mirror of https://github.com/python/cpython
148 lines
4.7 KiB
Python
148 lines
4.7 KiB
Python
from test.support import import_helper, threading_helper
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syslog = import_helper.import_module("syslog") #skip if not supported
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from test import support
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import sys
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import threading
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import time
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import unittest
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from textwrap import dedent
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# XXX(nnorwitz): This test sucks. I don't know of a platform independent way
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# to verify that the messages were really logged.
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# The only purpose of this test is to verify the code doesn't crash or leak.
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class Test(unittest.TestCase):
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def tearDown(self):
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syslog.closelog()
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def test_openlog(self):
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syslog.openlog('python')
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# Issue #6697.
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self.assertRaises(UnicodeEncodeError, syslog.openlog, '\uD800')
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def test_syslog(self):
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syslog.openlog('python')
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syslog.syslog('test message from python test_syslog')
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syslog.syslog(syslog.LOG_ERR, 'test error from python test_syslog')
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def test_syslog_implicit_open(self):
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syslog.closelog() # Make sure log is closed
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syslog.syslog('test message from python test_syslog')
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syslog.syslog(syslog.LOG_ERR, 'test error from python test_syslog')
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def test_closelog(self):
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syslog.openlog('python')
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syslog.closelog()
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syslog.closelog() # idempotent operation
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def test_setlogmask(self):
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mask = syslog.LOG_UPTO(syslog.LOG_WARNING)
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oldmask = syslog.setlogmask(mask)
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self.assertEqual(syslog.setlogmask(0), mask)
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self.assertEqual(syslog.setlogmask(oldmask), mask)
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def test_log_mask(self):
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mask = syslog.LOG_UPTO(syslog.LOG_WARNING)
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self.assertTrue(mask & syslog.LOG_MASK(syslog.LOG_WARNING))
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self.assertTrue(mask & syslog.LOG_MASK(syslog.LOG_ERR))
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self.assertFalse(mask & syslog.LOG_MASK(syslog.LOG_INFO))
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def test_openlog_noargs(self):
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syslog.openlog()
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syslog.syslog('test message from python test_syslog')
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@threading_helper.requires_working_threading()
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def test_syslog_threaded(self):
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start = threading.Event()
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stop = False
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def opener():
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start.wait(10)
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i = 1
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while not stop:
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syslog.openlog(f'python-test-{i}') # new string object
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i += 1
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def logger():
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start.wait(10)
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while not stop:
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syslog.syslog('test message from python test_syslog')
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orig_si = sys.getswitchinterval()
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support.setswitchinterval(1e-9)
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try:
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threads = [threading.Thread(target=opener)]
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threads += [threading.Thread(target=logger) for k in range(10)]
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with threading_helper.start_threads(threads):
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start.set()
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time.sleep(0.1)
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stop = True
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finally:
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sys.setswitchinterval(orig_si)
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def test_subinterpreter_syslog(self):
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# syslog.syslog() is not allowed in subinterpreters, but only if
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# syslog.openlog() hasn't been called in the main interpreter yet.
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with self.subTest('before openlog()'):
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code = dedent('''
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import syslog
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caught_error = False
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try:
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syslog.syslog('foo')
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except RuntimeError:
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caught_error = True
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assert(caught_error)
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''')
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res = support.run_in_subinterp(code)
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self.assertEqual(res, 0)
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syslog.openlog()
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try:
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with self.subTest('after openlog()'):
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code = dedent('''
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import syslog
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syslog.syslog('foo')
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''')
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res = support.run_in_subinterp(code)
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self.assertEqual(res, 0)
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finally:
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syslog.closelog()
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def test_subinterpreter_openlog(self):
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try:
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code = dedent('''
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import syslog
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caught_error = False
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try:
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syslog.openlog()
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except RuntimeError:
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caught_error = True
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assert(caught_error)
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''')
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res = support.run_in_subinterp(code)
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self.assertEqual(res, 0)
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finally:
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syslog.closelog()
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def test_subinterpreter_closelog(self):
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syslog.openlog('python')
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try:
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code = dedent('''
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import syslog
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caught_error = False
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try:
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syslog.closelog()
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except RuntimeError:
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caught_error = True
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assert(caught_error)
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''')
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res = support.run_in_subinterp(code)
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self.assertEqual(res, 0)
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finally:
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syslog.closelog()
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if __name__ == "__main__":
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unittest.main()
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