def setUpClass(cls):
'''
Set up chord ring size for this test.
'''
cls._default_size = ct.RING_SIZE_BIT
ct.RING_SIZE_BIT = 160
ct.init()
def setUpClass(cls):
'''
Change to smaller ring.
'''
cls._default_size = ct.RING_SIZE_BIT
ct.RING_SIZE_BIT = 3
ct.init()
def tearDownClass(cls):
'''
Restore chord ring default size.
'''
ct.RING_SIZE_BIT = cls._default_size
ct.init()
def tearDownClass(cls):
'''
Restore longer ring.
'''
ct.RING_SIZE_BIT = cls._default_size
ct.init()