public void TestPostLanguageToLanguage()
        {
            //init
            var mockJobs         = new Mock <DbSet <Job> >();
            var mockServiceUsers = new Mock <DbSet <ServiceUser> >();
            var mockContext      = new Mock <RoboBrailleDataContext>();

            // arrange
            var users = new List <ServiceUser> {
                new ServiceUser
                {
                    EmailAddress = "*****@*****.**",
                    UserId       = Guid.Parse("d2b97532-e8c5-e411-8270-f0def103cfd0"),
                    ApiKey       = Encoding.UTF8.GetBytes("7b76ae41-def3-e411-8030-0c8bfd2336cd"),
                    FromDate     = new DateTime(2015, 1, 1),
                    ToDate       = new DateTime(2020, 1, 1),
                    UserName     = "******",
                    Jobs         = null
                }
            }.AsQueryable();

            TranslationJob trj = new TranslationJob()
            {
                Id              = Guid.NewGuid(),
                FileContent     = Encoding.UTF8.GetBytes("This is the first translation job."),
                UserId          = Guid.Parse("d2b97532-e8c5-e411-8270-f0def103cfd0"),
                FileExtension   = "txt",
                FileName        = "test",
                MimeType        = "text/plain",
                Status          = JobStatus.Started,
                SubmitTime      = DateTime.Now,
                DownloadCounter = 0,
                InputFileHash   = new byte[8],
                SourceLanguage  = Language.enGB.ToString(),
                TargetLanguage  = Language.daDK.ToString()
            };
            TranslationJob trj2 = new TranslationJob()
            {
                Id              = Guid.NewGuid(),
                FileContent     = Encoding.UTF8.GetBytes("This is the second translation job."),
                UserId          = Guid.Parse("d2b87532-e8c5-e411-8270-f0def103cfd0"),
                FileExtension   = "txt",
                FileName        = "test2",
                MimeType        = "text/plain",
                Status          = JobStatus.Done,
                SubmitTime      = DateTime.Now,
                DownloadCounter = 2,
                InputFileHash   = new byte[2],
                SourceLanguage  = Language.enGB.ToString(),
                TargetLanguage  = Language.svSE.ToString()
            };
            var jobs = new List <TranslationJob> {
                trj2
            }.AsQueryable();

            mockJobs.As <IDbAsyncEnumerable <Job> >().Setup(m => m.GetAsyncEnumerator()).Returns(new TestDbAsyncEnumerator <Job>(jobs.GetEnumerator()));
            mockJobs.As <IQueryable <Job> >().Setup(m => m.Provider).Returns(new TestDbAsyncQueryProvider <Job>(jobs.Provider));

            mockJobs.As <IQueryable <Job> >().Setup(m => m.Expression).Returns(jobs.Expression);
            mockJobs.As <IQueryable <Job> >().Setup(m => m.ElementType).Returns(jobs.ElementType);
            mockJobs.As <IQueryable <Job> >().Setup(m => m.GetEnumerator()).Returns(jobs.GetEnumerator());

            mockServiceUsers.As <IDbAsyncEnumerable <ServiceUser> >().Setup(m => m.GetAsyncEnumerator()).Returns(new TestDbAsyncEnumerator <ServiceUser>(users.GetEnumerator()));
            mockServiceUsers.As <IQueryable <ServiceUser> >().Setup(m => m.Provider).Returns(new TestDbAsyncQueryProvider <ServiceUser>(users.Provider));
            mockServiceUsers.As <IQueryable <ServiceUser> >().Setup(m => m.Expression).Returns(users.Expression);
            mockServiceUsers.As <IQueryable <ServiceUser> >().Setup(m => m.ElementType).Returns(users.ElementType);
            mockServiceUsers.As <IQueryable <ServiceUser> >().Setup(m => m.GetEnumerator()).Returns(users.GetEnumerator());

            mockContext.Setup(m => m.Jobs).Returns(mockJobs.Object);
            mockContext.Setup(m => m.ServiceUsers).Returns(mockServiceUsers.Object);

            var repo    = new TranslationRepository(mockContext.Object);
            var request = new HttpRequestMessage();

            request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Authorization", "Hawk id=\"d2b97532-e8c5-e411-8270-f0def103cfd0\", ts=\"1470657024\", nonce=\"VkcMGB\", mac=\"hXW+BLRoqwlUaQZQtpPToOWnVAh5KbAXGGT5f8dLMVk=\"");
            var serviceController = new TranslationController(repo);

            serviceController.Request = request;
            //call
            var jobid = serviceController.Post(trj).Result;

            //test
            mockJobs.Verify(m => m.Add(It.IsAny <Job>()), Times.Once());

            mockContext.Verify(m => m.SaveChanges(), Times.Exactly(1));
            //twice if it is synced
            //mockContext.Verify(m => m.SaveChanges(), Times.Exactly(2));
        }