git / moonbite-core / test/functional/feature_filelock.py · raw

#!/usr/bin/env python3# Copyright (c) 2018-2020 The Bitcoin Core developers# Distributed under the MIT software license, see the accompanying# file COPYING or http://www.opensource.org/licenses/mit-license.php."""Check that it's not possible to start a second litecoind instance using the same datadir or wallet."""import osfrom test_framework.test_framework import BitcoinTestFrameworkfrom test_framework.test_node import ErrorMatchclass FilelockTest(BitcoinTestFramework):    def set_test_params(self):        self.setup_clean_chain = True        self.num_nodes = 2    def setup_network(self):        self.add_nodes(self.num_nodes, extra_args=None)        self.nodes[0].start()        self.nodes[0].wait_for_rpc_connection()    def run_test(self):        datadir = os.path.join(self.nodes[0].datadir, self.chain)        self.log.info("Using datadir {}".format(datadir))        self.log.info("Check that we can't start a second litecoind instance using the same datadir")        expected_msg = "Error: Cannot obtain a lock on data directory {0}. {1} is probably already running.".format(datadir, self.config['environment']['PACKAGE_NAME'])        self.nodes[1].assert_start_raises_init_error(extra_args=['-datadir={}'.format(self.nodes[0].datadir), '-noserver'], expected_msg=expected_msg)        if self.is_wallet_compiled():            self.nodes[0].createwallet(self.default_wallet_name)            wallet_dir = os.path.join(datadir, 'wallets')            self.log.info("Check that we can't start a second litecoind instance using the same wallet")            expected_msg = "Error: Error initializing wallet database environment"            self.nodes[1].assert_start_raises_init_error(extra_args=['-walletdir={}'.format(wallet_dir), '-wallet=' + self.default_wallet_name, '-noserver'], expected_msg=expected_msg, match=ErrorMatch.PARTIAL_REGEX)if __name__ == '__main__':    FilelockTest().main()