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# Copyright (C) 2014 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 yaml
from filecmp import cmp
from glob import glob
import time
from nose.tools import *
from os import path, remove
from shutil import copyfile
from watchdog.observers import Observer
from combox.events import ComboxEventHandler
from combox.config import get_nodedirs
from combox.file import relative_path, purge_dir
CONFIG_DIR = path.join('tests', 'test-config')
config_file = path.join(CONFIG_DIR, 'config.yaml')
try:
config = yaml.load(file(config_file, 'r'))
except yaml.YAMLError, exc:
raise AssertionError("Error in configuration file:", exc)
FILES_DIR = path.abspath(config['combox_dir'])
TEST_FILE = path.join(FILES_DIR,'thgttg-21st.png')
def shardedp(f):
"""Checks if file's shards exists in the node directories"""
nodes = get_nodedirs(config)
i = 0
for node in nodes:
rel_path = relative_path(f, config)
shard = "%s.shard%s" % (path.join(node, rel_path), i)
i += 1
assert path.isfile(shard)
def dirp(d):
"""
Checks if the directory was created under node directories
"""
nodes = get_nodedirs(config)
for node in nodes:
rel_path = relative_path(d, config)
directory = path.join(node, rel_path)
assert path.isdir(directory)
def renamedp(old_p, new_p):
"""
Checks if the file shards or directory were/was renamed in the under the node directories.
old_p: old path to directory or file under combox directory.
new_p: new (present) path to the directory or file under combox directory.
"""
nodes = get_nodedirs(config)
is_dir = True if path.isdir(new_p) else False
i = 0
for node in nodes:
old_rel_path = relative_path(old_p, config)
new_rel_path = relative_path(new_p, config)
if is_dir:
old_path = path.join(node, old_rel_path)
new_path = path.join(node, new_rel_path)
else:
old_path = "%s.shard%s" % (path.join(node, old_rel_path), i)
new_path = "%s.shard%s" % (path.join(node, new_rel_path), i)
i += 1
assert not path.exists(old_path)
assert path.exists(new_path)
def path_deletedp(p):
"""
Checks if the directory or respective file shards is deleted under node directories.
p: path to the directory or file, under the combox directory, that was deleted.
"""
nodes = get_nodedirs(config)
is_dir = True if path.isdir(p) else False
i = 0
for node in nodes:
rel_path = relative_path(p, config)
if is_dir:
path_ = path.join(node, rel_path)
else:
path_ = "%s.shard%s" % (path.join(node, rel_path), i)
i += 1
assert not path.exists(path_)
def test_CEH():
"""
Tests the ComboxEventHandler class.
"""
event_handler = ComboxEventHandler(config)
observer = Observer()
observer.schedule(event_handler, FILES_DIR, recursive=True)
observer.start()
# Test - new file addition
TEST_FILE_COPY_0 = "%s.mutant" % TEST_FILE
copyfile(TEST_FILE, TEST_FILE_COPY_0)
## wait for ComboxEventHandler to split and scatter the file in the
## node directories.
time.sleep(1)
## check if the shards were created.
shardedp(TEST_FILE_COPY_0)
# Test - File deletion.
remove(TEST_FILE_COPY_0)
time.sleep(1)
path_deletedp(TEST_FILE_COPY_0)
# Test - directory creation
TEST_DIR_0 = path.join(FILES_DIR, 'foo')
os.mkdir(TEST_DIR_0)
time.sleep(2)
## check if TEST_DIR_0 is created under node directories.
dirp(TEST_DIR_0)
TEST_DIR_1 = path.join(TEST_DIR_0, 'bar')
os.mkdir(TEST_DIR_1)
time.sleep(2)
## check if TEST_DIR_1 is created under node directories.
dirp(TEST_DIR_1)
# Test - new file in a nested directory
TEST_FILE_COPY_1 = path.join(TEST_DIR_1, path.basename(TEST_FILE))
copyfile(TEST_FILE, TEST_FILE_COPY_1)
time.sleep(1)
shardedp(TEST_FILE_COPY_1)
# Test - dir rename
TEST_DIR_1_NEW = path.join(path.dirname(TEST_DIR_1),
'snafu')
TEST_FILE_COPY_1_NEW = path.join(TEST_DIR_1_NEW, path.basename(TEST_FILE))
os.rename(TEST_DIR_1, TEST_DIR_1_NEW)
time.sleep(1)
renamedp(TEST_DIR_1, TEST_DIR_1_NEW)
renamedp(TEST_FILE_COPY_1, TEST_FILE_COPY_1_NEW)
# Test directory & file deletion
purge_dir(TEST_DIR_0)
# remove the directory itself.
os.rmdir(TEST_DIR_0)
time.sleep(2)
path_deletedp(TEST_FILE_COPY_1)
path_deletedp(TEST_DIR_1)
path_deletedp(TEST_DIR_0)
observer.stop()
observer.join()
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