from __future__ import annotations
import pytest
from fastmcp import Client
from mcp_agent_mail.app import build_mcp_server
@pytest.mark.asyncio
async def test_inline_data_uri_attachments_reflected_when_no_conversion(isolated_env, monkeypatch):
# Force conversion off to exercise inline fallback path
monkeypatch.setenv("CONVERT_IMAGES", "false")
server = build_mcp_server()
async with Client(server) as client:
await client.call_tool("ensure_project", {"human_key": "/backend"})
await client.call_tool(
"register_agent",
{"project_key": "Backend", "program": "x", "model": "y", "name": "BlueLake"},
)
body = "Inline  only"
res = await client.call_tool(
"send_message",
{
"project_key": "Backend",
"sender_name": "BlueLake",
"to": ["BlueLake"],
"subject": "InlineOnly",
"body_md": body,
"convert_images": False,
},
)
attachments = (res.data.get("deliveries") or [{}])[0].get("payload", {}).get("attachments", [])
assert any(att.get("type") == "inline" for att in attachments)
