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63 lines
2.4 KiB
63 lines
2.4 KiB
#!/usr/bin/env python3
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# Copyright (c) 2018-2019 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Verify that starting bitcoin with -h works as expected."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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class HelpTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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def setup_network(self):
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self.add_nodes(self.num_nodes)
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# Don't start the node
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def get_node_output(self, *, ret_code_expected):
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ret_code = self.nodes[0].process.wait(timeout=60)
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assert_equal(ret_code, ret_code_expected)
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self.nodes[0].stdout.seek(0)
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self.nodes[0].stderr.seek(0)
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out = self.nodes[0].stdout.read()
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err = self.nodes[0].stderr.read()
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self.nodes[0].stdout.close()
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self.nodes[0].stderr.close()
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# Clean up TestNode state
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self.nodes[0].running = False
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self.nodes[0].process = None
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self.nodes[0].rpc_connected = False
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self.nodes[0].rpc = None
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return out, err
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def run_test(self):
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self.log.info("Start bitcoin with -h for help text")
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self.nodes[0].start(extra_args=['-h'])
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# Node should exit immediately and output help to stdout.
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output, _ = self.get_node_output(ret_code_expected=0)
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assert b'Options' in output
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self.log.info("Help text received: {} (...)".format(output[0:60]))
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self.log.info("Start bitcoin with -version for version information")
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self.nodes[0].start(extra_args=['-version'])
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# Node should exit immediately and output version to stdout.
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output, _ = self.get_node_output(ret_code_expected=0)
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assert b'version' in output
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self.log.info("Version text received: {} (...)".format(output[0:60]))
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# Test that arguments not in the help results in an error
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self.log.info("Start bitcoind with -fakearg to make sure it does not start")
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self.nodes[0].start(extra_args=['-fakearg'])
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# Node should exit immediately and output an error to stderr
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_, output = self.get_node_output(ret_code_expected=1)
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assert b'Error parsing command line arguments' in output
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self.log.info("Error message received: {} (...)".format(output[0:60]))
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if __name__ == '__main__':
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HelpTest().main()
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