# Copyright (C) 2015 Combox author(s). See AUTHORS.
#
# This file is part of Combox.
#
# Combox is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Combox is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Combox (see COPYING). If not, see
# <http://www.gnu.org/licenses/>.
import os
import time
import yaml
from filecmp import cmp
from glob import glob
from os import path, remove
from shutil import copyfile
from nose.tools import *
from watchdog.observers import Observer
from combox.config import get_nodedirs
from combox.crypto import decrypt_and_glue, split_and_encrypt
from combox.events import ComboxDirMonitor, NodeDirMonitor
from combox.file import (relative_path, purge_dir,
read_file, write_file,
rm_shards, mk_nodedir)
from combox.silo import ComboxSilo
from tests.utils import (get_config, shardedp, dirp, renamedp,
path_deletedp, rm_nodedirs, rm_configdir,
purge_nodedirs)
class TestEvents(object):
"""
Class that tests the events.py module.
"""
@classmethod
def setup_class(self):
"""Set things up."""
self.config = get_config()
self.FILES_DIR = self.config['combox_dir']
self.NODE_DIR = get_nodedirs(self.config)[0]
self.TEST_FILE = path.join(self.FILES_DIR, 'thgttg-21st.png')
self.lorem = path.join(self.FILES_DIR, 'lorem.txt')
self.ipsum = path.join(self.FILES_DIR, 'ipsum.txt')
self.lorem_moved = path.join(self.FILES_DIR, 'lorem.moved.txt')
self.lorem_ipsum = path.join(self.FILES_DIR, 'lorem.ipsum.txt')
# files that have to be removed at the end of this test class
# should be appended to this list.
self.purge_list = []
def test_CDM(self):
"""
Tests the ComboxDirMonitor class.
"""
event_handler = ComboxDirMonitor(self.config)
observer = Observer()
observer.schedule(event_handler, self.FILES_DIR, recursive=True)
observer.start()
# Test - new file addition
self.TEST_FILE_COPY_0 = "%s.mutant" % self.TEST_FILE
copyfile(self.TEST_FILE, self.TEST_FILE_COPY_0)
## wait for ComboxDirMonitor to split and scatter the file in the
## node directories.
time.sleep(1)
## check if the shards were created.
shardedp(self.TEST_FILE_COPY_0)
## check if the new file's info is in silo
silo = ComboxSilo(self.config)
assert silo.exists(self.TEST_FILE_COPY_0)
# Test - File deletion.
remove(self.TEST_FILE_COPY_0)
time.sleep(1)
path_deletedp(self.TEST_FILE_COPY_0)
## check if the new file's info is removed from silo
silo = ComboxSilo(self.config)
assert not silo.exists(self.TEST_FILE_COPY_0)
# Test - directory creation
self.TEST_DIR_0 = path.join(self.FILES_DIR, 'foo')
os.mkdir(self.TEST_DIR_0)
time.sleep(2)
## check if TEST_DIR_0 is created under node directories.
dirp(self.TEST_DIR_0)
self.TEST_DIR_1 = path.join(self.TEST_DIR_0, 'bar')
os.mkdir(self.TEST_DIR_1)
time.sleep(2)
## check if TEST_DIR_1 is created under node directories.
dirp(self.TEST_DIR_1)
# Test - new file in a nested directory
self.TEST_FILE_COPY_1 = path.join(self.TEST_DIR_1,
path.basename(self.TEST_FILE))
copyfile(self.TEST_FILE, self.TEST_FILE_COPY_1)
time.sleep(1)
shardedp(self.TEST_FILE_COPY_1)
# Test - dir rename
self.TEST_DIR_1_NEW = path.join(path.dirname(self.TEST_DIR_1),
'snafu')
self.TEST_FILE_COPY_1_NEW = path.join(self.TEST_DIR_1_NEW,
path.basename(self.TEST_FILE))
os.rename(self.TEST_DIR_1, self.TEST_DIR_1_NEW)
time.sleep(1)
renamedp(self.TEST_DIR_1, self.TEST_DIR_1_NEW)
renamedp(self.TEST_FILE_COPY_1, self.TEST_FILE_COPY_1_NEW)
## check if the new file's info is updated in silo
silo = ComboxSilo(self.config)
assert not silo.exists(self.TEST_FILE_COPY_1)
assert silo.exists(self.TEST_FILE_COPY_1_NEW)
# Test directory & file deletion
purge_dir(self.TEST_DIR_0)
# remove the directory itself.
os.rmdir(self.TEST_DIR_0)
time.sleep(2)
path_deletedp(self.TEST_FILE_COPY_1_NEW)
path_deletedp(self.TEST_DIR_1, True)
path_deletedp(self.TEST_DIR_0, True)
# Test - file modification
self.lorem_file = path.join(self.FILES_DIR, 'lorem.txt')
