mirror of
https://github.com/kuhyx/screen-locker.git
synced 2026-11-11 16:14:01 +01:00
Krzysztof kuhy Rudnicki
4a36b6b264
Booleaness asserts, hoisted imports, fixture(name=...) instead of shadowing arguments, explicit encodings, snake_case names, comparison of bound methods, dead protected-access disables. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WzxdWYdwRAtMg7ki6TKxuU
90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
"""A backend that answers with stale data must still be called broken.
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The 2026-08-24 lockout had two causes and only one of them raised. These
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tests cover the silent one: the GitHub mirror answered every request
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correctly while the phone had stopped writing to it nine days earlier.
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"""
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from __future__ import annotations
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from datetime import UTC, datetime, timedelta
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from screen_locker import _sync_client
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from screen_locker._source_health import (
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SourceFinding,
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collect_source_findings,
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describe_staleness,
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explain_findings,
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)
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_NOW = datetime(2026, 8, 24, 12, 0, tzinfo=UTC)
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class TestCollectSourceFindings:
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"""The healthy machine must produce no findings at all.
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An always-on warning is one nobody reads. If a fresh, working sync still
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printed "this may be wrong", the panel added for 2026-08-24 would become
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background noise and stop carrying information.
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"""
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def test_healthy_and_fresh_reports_nothing(self) -> None:
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"""No dead backend and recent data means silence."""
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_sync_client.clear_degraded_sources()
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findings = collect_source_findings(
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newest_synced=_NOW - timedelta(hours=3), now=_NOW
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)
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assert findings == []
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class TestDescribeStaleness:
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"""Turning "answered fine, but the data is old" into a stated fault."""
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def test_fresh_source_is_not_a_finding(self) -> None:
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"""Today's data must not raise an alarm."""
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newest = _NOW - timedelta(hours=3)
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assert describe_staleness("GitHub mirror", newest, now=_NOW) is None
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def test_nine_day_silence_is_reported_with_its_age(self) -> None:
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"""The real 2026-08-15 mirror silence, named in days."""
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newest = datetime(2026, 8, 15, 18, 0, tzinfo=UTC)
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finding = describe_staleness("GitHub mirror", newest, now=_NOW)
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assert finding is not None
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assert "8 days" in finding.headline
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assert "2026-08-15" in finding.detail
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def test_boundary_is_not_flagged(self) -> None:
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"""Just inside the window stays quiet, so rest days do not cry wolf."""
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newest = _NOW - timedelta(days=1, hours=23)
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assert describe_staleness("GitHub mirror", newest, now=_NOW) is None
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def test_empty_backend_is_its_own_finding(self) -> None:
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""" "Answered with nothing" is different from "answered with old"."""
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finding = describe_staleness("Firebase", None, now=_NOW)
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assert finding is not None
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assert "no workouts at all" in finding.headline
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class TestExplainFindings:
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"""The text a locked-out user actually reads."""
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def test_no_findings_render_nothing(self) -> None:
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"""A healthy machine must not show a diagnostics block."""
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assert not explain_findings([])
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def test_findings_name_the_backend_and_the_consequence(self) -> None:
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"""The panel must say it is a sync fault, not a missed workout."""
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text = explain_findings(
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[SourceFinding("Firebase", "Firebase is unreadable", "HTTP 400.")]
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)
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assert "Firebase is unreadable" in text
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assert "sync fault, not a missed workout" in text
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