# # Copyright (c) 2024-2025 Daily # # SPDX-License-Identifier: BSD 2-Clause License # import unittest from pipecat.frames.frames import ( OutputAudioRawFrame, TextFrame, TranscriptionFrame, ) from pipecat.serializers.protobuf import ProtobufFrameSerializer class TestProtobufFrameSerializer(unittest.IsolatedAsyncioTestCase): def setUp(self): self.serializer = ProtobufFrameSerializer() async def test_roundtrip(self): text_frame = TextFrame(text="hello world") frame = await self.serializer.deserialize(await self.serializer.serialize(text_frame)) self.assertEqual(text_frame, frame) transcription_frame = TranscriptionFrame( text="Hello there!", user_id="123", timestamp="2021-01-01" ) frame = await self.serializer.deserialize( await self.serializer.serialize(transcription_frame) ) self.assertEqual(frame, transcription_frame) audio_frame = OutputAudioRawFrame(audio=b"1234567890", sample_rate=16000, num_channels=1) frame = await self.serializer.deserialize(await self.serializer.serialize(audio_frame)) self.assertEqual(frame.audio, audio_frame.audio) self.assertEqual(frame.sample_rate, audio_frame.sample_rate) self.assertEqual(frame.num_channels, audio_frame.num_channels)