# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.runner.procmontap}.
"""
from twisted.python.usage import UsageError
from twisted.trial import unittest
from twisted.runner.procmon import ProcessMonitor
from twisted.runner import procmontap as tap
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)