1  from test.support import import_helper, threading_helper
       2  syslog = import_helper.import_module("syslog") #skip if not supported
       3  from test import support
       4  import sys
       5  import threading
       6  import time
       7  import unittest
       8  
       9  # XXX(nnorwitz): This test sucks.  I don't know of a platform independent way
      10  # to verify that the messages were really logged.
      11  # The only purpose of this test is to verify the code doesn't crash or leak.
      12  
      13  class ESC[4;38;5;81mTest(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
      14  
      15      def tearDown(self):
      16          syslog.closelog()
      17  
      18      def test_openlog(self):
      19          syslog.openlog('python')
      20          # Issue #6697.
      21          self.assertRaises(UnicodeEncodeError, syslog.openlog, '\uD800')
      22  
      23      def test_syslog(self):
      24          syslog.openlog('python')
      25          syslog.syslog('test message from python test_syslog')
      26          syslog.syslog(syslog.LOG_ERR, 'test error from python test_syslog')
      27  
      28      def test_syslog_implicit_open(self):
      29          syslog.closelog() # Make sure log is closed
      30          syslog.syslog('test message from python test_syslog')
      31          syslog.syslog(syslog.LOG_ERR, 'test error from python test_syslog')
      32  
      33      def test_closelog(self):
      34          syslog.openlog('python')
      35          syslog.closelog()
      36          syslog.closelog()  # idempotent operation
      37  
      38      def test_setlogmask(self):
      39          mask = syslog.LOG_UPTO(syslog.LOG_WARNING)
      40          oldmask = syslog.setlogmask(mask)
      41          self.assertEqual(syslog.setlogmask(0), mask)
      42          self.assertEqual(syslog.setlogmask(oldmask), mask)
      43  
      44      def test_log_mask(self):
      45          mask = syslog.LOG_UPTO(syslog.LOG_WARNING)
      46          self.assertTrue(mask & syslog.LOG_MASK(syslog.LOG_WARNING))
      47          self.assertTrue(mask & syslog.LOG_MASK(syslog.LOG_ERR))
      48          self.assertFalse(mask & syslog.LOG_MASK(syslog.LOG_INFO))
      49  
      50      def test_openlog_noargs(self):
      51          syslog.openlog()
      52          syslog.syslog('test message from python test_syslog')
      53  
      54      @threading_helper.requires_working_threading()
      55      def test_syslog_threaded(self):
      56          start = threading.Event()
      57          stop = False
      58          def opener():
      59              start.wait(10)
      60              i = 1
      61              while not stop:
      62                  syslog.openlog(f'python-test-{i}')  # new string object
      63                  i += 1
      64          def logger():
      65              start.wait(10)
      66              while not stop:
      67                  syslog.syslog('test message from python test_syslog')
      68  
      69          orig_si = sys.getswitchinterval()
      70          support.setswitchinterval(1e-9)
      71          try:
      72              threads = [threading.Thread(target=opener)]
      73              threads += [threading.Thread(target=logger) for k in range(10)]
      74              with threading_helper.start_threads(threads):
      75                  start.set()
      76                  time.sleep(0.1)
      77                  stop = True
      78          finally:
      79              sys.setswitchinterval(orig_si)
      80  
      81  
      82  if __name__ == "__main__":
      83      unittest.main()