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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the Virtual Windows Registry key implementation."""
from __future__ import unicode_literals
import unittest
from dfwinreg import registry
from dfwinreg import virtual
from tests import registry as test_registry
from tests import test_lib
class TestWinRegistry(object):
"""Windows Registry for testing."""
# pylint: disable=redundant-returns-doc,unused-argument
def GetKeyByPath(self, key_path):
"""Retrieves the key for a specific path.
Args:
key_path (str): Windows Registry key path.
Returns:
WinRegistryKey: Windows Registry key or None if not available.
Raises:
RuntimeError: if the root key is not supported.
"""
return None
class ErrorWinRegistry(object):
"""Windows Registry for testing that fails."""
# pylint: disable=redundant-returns-doc,unused-argument
def GetKeyByPath(self, key_path):
"""Retrieves the key for a specific path.
Args:
key_path (str): Windows Registry key path.
Returns:
WinRegistryKey: Windows Registry key or None if not available.
Raises:
RuntimeError: if the root key is not supported.
"""
raise RuntimeError('Not supported for testing')
class VirtualWinRegistryKeyTest(test_lib.BaseTestCase):
"""Tests for a virtual Windows Registry key."""
# pylint: disable=protected-access
def _CreateTestKey(self):
"""Creates a virtual Windows Registry key.
Returns:
VirtualWinRegistryKey: virtual Windows Registry key.
"""
registry_key = virtual.VirtualWinRegistryKey(
'HKEY_LOCAL_MACHINE', key_path='HKEY_LOCAL_MACHINE')
sub_registry_key = virtual.VirtualWinRegistryKey('System')
registry_key.AddSubkey(sub_registry_key)
sub_registry_key = virtual.VirtualWinRegistryKey('Software')
registry_key.AddSubkey(sub_registry_key)
test_registry_key = virtual.VirtualWinRegistryKey('Classes')
sub_registry_key.AddSubkey(test_registry_key)
return registry_key
def _CreateTestKeyWithMappedRegistry(self):
"""Creates a virtual Windows Registry key with a mapped registry.
Returns:
VirtualWinRegistryKey: virtual Windows Registry key.
"""
registry_key = virtual.VirtualWinRegistryKey(
'HKEY_LOCAL_MACHINE', key_path='HKEY_LOCAL_MACHINE')
win_registry = registry.WinRegistry(
registry_file_reader=test_registry.TestWinRegistryFileReader())
test_path = self._GetTestFilePath(['SYSTEM'])
registry_file = win_registry._OpenFile(test_path)
key_path_prefix = win_registry.GetRegistryFileMapping(registry_file)
win_registry.MapFile(key_path_prefix, registry_file)
sub_registry_key = virtual.VirtualWinRegistryKey(
'System', registry=win_registry)
registry_key.AddSubkey(sub_registry_key)
return registry_key
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testLastWrittenTime(self):
"""Tests the last_written_time property."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
self.assertIsNotNone(mapped_key.last_written_time)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testNumberOfSubkeys(self):
"""Tests the number_of_subkeys property."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
self.assertEqual(mapped_key.number_of_subkeys, 8)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testNumberOfValues(self):
"""Tests the number_of_values property."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
self.assertEqual(mapped_key.number_of_values, 0)
# Test virtual key fallback.
registry_key = self._CreateTestKey()
self.assertIsNotNone(registry_key)
self.assertEqual(registry_key.number_of_values, 0)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testOffset(self):
"""Tests the offset property."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
self.assertEqual(mapped_key.offset, 4132)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testPropertiesWithMappedRegistry(self):
"""Tests the properties with a mapped registry."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
self.assertIsNotNone(mapped_key.last_written_time)
timestamp = mapped_key.last_written_time.timestamp
self.assertEqual(timestamp, 129955760615200288)
self.assertEqual(mapped_key.number_of_subkeys, 8)
self.assertEqual(mapped_key.number_of_values, 0)
self.assertEqual(mapped_key.offset, 4132)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testGetKeyFromRegistry(self):
"""Tests the _GetKeyFromRegistry function."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
self.assertEqual(len(mapped_key._subkeys), 0)
mapped_key._GetKeyFromRegistry()
self.assertEqual(len(mapped_key._subkeys), 8)
registry_key = virtual.VirtualWinRegistryKey(
'HKEY_LOCAL_MACHINE', key_path='')
registry_key._GetKeyFromRegistry()
test_win_registry = TestWinRegistry()
registry_key = virtual.VirtualWinRegistryKey(
'HKEY_LOCAL_MACHINE', key_path='', registry=test_win_registry)
registry_key._GetKeyFromRegistry()
test_win_registry = ErrorWinRegistry()
registry_key = virtual.VirtualWinRegistryKey(
'HKEY_LOCAL_MACHINE', key_path='', registry=test_win_registry)
registry_key._GetKeyFromRegistry()
def testJoinKeyPath(self):
"""Tests the _JoinKeyPath function."""
