コード例 #1
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        public void Execute_FailsUntilRetryCountExceeded_ThrowsExceptionWithProperRetryStack()
        {
            var          expectedUri        = "test://queue.abc/whatever/";
            const string message            = "message";
            var          expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                              .EnqueueResponse(new TimeoutException(message + "1"))
                                              .EnqueueResponse(new TimeoutException(message + "2"))
                                              .EnqueueResponse(new TimeoutException(message + "3"));

            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            request.RetryPolicy = new RetryPolicy <ExceptionRetryStrategy>(2, TimeSpan.FromMilliseconds(1));
            try
            {
                // Act
                request.Execute();

                //Assert, starting with catching the specific exception type
            }
            catch (RetriedException exc)
            {
                Assert.AreEqual(3, exc.Count);
                Assert.AreEqual(exc.Count, exc.ExceptionRetryStack.Count);
                var currentExceptionIndex = 3;
                foreach (var exception in exc.ExceptionRetryStack)
                {
                    Assert.IsInstanceOf <GeneralExceptionDuringAzureOperationException>(exception);
                    Assert.IsInstanceOf <TimeoutException>(exception.InnerException);
                    Assert.AreEqual(exception.InnerException.Message, message + currentExceptionIndex);
                    currentExceptionIndex--; // stack is LIFO
                }
            }
        }
コード例 #2
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        public void Execute_SuccessfulOperation_MarksResponseAsSuccessfull()
        {
            var expectedUri = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri));
            expectedRawRequest.EnqueueResponse(HttpStatusCode.OK, "Success", "Response content", false);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(HttpStatusCode.OK, response.HttpStatus);
        }
コード例 #3
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        public void Execute_TimeoutException_AttemptsToRetry()
        {
            var expectedUri = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                        .EnqueueResponse(new TimeoutException("message"))
                                        .EnqueueResponse(HttpStatusCode.OK, "Success", "Even More Success", false);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(2, response.NumberOfAttempts);
        }
コード例 #4
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        public void Execute_SuccessfulOperation_MarksResponseAsSuccessfull()
        {
            var expectedUri        = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri));

            expectedRawRequest.EnqueueResponse(HttpStatusCode.OK, "Success", "Response content", false);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(HttpStatusCode.OK, response.HttpStatus);
        }
コード例 #5
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        public void Execute_ReceivesStatusError_AttemptsToRetry(string errorCode, int httpStatus, string errorMessage)
        {
            var expectedUri = "test://queue.abc/whatever/";
            var azureErrorMessage = String.Format("<?xml version=\"1.0\" encoding=\"utf-8\"?><Error><Code>{0}</Code><Message>{1}</Message></Error>", errorCode, errorMessage);
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                        .EnqueueResponse((HttpStatusCode)httpStatus, errorCode, azureErrorMessage, true)
                                        .EnqueueResponse(HttpStatusCode.OK, "Success", "Response content", false);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(2, response.NumberOfAttempts);
        }
コード例 #6
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        public void Execute_TimeoutException_AttemptsToRetry()
        {
            var expectedUri        = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                     .EnqueueResponse(new TimeoutException("message"))
                                     .EnqueueResponse(HttpStatusCode.OK, "Success", "Even More Success", false);

            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(2, response.NumberOfAttempts);
        }
コード例 #7
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        public void Execute_ReceiveTransientExceptionThenNonTransient_ThrowsNonTransient()
        {
            var expectedUri        = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                     .EnqueueResponse(new WebException("Azure hung up after the initial request", new SocketException(1), WebExceptionStatus.ReceiveFailure, null))
                                     .EnqueueResponse(HttpStatusCode.Conflict, "QueueAlreadyExists", queueAlreadyExistsExceptionText, true);

            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            request.Execute();

            // expected non transient exception
        }
コード例 #8
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        public void Execute_ReceiveFailureException_AttemptsToRetry()
        {
            var expectedUri        = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                     .EnqueueResponse(new WebException("Azure hung up after the initial request", new SocketException(1), WebExceptionStatus.ReceiveFailure, null))
                                     .EnqueueResponse(HttpStatusCode.OK, "Success", "Even More Success", false);

