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rcourtman
2a77054035
Stream ungrouped retained reads in the existing time-major index order, avoiding temporary metric sorts without changing tier reconciliation or chart samples. Extend query-plan and filtered-result coverage. Add an explicit strict mode for the existing 90 ms API budget and an optional fresh-worker CI proof with fixed executable identities and raw capacity evidence. Keep ordinary hosted budgets and required gates intact. Contract-Neutral: Chart payloads, retained-tier reconciliation, sampling, index layout and source/release gates are unchanged; the implementation removes an unnecessary sort and adds controlled verification of existing latency budgets.
40 lines
1.9 KiB
Python
40 lines
1.9 KiB
Python
import unittest
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import chart_latency_proof as proof
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class ChartLatencyProofTests(unittest.TestCase):
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def test_guest_time_is_not_counted_twice(self):
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before = dict(time=0, cpu=[0] * 10, swaps={'pswpin': 0, 'pswpout': 0})
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after = dict(time=1, cpu=[20, 0, 0, 80, 0, 0, 0, 0, 10, 0],
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swaps=before['swaps'], load=[0.5, 0.5, 0.5], pressure={})
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row = proof.interval(before, after)
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self.assertEqual(row['total_ticks'], 100)
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self.assertEqual(row['busy_pct'], 20)
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self.assertEqual(row['guest_pct'], 10)
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def test_idle_requires_cpu_io_and_swap_quiet(self):
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row = dict(total_ticks=100, load=[1, 1, 1], idle_pct=95, iowait_pct=0,
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steal_pct=0, guest_pct=0, swap_pages=0)
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self.assertTrue(proof.quiet(row))
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for field, value in [('total_ticks', 0), ('load', [2, 1, 1]), ('idle_pct', 89),
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('iowait_pct', 2), ('steal_pct', 1), ('guest_pct', 3), ('swap_pages', 1)]:
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with self.subTest(field=field):
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self.assertFalse(proof.quiet(dict(row, **{field: value})))
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def test_skip_or_hosted_pass_cannot_satisfy_local_slo(self):
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report = 'charts/workloads p50=40ms p95=50ms p99=60ms SLO=90ms\n'
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passed = report + '--- PASS: TestSLO_WorkloadCharts (1.0s)\n'
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proof.validate_output(passed, 0, strict=True)
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for text, status in [(report + '--- SKIP: TestSLO_WorkloadCharts (1.0s)\n', 0),
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(passed.replace('90ms', '550ms'), 0), (passed, 1), ('PASS\n', 0),
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(passed + report, 0), (passed + passed, 0),
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(passed + '--- SKIP: TestSLO_WorkloadCharts (1.0s)\n', 0)]:
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with self.subTest(text=text, status=status):
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with self.assertRaises(RuntimeError):
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proof.validate_output(text, status, strict=True)
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if __name__ == '__main__':
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unittest.main()
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