feat: support fish audio TTS (#7982)

api/tests/integration_tests/model_runtime/fishaudio/test_tts.py

@@ -0,0 +1,32 @@
+import os
+
+import pytest
+
+from core.model_runtime.model_providers.fishaudio.tts.tts import (
+    FishAudioText2SpeechModel,
+)
+from tests.integration_tests.model_runtime.__mock.fishaudio import setup_fishaudio_mock
+
+
+@pytest.mark.parametrize("setup_fishaudio_mock", [["tts"]], indirect=True)
+def test_invoke_model(setup_fishaudio_mock):
+    model = FishAudioText2SpeechModel()
+
+    result = model.invoke(
+        model="tts-default",
+        tenant_id="test",
+        credentials={
+            "api_key": os.environ.get("FISH_AUDIO_API_KEY", "test"),
+            "api_base": os.environ.get("FISH_AUDIO_API_BASE", "https://api.fish.audio"),
+            "use_public_models": "false",
+            "latency": "normal",
+        },
+        content_text="Hello, world!",
+        voice="03397b4c4be74759b72533b663fbd001",
+    )
+
+    content = b""
+    for chunk in result:
+        content += chunk
+
+    assert content != b""