def test_prepand_append():
client = MockMemcacheClient()
client.set(b"k", "1")
client.append(b"k", "a")
client.prepend(b"k", "p")
assert client.get(b"k") == b"p1a"
def test_prepand_append():
client = MockMemcacheClient()
client.set(b"k", '1')
client.append(b"k", 'a')
client.prepend(b"k", 'p')
assert client.get(b"k") == b'p1a'
