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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Tests for the output manager."""
from __future__ import unicode_literals
import unittest
from plaso.output import interface
from plaso.output import manager
class TestOutput(interface.OutputModule):
"""Test output module."""
NAME = 'test_output'
DESCRIPTION = 'This is a test output module.'
# pylint: disable=unused-argument
def WriteEventBody(self, event, event_data, event_data_stream, event_tag):
"""Writes event values to the output.
Args:
event (EventObject): event.
event_data (EventData): event data.
event_data_stream (EventDataStream): event data stream.
event_tag (EventTag): event tag.
"""
return
class OutputManagerTest(unittest.TestCase):
"""Tests for the output manager."""
def testRegistration(self):
"""Tests the RegisterOutput and DeregisterOutput functions."""
# pylint: disable=protected-access
number_of_parsers = len(manager.OutputManager._output_classes)
manager.OutputManager.RegisterOutput(TestOutput)
with self.assertRaises(KeyError):
manager.OutputManager.RegisterOutput(TestOutput)
self.assertEqual(
len(manager.OutputManager._output_classes),
number_of_parsers + 1)
with self.assertRaises(KeyError):
manager.OutputManager.RegisterOutput(TestOutput)
manager.OutputManager.DeregisterOutput(TestOutput)
self.assertEqual(
len(manager.OutputManager._output_classes),
number_of_parsers)
def testGetOutputClass(self):
"""Tests the GetOutputClass function."""
manager.OutputManager.RegisterOutput(TestOutput)
output_class = manager.OutputManager.GetOutputClass('test_output')
self.assertEqual(output_class, TestOutput)
with self.assertRaises(ValueError):
_ = manager.OutputManager.GetOutputClass(1)
with self.assertRaises(KeyError):
_ = manager.OutputManager.GetOutputClass('bogus')
manager.OutputManager.DeregisterOutput(TestOutput)
def testGetDisabledOutputClasses(self):
"""Tests the GetDisabledOutputClasses function."""
manager.OutputManager.RegisterOutput(TestOutput, disabled=True)
names = []
output_classes = []
for name, output_class in manager.OutputManager.GetDisabledOutputClasses():
names.append(name)
output_classes.append(output_class)
self.assertIn('test_output', names)
self.assertIn(TestOutput, output_classes)
manager.OutputManager.DeregisterOutput(TestOutput)
def testGetOutputClasses(self):
"""Tests the GetOutputClasses function."""
manager.OutputManager.RegisterOutput(TestOutput)
names = []
output_classes = []
for name, output_class in manager.OutputManager.GetOutputClasses():
names.append(name)
output_classes.append(output_class)
self.assertIn('test_output', names)
self.assertIn(TestOutput, output_classes)
manager.OutputManager.DeregisterOutput(TestOutput)
def testHasOutputClass(self):
"""Tests the HasOutputClass function."""
manager.OutputManager.RegisterOutput(TestOutput)
self.assertTrue(manager.OutputManager.HasOutputClass('test_output'))
self.assertFalse(manager.OutputManager.HasOutputClass('bogus'))
self.assertFalse(manager.OutputManager.HasOutputClass(1))
manager.OutputManager.DeregisterOutput(TestOutput)
# TODO: add tests for IsLinearOutputModule.
def testNewOutputModule(self):
"""Tests the NewOutputModule function."""
manager.OutputManager.RegisterOutput(TestOutput)
output_module = manager.OutputManager.NewOutputModule('test_output', None)
self.assertIsInstance(output_module, TestOutput)
with self.assertRaises(ValueError):
_ = manager.OutputManager.NewOutputModule(1, None)
with self.assertRaises(KeyError):
_ = manager.OutputManager.NewOutputModule('bogus', None)
manager.OutputManager.DeregisterOutput(TestOutput)
if __name__ == '__main__':
unittest.main()
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