Test sequence number consistency across reads
(self)
| 319 | assert isinstance(data, list), "Thread 0 should return list" |
| 320 | |
| 321 | def test_ring_buffer_sequence_consistency(self): |
| 322 | """Test sequence number consistency across reads""" |
| 323 | ring_name = "/test/ring_buffer_seq" |
| 324 | |
| 325 | # Step 1: Create ring buffer |
| 326 | cli_cmd = ( |
| 327 | f"test stats ring-buffer-gen {ring_name} 10 {INTERVAL_USEC} {RING_SIZE}" |
| 328 | ) |
| 329 | result = self.vapi.cli(cli_cmd) |
| 330 | assert "Generated" in result, f"CLI failed: {result}" |
| 331 | |
| 332 | # Step 2: Get ring buffer |
| 333 | ring_buffer = self.statistics.get_ring_buffer(f"{ring_name}") |
| 334 | |
| 335 | # Step 3: Read metadata multiple times to check consistency |
| 336 | metadata1 = ring_buffer._get_thread_metadata(0) |
| 337 | time.sleep(0.01) # Small delay |
| 338 | metadata2 = ring_buffer._get_thread_metadata(0) |
| 339 | |
| 340 | # Sequence numbers should be consistent (same or increasing) |
| 341 | assert ( |
| 342 | metadata2["sequence"] >= metadata1["sequence"] |
| 343 | ), "Sequence should be monotonically increasing" |
| 344 | |
| 345 | def test_ring_buffer_polling_with_callback(self): |
| 346 | """Test ring buffer polling with callback function""" |
nothing calls this directly
no test coverage detected