private async Task SendMethodAndRespondRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
var assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
await deviceClient.SetMethodHandlerAsync(MethodName,
(request, context) =>
{
assertResult.SetResult(new Tuple <bool, bool>(request.Name.Equals(MethodName), request.DataAsJson.Equals(ServiceRequestJson)));
return(Task.FromResult(new MethodResponse(Encoding.UTF8.GetBytes(DeviceResponseJson), 200)));
},
null);
await ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, MethodName, DeviceResponseJson, ServiceRequestJson, assertResult);
// send error command
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec));
// allow time for connection recovery
await Task.Delay(TimeSpan.FromSeconds(3));
assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
await ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, MethodName, DeviceResponseJson, ServiceRequestJson, assertResult);
await deviceClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
}
private async Task SendMessageThrottledForHttp()
{
await sequentialTestSemaphore.WaitAsync();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
EventHubClient eventHubClient;
EventHubReceiver eventHubReceiver = CreateEventHubReceiver(deviceInfo.Item1, out eventHubClient);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, Client.TransportType.Http1);
deviceClient.OperationTimeoutInMilliseconds = (uint)TestUtil.ShortRetryInMilliSec;
await deviceClient.OpenAsync();
string payload, p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
// Implementation of error injection of throttling on http is that it will throttle the
// fault injection message itself only. The duration of fault has no effect on http throttle.
// Client is supposed to retry sending the throttling fault message until operation timeout.
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(TestUtil.FaultType_Throttle,
TestUtil.FaultCloseReason_Boom, TestUtil.DefaultDelayInSec, TestUtil.DefaultDurationInSec));
sequentialTestSemaphore.Release(1);
}
private async Task SendMethodAndRespondRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
Tuple <string, string> deviceInfo = TestUtil.CreateDevice("E2E_Method_CSharp_", hostName, registryManager);
string deviceResponseJson = "{\"name\":\"e2e_test\"}";
string serviceRequestJson = "{\"a\":123}";
string methodName = "MethodE2ETest";
var assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
await deviceClient.SetMethodHandlerAsync(methodName,
(request, context) =>
{
assertResult.SetResult(new Tuple <bool, bool>(request.Name.Equals(methodName), request.DataAsJson.Equals(serviceRequestJson)));
return(Task.FromResult(new MethodResponse(Encoding.UTF8.GetBytes(deviceResponseJson), 200)));
},
null);
await ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, methodName, deviceResponseJson, serviceRequestJson, assertResult);
// send error command
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec));
Debug.WriteLine("Drop command sent from device client.");
// allow time for connection recovery
await Task.Delay(TimeSpan.FromSeconds(3));
assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
await ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, methodName, deviceResponseJson, serviceRequestJson, assertResult);
await deviceClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
}
private async Task SendMessageRecovery(Client.TransportType transport,
string faultType, string reason, int delayInSec, int durationInSec = 0, int retryDurationInMilliSec = 240000)
{
await sequentialTestSemaphore.WaitAsync();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
EventHubClient eventHubClient;
EventHubReceiver eventHubReceiver = CreateEventHubReceiver(deviceInfo.Item1, out eventHubClient);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
deviceClient.OperationTimeoutInMilliseconds = (uint)retryDurationInMilliSec;
await deviceClient.OpenAsync();
string payload, p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
bool isReceived = false;
Stopwatch sw = new Stopwatch();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
// send error command and clear eventHubReceiver of the fault injection message
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec,
durationInSec));
await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
Thread.Sleep(1000);
testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
