feat: add google stt and tts. add folders to organize agents

api/tests/test_google_stt_service_factory.py

@@ -0,0 +1,55 @@
+from types import SimpleNamespace
+from unittest.mock import patch
+
+from pipecat.transcriptions.language import Language
+
+from api.services.configuration.registry import ServiceProviders
+from api.services.pipecat.service_factory import create_stt_service
+
+
+def test_create_google_stt_service_uses_credentials_location_and_language():
+    user_config = SimpleNamespace(
+        stt=SimpleNamespace(
+            provider=ServiceProviders.GOOGLE.value,
+            credentials='{"project_id":"demo-project"}',
+            api_key=None,
+            model="latest_long",
+            language="en-US",
+            location="us-central1",
+        )
+    )
+    audio_config = SimpleNamespace(transport_in_sample_rate=16000)
+
+    with patch("api.services.pipecat.service_factory.GoogleSTTService") as mock_service:
+        create_stt_service(user_config, audio_config)
+
+    assert mock_service.call_count == 1
+    kwargs = mock_service.call_args.kwargs
+    assert kwargs["credentials"] == '{"project_id":"demo-project"}'
+    assert kwargs["location"] == "us-central1"
+    assert kwargs["sample_rate"] == 16000
+    assert kwargs["settings"].model == "latest_long"
+    assert kwargs["settings"].languages == [Language.EN_US]
+
+
+def test_create_google_stt_service_falls_back_to_raw_language_codes():
+    user_config = SimpleNamespace(
+        stt=SimpleNamespace(
+            provider=ServiceProviders.GOOGLE.value,
+            credentials=None,
+            api_key=None,
+            model="chirp_3",
+            language="cmn-Hans-CN",
+            location="global",
+        )
+    )
+    audio_config = SimpleNamespace(transport_in_sample_rate=24000)
+
+    with patch("api.services.pipecat.service_factory.GoogleSTTService") as mock_service:
+        create_stt_service(user_config, audio_config)
+
+    assert mock_service.call_count == 1
+    kwargs = mock_service.call_args.kwargs
+    assert kwargs["sample_rate"] == 24000
+    assert kwargs["settings"].model == "chirp_3"
+    assert kwargs["settings"].language_codes == ["cmn-Hans-CN"]