| import logging |
| import time |
|
|
| from app.log_errors import MAX_LINE, ErrorCounter |
|
|
|
|
| def logged(counter, *calls): |
| logger = logging.getLogger("test_log_errors") |
| logger.propagate = False |
| logger.setLevel(logging.DEBUG) |
| logger.addHandler(counter) |
| try: |
| for level, message in calls: |
| logger.log(level, message) |
| finally: |
| logger.removeHandler(counter) |
|
|
|
|
| def test_counts_errors_only_and_windows(): |
| c = ErrorCounter() |
| logged(c, (logging.INFO, "not counted"), (logging.WARNING, "a warning"), |
| (logging.ERROR, "an error"), (logging.CRITICAL, "also counted")) |
| now = time.time() |
| s = c.summary(now) |
| assert s["since_start"] == 2 and s["last_hour"] == 2 and s["last_24h"] == 2 |
| |
| later = c.summary(now + 2 * 86400) |
| assert later["since_start"] == 2 and later["last_24h"] == 0 and later["last_hour"] == 0 |
|
|
|
|
| def test_keeps_the_last_five_warning_or_worse_lines_newest_first(): |
| c = ErrorCounter() |
| logged(c, (logging.DEBUG, "debug"), (logging.INFO, "info"), |
| *[(logging.WARNING, f"warning {i}") for i in range(6)], (logging.ERROR, "x" * 1000)) |
| recent = c.summary()["recent"] |
| assert [r["message"] for r in recent[1:]] == ["warning 5", "warning 4", "warning 3", "warning 2"] |
| assert recent[0]["level"] == "ERROR" and len(recent[0]["message"]) == MAX_LINE |
| assert all(r["logger"] == "test_log_errors" for r in recent) |
|
|
