test/functional/feature_logging.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 debug logging."""
   6
   7 import os
   8
   9 from test_framework.test_framework import BitcoinTestFramework
  10
  11 class LoggingTest(BitcoinTestFramework):
  12     def set_test_params(self):
  13         self.num_nodes = 1
  14         self.setup_clean_chain = True
  15
  16     def run_test(self):
  17         # test default log file name
  18         assert os.path.isfile(os.path.join(self.nodes[0].datadir, "regtest", "debug.log"))
  19
  20         # test alternative log file name in datadir
  21         self.restart_node(0, ["-debuglogfile=foo.log"])
  22         assert os.path.isfile(os.path.join(self.nodes[0].datadir, "regtest", "foo.log"))
  23
  24         # test alternative log file name outside datadir
  25         tempname = os.path.join(self.options.tmpdir, "foo.log")
  26         self.restart_node(0, ["-debuglogfile=%s" % tempname])
  27         assert os.path.isfile(tempname)
  28
  29         # check that invalid log (relative) will cause error
  30         invdir = os.path.join(self.nodes[0].datadir, "regtest", "foo")
  31         invalidname = os.path.join("foo", "foo.log")
  32         self.stop_node(0)
  33         self.assert_start_raises_init_error(0, ["-debuglogfile=%s" % (invalidname)],
  34                                                 "Error: Could not open debug log file")
  35         assert not os.path.isfile(os.path.join(invdir, "foo.log"))
  36
  37         # check that invalid log (relative) works after path exists
  38         self.stop_node(0)
  39         os.mkdir(invdir)
  40         self.start_node(0, ["-debuglogfile=%s" % (invalidname)])
  41         assert os.path.isfile(os.path.join(invdir, "foo.log"))
  42
  43         # check that invalid log (absolute) will cause error
  44         self.stop_node(0)
  45         invdir = os.path.join(self.options.tmpdir, "foo")
  46         invalidname = os.path.join(invdir, "foo.log")
  47         self.assert_start_raises_init_error(0, ["-debuglogfile=%s" % invalidname],
  48                                                "Error: Could not open debug log file")
  49         assert not os.path.isfile(os.path.join(invdir, "foo.log"))
  50
  51         # check that invalid log (absolute) works after path exists
  52         self.stop_node(0)
  53         os.mkdir(invdir)
  54         self.start_node(0, ["-debuglogfile=%s" % (invalidname)])
  55         assert os.path.isfile(os.path.join(invdir, "foo.log"))
  56
  57
  58 if __name__ == '__main__':
  59     LoggingTest().main()