memory evolution phase 1

tests/test_memory_middleware.py

@@ -12,13 +12,14 @@ from __future__ import annotations
 
 import json
 import uuid
-from unittest.mock import patch
+from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
 import pytest_asyncio
 from cryptography.fernet import Fernet
 from sqlalchemy import select
 
+from app.core.embeddings import embed_text
 from app.core.memory_middleware import MemoryMiddleware
 from app.db import get_session
 from app.main import app
@@ -341,3 +342,33 @@ def test_home_request_calls_memory_middleware(client):
     stored_session_id, stored_message = store_calls[0][1], store_calls[0][2]
     assert stored_session_id == session_id
     assert stored_message == "Show tasks"
+
+
+# ── embed_text ─────────────────────────────────────────────────────────────────
+
+@pytest.mark.asyncio
+async def test_embed_text_returns_1536_floats():
+    """embed_text returns a 1536-dim float list when OpenAI responds successfully."""
+    fake_embedding = [0.1] * 1536
+
+    mock_response = MagicMock()
+    mock_response.data = [MagicMock(embedding=fake_embedding)]
+
+    mock_client = MagicMock()
+    mock_client.embeddings.create = AsyncMock(return_value=mock_response)
+
+    with patch("app.core.embeddings.AsyncOpenAI", return_value=mock_client):
+        result = await embed_text("test text")
+
+    assert result is not None
+    assert len(result) == 1536
+    assert all(isinstance(x, float) for x in result)
+
+
+@pytest.mark.asyncio
+async def test_embed_text_returns_none_on_failure():
+    """embed_text returns None when OpenAI raises; must not propagate the exception."""
+    with patch("app.core.embeddings.AsyncOpenAI", side_effect=Exception("no key")):
+        result = await embed_text("test text")
+
+    assert result is None