            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(2, response.NumberOfAttempts);
        }
コード例 #9
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        public void Execute_ExpectingEmptyPayload_ConsumesResponseStream()
        {
            var expectedUri = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri));
            var expectedRawResponse = new HttpResponseSettings(HttpStatusCode.OK, "Success", "Response content", false);
            expectedRawRequest.EnqueueResponse(expectedRawResponse);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            // expect the response stream to be closed now
            long x;
            Assert.Throws<ObjectDisposedException>(() => x = expectedRawResponse.ResponseStream.Position);
        }
コード例 #10
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        public void Execute_ReceivesStatusError_AttemptsToRetry(string errorCode, int httpStatus, string errorMessage)
        {
            var expectedUri        = "test://queue.abc/whatever/";
            var azureErrorMessage  = String.Format("<?xml version=\"1.0\" encoding=\"utf-8\"?><Error><Code>{0}</Code><Message>{1}</Message></Error>", errorCode, errorMessage);
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                     .EnqueueResponse((HttpStatusCode)httpStatus, errorCode, azureErrorMessage, true)
                                     .EnqueueResponse(HttpStatusCode.OK, "Success", "Response content", false);

            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(2, response.NumberOfAttempts);
        }
コード例 #11
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        public void Execute_ExpectingEmptyPayload_ConsumesResponseStream()
        {
            var expectedUri         = "test://queue.abc/whatever/";
            var expectedRawRequest  = new TestableWebRequest(new Uri(expectedUri));
            var expectedRawResponse = new HttpResponseSettings(HttpStatusCode.OK, "Success", "Response content", false);

            expectedRawRequest.EnqueueResponse(expectedRawResponse);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            // expect the response stream to be closed now
            long x;

            Assert.Throws <ObjectDisposedException>(() => x = expectedRawResponse.ResponseStream.Position);
        }
コード例 #12
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        public void Execute_FailsUntilRetryCountExceeded_ThenGivesUp()
        {
            var expectedUri        = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                     .EnqueueResponse(new TimeoutException("message 1"))
                                     .EnqueueResponse(new TimeoutException("message 2"))
                                     .EnqueueResponse(new TimeoutException("message 3"))
                                     .EnqueueResponse(HttpStatusCode.OK, "Success", "Should give up before it gets this one", false);

            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            request.RetryPolicy = new RetryPolicy <ExceptionRetryStrategy>(2, TimeSpan.FromMilliseconds(1));

            request.Execute();

            // expecting an exception
        }
コード例 #13
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        public void Execute_ReceiveTransientExceptionThenNonTransient_ThrowsExceptionWithProperRetryStack()
        {
            var expectedUri        = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                     .EnqueueResponse(new WebException("Azure hung up after the initial request", new SocketException(1), WebExceptionStatus.ReceiveFailure, null))
                                     .EnqueueResponse(HttpStatusCode.Conflict, "QueueAlreadyExists", queueAlreadyExistsExceptionText, true);

            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            try
            {
                request.Execute();
            }
            catch (QueueAlreadyExistsAzureException exc)
            {
                Assert.AreEqual(2, exc.RetryCount);
                Assert.AreEqual(exc.RetryCount, exc.ExceptionRetryStack.Count);
                Assert.IsInstanceOf <QueueAlreadyExistsAzureException>(exc.ExceptionRetryStack.First());
                Assert.IsInstanceOf <UnidentifiedAzureException>(exc.ExceptionRetryStack.Last());
                Assert.IsInstanceOf <WebException>(exc.ExceptionRetryStack.Last().InnerException);
            }
        }
コード例 #14
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        public void Execute_FailsUntilRetryCountExceeded_ThenGivesUp()
        {
            var expectedUri = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                            .EnqueueResponse(new TimeoutException("message 1"))
                                            .EnqueueResponse(new TimeoutException("message 2"))
                                            .EnqueueResponse(new TimeoutException("message 3"))
                                            .EnqueueResponse(HttpStatusCode.OK, "Success", "Should give up before it gets this one", false);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");
            request.RetryPolicy = new RetryPolicy<ExceptionRetryStrategy>(2, TimeSpan.FromMilliseconds(1));

            var response = request.Execute();

