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"""
Tests for dbrestore command.
"""
import unittest
from shutil import copyfileobj
from tempfile import mktemp
from unittest.mock import patch
from django.conf import settings
from django.core.files import File
from django.core.management.base import CommandError
from django.test import TestCase
from dbbackup import utils
from dbbackup.db.base import get_connector
from dbbackup.db.mongodb import MongoDumpConnector
from dbbackup.db.postgresql import PgDumpConnector
from dbbackup.management.commands.dbrestore import Command as DbrestoreCommand
from dbbackup.settings import HOSTNAME
from dbbackup.storage import get_storage
from dbbackup.tests.utils import (
DEV_NULL,
HANDLED_FILES,
TARED_FILE,
TEST_DATABASE,
TEST_MONGODB,
add_private_gpg,
clean_gpg_keys,
get_dump,
get_dump_name,
)
@unittest.skip(reason="Does not work in build chroot")
@patch("dbbackup.management.commands._base.input", return_value="y")
class DbrestoreCommandRestoreBackupTest(TestCase):
def setUp(self):
self.command = DbrestoreCommand()
self.command.stdout = DEV_NULL
self.command.uncompress = False
self.command.decrypt = False
self.command.backup_extension = "bak"
self.command.filename = "foofile"
self.command.database = TEST_DATABASE
self.command.passphrase = None
self.command.interactive = True
self.command.storage = get_storage()
self.command.servername = HOSTNAME
self.command.input_database_name = None
self.command.database_name = "default"
self.command.connector = get_connector("default")
self.command.schemas = []
HANDLED_FILES.clean()
def tearDown(self):
clean_gpg_keys()
def test_no_filename(self, *args):
# Prepare backup
HANDLED_FILES["written_files"].append(
(utils.filename_generate("default"), File(get_dump()))
)
# Check
self.command.path = None
self.command.filename = None
self.command._restore_backup()
def test_no_backup_found(self, *args):
self.command.path = None
self.command.filename = None
with self.assertRaises(CommandError):
self.command._restore_backup()
def test_uncompress(self, *args):
self.command.path = None
compressed_file, self.command.filename = utils.compress_file(
get_dump(), get_dump_name()
)
HANDLED_FILES["written_files"].append(
(self.command.filename, File(compressed_file))
)
self.command.uncompress = True
self.command._restore_backup()
@patch("dbbackup.utils.getpass", return_value=None)
def test_decrypt(self, *args):
self.command.path = None
self.command.decrypt = True
encrypted_file, self.command.filename = utils.encrypt_file(
get_dump(), get_dump_name()
)
HANDLED_FILES["written_files"].append(
(self.command.filename, File(encrypted_file))
)
self.command._restore_backup()
def test_path(self, *args):
temp_dump = get_dump()
dump_path = mktemp()
with open(dump_path, "wb") as dump:
copyfileobj(temp_dump, dump)
self.command.path = dump.name
self.command._restore_backup()
self.command.decrypt = False
self.command.filepath = get_dump_name()
HANDLED_FILES["written_files"].append((self.command.filepath, get_dump()))
self.command._restore_backup()
@patch("dbbackup.management.commands.dbrestore.get_connector")
@patch("dbbackup.db.base.BaseDBConnector.restore_dump")
def test_schema(self, mock_restore_dump, mock_get_connector, *args):
"""Schema is only used for postgresql."""
mock_get_connector.return_value = PgDumpConnector()
mock_restore_dump.return_value = True
mock_file = File(get_dump())
HANDLED_FILES["written_files"].append((self.command.filename, mock_file))
with self.assertLogs("dbbackup.command", "INFO") as cm:
# Without
self.command.path = None
self.command._restore_backup()
self.assertEqual(self.command.connector.schemas, [])
# With
self.command.path = None
self.command.schemas = ["public"]
self.command._restore_backup()
self.assertEqual(self.command.connector.schemas, ["public"])
self.assertIn(
"INFO:dbbackup.command:Restoring schemas: ['public']",
cm.output,
)
# With multiple
self.command.path = None
self.command.schemas = ["public", "other"]
self.command._restore_backup()
self.assertEqual(self.command.connector.schemas, ["public", "other"])
self.assertIn(
"INFO:dbbackup.command:Restoring schemas: ['public', 'other']",
cm.output,
)
mock_get_connector.assert_called_with("default")
mock_restore_dump.assert_called_with(mock_file)
class DbrestoreCommandGetDatabaseTest(TestCase):
def setUp(self):
self.command = DbrestoreCommand()
def test_give_db_name(self):
name, db = self.command._get_database("default")
self.assertEqual(name, "default")
self.assertEqual(db, settings.DATABASES["default"])
def test_no_given_db(self):
name, db = self.command._get_database(None)
self.assertEqual(name, "default")
self.assertEqual(db, settings.DATABASES["default"])
@patch("django.conf.settings.DATABASES", {"db1": {}, "db2": {}})
def test_no_given_db_multidb(self):
with self.assertRaises(CommandError):
self.command._get_database({})
@patch("dbbackup.management.commands._base.input", return_value="y")
@patch(
"dbbackup.management.commands.dbrestore.get_connector",
return_value=MongoDumpConnector(),
)
@patch("dbbackup.db.mongodb.MongoDumpConnector.restore_dump")
class DbMongoRestoreCommandRestoreBackupTest(TestCase):
def setUp(self):
self.command = DbrestoreCommand()
self.command.stdout = DEV_NULL
self.command.uncompress = False
self.command.decrypt = False
self.command.backup_extension = "bak"
self.command.path = None
self.command.filename = "foofile"
self.command.database = TEST_MONGODB
self.command.passphrase = None
self.command.interactive = True
self.command.storage = get_storage()
self.command.connector = MongoDumpConnector()
self.command.database_name = "mongo"
self.command.input_database_name = None
self.command.servername = HOSTNAME
self.command.schemas = []
HANDLED_FILES.clean()
add_private_gpg()
def test_mongo_settings_backup_command(self, mock_runcommands, *args):
self.command.storage.file_read = TARED_FILE
self.command.filename = TARED_FILE
HANDLED_FILES["written_files"].append((TARED_FILE, open(TARED_FILE, "rb")))
self.command._restore_backup()
self.assertTrue(mock_runcommands.called)
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