public void StopsTransmissionSendingAndBuffering()
{
var transmitter = new StubTransmitter();
var applicationLifecycle = new StubApplicationLifecycle();
var policy = new ApplicationLifecycleTransmissionPolicy(applicationLifecycle);
policy.Initialize(transmitter);
applicationLifecycle.OnStopping(ApplicationStoppingEventArgs.Empty);
Assert.Equal(0, policy.MaxSenderCapacity);
Assert.Equal(0, policy.MaxBufferCapacity);
}
public void EventHandlerIsNotAssignedInConstructorToPreventRaceConditionWithInitialize()
{
var applicationLifecycle = new StubApplicationLifecycle();
var policy = new ApplicationLifecycleTransmissionPolicy(applicationLifecycle);
bool asyncMethodInvoked = false;
Func<Func<Task>, Task> asyncMethodRunner = asyncMethod =>
{
asyncMethodInvoked = true;
return asyncMethod();
};
applicationLifecycle.OnStopping(new ApplicationStoppingEventArgs(asyncMethodRunner));
Assert.False(asyncMethodInvoked);
}
public void PreventsOperatingSystemFromSuspendingAsynchronousOperations()
{
var applicationLifecycle = new StubApplicationLifecycle();
var buffer = new TelemetryBuffer(new StubTelemetrySerializer(), applicationLifecycle);
buffer.Process(new StubTelemetry());
bool deferralAcquired = false;
Func<Func<Task>, Task> asyncTaskRunner = asyncMethod =>
{
deferralAcquired = true;
return asyncMethod();
};
applicationLifecycle.OnStopping(new ApplicationStoppingEventArgs(asyncTaskRunner));
Assert.True(deferralAcquired);
}
public void FlushesBufferToPreventLossOfTelemetry()
{
var applicationLifecycle = new StubApplicationLifecycle();
var telemetrySerialized = new ManualResetEventSlim();
var serializer = new StubTelemetrySerializer();
serializer.OnSerialize = telemetry =>
{
telemetrySerialized.Set();
};
var buffer = new TelemetryBuffer(serializer, applicationLifecycle);
buffer.Process(new StubTelemetry());
applicationLifecycle.OnStopping(ApplicationStoppingEventArgs.Empty);
Assert.True(telemetrySerialized.Wait(50));
}