sw.Reset();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
await deviceClient.CloseAsync();
await eventHubClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
sequentialTestSemaphore.Release(1);
}
private async Task _Twin_DeviceReportedPropertiesRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
var propName = Guid.NewGuid().ToString();
var propValue1 = Guid.NewGuid().ToString();
Tuple<string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
TwinCollection props = new TwinCollection();
props[propName] = propValue1;
await deviceClient.UpdateReportedPropertiesAsync(props);
var deviceTwin = await deviceClient.GetTwinAsync();
Assert.AreEqual<String>(deviceTwin.Properties.Reported[propName].ToString(), propValue1);
// send error command
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec));
Thread.Sleep(1000);
deviceTwin = await deviceClient.GetTwinAsync();
Assert.AreEqual<String>(deviceTwin.Properties.Reported[propName].ToString(), propValue1);
var propValue2 = Guid.NewGuid().ToString();
props[propName] = propValue2;
await deviceClient.UpdateReportedPropertiesAsync(props);
deviceTwin = await deviceClient.GetTwinAsync();
Assert.AreEqual<String>(deviceTwin.Properties.Reported[propName].ToString(), propValue2);
await deviceClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
}
private async Task _Twin_DeviceDesiredPropertyUpdateRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
var tcs = new TaskCompletionSource <bool>();
var propName = Guid.NewGuid().ToString();
var propValue = Guid.NewGuid().ToString();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
await deviceClient.OpenAsync();
await deviceClient.SetDesiredPropertyUpdateCallbackAsync((patch, context) =>
{
return(Task.Run(() =>
{
try
{
Assert.AreEqual(patch[propName].ToString(), propValue);
}
catch (Exception e)
{
tcs.SetException(e);
}
finally
{
tcs.SetResult(true);
}
}));
}, null);
var twinPatch = new Twin();
twinPatch.Properties.Desired[propName] = propValue;
await registryManager.UpdateTwinAsync(deviceInfo.Item1, twinPatch, "*");
await tcs.Task;
// send error command
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec));
await Task.Delay(TimeSpan.FromSeconds(3));
tcs = new TaskCompletionSource <bool>();
twinPatch = new Twin();
twinPatch.Properties.Desired[propName] = propValue;
await registryManager.UpdateTwinAsync(deviceInfo.Item1, twinPatch, "*");
await tcs.Task;
await deviceClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
}
internal async Task SendMessageThrottledForHttp()
{
// TODO: Update Jenkins Config
if (Configuration.IoTHub.EventHubString.IsNullOrWhiteSpace())
{
return;
}
await sequentialTestSemaphore.WaitAsync();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
EventHubClient eventHubClient;
PartitionReceiver eventHubReceiver = await CreateEventHubReceiver(deviceInfo.Item1);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, Client.TransportType.Http1);
try
{
deviceClient.OperationTimeoutInMilliseconds = (uint)TestUtil.ShortRetryInMilliSec;
await deviceClient.OpenAsync();
string payload, p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
bool isReceived = false;
Stopwatch sw = new Stopwatch();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
// Implementation of error injection of throttling on http is that it will throttle the
// fault injection message itself only. The duration of fault has no effect on http throttle.
// Client is supposed to retry sending the throttling fault message until operation timeout.
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(TestUtil.FaultType_Throttle,
TestUtil.FaultCloseReason_Boom, TestUtil.DefaultDelayInSec, TestUtil.DefaultDurationInSec));
}
finally
{
await deviceClient.CloseAsync();
await eventHubReceiver.CloseAsync();
sequentialTestSemaphore.Release(1);
}
}
private async Task ReceiveMessageRecovery(Client.TransportType transport, string faultType, string reason,
int delayInSec)
{
await sequentialTestSemaphore.WaitAsync();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
ServiceClient serviceClient = ServiceClient.CreateFromConnectionString(hubConnectionString);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
try
{
await deviceClient.OpenAsync();
if (transport == Client.TransportType.Mqtt_Tcp_Only ||
transport == Client.TransportType.Mqtt_WebSocket_Only)
{
// Dummy ReceiveAsync to ensure mqtt subscription registration before SendAsync() is called on service client.
