public void GetByIdentifier_Null()
        {
            // Init
            var repo = new AuthorizationRepository();

            #region Prepare records

            // Record #1
            repo.Add(new MemoryAuthorization
            {
                Identifier = new MemoryIdentifier
                {
                    Type  = "dns",
                    Value = "some.test.com",
                },
                Status = AuthorizationStatus.Invalid,
            });

            // Record #3
            repo.Add(new MemoryAuthorization
            {
                Identifier = new MemoryIdentifier
                {
                    Type  = "dns",
                    Value = "some.test2.com",
                },
                Status = AuthorizationStatus.Pending,
            });

            // Record #3
            repo.Add(new MemoryAuthorization
            {
                Identifier = new MemoryIdentifier
                {
                    Type  = "dns",
                    Value = "some.test.com",
                },
                Status = AuthorizationStatus.Pending,
            });

            #endregion

            // Get authz by Id
            var identifier = new Identifier
            {
                Type  = "DNS", // check case insensitive
                Value = "Some.Test.Com"
            };
            var res = repo.GetByIdentifier(0, identifier); // wrong id
            Assert.Equal(3, res.Id);
        }
        /// <inheritdoc/>
        public IAuthorization GetActual(int accountId, Identifier identifier)
        {
            // Get auth from repository
            var authz = AuthorizationRepository.GetByIdentifier(accountId, identifier);

            if (authz == null)
            {
                return(null);
            }

            var updatedAuthz = RefreshStatus(authz);

            if (authz.Status == AuthorizationStatus.Invalid ||
                authz.Status == AuthorizationStatus.Expired ||
                authz.Status == AuthorizationStatus.Revoked ||
                authz.Status == AuthorizationStatus.Deactivated)
            {
                return(null);
            }

            return(updatedAuthz);
        }