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litecoin/qa/rpc-tests/test_framework.py

140 lines
4.5 KiB

#!/usr/bin/env python2
# Copyright (c) 2014 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
# Base class for RPC testing
# Add python-bitcoinrpc to module search path:
import os
import sys
sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), "python-bitcoinrpc"))
import shutil
import tempfile
import traceback
from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
from util import *
class BitcoinTestFramework(object):
# These may be over-ridden by subclasses:
def run_test(self):
for node in self.nodes:
assert_equal(node.getblockcount(), 200)
assert_equal(node.getbalance(), 25*50)
def add_options(self, parser):
pass
def setup_chain(self):
print("Initializing test directory "+self.options.tmpdir)
initialize_chain(self.options.tmpdir)
def setup_network(self, split = False):
self.nodes = start_nodes(4, self.options.tmpdir)
# Connect the nodes as a "chain". This allows us
# to split the network between nodes 1 and 2 to get
# two halves that can work on competing chains.
# If we joined network halves, connect the nodes from the joint
# on outward. This ensures that chains are properly reorganised.
if not split:
connect_nodes_bi(self.nodes, 1, 2)
sync_blocks(self.nodes[1:3])
sync_mempools(self.nodes[1:3])
connect_nodes_bi(self.nodes, 0, 1)
connect_nodes_bi(self.nodes, 2, 3)
self.is_network_split = split
self.sync_all()
def split_network(self):
"""
Split the network of four nodes into nodes 0/1 and 2/3.
"""
assert not self.is_network_split
stop_nodes(self.nodes)
wait_bitcoinds()
self.setup_network(True)
def sync_all(self):
if self.is_network_split:
sync_blocks(self.nodes[:2])
sync_blocks(self.nodes[2:])
sync_mempools(self.nodes[:2])
sync_mempools(self.nodes[2:])
else:
sync_blocks(self.nodes)
sync_mempools(self.nodes)
def join_network(self):
"""
Join the (previously split) network halves together.
"""
assert self.is_network_split
stop_nodes(self.nodes)
wait_bitcoinds()
self.setup_network(False)
def main(self):
import optparse
parser = optparse.OptionParser(usage="%prog [options]")
parser.add_option("--nocleanup", dest="nocleanup", default=False, action="store_true",
help="Leave bitcoinds and test.* datadir on exit or error")
parser.add_option("--srcdir", dest="srcdir", default="../../src",
help="Source directory containing bitcoind/bitcoin-cli (default: %default%)")
parser.add_option("--tmpdir", dest="tmpdir", default=tempfile.mkdtemp(prefix="test"),
help="Root directory for datadirs")
parser.add_option("--tracerpc", dest="trace_rpc", default=False, action="store_true",
help="Print out all RPC calls as they are made")
self.add_options(parser)
(self.options, self.args) = parser.parse_args()
if self.options.trace_rpc:
import logging
logging.basicConfig(level=logging.DEBUG)
os.environ['PATH'] = self.options.srcdir+":"+os.environ['PATH']
check_json_precision()
success = False
try:
if not os.path.isdir(self.options.tmpdir):
os.makedirs(self.options.tmpdir)
self.setup_chain()
self.setup_network()
self.run_test()
success = True
except JSONRPCException as e:
print("JSONRPC error: "+e.error['message'])
traceback.print_tb(sys.exc_info()[2])
except AssertionError as e:
print("Assertion failed: "+e.message)
traceback.print_tb(sys.exc_info()[2])
except Exception as e:
print("Unexpected exception caught during testing: "+str(e))
traceback.print_tb(sys.exc_info()[2])
if not self.options.nocleanup:
print("Cleaning up")
stop_nodes(self.nodes)
wait_bitcoinds()
shutil.rmtree(self.options.tmpdir)
if success:
print("Tests successful")
sys.exit(0)
else:
print("Failed")
sys.exit(1)