From df594d42ad1206fcb246bedb1945949527d7e039 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Fri, 24 Jul 2026 12:11:54 +0200
Subject: Implement initial terminal-independent transcription core

---
 tests/test_persistence.py | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 tests/test_persistence.py

(limited to 'tests/test_persistence.py')

diff --git a/tests/test_persistence.py b/tests/test_persistence.py
new file mode 100644
index 0000000..eecb378
--- /dev/null
+++ b/tests/test_persistence.py
@@ -0,0 +1,39 @@
+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()
+        self.directory = Path(self.temporary.name) / "transcripts"
+        self.now = datetime(2026, 7, 24, 12, 34, 56, 123456, timezone.utc)
+
+    def tearDown(self) -> None:
+        self.temporary.cleanup()
+
+    def test_writes_utf8_with_one_final_newline(self) -> None:
+        path = save_transcript("héllo\n\n", self.directory, clock=lambda: self.now)
+        self.assertEqual(path.read_text(encoding="utf-8"), "héllo\n")
+        self.assertEqual(
+            path.name, "transcript_2026-07-24_12-34-56_123456+0000.txt"
+        )
+
+    def test_uses_counter_on_collision(self) -> None:
+        first = save_transcript("one", self.directory, clock=lambda: self.now)
+        second = save_transcript("two", self.directory, clock=lambda: self.now)
+        self.assertNotEqual(first, second)
+        self.assertEqual(second.stem[-2:], "_1")
+        self.assertEqual(first.read_text(), "one\n")
+        self.assertEqual(second.read_text(), "two\n")
+
+    def test_leaves_no_temporary_file(self) -> None:
+        save_transcript("text", self.directory, clock=lambda: self.now)
+        self.assertFalse(any(path.suffix == ".tmp" for path in self.directory.iterdir()))
+
+
+if __name__ == "__main__":
+    unittest.main()
-- 
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