test: fix unit tests to match TTS import path and storage_service.get_url mock

- test_viral_video_p0: patch new apps.worker.services.tts_service_factory path,
  assert format='mp3' is passed
- test_prepare_dedup: storage_service.get_url.return_value = '' so
  DirectUploadPrepareResponse.url: str doesn't receive a MagicMock

tests/unit/test_prepare_dedup_1714.py

@@ -144,6 +144,9 @@ def _storage():
         "expires_at": "2026-01-01T00:00:00Z",
         "fields": {"key": "uploads/abc/test.mp4"},
     }
+    # Bug #2110: duplicated 命中时 _get_existing_asset_url 调用 get_url 返回公网 URL 字符串，
+    # Mock 默认返回 MagicMock，会让 DirectUploadPrepareResponse.url: str 校验失败。
+    s.get_url.return_value = ""
     return s
 
 

tests/unit/test_viral_video_p0.py

@@ -120,7 +120,7 @@ class TestTTSPath:
         """get_tts_service 抛 ImportError 时 _step_tts 返回 None。"""
         from apps.worker.worker_app.tasks import viral_video as vv
 
-        with patch("services.tts_service_factory.get_tts_service", side_effect=ImportError("no tts")):
+        with patch("apps.worker.services.tts_service_factory.get_tts_service", side_effect=ImportError("no tts")):
             assert vv._step_tts(mock_job, "文案") is None
 
     def test_tts_returns_none_when_path_not_exists(self, mock_job, tmp_path):
@@ -128,7 +128,7 @@ class TestTTSPath:
 
         fake_service = MagicMock()
         fake_service.synthesize.return_value = str(tmp_path / "not_exist.mp3")
-        with patch("services.tts_service_factory.get_tts_service", return_value=fake_service):
+        with patch("apps.worker.services.tts_service_factory.get_tts_service", return_value=fake_service):
             assert vv._step_tts(mock_job, "文案") is None
 
     def test_tts_returns_path_when_exists(self, mock_job, tmp_path):
@@ -138,8 +138,11 @@ class TestTTSPath:
         audio.write_bytes(b"ID3fake")
         fake_service = MagicMock()
         fake_service.synthesize.return_value = audio
-        with patch("services.tts_service_factory.get_tts_service", return_value=fake_service):
+        with patch("apps.worker.services.tts_service_factory.get_tts_service", return_value=fake_service):
             result = vv._step_tts(mock_job, "文案")
+            # Bug #2110: 校验传入了 voice_id+format=mp3
+            call_kwargs = fake_service.synthesize.call_args.kwargs
+            assert call_kwargs.get("format") == "mp3"
             assert isinstance(result, Path)
             assert result.exists()