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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the file entry implementation using sqlite blob."""
from __future__ import unicode_literals
import unittest
from dfvfs.path import sqlite_blob_path_spec
from dfvfs.path import os_path_spec
from dfvfs.resolver import context
from dfvfs.vfs import sqlite_blob_file_entry
from dfvfs.vfs import sqlite_blob_file_system
from tests import test_lib as shared_test_lib
@shared_test_lib.skipUnlessHasTestFile(['blob.db'])
class SQLiteBlobFileEntryTest(shared_test_lib.BaseTestCase):
"""Tests for the sqlite blob file entry."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['blob.db'])
path_spec = os_path_spec.OSPathSpec(location=test_file)
self._sqlite_blob_path_spec = sqlite_blob_path_spec.SQLiteBlobPathSpec(
table_name='myblobs', column_name='blobs',
row_condition=('name', '==', 'mmssms.db'), parent=path_spec)
self._sqlite_blob_path_spec_2 = sqlite_blob_path_spec.SQLiteBlobPathSpec(
table_name='myblobs', column_name='blobs',
row_index=2, parent=path_spec)
self._sqlite_blob_path_spec_3 = sqlite_blob_path_spec.SQLiteBlobPathSpec(
table_name='myblobs', column_name='blobs',
row_condition=('name', '==', 4), parent=path_spec)
self._sqlite_blob_path_spec_directory = (
sqlite_blob_path_spec.SQLiteBlobPathSpec(
table_name='myblobs', column_name='blobs', parent=path_spec))
self._file_system = sqlite_blob_file_system.SQLiteBlobFileSystem(
self._resolver_context)
self._file_system.Open(self._sqlite_blob_path_spec)
def tearDown(self):
"""Cleans up the needed objects used throughout the test."""
self._file_system.Close()
def testIntialize(self):
"""Test the __init__ function."""
file_entry = sqlite_blob_file_entry.SQLiteBlobFileEntry(
self._resolver_context, self._file_system, self._sqlite_blob_path_spec)
self.assertIsNotNone(file_entry)
file_entry = sqlite_blob_file_entry.SQLiteBlobFileEntry(
self._resolver_context, self._file_system,
self._sqlite_blob_path_spec_2)
self.assertIsNotNone(file_entry)
def testGetFileEntryByPathSpec(self):
"""Test the get a file entry by path specification functionality."""
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec)
self.assertIsNotNone(file_entry)
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec_2)
self.assertIsNotNone(file_entry)
def testGetParentFileEntry(self):
"""Tests the GetParentFileEntry function."""
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec)
self.assertIsNotNone(file_entry)
parent_file_entry = file_entry.GetParentFileEntry()
self.assertIsNotNone(parent_file_entry)
self.assertEqual(parent_file_entry.name, 'myblobs.blobs')
def testGetStat(self):
"""Tests the GetStat function."""
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec)
stat_object = file_entry.GetStat()
self.assertIsNotNone(stat_object)
self.assertEqual(stat_object.type, stat_object.TYPE_FILE)
self.assertEqual(stat_object.size, 110592)
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec_2)
stat_object = file_entry.GetStat()
self.assertIsNotNone(stat_object)
self.assertEqual(stat_object.type, stat_object.TYPE_FILE)
self.assertEqual(stat_object.size, 11)
def testIsFunctions(self):
"""Test the Is? functions."""
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec)
self.assertFalse(file_entry.IsRoot())
self.assertFalse(file_entry.IsVirtual())
self.assertTrue(file_entry.IsAllocated())
self.assertFalse(file_entry.IsDevice())
self.assertFalse(file_entry.IsDirectory())
self.assertTrue(file_entry.IsFile())
self.assertFalse(file_entry.IsLink())
self.assertFalse(file_entry.IsPipe())
self.assertFalse(file_entry.IsSocket())
def testName(self):
"""Test name property."""
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec)
self.assertTrue(file_entry.name == (
'WHERE name == \'mmssms.db\''))
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec_3)
self.assertTrue(file_entry.name == 'WHERE name == 4')
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec_directory)
self.assertTrue(file_entry.name == 'myblobs.blobs')
def testSubFileEntries(self):
"""Test the sub file entries iteration functionality."""
file_entry = self._file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec_directory)
self.assertTrue(file_entry.IsDirectory())
self.assertIsNotNone(file_entry)
self.assertEqual(file_entry.number_of_sub_file_entries, 4)
expected_sub_file_entry_names = [
'OFFSET 0', 'OFFSET 1', 'OFFSET 2', 'OFFSET 3']
sub_file_entry_names = []
for sub_file_entry in file_entry.sub_file_entries:
sub_file_entry_names.append(sub_file_entry.name)
self.assertEqual(
len(sub_file_entry_names), len(expected_sub_file_entry_names))
self.assertEqual(
sorted(sub_file_entry_names), expected_sub_file_entry_names)
if __name__ == '__main__':
unittest.main()
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