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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests for the knowledge base."""
import unittest
from plaso.containers import artifacts
from plaso.engine import knowledge_base
from tests import test_lib as shared_test_lib
class KnowledgeBaseTest(shared_test_lib.BaseTestCase):
"""Tests for the knowledge base."""
# pylint: disable=protected-access
def testCodepageProperty(self):
"""Tests the codepage property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertEqual(knowledge_base_object.codepage, 'cp1252')
def testOperatingSystemProperty(self):
"""Tests the operating_system property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
operating_system = knowledge_base_object.GetValue('operating_system')
self.assertIsNone(operating_system)
knowledge_base_object.SetValue('operating_system', 'Windows')
operating_system = knowledge_base_object.GetValue('operating_system')
self.assertEqual(operating_system, 'Windows')
def testTimezoneProperty(self):
"""Tests the timezone property."""
knowledge_base_object = knowledge_base.KnowledgeBase()
self.assertEqual(knowledge_base_object.timezone.zone, 'UTC')
def testAddEnvironmentVariable(self):
"""Tests the AddEnvironmentVariable function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='SystemRoot', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
with self.assertRaises(KeyError):
knowledge_base_object.AddEnvironmentVariable(environment_variable)
def testGetEnvironmentVariable(self):
"""Tests the GetEnvironmentVariable functions."""
knowledge_base_object = knowledge_base.KnowledgeBase()
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='SystemRoot', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
test_environment_variable = knowledge_base_object.GetEnvironmentVariable(
'SystemRoot')
self.assertIsNotNone(test_environment_variable)
test_environment_variable = knowledge_base_object.GetEnvironmentVariable(
'sYsTeMrOoT')
self.assertIsNotNone(test_environment_variable)
test_environment_variable = knowledge_base_object.GetEnvironmentVariable(
'Bogus')
self.assertIsNone(test_environment_variable)
def testGetEnvironmentVariables(self):
"""Tests the GetEnvironmentVariables function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='SystemRoot', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
environment_variable = artifacts.EnvironmentVariableArtifact(
case_sensitive=False, name='WinDir', value='C:\\Windows')
knowledge_base_object.AddEnvironmentVariable(environment_variable)
environment_variables = knowledge_base_object.GetEnvironmentVariables()
self.assertEqual(len(environment_variables), 2)
def testGetHostname(self):
"""Tests the GetHostname function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
hostname = knowledge_base_object.GetHostname()
self.assertEqual(hostname, '')
def testGetSetValue(self):
"""Tests the Get and SetValue functions."""
knowledge_base_object = knowledge_base.KnowledgeBase()
expected_value = 'test value'
knowledge_base_object.SetValue('Test', expected_value)
value = knowledge_base_object.GetValue('Test')
self.assertEqual(value, expected_value)
value = knowledge_base_object.GetValue('tEsT')
self.assertEqual(value, expected_value)
value = knowledge_base_object.GetValue('Bogus')
self.assertIsNone(value)
def testReadSystemConfigurationArtifact(self):
"""Tests the ReadSystemConfigurationArtifact function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
system_configuration = artifacts.SystemConfigurationArtifact()
system_configuration.hostname = artifacts.HostnameArtifact(
name='myhost.mydomain')
knowledge_base_object.ReadSystemConfigurationArtifact(system_configuration)
hostname = knowledge_base_object.GetHostname()
self.assertEqual(hostname, 'myhost.mydomain')
def testSetActiveSession(self):
"""Tests the SetActiveSession function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
knowledge_base_object.SetActiveSession('ddda05bedf324cbd99fa8c24b8a0037a')
self.assertEqual(
knowledge_base_object._active_session,
'ddda05bedf324cbd99fa8c24b8a0037a')
knowledge_base_object.SetActiveSession(
knowledge_base_object._DEFAULT_ACTIVE_SESSION)
self.assertEqual(
knowledge_base_object._active_session,
knowledge_base_object._DEFAULT_ACTIVE_SESSION)
def testSetCodepage(self):
"""Tests the SetCodepage function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
knowledge_base_object.SetCodepage('cp1252')
with self.assertRaises(ValueError):
knowledge_base_object.SetCodepage('bogus')
def testSetHostname(self):
"""Tests the SetHostname function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
hostname_artifact = artifacts.HostnameArtifact(name='myhost.mydomain')
knowledge_base_object.SetHostname(hostname_artifact)
def testSetTimeZone(self):
"""Tests the SetTimeZone function."""
knowledge_base_object = knowledge_base.KnowledgeBase()
knowledge_base_object.SetTimeZone('Europe/Zurich')
self.assertEqual(knowledge_base_object._time_zone.zone, 'Europe/Zurich')
with self.assertRaises(ValueError):
knowledge_base_object.SetTimeZone('Bogus')
if __name__ == '__main__':
unittest.main()
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