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from datetime import datetime, timezone
from pathlib import Path
import tempfile
import unittest
from parley.persistence import save_transcript
class PersistenceTests(unittest.TestCase):
def setUp(self) -> None:
self.temporary = tempfile.TemporaryDirectory()
root = Path(self.temporary.name)
self.directory = root / "transcripts"
self.recording = root / "recording.wav"
self.recording.write_bytes(b"RIFF audio")
self.now = datetime(2026, 7, 24, 12, 34, 56, 123456, timezone.utc)
def tearDown(self) -> None:
self.temporary.cleanup()
def save(self, text: str = "text") -> Path:
return save_transcript(
text,
self.recording,
self.directory,
clock=lambda: self.now,
)
def test_saves_text_and_audio_under_date_and_time(self) -> None:
path = self.save("héllo\n\n")
self.assertEqual(path, self.directory / "2026-07-24" / "12-34-56.txt")
self.assertEqual(path.read_text(encoding="utf-8"), "héllo\n")
self.assertEqual(path.with_suffix(".wav").read_bytes(), b"RIFF audio")
def test_refuses_to_replace_an_existing_pair(self) -> None:
first = self.save("one")
with self.assertRaises(FileExistsError):
self.save("two")
self.assertEqual(first.read_text(), "one\n")
self.assertEqual(first.with_suffix(".wav").read_bytes(), b"RIFF audio")
def test_leaves_no_temporary_files(self) -> None:
path = self.save()
self.assertFalse(any(item.suffix == ".tmp" for item in path.parent.iterdir()))
if __name__ == "__main__":
unittest.main()
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