await deviceClient.ReceiveAsync(TimeSpan.FromSeconds(2));
}
string payload, messageId, p1Value;
await serviceClient.OpenAsync();
await serviceClient.SendAsync(deviceInfo.Item1,
ComposeC2DTestMessage(out payload, out messageId, out p1Value));
await VerifyReceivedC2DMessage(transport, deviceClient, payload, p1Value);
// send error command
await deviceClient.SendEventAsync(
TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec));
await Task.Delay(1000);
await serviceClient.SendAsync(deviceInfo.Item1,
ComposeC2DTestMessage(out payload, out messageId, out p1Value));
await VerifyReceivedC2DMessage(transport, deviceClient, payload, p1Value);
}
finally
{
await deviceClient.CloseAsync();
await serviceClient.CloseAsync();
await TestUtil.RemoveDeviceAsync(deviceInfo.Item1, registryManager);
sequentialTestSemaphore.Release(1);
}
}
private async Task SendMessageRecovery(Client.TransportType transport,
string faultType, string reason, int delayInSec, int durationInSec = 0)
{
await sequentialTestSemaphore.WaitAsync();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
EventHubClient eventHubClient;
EventHubReceiver eventHubReceiver = CreateEventHubReceiver(deviceInfo.Item1, out eventHubClient);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
await deviceClient.OpenAsync();
string payload, p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
// send error command and clear eventHubReceiver of the fault injection message
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec, durationInSec));
await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
Thread.Sleep(1000);
testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
await deviceClient.CloseAsync();
await eventHubClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
sequentialTestSemaphore.Release(1);
}
async Task uploadFileDisconnectTransport(Client.TransportType transport, string filename, string faultType, string reason, int delayInSec,
int durationInSec = 0, int retryDurationInMilliSec = 24000)
{
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
deviceClient.OperationTimeoutInMilliseconds = (uint)retryDurationInMilliSec;
Task fileuploadTask;
Task <FileNotification> verifyTask;
using (FileStream fileStreamSource = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
verifyTask = VerifyFileNotification(deviceInfo);
fileuploadTask = deviceClient.UploadToBlobAsync(filename, fileStreamSource);
try
{
await
deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason,
delayInSec, durationInSec)).ConfigureAwait(false);
}
catch (Exception)
{
// catch and ignore exceptions resulted from error injection and continue to
// check result of the file upload status
}
await Task.WhenAll(fileuploadTask, verifyTask).ConfigureAwait(false);
}
FileNotification fileNotification = await verifyTask.ConfigureAwait(false);
Assert.IsNotNull(fileNotification, "FileNotification is not received.");
Assert.AreEqual(deviceInfo.Item1 + "/" + filename, fileNotification.BlobName, "Uploaded file name mismatch in notifications");
Assert.AreEqual(new FileInfo(filename).Length, fileNotification.BlobSizeInBytes, "Uploaded file size mismatch in notifications");
Assert.IsFalse(string.IsNullOrEmpty(fileNotification.BlobUri), "File notification blob uri is null or empty");
await deviceClient.CloseAsync().ConfigureAwait(false);
await TestUtil.RemoveDeviceAsync(deviceInfo.Item1, registryManager).ConfigureAwait(false);
}
private async Task SendMethodAndRespondRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
var assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
ConnectionStatus? lastConnectionStatus = null;
ConnectionStatusChangeReason?lastConnectionStatusChangeReason = null;
int setConnectionStatusChangesHandlerCount = 0;
bool assertStatusChange = false;
deviceClient.SetConnectionStatusChangesHandler((status, statusChangeReason) =>
{
if (assertStatusChange)
{
if (setConnectionStatusChangesHandlerCount == 0)
{
Assert.AreEqual(ConnectionStatus.Disconnected_Retrying, status);
Assert.AreEqual(ConnectionStatusChangeReason.No_Network, statusChangeReason);
}
else
{
Assert.AreEqual(ConnectionStatus.Connected, status);
Assert.AreEqual(ConnectionStatusChangeReason.Connection_Ok, statusChangeReason);
}
}
lastConnectionStatus = status;
lastConnectionStatusChangeReason = statusChangeReason;
setConnectionStatusChangesHandlerCount++;
});
