#!/usr/bin/env python3 # Copyright (c) 2017 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Test various command line arguments and configuration file parameters.""" import os import re from test_framework.test_framework import BitcoinTestFramework class ConfArgsTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 1 def run_test(self): self.stop_node(0) # Remove the -datadir argument so it doesn't override the config file self.nodes[0].remove_default_args(["-datadir"]) default_data_dir = self.nodes[0].datadir new_data_dir = os.path.join(default_data_dir, 'newdatadir') new_data_dir_2 = os.path.join(default_data_dir, 'newdatadir2') # Check that using -datadir argument on non-existent directory fails self.nodes[0].datadir = new_data_dir self.nodes[0].assert_start_raises_init_error( ['-datadir=' + new_data_dir], 'Error: Specified data directory "' + re.escape(new_data_dir) + '" does not exist.') # Check that using non-existent datadir in conf file fails conf_file = os.path.join(default_data_dir, "bitcoin.conf") # datadir needs to be set before [regtest] section conf_file_contents = open(conf_file, encoding='utf8').read() with open(conf_file, 'w', encoding='utf8') as f: f.write("datadir=" + new_data_dir + "\n") f.write(conf_file_contents) self.nodes[0].assert_start_raises_init_error( ['-conf=' + conf_file], 'Error reading configuration file: specified data directory "' + re.escape(new_data_dir) + '" does not exist.') # Create the directory and ensure the config file now works os.mkdir(new_data_dir) self.start_node(0, ['-conf='+conf_file, '-wallet=w1']) self.stop_node(0) assert os.path.exists(os.path.join( new_data_dir, 'regtest', 'wallets', 'w1')) # Ensure command line argument overrides datadir in conf os.mkdir(new_data_dir_2) self.nodes[0].datadir = new_data_dir_2 self.start_node(0, ['-datadir='+new_data_dir_2, '-conf='+conf_file, '-wallet=w2']) assert os.path.exists(os.path.join( new_data_dir_2, 'regtest', 'wallets', 'w2')) if __name__ == '__main__': ConfArgsTest().main()