import pytest
import tool_helper
import tests.helper as helper


def test_tool_function_decorator_if_clean_tool_list():
    """ tests for the tool list to be empty. NOT strictly nessesary,
    but I want to be warned if this is not the case anymore. Could be not the intention """
    start_len = len(tool_helper.tool_list)
    assert start_len == 0

def test_tool_function_decorator():
    # get length before adding tools
    start_len = len(tool_helper.tool_list)

    # add tools like it would be a decorator
    tool_helper.tool(helper.tool_dummy)
    tool_helper.tool(helper.tool_dummy2)

    # get length after adding tools
    end_len = len(tool_helper.tool_list)

    # remove the added ones again
    tool_helper.tool_list = tool_helper.tool_list[:-2]

    assert end_len == start_len + 2
    assert len(tool_helper.tool_list) == start_len