            // expecting an exception
        }
コード例 #15
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        public void Execute_ReceiveTransientExceptionThenNonTransient_ThrowsExceptionWithProperRetryStack()
        {
            var expectedUri = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                .EnqueueResponse(new WebException("Azure hung up after the initial request", new SocketException(1), WebExceptionStatus.ReceiveFailure, null))
                .EnqueueResponse(HttpStatusCode.Conflict, "QueueAlreadyExists", queueAlreadyExistsExceptionText, true);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            try
            {
                request.Execute();
            }
            catch (QueueAlreadyExistsAzureException exc)
            {

                Assert.AreEqual(2, exc.RetryCount);
                Assert.AreEqual(exc.RetryCount, exc.ExceptionRetryStack.Count);
                Assert.IsInstanceOf<QueueAlreadyExistsAzureException>(exc.ExceptionRetryStack.First());
                Assert.IsInstanceOf<UnidentifiedAzureException>(exc.ExceptionRetryStack.Last());
                Assert.IsInstanceOf<WebException>(exc.ExceptionRetryStack.Last().InnerException);
            }
        }
コード例 #16
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        public void Execute_FailsUntilRetryCountExceeded_ThrowsExceptionWithProperRetryStack()
        {
            var expectedUri = "test://queue.abc/whatever/";
            const string message = "message";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                .EnqueueResponse(new TimeoutException(message + "1"))
                .EnqueueResponse(new TimeoutException(message + "2"))
                .EnqueueResponse(new TimeoutException(message + "3"));
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");
            request.RetryPolicy = new RetryPolicy<ExceptionRetryStrategy>(2, TimeSpan.FromMilliseconds(1));
            try
            {

                // Act
                request.Execute();

                //Assert, starting with catching the specific exception type
            }
            catch (RetriedException exc)
            {
                Assert.AreEqual(3, exc.Count);
                Assert.AreEqual(exc.Count, exc.ExceptionRetryStack.Count);
                var currentExceptionIndex = 3;
                foreach (var exception in exc.ExceptionRetryStack)
                {
                    Assert.IsInstanceOf<GeneralExceptionDuringAzureOperationException>(exception);
                    Assert.IsInstanceOf<TimeoutException>(exception.InnerException);
                    Assert.AreEqual(exception.InnerException.Message, message + currentExceptionIndex);
                    currentExceptionIndex--; // stack is LIFO
                }
            }
        }
コード例 #17
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        public void Execute_ConnectFailureException_AttemptsToRetry()
        {
            var expectedUri = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                                        .EnqueueResponse(new WebException("Could not connect because Azure crashed", new SocketException(1), WebExceptionStatus.ConnectFailure, null))
                                        .EnqueueResponse(HttpStatusCode.OK, "Success", "Even More Success", false);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            var response = request.Execute();

            Assert.AreEqual(2, response.NumberOfAttempts);
        }
コード例 #18
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        public void Execute_ReceiveTransientExceptionThenNonTransient_ThrowsNonTransient()
        {
            var expectedUri = "test://queue.abc/whatever/";
            var expectedRawRequest = new TestableWebRequest(new Uri(expectedUri))
                .EnqueueResponse(new WebException("Azure hung up after the initial request", new SocketException(1), WebExceptionStatus.ReceiveFailure, null))
                .EnqueueResponse(HttpStatusCode.Conflict, "QueueAlreadyExists", queueAlreadyExistsExceptionText, true);
            TestableWebRequestCreateFactory.GetFactory().AddRequest(expectedRawRequest);
            var request = new RequestWithEmptyPayload(new SettingsFake(), expectedUri, "GET");

            request.Execute();

            // expected non transient exception
        }