fix: reduce chunk size to 40

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/test_chunking.py b/tests/test_chunking.py
index 659a771..d1d95bd 100644
--- a/tests/test_chunking.py
+++ b/tests/test_chunking.py
@@ -2,9 +2,19 @@
 
 import unittest
 
+from converter import config
 from converter.chunking import split_into_chunks
 
 
+class ChunkSizeDefaultTests(unittest.TestCase):
+    """Guard the default chunk size: each API call is one model generation,
+    and long single generations lose prosody, can turn garbled, and are
+    truncated at the model's token limit (text past it is never spoken)."""
+
+    def test_default_chunk_size_within_single_generation_budget(self):
+        self.assertLessEqual(config.CHUNK_SIZE_WORDS, 60)
+
+
 class SplitIntoChunksTests(unittest.TestCase):
     def test_empty_input(self):
         self.assertEqual(split_into_chunks(""), [])