrange
IUnitOfWork unitOfWork = Substitute.For <IUnitOfWork>();
UrlService linkService = new UrlService(unitOfWork);
UrlInfo urlInfo = new UrlInfo
{
Link = "https://en.m.wikipedia.org/wiki/Medicine",
IterationId = 1
};
//Act
linkService.AddLinkToDB(urlInfo);
//Assert
unitOfWork.Urls.Received(1).Add(Arg.Is <Url>(w => w.Link == "https://en.m.wikipedia.org/wiki/Medicine" && w.IterationId == 1));
}