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chore: import upstream snapshot with attribution
2026-07-13 13:35:45 +08:00

50 lines
1.7 KiB
Python

# Copyright 2025 Collate
# Licensed under the Collate Community License, Version 1.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# https://github.com/open-metadata/OpenMetadata/blob/main/ingestion/LICENSE
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Monitor — interval scheduling, lifecycle, and the never-crash guard."""
import logging
import time
from metadata.ingestion.diagnostics.monitors.monitor import Monitor
def test_monitor_runs_check_until_stopped():
calls = []
monitor = Monitor("diag-test", 0.02, lambda: calls.append(1))
monitor.start()
time.sleep(0.1)
monitor.stop()
monitor.join(timeout=1.0)
assert not monitor.is_alive()
assert len(calls) >= 2
def test_monitor_logs_and_continues_when_check_raises(caplog):
state = {"n": 0}
def boom():
state["n"] += 1
raise ValueError("kaboom")
monitor = Monitor("diag-test", 0.02, boom)
with caplog.at_level(logging.ERROR, logger="metadata.Diagnostics"):
monitor.start()
time.sleep(0.1)
monitor.stop()
monitor.join(timeout=1.0)
# The guard caught each raise and the loop kept going (multiple calls)...
assert state["n"] >= 2
# ...logging the error under the name-derived label.
messages = "\n".join(r.getMessage() for r in caplog.records)
assert "diag.test.error" in messages
assert "kaboom" in messages