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from mock import sentinel
from tests import TestCase
from exam.objects import always, noop
class TestAlways(TestCase):
def test_always_returns_identity(self):
fn = always(sentinel.RESULT_VALUE)
assert fn() is sentinel.RESULT_VALUE
assert fn(1, key='value') is sentinel.RESULT_VALUE
def test_can_be_called_with_anything(self):
noop()
noop(1)
noop(key='val')
noop(1, key='val')
noop(1, 2, 3, key='val')
noop(1, 2, 3, key='val', another='thing')
def test_returns_none(self):
self.assertIsNone(noop())
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