infi.clickhouse_orm/tests/test_system_models.py

70 lines
2.3 KiB
Python
Raw Normal View History

import unittest
from datetime import date
import os
import shutil
from infi.clickhouse_orm.database import Database
from infi.clickhouse_orm.engines import *
from infi.clickhouse_orm.fields import *
from infi.clickhouse_orm.models import Model
from infi.clickhouse_orm.system_models import SystemPart
class SystemPartTest(unittest.TestCase):
BACKUP_DIR = '/opt/clickhouse/shadow/'
def setUp(self):
self.database = Database('test-db')
self.database.create_table(TestTable)
self.database.insert([TestTable(date_field=date.today())])
def tearDown(self):
self.database.drop_database()
def _get_backups_count(self):
_, dirnames, _ = next(os.walk(self.BACKUP_DIR))
return len(dirnames)
def test_get_all(self):
parts = SystemPart.all(self.database)
self.assertEqual(len(list(parts)), 1)
def test_get_active(self):
parts = list(SystemPart.get_active(self.database))
self.assertEqual(len(parts), 1)
parts[0].detach(self.database)
self.assertEqual(len(list(SystemPart.get_active(self.database))), 0)
def test_attach_detach(self):
parts = list(SystemPart.get_active(self.database))
self.assertEqual(len(parts), 1)
parts[0].detach(self.database)
self.assertEqual(len(list(SystemPart.get_active(self.database))), 0)
parts[0].attach(self.database)
self.assertEqual(len(list(SystemPart.get_active(self.database))), 1)
def test_drop(self):
parts = list(SystemPart.get_active(self.database))
parts[0].drop(self.database)
self.assertEqual(len(list(SystemPart.get_active(self.database))), 0)
def test_freeze(self):
parts = list(SystemPart.all(self.database))
# There can be other backups in the folder
backups_count = self._get_backups_count()
parts[0].freeze(self.database)
backup_number = self._get_backups_count()
self.assertEqual(backup_number, backups_count + 1)
# Clean created backup
shutil.rmtree(self.BACKUP_DIR + '{0}'.format(backup_number))
def test_fetch(self):
# TODO Not tested, as I have no replication set
pass
class TestTable(Model):
date_field = DateField()
engine = MergeTree('date_field', ('date_field',))