freezer/tests/test_local.py

143 lines
5.5 KiB
Python

import tempfile
import shutil
import pytest
from freezer import local
from freezer import tar
from freezer import utils
import commons
import os
@pytest.mark.incremental
class TestLocalStorage(object):
BACKUP_DIR_PREFIX = "freezer_test_backup_dir"
FILES_DIR_PREFIX = "freezer_test_files_dir"
HELLO = "Hello World!\n"
temp = True
def create_content(self, files_dir, file_name="file_1", text=HELLO):
f = open(files_dir + "/" + file_name, 'w')
f.write(text)
f.close()
def create_dirs(self, tmpdir):
tmpdir = tmpdir.strpath
if self.temp:
backup_dir = tempfile.mkdtemp(
dir=tmpdir, prefix=self.BACKUP_DIR_PREFIX)
files_dir = tempfile.mkdtemp(
dir=tmpdir, prefix=self.FILES_DIR_PREFIX)
else:
backup_dir = tmpdir + self.BACKUP_DIR_PREFIX
files_dir = tmpdir + self.FILES_DIR_PREFIX
utils.create_dir(backup_dir)
utils.create_dir(files_dir)
self.create_content(files_dir)
return backup_dir, files_dir
def remove_dirs(self, work_dir, files_dir, backup_dir):
if self.temp:
shutil.rmtree(work_dir)
shutil.rmtree(files_dir)
shutil.rmtree(backup_dir, ignore_errors=True)
def remove_storage(self, backup_dir):
shutil.rmtree(backup_dir)
def test(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
builder = tar.TarCommandBuilder(commons.tar_path(), ".", "gzip")
storage.backup(files_dir, "file_backup", builder)
storage.get_backups()
def test_is_ready(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
assert storage.is_ready()
def test_prepare(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
assert storage.is_ready()
self.remove_storage(backup_dir)
assert not storage.is_ready()
storage.prepare()
assert storage.is_ready()
def test_get_backups(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
builder = tar.TarCommandBuilder(commons.tar_path(), ".", "gzip")
os.chdir(files_dir)
storage.backup(files_dir, "file_backup", builder)
backups = storage.get_backups()
assert len(backups) == 1
def test_incremental_backup(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
builder = tar.TarCommandBuilder(commons.tar_path(), ".", "gzip")
os.chdir(files_dir)
storage.backup(files_dir, "file_backup", builder)
backups = storage.get_backups()
assert len(backups) == 1
backup = backups[0]
self.create_content(files_dir, "file_2", "foo\n")
storage.backup(files_dir, "file_backup", builder, backup)
def test_incremental_restore(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
builder = tar.TarCommandBuilder(commons.tar_path(), ".", "gzip")
os.chdir(files_dir)
storage.backup(files_dir, "file_backup", builder)
backups = storage.get_backups()
assert len(backups) == 1
backup = backups[0]
self.create_content(files_dir, "file_2", "foo\n")
storage.backup(files_dir, "file_backup", builder, backup)
for path in os.listdir(files_dir):
os.remove(files_dir + "/" + path)
assert not os.listdir(files_dir)
utils.create_dir(files_dir)
backup = storage.get_backups()[0]
builder = tar.TarCommandRestoreBuilder(commons.tar_path(), files_dir,
"gzip")
storage.restore(backup.latest_update, files_dir, builder)
files = os.listdir(files_dir)
assert len(files) == 2
with open(files_dir + "/file_1", "r") as file_1:
assert self.HELLO == file_1.read()
with open(files_dir + "/file_2", "r") as file_2:
assert "foo\n" == file_2.read()
def test_backup_file(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
builder = tar.TarCommandBuilder(commons.tar_path(), "file_1", "gzip")
os.chdir(files_dir)
storage.backup(files_dir + "/file_1", "file_backup", builder)
for path in os.listdir(files_dir):
os.remove(files_dir + "/" + path)
assert not os.listdir(files_dir)
utils.create_dir(files_dir)
backup = storage.get_backups()[0]
builder = tar.TarCommandRestoreBuilder(commons.tar_path(), files_dir,
"gzip")
storage.restore(backup, files_dir, builder)
files = os.listdir(files_dir)
assert len(files) == 1
def test_remove_backup(self, tmpdir):
backup_dir, files_dir = self.create_dirs(tmpdir)
storage = local.LocalStorage(backup_dir)
builder = tar.TarCommandBuilder(commons.tar_path(), ".", "gzip")
os.chdir(files_dir)
storage.backup(files_dir, "file_backup", builder)
backups = storage.get_backups()
assert len(backups) == 1
storage.remove_backup(backups[0])
backups = storage.get_backups()
assert len(backups) == 0