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"""Tests for the faster-qwen3-tts backend setup module (backends/faster.py)."""
import json
import sys
import tempfile
import unittest
from pathlib import Path
from unittest.mock import patch
from backends import faster as make_voices
class FindWavFilesTests(unittest.TestCase):
def setUp(self):
self._tmp = tempfile.TemporaryDirectory()
self.folder = Path(self._tmp.name)
def tearDown(self):
self._tmp.cleanup()
def _touch(self, name):
path = self.folder / name
path.write_bytes(b"x")
return path
def test_finds_only_wavs_case_insensitive(self):
self._touch("b.wav")
self._touch("a.WAV")
self._touch("notes.txt")
(self.folder / "sub").mkdir()
(self.folder / "sub" / "c.wav").write_bytes(b"x")
names = [path.name for path in make_voices.find_wav_files(self.folder)]
self.assertEqual(names, ["a.WAV", "b.wav"])
def test_sorted_alphabetically_case_insensitive(self):
for name in ("Zed.wav", "alpha.wav", "Beta.wav"):
self._touch(name)
names = [path.name for path in make_voices.find_wav_files(self.folder)]
self.assertEqual(names, ["alpha.wav", "Beta.wav", "Zed.wav"])
def test_empty_directory_returns_empty_list(self):
self.assertEqual(make_voices.find_wav_files(self.folder), [])
class BuildVoicesTests(unittest.TestCase):
def setUp(self):
self._tmp = tempfile.TemporaryDirectory()
self.folder = Path(self._tmp.name)
self.narrator = self.folder / "narrator.wav"
self.narrator.write_bytes(b"x")
self.other = self.folder / "other.wav"
self.other.write_bytes(b"x")
def tearDown(self):
self._tmp.cleanup()
def test_voices_named_after_basenames_with_absolute_paths(self):
transcripts = {str(self.narrator): "First transcript.",
str(self.other): "Second transcript."}
with patch.object(make_voices, "transcribe_reference_audio",
side_effect=lambda path, model_name="base": transcripts[path]):
voices = make_voices.build_voices([self.narrator, self.other],
"English", "base")
self.assertEqual(list(voices), ["narrator", "other"])
self.assertEqual(voices["narrator"]["ref_text"], "First transcript.")
self.assertEqual(voices["narrator"]["language"], "English")
self.assertTrue(Path(voices["narrator"]["ref_audio"]).is_absolute())
self.assertEqual(Path(voices["narrator"]["ref_audio"]), self.narrator.resolve())
def test_failed_transcription_keeps_entry_with_empty_text(self):
with patch.object(make_voices, "transcribe_reference_audio",
return_value=None):
voices = make_voices.build_voices([self.narrator], "English", "base")
self.assertEqual(voices["narrator"]["ref_text"], "")
def test_whisper_model_name_is_passed_through(self):
with patch.object(make_voices, "transcribe_reference_audio",
return_value="text") as mock_transcribe:
make_voices.build_voices([self.narrator], "English", "large-v3")
self.assertEqual(mock_transcribe.call_args.kwargs["model_name"], "large-v3")
class MainTests(unittest.TestCase):
"""The flag-only (non-TUI) path through main(), end to end."""
def setUp(self):
self._tmp = tempfile.TemporaryDirectory()
self.folder = Path(self._tmp.name)
(self.folder / "narrator.wav").write_bytes(b"x")
(self.folder / "alpha.wav").write_bytes(b"x")
self.output = self.folder / "voices.json"
# Avoid touching the real converter/config.py and pip/git.
patcher = patch.object(make_voices.common, "update_config_value",
return_value=False)
patcher.start()
self.addCleanup(patcher.stop)
patcher = patch.object(make_voices, "_interactive", return_value=False)
patcher.start()
self.addCleanup(patcher.stop)
def tearDown(self):
self._tmp.cleanup()
def _run(self, argv):
with patch.object(sys, "argv", ["backends/faster.py"] + argv), \
patch.object(make_voices, "transcribe_reference_audio",
return_value="hello"):
return make_voices.main()
def test_writes_json_with_alphabetical_voice_order(self):
exit_code = self._run([str(self.folder), "--output", str(self.output),
"--skip-install", "--skip-clone"])
self.assertEqual(exit_code, 0)
data = json.loads(self.output.read_text(encoding="utf-8"))
self.assertEqual(list(data), ["alpha", "narrator"])
self.assertEqual(data["alpha"]["ref_text"], "hello")
self.assertEqual(data["alpha"]["language"], "English")
def test_custom_output_path(self):
custom = Path(self._tmp.name) / "custom.json"
exit_code = self._run([str(self.folder), "--output", str(custom),
"--skip-install", "--skip-clone"])
self.assertEqual(exit_code, 0)
self.assertTrue(custom.exists())
self.assertFalse(self.output.exists())
def test_invalid_language_errors_before_work(self):
with patch.object(make_voices, "transcribe_reference_audio") as mock_transcribe:
with self.assertRaises(SystemExit) as ctx:
self._run([str(self.folder), "--output", str(self.output),
"--language", "klingon", "--skip-install",
"--skip-clone"])
self.assertEqual(ctx.exception.code, 2)
mock_transcribe.assert_not_called()
def test_missing_input_dir_errors(self):
with self.assertRaises(SystemExit) as ctx:
self._run([str(self.folder / "nope"), "--output", str(self.output),
"--skip-install", "--skip-clone"])
self.assertEqual(ctx.exception.code, 2)
def test_no_wav_files_returns_error(self):
empty = Path(tempfile.mkdtemp())
try:
exit_code = self._run([str(empty), "--output",
str(empty / "voices.json"),
"--skip-install", "--skip-clone"])
self.assertEqual(exit_code, 1)
finally:
empty.rmdir()
def test_existing_output_declined_keeps_file(self):
self.output.write_text('{"old": true}', encoding="utf-8")
with patch.object(make_voices, "transcribe_reference_audio") as mock_transcribe:
exit_code = self._run([str(self.folder), "--output", str(self.output),
"--skip-install", "--skip-clone"])
self.assertEqual(exit_code, 1)
mock_transcribe.assert_not_called()
self.assertEqual(json.loads(self.output.read_text(encoding="utf-8")),
{"old": True})
def test_force_overwrites_without_prompt(self):
self.output.write_text('{"old": true}', encoding="utf-8")
exit_code = self._run([str(self.folder), "--output", str(self.output),
"--force", "--skip-install", "--skip-clone"])
self.assertEqual(exit_code, 0)
data = json.loads(self.output.read_text(encoding="utf-8"))
self.assertEqual(list(data), ["alpha", "narrator"])
if __name__ == "__main__":
unittest.main()
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