/// <summary>
/// Get the file details for the specified resource
/// </summary>
/// <param name="resource">A resource to load</param>
/// <returns>File datails</returns>
private IResourceDetails GetFileDetails(IResource resource)
{
RetryPolicy retryPolicy = RetryPolicy ?? RetryPolicy.None;
RetryCounter retryCounter = new RetryCounter(retryPolicy);
int iteration = 0;
Tuple <ResourceReadStatus, IResourceDetails> finalStatus = retryCounter.Run(
() =>
{
iteration++;
ULSLogging.LogTraceTag(0x238208cd /* tag_9669n */, Categories.ConfigurationDataSet, Levels.Verbose,
"Attempting data set load for resource '{0}' in iteration '{1}' of '{2}'.",
resource.Name, iteration, retryPolicy.RetryLimit);
Tuple <ResourceReadStatus, IResourceDetails> status = resource.Read();
return(Tuple.Create(status.Item1 == ResourceReadStatus.Success, status));
});
if (finalStatus.Item1 != ResourceReadStatus.Success)
{
ULSLogging.LogTraceTag(0x238208ce /* tag_9669o */, Categories.ConfigurationDataSet, Levels.Warning,
"Failed to read resource '{0}' as the file read status is '{1}'.",
resource.Name, finalStatus);
return(null);
}
return(finalStatus.Item2);
}
private void DoNumberOfCallsTesting(RetryCounter retryCounter, int expectedNumbersOfCall)
{
AtomicCounter callsCount = new AtomicCounter();
int result = retryCounter.Run(() => TestFunc(callsCount));
Assert.Equal(expectedNumbersOfCall, result);
}
public void RetryCounter_AttemptsShouldStopOnSuccessfullCall()
{
int retryLimit = 10;
RetryPolicy policy = new RetryPolicy(null, 0, retryLimit);
RetryCounter counter = new RetryCounter(policy);
DoNumberOfCallsTesting(counter, SuccessfulCallNumber);
}
public void RetryCounter_ZeroLimit_PerformsNoAttempts()
{
int exponent = 5;
int retryLimit = 0;
RetryPolicy policy = new RetryPolicy(new LinearBackoffPolicy(), exponent, retryLimit);
RetryCounter counter = new RetryCounter(policy);
DoNumberOfCallsTesting(counter, 1);
}
public void RetryCounter_CounterMakesExpectedNumberOfAttempts()
{
int exponent = 5;
int retryLimit = 3;
RetryPolicy policy = new RetryPolicy(new LinearBackoffPolicy(), exponent, retryLimit);
RetryCounter counter = new RetryCounter(policy);
DoNumberOfCallsTesting(counter, retryLimit + 1);
}
