Files
serato-doctor/tests/test_repair.py
2026-07-01 16:18:30 -07:00

102 lines
3.4 KiB
Python

from pathlib import Path
import pytest
from serato_doctor.repair import (
BACKUP_FOLDER,
apply_duplicate_repair,
apply_duplicate_repair_batch,
list_backups,
plan_duplicate_repair,
restore_backup,
rotate_backups,
)
def library(tmp_path):
serato = tmp_path / "_Serato_"
crate = serato / "Subcrates" / "House.crate"
crate.parent.mkdir(parents=True)
crate.write_bytes(b"crate-data")
(serato / "database V2").write_bytes(b"database-data")
music = tmp_path / "Music"
keeper = music / "Main" / "Track.mp3"
duplicate = music / "Old" / "Track.mp3"
keeper.parent.mkdir(parents=True)
duplicate.parent.mkdir(parents=True)
keeper.write_bytes(b"keeper")
duplicate.write_bytes(b"duplicate")
return serato, keeper, duplicate
def test_duplicate_repair_backs_up_then_preserves_old_path_as_link(tmp_path):
serato, keeper, duplicate = library(tmp_path)
plan = plan_duplicate_repair(keeper, (keeper, duplicate), serato)
receipt = apply_duplicate_repair(plan, serato, backup_limit=3)
assert duplicate.is_symlink()
assert duplicate.resolve() == keeper.resolve()
assert (receipt.backup / "manifest.json").is_file()
assert any((receipt.backup / "serato-metadata").rglob("House.crate"))
assert any((receipt.backup / "serato-metadata").rglob("database V2"))
history = list_backups(serato)
assert len(history) == 1
assert history[0].status == "ready"
assert history[0].size_bytes > 0
restored = restore_backup(receipt.backup)
assert restored == (duplicate.resolve(),)
assert not duplicate.is_symlink()
assert duplicate.read_bytes() == b"duplicate"
assert list_backups(serato)[0].status == "restored"
def test_plan_rejects_keeper_outside_duplicate_group(tmp_path):
serato, keeper, duplicate = library(tmp_path)
outsider = tmp_path / "outsider.mp3"
outsider.write_bytes(b"other")
with pytest.raises(ValueError, match="must belong"):
plan_duplicate_repair(outsider, (keeper, duplicate), serato)
def test_backup_rotation_can_be_limited_or_unlimited(tmp_path):
root = tmp_path / BACKUP_FOLDER
for name in ("001", "002", "003"):
backup = root / name
backup.mkdir(parents=True)
(backup / "manifest.json").write_text("{}", encoding="utf-8")
rotate_backups(root, None)
assert len(list(root.iterdir())) == 3
rotate_backups(root, 2)
assert {path.name for path in root.iterdir()} == {"002", "003"}
def test_batch_repair_uses_one_backup_and_restores_every_group(tmp_path):
serato, first_keeper, first_duplicate = library(tmp_path)
second_keeper = tmp_path / "Music" / "Main" / "Other.mp3"
second_duplicate = tmp_path / "Music" / "Old" / "Other.mp3"
second_keeper.write_bytes(b"other-keeper")
second_duplicate.write_bytes(b"other-duplicate")
plans = (
plan_duplicate_repair(
first_keeper, (first_keeper, first_duplicate), serato
),
plan_duplicate_repair(
second_keeper, (second_keeper, second_duplicate), serato
),
)
receipt = apply_duplicate_repair_batch(plans, serato, backup_limit=10)
assert first_duplicate.is_symlink()
assert second_duplicate.is_symlink()
assert len(list((serato / BACKUP_FOLDER).iterdir())) == 1
assert len(receipt.replaced) == 2
restore_backup(receipt.backup)
assert first_duplicate.read_bytes() == b"duplicate"
assert second_duplicate.read_bytes() == b"other-duplicate"