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# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.runner.procmontap}.
"""
from twisted.python.usage import UsageError
from twisted.runner import procmontap as tap
from twisted.runner.procmon import ProcessMonitor
from twisted.trial import unittest
class ProcessMonitorTapTests(unittest.TestCase):
"""
Tests for L{twisted.runner.procmontap}'s option parsing and makeService
method.
"""
def test_commandLineRequired(self):
"""
The command line arguments must be provided.
"""
opt = tap.Options()
self.assertRaises(UsageError, opt.parseOptions, [])
def test_threshold(self):
"""
The threshold option is recognised as a parameter and coerced to
float.
"""
opt = tap.Options()
opt.parseOptions(["--threshold", "7.5", "foo"])
self.assertEqual(opt["threshold"], 7.5)
def test_killTime(self):
"""
The killtime option is recognised as a parameter and coerced to float.
"""
opt = tap.Options()
opt.parseOptions(["--killtime", "7.5", "foo"])
self.assertEqual(opt["killtime"], 7.5)
def test_minRestartDelay(self):
"""
The minrestartdelay option is recognised as a parameter and coerced to
float.
"""
opt = tap.Options()
opt.parseOptions(["--minrestartdelay", "7.5", "foo"])
self.assertEqual(opt["minrestartdelay"], 7.5)
def test_maxRestartDelay(self):
"""
The maxrestartdelay option is recognised as a parameter and coerced to
float.
"""
opt = tap.Options()
opt.parseOptions(["--maxrestartdelay", "7.5", "foo"])
self.assertEqual(opt["maxrestartdelay"], 7.5)
def test_parameterDefaults(self):
"""
The parameters all have default values
"""
opt = tap.Options()
opt.parseOptions(["foo"])
self.assertEqual(opt["threshold"], 1)
self.assertEqual(opt["killtime"], 5)
self.assertEqual(opt["minrestartdelay"], 1)
self.assertEqual(opt["maxrestartdelay"], 3600)
def test_makeService(self):
"""
The command line gets added as a process to the ProcessMontor.
"""
opt = tap.Options()
opt.parseOptions(["ping", "-c", "3", "8.8.8.8"])
s = tap.makeService(opt)
self.assertIsInstance(s, ProcessMonitor)
self.assertIn("ping -c 3 8.8.8.8", s.processes)
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