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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Tests for the file system 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_system
from tests import test_lib as shared_test_lib
class SQLiteBlobFileSystemTest(shared_test_lib.BaseTestCase):
"""Tests for the sqlite blob file system."""
def setUp(self):
"""Sets up the needed objects used throughout the test."""
self._resolver_context = context.Context()
test_file = self._GetTestFilePath(['blob.db'])
self._SkipIfPathNotExists(test_file)
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)
def tearDown(self):
"""Cleans up the needed objects used throughout the test."""
self._resolver_context.Empty()
def testOpenAndClose(self):
"""Test the open and close functionality."""
file_system = sqlite_blob_file_system.SQLiteBlobFileSystem(
self._resolver_context)
self.assertIsNotNone(file_system)
file_system.Open(self._sqlite_blob_path_spec)
file_system.Close()
file_system.Open(self._sqlite_blob_path_spec_2)
file_system.Close()
def testFileEntryExistsByPathSpec(self):
"""Test the file entry exists by path specification functionality."""
file_system = sqlite_blob_file_system.SQLiteBlobFileSystem(
self._resolver_context)
self.assertIsNotNone(file_system)
file_system.Open(self._sqlite_blob_path_spec)
self.assertTrue(file_system.FileEntryExistsByPathSpec(
self._sqlite_blob_path_spec))
self.assertTrue(file_system.FileEntryExistsByPathSpec(
self._sqlite_blob_path_spec_2))
file_system.Close()
def testGetFileEntryByPathSpec(self):
"""Tests the GetFileEntryByPathSpec function."""
file_system = sqlite_blob_file_system.SQLiteBlobFileSystem(
self._resolver_context)
self.assertIsNotNone(file_system)
file_system.Open(self._sqlite_blob_path_spec)
file_entry = file_system.GetFileEntryByPathSpec(self._sqlite_blob_path_spec)
self.assertIsNotNone(file_entry)
self.assertEqual(file_entry.name, 'WHERE name == \'mmssms.db\'')
file_entry = file_system.GetFileEntryByPathSpec(
self._sqlite_blob_path_spec_2)
self.assertIsNotNone(file_entry)
self.assertEqual(file_entry.name, 'OFFSET 2')
file_system.Close()
def testGetRootFileEntry(self):
"""Test the get root file entry functionality."""
file_system = sqlite_blob_file_system.SQLiteBlobFileSystem(
self._resolver_context)
self.assertIsNotNone(file_system)
file_system.Open(self._sqlite_blob_path_spec)
file_entry = file_system.GetRootFileEntry()
self.assertIsNotNone(file_entry)
self.assertEqual(file_entry.name, 'myblobs.blobs')
file_system.Close()
if __name__ == '__main__':
unittest.main()
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