feat: establish voice assistant V1 baseline

tests/test_tts_adapter.py

@@ -0,0 +1,32 @@
+import pytest
+
+from voice_assistant.tts import MockTTSAdapter
+
+
+@pytest.mark.anyio
+async def test_mock_tts_synthesizes_audio_chunks():
+    tts= MockTTSAdapter()
+
+    chunks = [
+        chunk
+        async for chunk in tts.synthesize("Olá, tudo bem?")
+    ]
+
+    assert chunks == [
+        b"\x01\x02\x03\x04",
+        b"\x05\x06\x07\x08",
+    ]
+
+
+@pytest.mark.anyio
+async def test_mock_tts_records_text():
+    tts = MockTTSAdapter()
+
+    chunks = [
+        chunk
+        async for chunk in tts.synthesize("Olá")
+    ]
+
+    assert chunks
+    assert tts.calls == ["Olá"], "A mensagem de retorno deve ser Olá"
+