20 lines
774 B
Python
20 lines
774 B
Python
from unittest import TestCase as StdlibTestCase
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from unittest.mock import Mock
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from synapse.logging.context import ContextResourceUsage, LoggingContext
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from synapse.metrics.background_process_metrics import _BackgroundProcess
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class TestBackgroundProcessMetrics(StdlibTestCase):
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def test_update_metrics_with_negative_time_diff(self) -> None:
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"""We should ignore negative reported utime and stime differences"""
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usage = ContextResourceUsage()
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usage.ru_stime = usage.ru_utime = -1.0
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mock_logging_context = Mock(spec=LoggingContext)
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mock_logging_context.get_resource_usage.return_value = usage
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process = _BackgroundProcess("test process", mock_logging_context)
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# Should not raise
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process.update_metrics()
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