+ def __run_test_group(self, test_group, worker_cmdlines):
+ group_queue = Queue()
+ init_result_queue = Queue()
+ for proc, cmdline in enumerate(worker_cmdlines):
+ prefix = "test%i" % proc if len(worker_cmdlines) > 1 else ""
+ group_queue.put(tuple((cmdline, prefix)))
+
+ # create a pool of worker threads
+ # we will initialize child in the initializer, and we don't need to
+ # close the child because when the pool worker gets destroyed, child
+ # closes the process
+ pool = Pool(processes=len(worker_cmdlines),
+ initializer=pool_init,
+ initargs=(group_queue, init_result_queue))
+
+ results = []
+
+ # process all initialization results
+ for _ in range(len(worker_cmdlines)):
+ self.__process_result(init_result_queue.get())
+
+ # run all tests asynchronously
+ for test in test_group:
+ result = pool.apply_async(run_test, (self.target, test))
+ results.append(result)
+
+ # tell the pool to stop all processes once done
+ pool.close()
+
+ # iterate while we have group execution results to get
+ while len(results) > 0:
+ # iterate over a copy to be able to safely delete results
+ # this iterates over a list of group results
+ for async_result in results[:]:
+ # if the thread hasn't finished yet, continue
+ if not async_result.ready():
+ continue
+
+ res = async_result.get()
+
+ self.__process_result(res)
+
+ # remove result from results list once we're done with it
+ results.remove(async_result)
+