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nanobot/tests/utils/test_native_folder_picker.py
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113 lines
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Python

from __future__ import annotations
import sys
from pathlib import Path
import pytest
from nanobot.webui import native_folder_picker as picker
def _picker_command(tmp_path: Path, body: str) -> picker._PickerCommand:
script = tmp_path / "picker.py"
script.write_text(f"{body}\n", encoding="utf-8")
return picker._PickerCommand((sys.executable, str(script)), frozenset({1}))
@pytest.mark.asyncio
async def test_pick_native_folder_returns_selected_directory(tmp_path, monkeypatch) -> None:
selected = tmp_path / "project"
selected.mkdir()
command = _picker_command(tmp_path, f"print({str(selected)!r}, end='')")
monkeypatch.setattr(
picker,
"_picker_command",
lambda: command,
)
assert await picker.pick_native_folder() == str(selected)
@pytest.mark.asyncio
async def test_pick_native_folder_uses_secret_free_environment(tmp_path, monkeypatch) -> None:
selected = tmp_path / "project"
selected.mkdir()
command = _picker_command(tmp_path, f"print({str(selected)!r}, end='')")
monkeypatch.setattr(picker, "_picker_command", lambda: command)
monkeypatch.setenv("HOME", str(tmp_path))
monkeypatch.setenv("OPENAI_API_KEY", "must-not-reach-picker")
original_spawn = picker.asyncio.create_subprocess_exec
captured_env: dict[str, str] = {}
async def capture_spawn(*args, **kwargs):
captured_env.update(kwargs["env"])
return await original_spawn(*args, **kwargs)
monkeypatch.setattr(picker.asyncio, "create_subprocess_exec", capture_spawn)
assert await picker.pick_native_folder() == str(selected)
assert captured_env["HOME"] == str(tmp_path)
assert "OPENAI_API_KEY" not in captured_env
def test_picker_environment_preserves_linux_display_context(monkeypatch) -> None:
monkeypatch.setattr(picker.sys, "platform", "linux")
monkeypatch.setenv("DISPLAY", ":42")
monkeypatch.setenv("DBUS_SESSION_BUS_ADDRESS", "unix:path=/run/user/test/bus")
monkeypatch.setenv("ANTHROPIC_API_KEY", "must-not-reach-picker")
environment = picker._picker_environment()
assert environment["DISPLAY"] == ":42"
assert environment["DBUS_SESSION_BUS_ADDRESS"] == "unix:path=/run/user/test/bus"
assert "ANTHROPIC_API_KEY" not in environment
@pytest.mark.asyncio
async def test_pick_native_folder_maps_dialog_cancel_to_none(tmp_path, monkeypatch) -> None:
command = _picker_command(tmp_path, "raise SystemExit(1)")
monkeypatch.setattr(
picker,
"_picker_command",
lambda: command,
)
assert await picker.pick_native_folder() is None
@pytest.mark.asyncio
async def test_pick_native_folder_rejects_non_directory_result(tmp_path, monkeypatch) -> None:
missing = tmp_path / "missing"
command = _picker_command(tmp_path, f"print({str(missing)!r}, end='')")
monkeypatch.setattr(
picker,
"_picker_command",
lambda: command,
)
with pytest.raises(picker.NativeFolderPickerError, match="invalid directory"):
await picker.pick_native_folder()
@pytest.mark.asyncio
async def test_pick_native_folder_reports_unavailable(monkeypatch) -> None:
monkeypatch.setattr(picker, "_picker_command", lambda: None)
assert picker.native_folder_picker_available() is False
with pytest.raises(picker.NativeFolderPickerError, match="unavailable"):
await picker.pick_native_folder()
@pytest.mark.asyncio
async def test_pick_native_folder_wraps_process_start_failure(tmp_path, monkeypatch) -> None:
command = _picker_command(tmp_path, "raise AssertionError('not started')")
monkeypatch.setattr(picker, "_picker_command", lambda: command)
async def fail_spawn(*args, **kwargs):
raise OSError("executable disappeared")
monkeypatch.setattr(picker.asyncio, "create_subprocess_exec", fail_spawn)
with pytest.raises(picker.NativeFolderPickerError, match="failed to start"):
await picker.pick_native_folder()