public void ShouldNotSaveTagsIntoDatabaseIfItIsAlreadyThere()
{
// Arrange
DatasourceManagementService datasource = new DatasourceManagementService();
IUnitOfWork unitOfWork = Substitute.For <IUnitOfWork>();
ILinksTableRepository tableRepository = Substitute.For <ILinksTableRepository>();
unitOfWork.LinksTableRepository.Returns(tableRepository);
string address = "https://en.wikipedia.org";
tableRepository.ContainsByUrl(Arg.Any <LinkEntity>()).Returns(true);
// Act
Task t = datasource.AddToDb(unitOfWork, new LinkInfo {
Url = address
});
// Assert
Assert.AreEqual("Link is already in database", t.Exception.InnerException.Message);
}
public void ShouldSaveTagsIntoDatabase()
{
// Arrange
DatasourceManagementService datasource = new DatasourceManagementService();
IUnitOfWork unitOfWork = Substitute.For <IUnitOfWork>();
ILinksTableRepository tableRepository = Substitute.For <ILinksTableRepository>();
unitOfWork.LinksTableRepository.Returns(tableRepository);
string address = "https://en.wikipedia.org";
tableRepository.ContainsByUrl(Arg.Any <LinkEntity>()).Returns(false);
// Act
datasource.AddToDb(unitOfWork, new LinkInfo {
Url = address
}).Wait();
// Assert
unitOfWork.LinksTableRepository.Received(1).AddAsync(
Arg.Is <LinkEntity>(e => e.Link == address));
}
