public void ClientRuntimeContextService_Should_ThrowGenericException_On_UnsupportHttpStatuses()
        {
            // expecting web exception on unknown http statuses

            var currentReconnectCount = 0;
            var service = new DefaultClientRuntimeContextService();

            var rndService = new DefaultRandomService();
            var supportedHttpStatuses = new[]
            {
                700, 800, 900
            };

            // to run test faster
            service.ExecuteQueryDelayInMilliseconds = 1;

            service.CustomExecuteQueryHandler += (cnt) =>
            {
                currentReconnectCount++;

                var webResponce = Activator.CreateInstance<HttpWebResponse>();

                var sttausCode = rndService.RandomFromArray(supportedHttpStatuses);
                SetStatusCode(webResponce, sttausCode);

                var ex = new WebException("Can't connect to O365", null,
                    (WebExceptionStatus)402, webResponce);

                throw ex;
            };

            service.ExecuteQuery(default(ClientRuntimeContext));
        }
        public void ClientRuntimeContextService_Should_SupportHttpStatuses()
        {
            // expecting SPMeta2Exception on known http statuses

            var currentReconnectCount = 0;
            var service = new DefaultClientRuntimeContextService();

            var rndService = new DefaultRandomService();
            var supportedHttpStatuses = new[]
            {
                429, 503
            };

            // to run test faster
            service.ExecuteQueryDelayInMilliseconds = 1;

            service.CustomExecuteQueryHandler += (cnt) =>
            {
                currentReconnectCount++;

                var webResponce = Activator.CreateInstance<HttpWebResponse>();

                var sttausCode = rndService.RandomFromArray(supportedHttpStatuses);
                SetStatusCode(webResponce, sttausCode);

                var ex = new WebException("Can't connect to O365", null,
                    (WebExceptionStatus)402, webResponce);

                throw ex;
            };
            try
            {
                service.ExecuteQuery(default(ClientRuntimeContext));
            }
            catch (Exception e)
            {
                Assert.AreEqual(currentReconnectCount, service.ExecuteQueryRetryAttempts);
                Assert.IsTrue(e is SPMeta2Exception);
            }

        }