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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests the multi-process processing engine."""
from __future__ import unicode_literals
import os
import unittest
from artifacts import reader as artifacts_reader
from artifacts import registry as artifacts_registry
from dfvfs.lib import definitions as dfvfs_definitions
from dfvfs.path import factory as path_spec_factory
from plaso.containers import sessions
from plaso.lib import definitions
from plaso.engine import configurations
from plaso.multi_processing import task_engine
from plaso.storage.sqlite import writer as sqlite_writer
from tests import test_lib as shared_test_lib
class TaskMultiProcessEngineTest(shared_test_lib.BaseTestCase):
"""Tests for the task multi-process engine."""
def testProcessSources(self):
"""Tests the PreprocessSources and ProcessSources function."""
artifacts_path = shared_test_lib.GetTestFilePath(['artifacts'])
self._SkipIfPathNotExists(artifacts_path)
registry = artifacts_registry.ArtifactDefinitionsRegistry()
reader = artifacts_reader.YamlArtifactsReader()
registry.ReadFromDirectory(reader, artifacts_path)
test_engine = task_engine.TaskMultiProcessEngine(
maximum_number_of_tasks=100)
test_file_path = self._GetTestFilePath(['ímynd.dd'])
self._SkipIfPathNotExists(test_file_path)
os_path_spec = path_spec_factory.Factory.NewPathSpec(
dfvfs_definitions.TYPE_INDICATOR_OS, location=test_file_path)
source_path_spec = path_spec_factory.Factory.NewPathSpec(
dfvfs_definitions.TYPE_INDICATOR_TSK, location='/',
parent=os_path_spec)
test_engine.PreprocessSources(registry, [source_path_spec])
session = sessions.Session()
configuration = configurations.ProcessingConfiguration()
configuration.parser_filter_expression = 'filestat'
configuration.task_storage_format = definitions.STORAGE_FORMAT_SQLITE
with shared_test_lib.TempDirectory() as temp_directory:
temp_file = os.path.join(temp_directory, 'storage.plaso')
storage_writer = sqlite_writer.SQLiteStorageFileWriter(session, temp_file)
test_engine.ProcessSources(
session, [source_path_spec], storage_writer, configuration)
# TODO: implement a way to obtain the results without relying
# on multi-process primitives e.g. by writing to a file.
# self.assertEqual(storage_writer.number_of_events, 15)
if __name__ == '__main__':
unittest.main()
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