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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests for the multi-processing worker process."""
import unittest
from dfvfs.lib import definitions as dfvfs_definitions
from dfvfs.path import factory as path_spec_factory
from plaso.containers import sessions
from plaso.containers import tasks
from plaso.engine import configurations
from plaso.engine import worker
from plaso.lib import definitions
from plaso.multi_process import extraction_process
from plaso.multi_process import plaso_queue
from plaso.multi_process import zeromq_queue
from tests import test_lib as shared_test_lib
from tests.multi_process import test_lib
class TestEventExtractionWorker(worker.EventExtractionWorker):
"""Event extraction worker for testing."""
# pylint: disable=unused-argument
def ProcessPathSpec(
self, parser_mediator, path_spec, excluded_find_specs=None):
"""Processes a path specification.
Args:
parser_mediator (ParserMediator): mediates interactions between parsers
and other components, such as storage and dfVFS.
path_spec (dfvfs.PathSpec): path specification.
excluded_find_specs (Optional[list[dfvfs.FindSpec]]): find specifications
that are excluded from processing.
"""
return
class WorkerProcessTest(test_lib.MultiProcessingTestCase):
"""Tests the multi-processing worker process."""
# pylint: disable=protected-access
_QUEUE_TIMEOUT = 5
def testInitialization(self):
"""Tests the initialization."""
with shared_test_lib.TempDirectory() as temp_directory:
configuration = configurations.ProcessingConfiguration()
configuration.task_storage_path = temp_directory
test_process = extraction_process.ExtractionWorkerProcess(
None, configuration, [], [], None, name='TestWorker')
self.assertIsNotNone(test_process)
def testGetStatus(self):
"""Tests the _GetStatus function."""
with shared_test_lib.TempDirectory() as temp_directory:
configuration = configurations.ProcessingConfiguration()
configuration.task_storage_path = temp_directory
test_process = extraction_process.ExtractionWorkerProcess(
None, configuration, [], [], None, name='TestWorker')
status_attributes = test_process._GetStatus()
self.assertIsNotNone(status_attributes)
self.assertEqual(status_attributes['identifier'], 'TestWorker')
self.assertEqual(status_attributes['last_activity_timestamp'], 0.0)
task_storage_writer = self._CreateStorageWriter()
test_process._parser_mediator = self._CreateParserMediator(
task_storage_writer)
status_attributes = test_process._GetStatus()
self.assertIsNotNone(status_attributes)
self.assertEqual(status_attributes['identifier'], 'TestWorker')
self.assertEqual(status_attributes['last_activity_timestamp'], 0.0)
def testMain(self):
"""Tests the _Main function."""
output_task_queue = zeromq_queue.ZeroMQBufferedReplyBindQueue(
delay_open=True, linger_seconds=0, maximum_items=1,
name='test output task queue', timeout_seconds=self._QUEUE_TIMEOUT)
output_task_queue.Open()
input_task_queue = zeromq_queue.ZeroMQRequestConnectQueue(
delay_open=True, linger_seconds=0, name='test input task queue',
port=output_task_queue.port, timeout_seconds=self._QUEUE_TIMEOUT)
with shared_test_lib.TempDirectory() as temp_directory:
configuration = configurations.ProcessingConfiguration()
configuration.task_storage_path = temp_directory
test_process = extraction_process.ExtractionWorkerProcess(
input_task_queue, configuration, [], [], None, name='TestWorker')
test_process.start()
output_task_queue.PushItem(plaso_queue.QueueAbort(), block=False)
output_task_queue.Close(abort=True)
def testProcessPathSpec(self):
"""Tests the _ProcessPathSpec function."""
test_file_path = self._GetTestFilePath(['testdir', 'filter_1.txt'])
self._SkipIfPathNotExists(test_file_path)
path_spec = path_spec_factory.Factory.NewPathSpec(
dfvfs_definitions.TYPE_INDICATOR_OS, location=test_file_path)
with shared_test_lib.TempDirectory() as temp_directory:
configuration = configurations.ProcessingConfiguration()
configuration.task_storage_path = temp_directory
test_process = extraction_process.ExtractionWorkerProcess(
None, configuration, [], [], None, name='TestWorker')
task_storage_writer = self._CreateStorageWriter()
parser_mediator = self._CreateParserMediator(task_storage_writer)
extraction_worker = TestEventExtractionWorker()
test_process._ProcessPathSpec(
extraction_worker, parser_mediator, path_spec)
self.assertEqual(parser_mediator._number_of_extraction_warnings, 0)
test_process._ProcessPathSpec(None, parser_mediator, path_spec)
self.assertEqual(parser_mediator._number_of_extraction_warnings, 1)
def testProcessTask(self):
"""Tests the _ProcessTask function."""
session = sessions.Session()
with shared_test_lib.TempDirectory() as temp_directory:
configuration = configurations.ProcessingConfiguration()
configuration.task_storage_path = temp_directory
configuration.task_storage_format = definitions.STORAGE_FORMAT_SQLITE
test_process = extraction_process.ExtractionWorkerProcess(
None, configuration, [], [], None, name='TestWorker')
test_process._extraction_worker = TestEventExtractionWorker()
task_storage_writer = self._CreateStorageWriter()
test_process._parser_mediator = self._CreateParserMediator(
task_storage_writer)
task = tasks.Task(session_identifier=session.identifier)
test_process._ProcessTask(task)
def testStartAndStopProfiling(self):
"""Tests the _StartProfiling and _StopProfiling functions."""
with shared_test_lib.TempDirectory() as temp_directory:
configuration = configurations.ProcessingConfiguration()
configuration.profiling.directory = temp_directory
configuration.profiling.profilers = set([
'memory', 'parsers', 'processing', 'serializers', 'storage',
'task_queue'])
configuration.task_storage_path = temp_directory
test_process = extraction_process.ExtractionWorkerProcess(
None, configuration, [], [], None, name='TestWorker')
test_process._extraction_worker = TestEventExtractionWorker()
test_process._StartProfiling(None)
test_process._StartProfiling(configuration.profiling)
test_process._StopProfiling()
def testSignalAbort(self):
"""Tests the SignalAbort function."""
with shared_test_lib.TempDirectory() as temp_directory:
configuration = configurations.ProcessingConfiguration()
configuration.task_storage_path = temp_directory
test_process = extraction_process.ExtractionWorkerProcess(
None, configuration, [], [], None, name='TestWorker')
test_process.SignalAbort()
if __name__ == '__main__':
unittest.main()
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