await deviceClient.SetMethodHandlerAsync(MethodName,
(request, context) =>
{
assertResult.SetResult(new Tuple <bool, bool>(request.Name.Equals(MethodName), request.DataAsJson.Equals(ServiceRequestJson)));
return(Task.FromResult(new MethodResponse(Encoding.UTF8.GetBytes(DeviceResponseJson), 200)));
},
null);
if (transport != Client.TransportType.Http1)
{
Assert.AreEqual(1, setConnectionStatusChangesHandlerCount);
Assert.AreEqual(ConnectionStatus.Connected, lastConnectionStatus);
Assert.AreEqual(ConnectionStatusChangeReason.Connection_Ok, lastConnectionStatusChangeReason);
}
await ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, MethodName, DeviceResponseJson, ServiceRequestJson, assertResult);
// allow time for connection recovery
setConnectionStatusChangesHandlerCount = 0;
assertStatusChange = true;
// send error command
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec));
Stopwatch sw = new Stopwatch();
sw.Start();
while (sw.Elapsed.Minutes < 3 && setConnectionStatusChangesHandlerCount < 2)
{
await Task.Delay(1000);
}
assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
await ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, MethodName, DeviceResponseJson, ServiceRequestJson, assertResult);
setConnectionStatusChangesHandlerCount = 0;
assertStatusChange = false;
await deviceClient.SetMethodHandlerAsync(MethodName, null, null);
if (transport != Client.TransportType.Http1)
{
Assert.AreEqual(1, setConnectionStatusChangesHandlerCount);
Assert.AreEqual(ConnectionStatus.Disabled, lastConnectionStatus);
Assert.AreEqual(ConnectionStatusChangeReason.Client_Close, lastConnectionStatusChangeReason);
}
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
}
private async Task SendMessageRecovery(Client.TransportType transport,
string faultType, string reason, int delayInSec, int durationInSec = 0, int retryDurationInMilliSec = 240000)
{
await sequentialTestSemaphore.WaitAsync();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
EventHubClient eventHubClient;
EventHubReceiver eventHubReceiver = CreateEventHubReceiver(deviceInfo.Item1, out eventHubClient);
try
{
deviceClient.OperationTimeoutInMilliseconds = (uint)retryDurationInMilliSec;
ConnectionStatus? lastConnectionStatus = null;
ConnectionStatusChangeReason?lastConnectionStatusChangeReason = null;
int setConnectionStatusChangesHandlerCount = 0;
deviceClient.SetConnectionStatusChangesHandler((status, statusChangeReason) =>
{
lastConnectionStatus = status;
lastConnectionStatusChangeReason = statusChangeReason;
setConnectionStatusChangesHandlerCount++;
});
await deviceClient.OpenAsync();
if (transport != Client.TransportType.Http1)
{
Assert.AreEqual(1, setConnectionStatusChangesHandlerCount);
Assert.AreEqual(ConnectionStatus.Connected, lastConnectionStatus);
Assert.AreEqual(ConnectionStatusChangeReason.Connection_Ok, lastConnectionStatusChangeReason);
}
string payload, p1Value;
Client.Message testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
bool isReceived = false;
Stopwatch sw = new Stopwatch();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
// send error command and clear eventHubReceiver of the fault injection message
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason,
delayInSec,
durationInSec));
await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
Thread.Sleep(1000);
testMessage = ComposeD2CTestMessage(out payload, out p1Value);
await deviceClient.SendEventAsync(testMessage);
sw.Reset();
sw.Start();
while (!isReceived && sw.Elapsed.Minutes < 1)
{
var events = await eventHubReceiver.ReceiveAsync(int.MaxValue, TimeSpan.FromSeconds(5));
isReceived = VerifyTestMessage(events, deviceInfo.Item1, payload, p1Value);
}
sw.Stop();
await deviceClient.CloseAsync();
if (transport != Client.TransportType.Http1)
{
Assert.AreEqual(2, setConnectionStatusChangesHandlerCount);
Assert.AreEqual(ConnectionStatus.Disabled, lastConnectionStatus);
Assert.AreEqual(ConnectionStatusChangeReason.Client_Close, lastConnectionStatusChangeReason);
}
}
finally
{
await deviceClient.CloseAsync();
await eventHubReceiver.CloseAsync();
await eventHubClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
sequentialTestSemaphore.Release(1);
}
}
private async Task Twin_DeviceDesiredPropertyUpdateRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
var tcs = new TaskCompletionSource <bool>();
var propName = Guid.NewGuid().ToString();
