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test/functional/feature_help.py
| #!/usr/bin/env python3 | #!/usr/bin/env python3 | ||||
| # Copyright (c) 2018 The Bitcoin Core developers | # Copyright (c) 2018 The Bitcoin Core developers | ||||
| # Distributed under the MIT software license, see the accompanying | # Distributed under the MIT software license, see the accompanying | ||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | # file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||||
| """Verify that starting bitcoin with -h works as expected.""" | """Verify that starting bitcoin with -h works as expected.""" | ||||
| import subprocess | |||||
| from test_framework.test_framework import BitcoinTestFramework | from test_framework.test_framework import BitcoinTestFramework | ||||
| from test_framework.util import assert_equal | from test_framework.util import assert_equal | ||||
| class HelpTest(BitcoinTestFramework): | class HelpTest(BitcoinTestFramework): | ||||
| def set_test_params(self): | def set_test_params(self): | ||||
| self.setup_clean_chain = True | self.setup_clean_chain = True | ||||
| self.num_nodes = 1 | self.num_nodes = 1 | ||||
| def setup_network(self): | def setup_network(self): | ||||
| self.add_nodes(self.num_nodes) | self.add_nodes(self.num_nodes) | ||||
| # Don't start the node | # Don't start the node | ||||
| def get_node_output(self, *, ret_code_expected): | |||||
| ret_code = self.nodes[0].process.wait(timeout=5) | |||||
| assert_equal(ret_code, ret_code_expected) | |||||
| self.nodes[0].stdout.seek(0) | |||||
| self.nodes[0].stderr.seek(0) | |||||
| out = self.nodes[0].stdout.read() | |||||
| err = self.nodes[0].stderr.read() | |||||
| self.nodes[0].stdout.close() | |||||
| self.nodes[0].stderr.close() | |||||
| # Clean up TestNode state | |||||
| self.nodes[0].running = False | |||||
| self.nodes[0].process = None | |||||
| self.nodes[0].rpc_connected = False | |||||
| self.nodes[0].rpc = None | |||||
| return out, err | |||||
| def run_test(self): | def run_test(self): | ||||
| self.log.info("Start bitcoin with -h for help text") | self.log.info("Start bitcoin with -h for help text") | ||||
| self.nodes[0].start(extra_args=['-h'], | self.nodes[0].start(extra_args=['-h']) | ||||
| stderr=subprocess.PIPE, stdout=subprocess.PIPE) | |||||
| # Node should exit immediately and output help to stdout. | # Node should exit immediately and output help to stdout. | ||||
| ret_code = self.nodes[0].process.wait(timeout=1) | output, _ = self.get_node_output(ret_code_expected=0) | ||||
| assert_equal(ret_code, 0) | |||||
| output = self.nodes[0].process.stdout.read() | |||||
| assert b'Options' in output | assert b'Options' in output | ||||
| self.log.info("Help text received: {} (...)".format(output[0:60])) | 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.log.info("Start bitcoin with -version for version information") | ||||
| self.nodes[0].start(extra_args=['-version'], | self.nodes[0].start(extra_args=['-version']) | ||||
| stderr=subprocess.PIPE, stdout=subprocess.PIPE) | |||||
| # Node should exit immediately and output version to stdout. | # Node should exit immediately and output version to stdout. | ||||
| ret_code = self.nodes[0].process.wait(timeout=1) | output, _ = self.get_node_output(ret_code_expected=0) | ||||
| assert_equal(ret_code, 0) | |||||
| output = self.nodes[0].process.stdout.read() | |||||
| assert b'version' in output | assert b'version' in output | ||||
| self.log.info("Version text received: {} (...)".format(output[0:60])) | self.log.info("Version text received: {} (...)".format(output[0:60])) | ||||
| # Test that arguments not in the help results in an error | # Test that arguments not in the help results in an error | ||||
| self.log.info( | self.log.info( | ||||
| "Start bitcoind with -fakearg to make sure it does not start") | "Start bitcoind with -fakearg to make sure it does not start") | ||||
| self.nodes[0].start(extra_args=['-fakearg'], | self.nodes[0].start(extra_args=['-fakearg']) | ||||
| stderr=subprocess.PIPE, stdout=subprocess.PIPE) | |||||
| # Node should exit immediately and output an error to stderr | # Node should exit immediately and output an error to stderr | ||||
| ret_code = self.nodes[0].process.wait(timeout=1) | _, output = self.get_node_output(ret_code_expected=1) | ||||
| assert_equal(ret_code, 1) | |||||
| output = self.nodes[0].process.stderr.read() | |||||
| assert b'Error parsing command line arguments' in output | assert b'Error parsing command line arguments' in output | ||||
| self.log.info("Error message received: {} (...)".format(output[0:60])) | self.log.info("Error message received: {} (...)".format(output[0:60])) | ||||
| # Clean up TestNode state | |||||
| self.nodes[0].running = False | |||||
| self.nodes[0].process = None | |||||
| self.nodes[0].rpc_connected = False | |||||
| self.nodes[0].rpc = None | |||||
| if __name__ == '__main__': | if __name__ == '__main__': | ||||
| HelpTest().main() | HelpTest().main() | ||||