registry_key = virtual.VirtualWinRegistryKey(
'HKEY_LOCAL_MACHINE', key_path='')
expected_path = 'HKEY_LOCAL_MACHINE\\Software'
path = registry_key._JoinKeyPath(['HKEY_LOCAL_MACHINE', 'Software'])
self.assertEqual(path, expected_path)
def testAddSubkey(self):
"""Tests the AddSubkey function."""
registry_key = virtual.VirtualWinRegistryKey(
'HKEY_LOCAL_MACHINE', key_path='')
sub_registry_key = virtual.VirtualWinRegistryKey(
'System', key_path='HKEY_LOCAL_MACHINE')
registry_key.AddSubkey(sub_registry_key)
with self.assertRaises(KeyError):
registry_key.AddSubkey(sub_registry_key)
def testGetSubkeyByIndex(self):
"""Tests the GetSubkeyByIndex function."""
registry_key = self._CreateTestKey()
sub_registry_key = registry_key.GetSubkeyByIndex(0)
self.assertIsNotNone(sub_registry_key)
expected_key_path = 'HKEY_LOCAL_MACHINE\\System'
self.assertEqual(sub_registry_key.path, expected_key_path)
with self.assertRaises(IndexError):
registry_key.GetSubkeyByIndex(-1)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testGetSubkeyByIndexWithMappedRegistry(self):
"""Tests the GetSubkeyByIndex function with a mapped registry."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
sub_registry_key = mapped_key.GetSubkeyByIndex(0)
self.assertIsNotNone(sub_registry_key)
def testGetSubkeyByName(self):
"""Tests the GetSubkeyByName function."""
registry_key = self._CreateTestKey()
sub_registry_key = registry_key.GetSubkeyByName('Software')
self.assertIsNotNone(sub_registry_key)
expected_key_path = 'HKEY_LOCAL_MACHINE\\Software'
self.assertEqual(sub_registry_key.path, expected_key_path)
sub_registry_key = registry_key.GetSubkeyByName('Bogus')
self.assertIsNone(sub_registry_key)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testGetSubkeyByNameWithMappedRegistry(self):
"""Tests the GetSubkeyByName function with a mapped registry."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
sub_registry_key = mapped_key.GetSubkeyByName('ControlSet001')
self.assertIsNotNone(sub_registry_key)
def testGetSubkeyByPath(self):
"""Tests the GetSubkeyByPath function."""
registry_key = self._CreateTestKey()
key_path = 'Software\\Classes'
sub_registry_key = registry_key.GetSubkeyByPath(key_path)
self.assertIsNotNone(sub_registry_key)
self.assertEqual(sub_registry_key.name, 'Classes')
expected_key_path = (
'HKEY_LOCAL_MACHINE\\Software\\Classes')
self.assertEqual(sub_registry_key.path, expected_key_path)
key_path = 'Software\\Bogus'
sub_registry_key = registry_key.GetSubkeyByPath(key_path)
self.assertIsNone(sub_registry_key)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testGetSubkeyByPathWithMappedRegistry(self):
"""Tests the GetSubkeyByPath function with a mapped registry."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
sub_registry_key = mapped_key.GetSubkeyByPath('ControlSet001\\Control')
self.assertIsNotNone(sub_registry_key)
def testGetSubkeys(self):
"""Tests the GetSubkeys function."""
registry_key = self._CreateTestKey()
sub_registry_keys = list(registry_key.GetSubkeys())
self.assertEqual(len(sub_registry_keys), 2)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testGetSubkeysWithMappedRegistry(self):
"""Tests the GetSubkeys function with a mapped registry."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
sub_registry_keys = list(mapped_key.GetSubkeys())
self.assertEqual(len(sub_registry_keys), 8)
def testGetValueByName(self):
"""Tests the GetValueByName function."""
registry_key = self._CreateTestKey()
registry_value = registry_key.GetValueByName('')
self.assertIsNone(registry_value)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testGetValueByNameWithMappedRegistry(self):
"""Tests the GetValueByName function with a mapped registry."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
registry_value = mapped_key.GetValueByName('')
self.assertIsNone(registry_value)
def testGetValues(self):
"""Tests the GetValues function."""
registry_key = self._CreateTestKey()
values = list(registry_key.GetValues())
self.assertEqual(len(values), 0)
@test_lib.skipUnlessHasTestFile(['SYSTEM'])
def testGetValuesWithMappedRegistry(self):
"""Tests the GetValues function with a mapped registry."""
registry_key = self._CreateTestKeyWithMappedRegistry()
mapped_key = registry_key.GetSubkeyByName('System')
self.assertIsNotNone(mapped_key)
values = list(mapped_key.GetValues())
self.assertEqual(len(values), 0)
if __name__ == '__main__':
unittest.main()
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