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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests for the hashers CLI arguments helper."""
from __future__ import unicode_literals
import argparse
import unittest
from plaso.cli import tools
from plaso.cli.helpers import hashers
from plaso.lib import errors
from tests.cli import test_lib as cli_test_lib
class HashersArgumentsHelperTest(cli_test_lib.CLIToolTestCase):
"""Tests for the hashers CLI arguments helper."""
# pylint: disable=no-member,protected-access
_EXPECTED_OUTPUT = """\
usage: cli_helper.py [--hasher_file_size_limit SIZE] [--hashers HASHER_LIST]
Test argument parser.
optional arguments:
--hasher_file_size_limit SIZE, --hasher-file-size-limit SIZE
Define the maximum file size in bytes that hashers
should process. Any larger file will be skipped. A
size of 0 represents no limit.
--hashers HASHER_LIST
Define a list of hashers to use by the tool. This is a
comma separated list where each entry is the name of a
hasher, such as "md5,sha256". "all" indicates that all
hashers should be enabled. "none" disables all
hashers. Use "--hashers list" or "--info" to list the
available hashers.
"""
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)
hashers.HashersArgumentsHelper.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.hashers = 'sha1'
options.hasher_file_size_limit = 0
test_tool = tools.CLITool()
hashers.HashersArgumentsHelper.ParseOptions(options, test_tool)
self.assertEqual(test_tool._hasher_names_string, options.hashers)
with self.assertRaises(errors.BadConfigObject):
hashers.HashersArgumentsHelper.ParseOptions(options, None)
with self.assertRaises(errors.BadConfigOption):
options.hasher_file_size_limit = 'bogus'
hashers.HashersArgumentsHelper.ParseOptions(options, test_tool)
with self.assertRaises(errors.BadConfigOption):
options.hasher_file_size_limit = -1
hashers.HashersArgumentsHelper.ParseOptions(options, test_tool)
if __name__ == '__main__':
unittest.main()
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