# py-scopes: tests.test_util

"""Tests for the scopes.util package"""

import pytest

from scopes.util import keywords as k, flatten, Symbols

k('dummy other', 'cd', 'new', 'erp')

dom = Symbols('dom')('crm erp sys')

def test_keywords():
    assert k.dummy is k.dummy
    assert k.dummy is not k.other
    assert getattr(k, "abcd"[-2:]) is k.cd
    assert k['dummy'] is k.dummy
    assert k['new'] is k['new']
    assert repr(dom.erp) == '<dom.erp>'
    assert dom.erp != k.erp

def test_flatten():
    lst = (1, (None, 2), (3, (4, 5)))
    assert flatten(lst) == [1, None, 2, 3, 4, 5]
    assert flatten(42, lst, (6, 7), ignore_none=True) == [42, 1, 2, 3, 4, 5, 6, 7]