def test_cancel_pathsuccess(self):
"""Should successfully cancel gen @idx 3
and should modify word"""
bw = BraidWord([-1, 2, 3, 1])
# Execution path True
self.assertTrue(bw.cancel(3))
# Word modification
self.assertEqual(bw.word, [2, 3])
def test_cancel_pathfail(self):
"""Should return False
and fail to cancel gen @idx 1
and not modify word"""
bw = BraidWord([-1, 2, 3, 1])
# Execution path False
self.assertFalse(bw.cancel(1))
# (No) Word modification
self.assertEqual(bw.word, [-1, 2, 3, 1])