| 506 | ] |
| 507 | |
| 508 | def test_fuzz(self): |
| 509 | # Set up two channels over the same stream that send messages to each other |
| 510 | # asynchronously, and record everything that they send and receive. |
| 511 | # All records should match at the end. |
| 512 | |
| 513 | class Fuzzer(object): |
| 514 | def __init__(self, name): |
| 515 | self.name = name |
| 516 | self.lock = threading.Lock() |
| 517 | self.sent = [] |
| 518 | self.received = [] |
| 519 | self.responses_sent = [] |
| 520 | self.responses_received = [] |
| 521 | self.done = False |
| 522 | |
| 523 | def start(self, channel): |
| 524 | self._worker = threading.Thread( |
| 525 | name=self.name, |
| 526 | target=lambda: self._send_requests_and_events(channel), |
| 527 | ) |
| 528 | self._worker.daemon = True |
| 529 | self._worker.start() |
| 530 | |
| 531 | def wait(self): |
| 532 | self._worker.join() |
| 533 | |
| 534 | def done_event(self, event): |
| 535 | with self.lock: |
| 536 | self.done = True |
| 537 | |
| 538 | def fizz_event(self, event): |
| 539 | assert event.event == "fizz" |
| 540 | with self.lock: |
| 541 | self.received.append(("event", "fizz", event.body)) |
| 542 | |
| 543 | def buzz_event(self, event): |
| 544 | assert event.event == "buzz" |
| 545 | with self.lock: |
| 546 | self.received.append(("event", "buzz", event.body)) |
| 547 | |
| 548 | def event(self, event): |
| 549 | with self.lock: |
| 550 | self.received.append(("event", event.event, event.body)) |
| 551 | |
| 552 | def make_and_log_response(self, request): |
| 553 | x = random.randint(-100, 100) |
| 554 | if x < 0: |
| 555 | exc_type = ( |
| 556 | messaging.InvalidMessageError |
| 557 | if x % 2 |
| 558 | else messaging.MessageHandlingError |
| 559 | ) |
| 560 | x = exc_type(str(x), request) |
| 561 | with self.lock: |
| 562 | self.responses_sent.append((request.seq, x)) |
| 563 | return x |
| 564 | |
| 565 | def fizz_request(self, request): |