public async Task NullCigarShouldThrowException()
{
SqlCigarRepository repository = CreateRepository();
ArgumentNullException exception = await Assert.ThrowsAsync <ArgumentNullException>(
() => repository.Save(null));
Assert.Equal("cigar", exception.ParamName);
}
public async Task ShouldSaveProvidedCigar()
{
SqlCigarRepository repository = CreateRepository();
Cigar newCigar = Cigar.New();
await repository.Save(newCigar);
Cigar savedCigar = await repository.Load(newCigar.Id);
Assert.Equal(newCigar.Id, savedCigar.Id);
}