from __future__ import annotations

from unittest.mock import AsyncMock, patch

import pytest

from app.agents.folder_agent import read_project_folder_file

pytestmark = pytest.mark.asyncio


async def test_happy_path():
    with patch(
        "app.agents.folder_agent.execute_on_client",
        new=AsyncMock(return_value={"content": "file body"}),
    ):
        out = await read_project_folder_file.ainvoke({"project_id": "p1", "relative_path": "docs/x.md"})
    assert out == "file body"


async def test_traversal_rejected():
    out = await read_project_folder_file.ainvoke({"project_id": "p1", "relative_path": "../../etc/passwd"})
    assert out == "Access denied"


async def test_absolute_path_rejected():
    out = await read_project_folder_file.ainvoke({"project_id": "p1", "relative_path": "C:\\Windows\\foo"})
    assert out == "Access denied"


async def test_missing_file():
    with patch(
        "app.agents.folder_agent.execute_on_client",
        new=AsyncMock(return_value={"content": ""}),
    ):
        out = await read_project_folder_file.ainvoke({"project_id": "p1", "relative_path": "ghost.md"})
    assert "not found" in out.lower()