mirror of
https://github.com/kuhyx/wake-alarm.git
synced 2026-11-10 19:27:02 +01:00
Krzysztof kuhy Rudnicki
728e00cde7
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
"""The fallback ring's per-day latch file."""
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from __future__ import annotations
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from datetime import datetime
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import json
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from pathlib import Path
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from unittest.mock import patch
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from wake_alarm import _fallback_latch
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from wake_alarm._fallback_latch import (
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Latch,
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mark_started,
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mark_stopped,
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read_latch,
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write_latch,
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)
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DAY = "2026-10-01"
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NOW = datetime(2026, 10, 1, 7, 2).astimezone()
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def test_absent_latch_is_none() -> None:
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assert read_latch(DAY) is None
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def test_unreadable_or_other_days_latch_is_none() -> None:
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_fallback_latch.FALLBACK_RING_FILE.write_text("{nope")
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assert read_latch(DAY) is None
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_fallback_latch.FALLBACK_RING_FILE.write_text(json.dumps({"date": "2026-09-30"}))
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assert read_latch(DAY) is None
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_fallback_latch.FALLBACK_RING_FILE.write_text("[]")
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assert read_latch(DAY) is None
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def test_start_then_stop_round_trips_the_contract_shape() -> None:
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latch = mark_started(None, day=DAY, now=NOW, reason="phone_silent")
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assert read_latch(DAY) == latch
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assert latch.started() == NOW
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stopped = mark_stopped(latch, now=NOW, stop_reason="cap")
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on_disk = json.loads(_fallback_latch.FALLBACK_RING_FILE.read_text())
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assert set(on_disk) == {"date", "started_at", "stopped_at", "reason", "stop_reason"}
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assert read_latch(DAY) == stopped
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assert stopped.stop_reason == "cap"
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def test_a_resumed_ring_keeps_its_first_start() -> None:
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first = mark_started(None, day=DAY, now=NOW, reason="phone_silent")
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died = mark_stopped(first, now=NOW, stop_reason="terminated")
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later = datetime(2026, 10, 1, 7, 20).astimezone()
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resumed = mark_started(died, day=DAY, now=later, reason="no_session")
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assert resumed.started_at == first.started_at
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assert resumed.reason == "phone_silent"
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assert resumed.stopped_at is None
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assert resumed.stop_reason is None
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def test_a_latch_without_a_start_starts_fresh() -> None:
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latch = mark_started(Latch(date=DAY), day=DAY, now=NOW, reason="no_session")
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assert latch.started_at == NOW.isoformat()
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assert Latch(date=DAY).started() is None
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def test_write_failure_is_false() -> None:
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with patch.object(Path, "write_text", side_effect=OSError("ro")):
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assert not write_latch(Latch(date=DAY))
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def test_garbage_fields_read_as_none() -> None:
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_fallback_latch.FALLBACK_RING_FILE.write_text(
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json.dumps({"date": DAY, "started_at": None, "stopped_at": 5, "reason": ""})
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)
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assert read_latch(DAY) == Latch(date=DAY)
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