Add properties/methods to sender header (testing)

Classes/BITSender.h

@@ -7,6 +7,7 @@
 @class BITPersistence;
 
 NS_ASSUME_NONNULL_BEGIN
+
 /**
  * Utility class that's responsible for sending a bundle of data to the server
  */
@@ -25,16 +26,16 @@ NS_ASSUME_NONNULL_BEGIN
  */
 - (instancetype)initWithPersistence:(BITPersistence *)persistence serverURL:(NSURL *)serverURL;
 
-/**
- *	Access to the internal operation queue
- */
-@property (nonatomic, strong) NSOperationQueue *operationQueue;
-
 /**
  *  A queue which is used to handle BITHTTPOperation completion blocks.
  */
 @property (nonatomic, strong) dispatch_queue_t senderQueue;
 
+/**
+ *  A queue for processing http operations (iOS < 7)
+ */
+@property (nonatomic, strong) NSOperationQueue *operationQueue;
+
 /**
  *  The endpoint url of the telemetry server.
  */
@@ -65,19 +66,49 @@ NS_ASSUME_NONNULL_BEGIN
 ///-----------------------------------------------------------------------------
 
 /**
- *  Triggers sending the saved data. Does nothing if nothing has been persisted, yet. This method should be called by BITTelemetryManager on app start.
+ *  Creates a request for the given data and forwards that in order to send it out.
+ *
+ *  @param data the telemetry data which should be sent
+ *  @param path a reference of path to the file which should be sent (needed to delete it after sending)
+ */
+- (void)sendData:(NSData * __nonnull)data withPath:(NSString * __nonnull)path;
+
+/**
+ *  Triggers sending the saved data on a background thread. Does nothing if nothing has been persisted, yet. This method should be called by BITTelemetryManager on app start.
+ */
+- (void)sendSavedDataAsync;
+
+/**
+ *  Triggers sending the saved data.
  */
 - (void)sendSavedData;
 
 /**
- *  Creates a HTTP operation and puts it to the queue.
+ *  Creates a HTTP operation/session task and puts it to the queue.
  *
  *  @param request a request for sending a data object to the telemetry server
  *  @param path path to the file which should be sent
- *  @param urlSessionSupported a flag which determines whether to use NSURLConnection or NSURLSession for sending out data
+ *  @param isUrlSessionSupported a flag which determines whether to use NSURLConnection or NSURLSession for sending out data
  */
 - (void)sendRequest:(NSURLRequest * __nonnull)request path:(NSString * __nonnull)path urlSessionSupported:(BOOL)isUrlSessionSupported;
 
+/**
+ *  Resumes the given NSURLSessionDataTask instance.
+ *
+ *  @param sessionDataTask the task which should be resumed
+ */
+- (void)resumeSessionDataTask:(NSURLSessionDataTask *)sessionDataTask;
+
+/**
+ *  Deletes or unblocks sent file according to the given response code.
+ *
+ *  @param statusCode the status code of the response
+ *  @param responseCode the data of the response
+ *  @param filePath the path of the file which content has been sent to the server
+ *  @param error an error object sent from the server
+ */
+- (void)handleResponseWithStatusCode:(NSInteger)statusCode responseData:(NSData *)responseData filePath:(NSString *)filePath error:(NSError *)error;
+
 ///-----------------------------------------------------------------------------
 /// @name Helper
 ///-----------------------------------------------------------------------------