private async Task <IBoxResponse <T> > ExecuteRequest <T>(IBoxRequest request, bool queueRequest)
where T : class
{
var response = queueRequest ?
await _service.EnqueueAsync <T>(request).ConfigureAwait(false) :
await _service.ToResponseAsync <T>(request).ConfigureAwait(false);
switch (response.Status)
{
// Refresh the access token if the status is "Unauthorized" (HTTP Status Code 401: Unauthorized)
// This will only be attempted once as refresh tokens are single use
case ResponseStatus.Unauthorized:
response = await RetryExpiredTokenRequest <T>(request).ConfigureAwait(false);
break;
// Continue to retry the request if the status is "Pending" (HTTP Status Code 202: Approved)
// this will occur if a preview/thumbnail is not ready yet
case ResponseStatus.Pending:
response = await ExecuteRequest <T>(request, queueRequest).ConfigureAwait(false);
break;
}
return(response);
}
public async Task QueueTask_MultipleThreads_OrderedResponse()
{
/*** Arrange ***/
var numTasks = 1000;
var count = 0;
// Increments the access token each time a call is made to the API
_handler.Setup(h => h.ExecuteAsync <OAuthSession>(It.IsAny <IBoxRequest>()))
.Returns(() => Task.FromResult <IBoxResponse <OAuthSession> >(new BoxResponse <OAuthSession>()
{
Status = ResponseStatus.Success,
ContentString = "{\"access_token\": \"" + count + "\",\"expires_in\": 3600,\"token_type\": \"bearer\",\"refresh_token\": \"J7rxTiWOHMoSC1isKZKBZWizoRXjkQzig5C6jFgCVJ9bUnsUfGMinKBDLZWP9BgR\"}"
})).Callback(() => System.Threading.Interlocked.Increment(ref count));
/*** Act ***/
IBoxRequest request = new BoxRequest(new Uri("http://box.com"), "folders");
var tasks = new List <Task <IBoxResponse <OAuthSession> > >();
for (var i = 0; i < numTasks; i++)
{
tasks.Add(_service.EnqueueAsync <OAuthSession>(request));
}
await Task.WhenAll(tasks);
/*** Assert ***/
for (var i = 0; i < numTasks; i++)
{
OAuthSession session = _converter.Parse <OAuthSession>(tasks[i].Result.ContentString);
Assert.AreEqual(session.AccessToken, i.ToString());
}
}
private async Task <IBoxResponse <T> > ExecuteRequest <T>(IBoxRequest request, bool queueRequest)
where T : class
{
var response = queueRequest ?
await _service.EnqueueAsync <T>(request).ConfigureAwait(false) :
await _service.ToResponseAsync <T>(request).ConfigureAwait(false);
if (response.Status == ResponseStatus.Unauthorized)
{
// Refresh the access token if the status is "Unauthorized" (HTTP Status Code 401: Unauthorized)
// This will only be attempted once as refresh tokens are single use
response = await RetryExpiredTokenRequest <T>(request).ConfigureAwait(false);
}
return(response);
}
private async Task <IBoxResponse <T> > ExecuteRequest <T>(IBoxRequest request, bool queueRequest)
where T : class
{
var response = queueRequest ?
await _service.EnqueueAsync <T>(request).ConfigureAwait(false) :
await _service.ToResponseAsync <T>(request).ConfigureAwait(false);
switch (response.Status)
{
// Continue to retry the request if the status is "Pending" (HTTP Status Code 202: Approved)
// this will occur if a preview/thumbnail is not ready yet
case ResponseStatus.Pending:
response = await ExecuteRequest <T>(request, queueRequest).ConfigureAwait(false);
break;
}
return(response);
}