var propValue = Guid.NewGuid().ToString();
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
var deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
ConnectionStatus? lastConnectionStatus = null;
ConnectionStatusChangeReason?lastConnectionStatusChangeReason = null;
int setConnectionStatusChangesHandlerCount = 0;
var tcsConnected = new TaskCompletionSource <bool>();
var tcsDisconnected = new TaskCompletionSource <bool>();
deviceClient.SetConnectionStatusChangesHandler((status, statusChangeReason) =>
{
if (status == ConnectionStatus.Disconnected_Retrying)
{
tcsDisconnected.TrySetResult(true);
Assert.AreEqual(ConnectionStatusChangeReason.No_Network, statusChangeReason);
}
else if (status == ConnectionStatus.Connected)
{
tcsConnected.TrySetResult(true);
}
lastConnectionStatus = status;
lastConnectionStatusChangeReason = statusChangeReason;
setConnectionStatusChangesHandlerCount++;
});
await deviceClient.SetDesiredPropertyUpdateCallbackAsync((patch, context) =>
{
return(Task.Run(() =>
{
try
{
Assert.AreEqual(patch[propName].ToString(), propValue);
}
catch (Exception e)
{
tcs.SetException(e);
}
finally
{
tcs.SetResult(true);
}
}));
}, null).ConfigureAwait(false);
// assert on successfuly connection
await Task.WhenAny(
Task.Run(async() =>
{
await Task.Delay(1000).ConfigureAwait(false);
}), tcsConnected.Task).ConfigureAwait(false);
Assert.IsTrue(tcsConnected.Task.IsCompleted, "Initial connection failed");
if (transport != Client.TransportType.Http1)
{
Assert.AreEqual(1, setConnectionStatusChangesHandlerCount);
Assert.AreEqual(ConnectionStatus.Connected, lastConnectionStatus);
Assert.AreEqual(ConnectionStatusChangeReason.Connection_Ok, lastConnectionStatusChangeReason);
}
var twinPatch = new Twin();
twinPatch.Properties.Desired[propName] = propValue;
await registryManager.UpdateTwinAsync(deviceInfo.Item1, twinPatch, "*").ConfigureAwait(false);
await tcs.Task.ConfigureAwait(false);
// send error command
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec)).ConfigureAwait(false);
// reset ConnectionStatusChangesHandler data
setConnectionStatusChangesHandlerCount = 0;
tcsConnected = new TaskCompletionSource <bool>();
tcsDisconnected = new TaskCompletionSource <bool>();
// wait for disconnection
await Task.WhenAny(
Task.Run(async() =>
{
await Task.Delay(TimeSpan.FromSeconds(10)).ConfigureAwait(false);
}), tcsDisconnected.Task).ConfigureAwait(false);
Assert.IsTrue(tcsDisconnected.Task.IsCompleted, "Error injection did not interrupt the device");
// allow max 30s for connection recovery
await Task.WhenAny(
Task.Run(async() =>
{
await Task.Delay(TimeSpan.FromSeconds(10)).ConfigureAwait(false);
return(Task.FromResult(true));
}), tcsConnected.Task).ConfigureAwait(false);
Assert.IsTrue(tcsConnected.Task.IsCompleted, "Recovery connection failed");
tcs = new TaskCompletionSource <bool>();
twinPatch = new Twin();
twinPatch.Properties.Desired[propName] = propValue;
await registryManager.UpdateTwinAsync(deviceInfo.Item1, twinPatch, "*").ConfigureAwait(false);
await tcs.Task.ConfigureAwait(false);
await deviceClient.CloseAsync().ConfigureAwait(false);
await TestUtil.RemoveDeviceAsync(deviceInfo.Item1, registryManager).ConfigureAwait(false);
}
private async Task SendMethodAndRespondRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
var assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
ConnectionStatus? lastConnectionStatus = null;
ConnectionStatusChangeReason?lastConnectionStatusChangeReason = null;
int setConnectionStatusChangesHandlerCount = 0;
var tcsConnected = new TaskCompletionSource <bool>();
var tcsDisconnected = new TaskCompletionSource <bool>();
deviceClient.SetConnectionStatusChangesHandler((status, statusChangeReason) =>
{
Debug.WriteLine("Connection Changed to {0} because {1}", status, statusChangeReason);
if (status == ConnectionStatus.Disconnected_Retrying)
{
tcsDisconnected.TrySetResult(true);
Assert.AreEqual(ConnectionStatusChangeReason.No_Network, statusChangeReason);
}
else if (status == ConnectionStatus.Connected)
{
tcsConnected.TrySetResult(true);
}
lastConnectionStatus = status;
lastConnectionStatusChangeReason = statusChangeReason;
setConnectionStatusChangesHandlerCount++;
});
await deviceClient.SetMethodHandlerAsync(MethodName,
(request, context) =>
{
assertResult.TrySetResult(new Tuple <bool, bool>(request.Name.Equals(MethodName),
request.DataAsJson.Equals(ServiceRequestJson)));
