115 lines
3.6 KiB
Python
115 lines
3.6 KiB
Python
import unittest
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import signal
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import subprocess
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import sys
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import tempfile
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import time
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import psutil
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class TestProcessProto(unittest.TestCase):
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"""Test process attributes, common flow"""
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_process_cmd = ['minode']
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_connection_limit = 4 if sys.platform.startswith('win') else 10
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_listen = False
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_listening_port = None
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home = None
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@classmethod
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def setUpClass(cls):
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if not cls.home:
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cls.home = tempfile.gettempdir()
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cmd = cls._process_cmd + [
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'--data-dir', cls.home,
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'--connection-limit', str(cls._connection_limit)
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]
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if not cls._listen:
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cmd += ['--no-incoming']
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elif cls._listening_port:
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cmd += ['-p', str(cls._listening_port)]
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cls.process = psutil.Popen(cmd, stderr=subprocess.STDOUT) # nosec
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@classmethod
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def _stop_process(cls, timeout=5):
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cls.process.send_signal(signal.SIGTERM)
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try:
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cls.process.wait(timeout)
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except psutil.TimeoutExpired:
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return False
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return True
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@classmethod
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def tearDownClass(cls):
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"""Ensures that pybitmessage stopped and removes files"""
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try:
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if not cls._stop_process(10):
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try:
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cls.process.kill()
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except psutil.NoSuchProcess:
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pass
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except psutil.NoSuchProcess:
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pass
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class TestProcessShutdown(TestProcessProto):
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"""Separate test case for SIGTERM"""
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def test_shutdown(self):
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"""Send to minode SIGTERM and ensure it stopped"""
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# longer wait time because it's not a benchmark
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self.assertTrue(
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self._stop_process(20),
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'%s has not stopped in 20 sec' % ' '.join(self._process_cmd))
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class TestProcess(TestProcessProto):
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"""The test case for minode process"""
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_wait_time = 120
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_check_limit = False
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def test_connections(self):
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"""Check minode process connections"""
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_started = time.time()
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def connections():
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return [
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c for c in self.process.connections()
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if c.status == 'ESTABLISHED']
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def continue_check_limit(extra_time):
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for t in range(extra_time * 2):
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self.assertLessEqual(
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len(connections()),
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# shared.outgoing_connections, one listening
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# TODO: find the cause of one extra
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(min(self._connection_limit, 8) if not self._listen
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else self._connection_limit) + 1,
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'Opened more connections than required'
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' by --connection-limit')
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time.sleep(1)
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for t in range(self._wait_time * 2):
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if len(connections()) > self._connection_limit / 2:
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_time_to_connect = round(time.time() - _started)
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break
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time.sleep(0.5)
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else:
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self.fail(
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'Failed establish at least %s connections in %s sec'
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% (self._connection_limit / 2, self._wait_time))
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if self._check_limit:
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continue_check_limit(_time_to_connect)
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for c in self.process.connections():
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if c.status == 'LISTEN':
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if self._listen is False:
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return self.fail(
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'Listening while started with --no-incoming')
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self.assertEqual(c.laddr[1], self._listening_port or 8444)
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break
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else:
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if self._listen:
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self.fail('No listening connection found')
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