Files
cold_display_guard/tests/test_main.py

114 lines
4.5 KiB
Python

from __future__ import annotations
import json
import tempfile
import unittest
from pathlib import Path
from cold_display_guard.main import restore_runtime_state
class RuntimeRestoreTests(unittest.TestCase):
def test_restore_runtime_state_uses_stable_occupancy_when_raw_metrics_flicker(self) -> None:
with tempfile.TemporaryDirectory() as tmpdir:
diagnostics_path = Path(tmpdir) / "runtime_diagnostics.jsonl"
diagnostics_path.write_text(
json.dumps(
{
"ts": "2026-05-29T10:05:26+08:00",
"zone_counts": {"2": 1},
"diagnostics": {
"baseline_ready": True,
"zones": {
"2": {
"baseline_mean_luma": 165.0,
"baseline_texture": 16.0,
"baseline_dark_fraction": 0.0,
"baseline_bright_fraction": 0.0,
"mean_delta": 17.077,
"texture_delta": 8.819,
"dark_fraction": 0.0357,
"bright_fraction": 0.0,
"raw_occupied": False,
"occupied": True,
"empty_streak": 1,
},
},
},
}
),
encoding="utf-8",
)
_, zone_counts = restore_runtime_state(
diagnostics_path,
{
"runtime": {
"occupancy_mean_delta": 55.0,
"occupancy_texture_delta": 18.0,
"occupancy_dark_fraction": 0.06,
"occupancy_texture_dark_fraction": 0.04,
}
},
)
self.assertEqual(zone_counts, {"2": 1})
def test_restore_runtime_state_uses_dark_fraction_rules(self) -> None:
with tempfile.TemporaryDirectory() as tmpdir:
diagnostics_path = Path(tmpdir) / "runtime_diagnostics.jsonl"
diagnostics_path.write_text(
json.dumps(
{
"ts": "2026-05-29T10:00:00+08:00",
"zone_counts": {"1": 1, "4": 1},
"diagnostics": {
"baseline_ready": True,
"zones": {
"1": {
"baseline_mean_luma": 165.0,
"baseline_texture": 16.0,
"baseline_dark_fraction": 0.0,
"baseline_bright_fraction": 0.0,
"mean_delta": 40.0,
"texture_delta": 18.0,
"dark_fraction": 0.10,
"bright_fraction": 0.0,
},
"4": {
"baseline_mean_luma": 177.0,
"baseline_texture": 9.0,
"baseline_dark_fraction": 0.0,
"baseline_bright_fraction": 0.0,
"mean_delta": 16.0,
"texture_delta": 40.0,
"dark_fraction": 0.0769,
"bright_fraction": 0.3077,
},
},
},
}
),
encoding="utf-8",
)
baselines, zone_counts = restore_runtime_state(
diagnostics_path,
{
"runtime": {
"occupancy_mean_delta": 55.0,
"occupancy_texture_delta": 18.0,
"occupancy_dark_fraction": 0.06,
"occupancy_texture_dark_fraction": 0.04,
}
},
)
self.assertEqual(zone_counts, {"1": 1, "4": 0})
self.assertEqual(baselines["1"].dark_fraction, 0.0)
self.assertEqual(baselines["4"].bright_fraction, 0.0)
if __name__ == "__main__":
unittest.main()