return(Task.FromResult(new MethodResponse(Encoding.UTF8.GetBytes(DeviceResponseJson), 200)));
},
null);
// assert on successfuly connection
await Task.WhenAny(
Task.Run(async() =>
{
await Task.Delay(1000);
}), tcsConnected.Task);
Assert.IsTrue(tcsConnected.Task.IsCompleted, "Initial connection failed");
if (transport != Client.TransportType.Http1)
{
Assert.AreEqual(1, setConnectionStatusChangesHandlerCount);
Assert.AreEqual(ConnectionStatus.Connected, lastConnectionStatus);
Assert.AreEqual(ConnectionStatusChangeReason.Connection_Ok, lastConnectionStatusChangeReason);
}
// check on normal operation
await
ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, MethodName, DeviceResponseJson,
ServiceRequestJson, assertResult);
// reset ConnectionStatusChangesHandler data
setConnectionStatusChangesHandlerCount = 0;
tcsConnected = new TaskCompletionSource <bool>();
tcsDisconnected = new TaskCompletionSource <bool>();
// send error command
await deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason, delayInSec));
// wait for disconnection
await Task.WhenAny(
Task.Run(async() =>
{
await Task.Delay(TimeSpan.FromSeconds(10));
}), tcsDisconnected.Task);
Assert.IsTrue(tcsDisconnected.Task.IsCompleted, "Error injection did not interrupt the device");
// allow max 3 minutes for connection recovery
await Task.WhenAny(
Task.Run(async() =>
{
////////////////////////change it to 30
await Task.Delay(TimeSpan.FromSeconds(10));
return(Task.FromResult(true));
}), tcsConnected.Task);
Assert.IsTrue(tcsConnected.Task.IsCompleted, "Recovery connection failed");
assertResult = new TaskCompletionSource <Tuple <bool, bool> >();
await
ServiceSendMethodAndVerifyResponse(deviceInfo.Item1, MethodName, DeviceResponseJson,
ServiceRequestJson, assertResult);
setConnectionStatusChangesHandlerCount = 0;
//remove and CloseAsync
await deviceClient.SetMethodHandlerAsync(MethodName, null, null);
if (transport != Client.TransportType.Http1)
{
Assert.AreEqual(1, setConnectionStatusChangesHandlerCount);
Assert.AreEqual(ConnectionStatus.Disabled, lastConnectionStatus);
Assert.AreEqual(ConnectionStatusChangeReason.Client_Close, lastConnectionStatusChangeReason);
}
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
}
async Task uploadFileDisconnectTransport(Client.TransportType transport, string filename, string faultType, string reason, int delayInSec,
int durationInSec = 0, int retryDurationInMilliSec = 24000)
{
Tuple <string, string> deviceInfo = TestUtil.CreateDevice(DevicePrefix, hostName, registryManager);
DeviceClient deviceClient = DeviceClient.CreateFromConnectionString(deviceInfo.Item2, transport);
deviceClient.OperationTimeoutInMilliseconds = (uint)retryDurationInMilliSec;
Task fileuploadTask;
using (FileStream fileStreamSource = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
fileuploadTask = deviceClient.UploadToBlobAsync(filename, fileStreamSource);
// send error command after 400ms to allow time for the actual fileupload operation to start
await Task.Delay(400);
try
{
await
deviceClient.SendEventAsync(TestUtil.ComposeErrorInjectionProperties(faultType, reason,
delayInSec, durationInSec));
}
catch (Exception)
{
// catch and ignore exceptions resulted from error injection and continue to
// check result of the file upload status
}
await fileuploadTask;
}
ServiceClient serviceClient = ServiceClient.CreateFromConnectionString(hubConnectionString);
FileNotificationReceiver <FileNotification> fileNotificationReceiver = serviceClient.GetFileNotificationReceiver();
FileNotification fileNotification;
while (true)
{
// Receive the file notification from queue
fileNotification = await fileNotificationReceiver.ReceiveAsync(TimeSpan.FromSeconds(20));
Assert.IsNotNull(fileNotification);
await fileNotificationReceiver.CompleteAsync(fileNotification);
if (deviceInfo.Item1 == fileNotification.DeviceId)
{
break;
}
}
Assert.AreEqual(deviceInfo.Item1 + "/" + filename, fileNotification.BlobName, "Uploaded file name mismatch in notifications");
Assert.AreEqual(new FileInfo(filename).Length, fileNotification.BlobSizeInBytes, "Uploaded file size mismatch in notifications");
Assert.IsFalse(string.IsNullOrEmpty(fileNotification.BlobUri), "File notification blob uri is null or empty");
await deviceClient.CloseAsync();
await serviceClient.CloseAsync();
TestUtil.RemoveDevice(deviceInfo.Item1, registryManager);
}
