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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests for the worker processes CLI arguments helper."""
from __future__ import unicode_literals
import argparse
import unittest
from plaso.cli import tools
from plaso.cli.helpers import workers
from plaso.lib import errors
from tests.cli import test_lib as cli_test_lib
class WorkersArgumentsHelperTest(cli_test_lib.CLIToolTestCase):
"""Tests for the worker processes CLI arguments helper."""
# pylint: disable=no-member,protected-access
_EXPECTED_OUTPUT = """\
usage: cli_helper.py [--worker_memory_limit SIZE] [--worker_timeout MINUTES]
[--workers WORKERS]
Test argument parser.
optional arguments:
--worker_memory_limit SIZE, --worker-memory-limit SIZE
Maximum amount of memory (data segment and shared
memory) a worker process is allowed to consume in
bytes, where 0 represents no limit. The default limit
is 2147483648 (2 GiB). If a worker process exceeds
this limit it is killed by the main (foreman) process.
--worker_timeout MINUTES, --worker-timeout MINUTES
Number of minutes before a worker process that is not
providing status updates is considered inactive. The
default timeout is 15.0 minutes. If a worker process
exceeds this timeout it is killed by the main
(foreman) process.
--workers WORKERS Number of worker processes. The default is the number
of available system CPUs minus one, for the main
(foreman) process.
"""
def testAddArguments(self):
"""Tests the AddArguments function."""
argument_parser = argparse.ArgumentParser(
prog='cli_helper.py', description='Test argument parser.',
add_help=False,
formatter_class=cli_test_lib.SortedArgumentsHelpFormatter)
workers.WorkersArgumentsHelper.AddArguments(argument_parser)
output = self._RunArgparseFormatHelp(argument_parser)
self.assertEqual(output, self._EXPECTED_OUTPUT)
def testParseOptions(self):
"""Tests the ParseOptions function."""
options = cli_test_lib.TestOptions()
options.workers = 0
test_tool = tools.CLITool()
workers.WorkersArgumentsHelper.ParseOptions(options, test_tool)
self.assertEqual(test_tool._number_of_extraction_workers, options.workers)
with self.assertRaises(errors.BadConfigObject):
workers.WorkersArgumentsHelper.ParseOptions(options, None)
with self.assertRaises(errors.BadConfigOption):
options.workers = 'bogus'
workers.WorkersArgumentsHelper.ParseOptions(options, test_tool)
with self.assertRaises(errors.BadConfigOption):
options.workers = -1
workers.WorkersArgumentsHelper.ParseOptions(options, test_tool)
with self.assertRaises(errors.BadConfigOption):
options.worker_memory_limit = 'bogus'
workers.WorkersArgumentsHelper.ParseOptions(options, test_tool)
with self.assertRaises(errors.BadConfigOption):
options.worker_memory_limit = -1
workers.WorkersArgumentsHelper.ParseOptions(options, test_tool)
if __name__ == '__main__':
unittest.main()
|
