tegwick
3e537d117f
Assistant: codex Assistant-Model: gpt-6-astra Assistant-Session: 01a0e6f0-a6f6-7b93-9124-55ef584930e2
59 lines
2.7 KiB
Python
59 lines
2.7 KiB
Python
from copy import deepcopy
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import pytest
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from railiance_clock import attribution
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from railiance_clock.client import Clock, FileTrust
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from railiance_clock.core import ClockError
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def test_disabled_attribution_does_not_construct_clock(monkeypatch):
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monkeypatch.delenv('TEST_CLOCK_TRUST', raising=False)
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def unexpected(_):
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pytest.fail('unconfigured attribution constructed a clock')
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monkeypatch.setattr(attribution, '_clock', unexpected)
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assert attribution.from_environment('TEST_CLOCK_TRUST') == {}
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def test_recording_evidence_preserves_original_event(setup, monkeypatch):
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path, _, timer, transport = setup
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clock = Clock(FileTrust(path), timer=timer, transport=transport)
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monkeypatch.setenv('TEST_CLOCK_TRUST', str(path))
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monkeypatch.setattr(attribution, '_clock', lambda _: clock)
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event = {'event_id': 'old-event', 'timestamp': '1999-01-01T10:00:00+01:00',
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'clock_domain': 'old-boot', 'sequence': 7, 'predecessors': ['earlier']}
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original = deepcopy(event)
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evidence = attribution.from_environment('TEST_CLOCK_TRUST')
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enriched = {**event, **evidence}
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assert event == original
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assert all(enriched[k] == v for k, v in original.items())
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assert set(evidence) == {'railiance_time'}
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sample = evidence['railiance_time']
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assert sample['kind'] == 'recording_time' and sample['status'] == 'usable'
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assert sample['lower_ns'] <= sample['upper_ns']
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assert sample['sample_id'] and sample['authority_id'] == 'railiance01'
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assert 'occurrence_time' not in sample
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# A wall-clock label is retained as provenance, not recalibrated by this API.
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assert enriched['timestamp'] == original['timestamp']
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@pytest.mark.parametrize('error', [OSError('secret-path'), ClockError('private reason'),
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KeyError('private field'), TypeError('private type')])
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def test_unavailable_attribution_is_sanitized(monkeypatch, error):
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monkeypatch.setenv('TEST_CLOCK_TRUST', '/unused')
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def unavailable(_):
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raise error
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monkeypatch.setattr(attribution, '_clock', unavailable)
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assert attribution.from_environment('TEST_CLOCK_TRUST') == {
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'railiance_time': {'status': 'unavailable', 'kind': 'recording_time'}}
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def test_expired_cached_clock_never_returns_old_evidence(setup, monkeypatch):
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path, _, timer, transport = setup
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clock = Clock(FileTrust(path), timer=timer, transport=transport)
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monkeypatch.setenv('TEST_CLOCK_TRUST', str(path))
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monkeypatch.setattr(attribution, '_clock', lambda _: clock)
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assert attribution.from_environment('TEST_CLOCK_TRUST')['railiance_time']['status'] == 'usable'
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timer.n = 61_000_000_000
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assert attribution.from_environment('TEST_CLOCK_TRUST') == {
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'railiance_time': {'status': 'unavailable', 'kind': 'recording_time'}}
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