"""Tests for mctelnet server."""

import pytest

from mctelnet.server import _connections, mcp


def test_mcp_server_exists():
    """Verify MCP server is configured."""
    assert mcp.name == "mctelnet"


def test_tools_registered():
    """Verify all expected tools are registered."""
    # Access tools through the tool manager's internal storage
    tool_manager = mcp._tool_manager
    tool_names = set(tool_manager._tools.keys())

    expected_tools = {
        "connect",
        "send",
        "read",
        "expect",
        "expect_send",
        "run_script",
        "list_connections",
        "disconnect",
        "disconnect_all",
    }

    assert expected_tools.issubset(tool_names), f"Missing tools: {expected_tools - tool_names}"


def test_connection_storage_initially_empty():
    """Verify no connections exist at startup."""
    # Clear any lingering connections
    _connections.clear()
    assert len(_connections) == 0