private async Task Twin_DeviceDesiredPropertyUpdateRecoveryAsync(
Client.TransportType transport,
string faultType,
string reason,
int delayInSec)
{
TestDeviceCallbackHandler testDeviceCallbackHandler = null;
var registryManager = RegistryManager.CreateFromConnectionString(Configuration.IoTHub.ConnectionString);
using var cts = new CancellationTokenSource(FaultInjection.RecoveryTimeMilliseconds);
var propName = Guid.NewGuid().ToString();
var props = new TwinCollection();
// Configure the callback and start accepting twin changes.
Func <DeviceClient, TestDevice, Task> initOperation = async(deviceClient, testDevice) =>
{
testDeviceCallbackHandler = new TestDeviceCallbackHandler(deviceClient);
await testDeviceCallbackHandler.SetTwinPropertyUpdateCallbackHandlerAsync(propName).ConfigureAwait(false);
};
// Change the twin from the service side and verify the device received it.
Func <DeviceClient, TestDevice, Task> testOperation = async(deviceClient, testDevice) =>
{
var propValue = Guid.NewGuid().ToString();
testDeviceCallbackHandler.ExpectedTwinPropertyValue = propValue;
s_log.WriteLine($"{nameof(Twin_DeviceDesiredPropertyUpdateRecoveryAsync)}: name={propName}, value={propValue}");
Task serviceSendTask = RegistryManagerUpdateDesiredPropertyAsync(testDevice.Id, propName, propValue);
Task twinReceivedTask = testDeviceCallbackHandler.WaitForTwinCallbackAsync(cts.Token);
var tasks = new List <Task>()
{
serviceSendTask, twinReceivedTask
};
while (tasks.Count > 0)
{
Task completedTask = await Task.WhenAny(tasks).ConfigureAwait(false);
completedTask.GetAwaiter().GetResult();
tasks.Remove(completedTask);
}
};
await FaultInjection
.TestErrorInjectionAsync(
s_devicePrefix,
TestDeviceType.Sasl,
transport,
faultType,
reason,
delayInSec,
FaultInjection.DefaultDurationInSec,
initOperation,
testOperation,
() => { return(Task.FromResult(false)); })
.ConfigureAwait(false);
}
private async Task Twin_DeviceDesiredPropertyUpdateRecovery(Client.TransportType transport, string faultType, string reason, int delayInSec)
{
TestDeviceCallbackHandler testDeviceCallbackHandler = null;
RegistryManager registryManager = RegistryManager.CreateFromConnectionString(Configuration.IoTHub.ConnectionString);
var cts = new CancellationTokenSource(FaultInjection.RecoveryTimeMilliseconds);
var propName = Guid.NewGuid().ToString();
var props = new TwinCollection();
// Configure the callback and start accepting twin changes.
Func <DeviceClient, TestDevice, Task> initOperation = async(deviceClient, testDevice) =>
{
testDeviceCallbackHandler = new TestDeviceCallbackHandler(deviceClient);
await testDeviceCallbackHandler.SetTwinPropertyUpdateCallbackHandlerAsync(propName).ConfigureAwait(false);
};
// Change the twin from the service side and verify the device received it.
Func <DeviceClient, TestDevice, Task> testOperation = async(deviceClient, testDevice) =>
{
var propValue = Guid.NewGuid().ToString();
testDeviceCallbackHandler.ExpectedTwinPropertyValue = propValue;
s_log.WriteLine($"{nameof(Twin_DeviceDesiredPropertyUpdateRecovery)}: name={propName}, value={propValue}");
Task serviceSendTask = RegistryManagerUpdateDesiredPropertyAsync(testDevice.Id, propName, propValue);
Task twinReceivedTask = testDeviceCallbackHandler.WaitForTwinCallbackAsync(cts.Token);
var tasks = new List <Task>()
{
serviceSendTask, twinReceivedTask
};
while (tasks.Count > 0)
{
Task completedTask = await Task.WhenAny(tasks).ConfigureAwait(false);
completedTask.GetAwaiter().GetResult();
tasks.Remove(completedTask);
}
};
// This is a simple hack to ensure that we're still exercising these tests while we address the race conditions causing the following issues:
// [Ignore] // TODO: #571
// [Ignore] // TODO: #558
int retryCount = 3;
while (retryCount-- > 0)
{
try
{
await FaultInjection.TestErrorInjectionAsync(
DevicePrefix,
TestDeviceType.Sasl,
transport,
faultType,
reason,
delayInSec,
FaultInjection.DefaultDurationInSec,
initOperation,
testOperation,
() => { return(Task.FromResult <bool>(false)); }).ConfigureAwait(false);
}
catch (DeviceNotFoundException e)
{
s_log.WriteLine($"Retrying fault injection test ({retryCount} left)");
}
}
}