self.lorem_file_copy = "%s.copy" % self.lorem_file
# this will shard lorem.txt.copy in the node directories.
copyfile(self.lorem_file, self.lorem_file_copy)
time.sleep(1)
shardedp(self.lorem_file_copy)
## check if the lorem_file_copy's info is stored in silo
silo = ComboxSilo(self.config)
lorem_file_copy_hash = silo.db.get(self.lorem_file_copy)
self.ipsum_file = path.join(self.FILES_DIR, 'ipsum.txt')
ipsum_content = read_file(self.ipsum_file)
lorem_copy_content = read_file(self.lorem_file_copy)
lorem_copy_content = "%s\n%s" % (lorem_copy_content, ipsum_content)
# write lorem's new content to lorem_file_copy
write_file(self.lorem_file_copy, lorem_copy_content)
time.sleep(1)
## check if the lorem_file_copy's info is updated in silo
silo = ComboxSilo(self.config)
assert lorem_file_copy_hash != silo.db.get(self.lorem_file_copy)
# decrypt_and_glue will decrypt the file shards, glues them and
# writes it to the respective file
decrypt_and_glue(self.lorem_file_copy, self.config)
time.sleep(1)
lorem_content_from_disk = read_file(self.lorem_file_copy)
assert lorem_copy_content == lorem_content_from_disk
# remove lorem_file_copy and confirm that its shards are deleted
# in the node directories.
remove(self.lorem_file_copy)
time.sleep(1)
path_deletedp(self.lorem_file_copy)
## check if the lorem_file_copy's info is deleted from silo
silo = ComboxSilo(self.config)
assert not silo.exists(self.lorem_file_copy)
observer.stop()
observer.join()
def test_housekeep(self):
"""ComboxDirMonitor's housekeep method test."""
# test file deletion and addition
os.rename(self.lorem, self.lorem_moved)
cdm = ComboxDirMonitor(self.config)
cdm.housekeep()
silo = ComboxSilo(self.config)
assert not silo.exists(self.lorem)
assert silo.exists(self.lorem_moved)
shardedp(self.lorem_moved)
##1
os.rename(self.lorem_moved, self.lorem)
rm_shards(self.lorem_moved, self.config)
silo.remove(self.lorem_moved)
# test file modification
copyfile(self.lorem, self.lorem_ipsum)
assert path.exists(self.lorem_ipsum)
cdm = ComboxDirMonitor(self.config)
cdm.housekeep()
silo = ComboxSilo(self.config)
assert silo.exists(self.lorem_ipsum)
ipsum_content = read_file(self.ipsum)
lorem_ipsum_content = read_file(self.lorem_ipsum)
lorem_ipsum_content = "%s\n%s" % (lorem_ipsum_content, ipsum_content)
write_file(self.lorem_ipsum, lorem_ipsum_content)
cdm.housekeep()
silo = ComboxSilo(self.config)
assert not silo.stale(self.lorem_ipsum)
def test_NDM(self):
"""
Tests the NodeDirMonitor class.
"""
event_handler = NodeDirMonitor(self.config)
observer = Observer()
observer.schedule(event_handler, self.NODE_DIR, recursive=True)
observer.start()
# Test - new file addition, when shard is created in node_dirs
self.TEST_FILE_MUTANT = "%s.mutant" % self.TEST_FILE
fmutant_content = read_file(self.TEST_FILE)
split_and_encrypt(self.TEST_FILE_MUTANT, self.config,
fmutant_content)
## wait for NodeDirMonitor to reconstruct the shards and put
## it in combox directory
time.sleep(1)
assert fmutant_content == read_file(self.TEST_FILE_MUTANT)
## check if the new file's info is in silo
silo = ComboxSilo(self.config)
assert silo.exists(self.TEST_FILE_MUTANT)
# Test - directory creation
self.FOO_DIR = path.join(self.FILES_DIR, 'foo')
mk_nodedir(self.FOO_DIR, self.config)
time.sleep(2)
## check if FOO_DIR is created under the combox directory
assert path.isdir(self.FOO_DIR)
self.BAR_DIR = path.join(self.FOO_DIR, 'bar')
mk_nodedir(self.BAR_DIR, self.config)
time.sleep(2)
## check if BAR_DIR is created under the combox directory.
assert path.isdir(self.BAR_DIR)
self.purge_list.append(self.TEST_FILE_MUTANT)
self.purge_list.append(self.FOO_DIR)
def teardown(self):
"""Cleans up things after each test in this class"""
purge_nodedirs(self.config)
silo_path = path.join(self.config['silo_dir'], 'silo.db')
if path.exists(silo_path):
os.remove(silo_path)
@classmethod
def teardown_class(self):
"""Purge the mess created by this test"""
rm_shards(self.TEST_FILE, self.config)
os.remove(self.lorem_ipsum)
rm_shards(self.lorem_ipsum, self.config)
rm_shards(self.lorem, self.config)
rm_shards(self.ipsum, self.config)
rm_nodedirs(self.config)
rm_configdir()
for f in self.purge_list:
if path.exists(f) and path.isfile(f):
os.remove(f)
elif path.exists(f) and path.isdir(f):
purge_dir(f)
os.rmdir(f)
