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

api/tests/test_google_tts_service_factory.py

@@ -0,0 +1,67 @@
+from types import SimpleNamespace
+from unittest.mock import patch
+
+from pipecat.services.settings import NOT_GIVEN
+
+from api.services.configuration.registry import ServiceProviders
+from api.services.pipecat.service_factory import create_tts_service
+
+
+def test_create_google_tts_service_uses_credentials_location_and_settings():
+    user_config = SimpleNamespace(
+        tts=SimpleNamespace(
+            provider=ServiceProviders.GOOGLE.value,
+            credentials='{"project_id":"demo-project"}',
+            api_key=None,
+            model="chirp_3_hd",
+            voice="en-US-Chirp3-HD-Charon",
+            language="en-US",
+            speed=1.15,
+            location="us-central1",
+        )
+    )
+    audio_config = SimpleNamespace(
+        transport_out_sample_rate=24000,
+        transport_in_sample_rate=16000,
+    )
+
+    with patch("api.services.pipecat.service_factory.GoogleTTSService") as mock_service:
+        create_tts_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["settings"].model == "chirp_3_hd"
+    assert kwargs["settings"].voice == "en-US-Chirp3-HD-Charon"
+    assert kwargs["settings"].language == "en-US"
+    assert kwargs["settings"].speaking_rate == 1.15
+
+
+def test_create_google_tts_service_omits_default_speed():
+    user_config = SimpleNamespace(
+        tts=SimpleNamespace(
+            provider=ServiceProviders.GOOGLE.value,
+            credentials=None,
+            api_key=None,
+            model="chirp_3_hd",
+            voice="en-US-Chirp3-HD-Charon",
+            language="sw-KE",
+            speed=1.0,
+            location=None,
+        )
+    )
+    audio_config = SimpleNamespace(
+        transport_out_sample_rate=24000,
+        transport_in_sample_rate=16000,
+    )
+
+    with patch("api.services.pipecat.service_factory.GoogleTTSService") as mock_service:
+        create_tts_service(user_config, audio_config)
+
+    assert mock_service.call_count == 1
+    kwargs = mock_service.call_args.kwargs
+    assert kwargs["location"] is None
+    assert kwargs["settings"].model == "chirp_3_hd"
+    assert kwargs["settings"].language == "sw-KE"
+    assert kwargs["settings"].speaking_rate is NOT_GIVEN