Differential D3234 Diff 9192 test/functional/feature_help.py

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test/functional/feature_help.py

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File Mode	null	100755

				#!/usr/bin/env python3
				# Copyright (c) 2018 The Bitcoin Core developers
				# Distributed under the MIT software license, see the accompanying
				# file COPYING or http://www.opensource.org/licenses/mit-license.php.
				"""Verify that starting bitcoin with -h works as expected."""
				import subprocess

				from test_framework.test_framework import BitcoinTestFramework
				from test_framework.util import assert_equal


				class HelpTest(BitcoinTestFramework):
				def set_test_params(self):
				self.setup_clean_chain = True
				self.num_nodes = 1

				def setup_network(self):
				self.add_nodes(self.num_nodes)
				# Don't start the node

				def run_test(self):
				self.log.info("Start bitcoin with -h for help text")
				self.nodes[0].start(extra_args=['-h'],
				stderr=subprocess.PIPE, stdout=subprocess.PIPE)
				# Node should exit immediately and output help to stdout.
				ret_code = self.nodes[0].process.wait(timeout=1)
				assert_equal(ret_code, 0)
				output = self.nodes[0].process.stdout.read()
				assert b'Options' in output
				self.log.info("Help text received: {} (...)".format(output[0:60]))
				self.nodes[0].running = False

				self.log.info("Start bitcoin with -version for version information")
				self.nodes[0].start(extra_args=['-version'],
				stderr=subprocess.PIPE, stdout=subprocess.PIPE)
				# Node should exit immediately and output version to stdout.
				ret_code = self.nodes[0].process.wait(timeout=1)
				assert_equal(ret_code, 0)
				output = self.nodes[0].process.stdout.read()
				assert b'version' in output
				self.log.info("Version text received: {} (...)".format(output[0:60]))
				self.nodes[0].running = False


				if __name__ == '__main__':
				HelpTest().main()