test/functional/uacomment.py

   1 #!/usr/bin/env python3
   2 # Copyright (c) 2017 The Bitcoin Core developers
   3 # Distributed under the MIT software license, see the accompanying
   4 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5 """Test the -uacomment option."""
   6
   7 from test_framework.test_framework import BitcoinTestFramework
   8 from test_framework.util import assert_equal
   9
  10 class UacommentTest(BitcoinTestFramework):
  11     def set_test_params(self):
  12         self.num_nodes = 1
  13         self.setup_clean_chain = True
  14
  15     def run_test(self):
  16         self.log.info("test multiple -uacomment")
  17         test_uacomment = self.nodes[0].getnetworkinfo()["subversion"][-12:-1]
  18         assert_equal(test_uacomment, "(testnode0)")
  19
  20         self.restart_node(0, ["-uacomment=foo"])
  21         foo_uacomment = self.nodes[0].getnetworkinfo()["subversion"][-17:-1]
  22         assert_equal(foo_uacomment, "(testnode0; foo)")
  23
  24         self.log.info("test -uacomment max length")
  25         self.stop_node(0)
  26         expected = "Total length of network version string (286) exceeds maximum length (256). Reduce the number or size of uacomments."
  27         self.assert_start_raises_init_error(0, ["-uacomment=" + 'a' * 256], expected)
  28
  29         self.log.info("test -uacomment unsafe characters")
  30         for unsafe_char in ['/', ':', '(', ')']:
  31             expected = "User Agent comment (" + unsafe_char + ") contains unsafe characters"
  32             self.assert_start_raises_init_error(0, ["-uacomment=" + unsafe_char], expected)
  33
  34 if __name__ == '__main__':
  35     UacommentTest().main()