infi.clickhouse_orm/tests/test_readonly.py
2020-03-16 10:41:03 +02:00

78 lines
3.1 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from infi.clickhouse_orm.database import DatabaseException, ServerError
from .base_test_with_data import *
class ReadonlyTestCase(TestCaseWithData):
def _test_readonly_db(self, username):
self._insert_and_check(self._sample_data(), len(data))
orig_database = self.database
try:
self.database = Database(orig_database.db_name, username=username, readonly=True)
with self.assertRaises(ServerError) as cm:
self._insert_and_check(self._sample_data(), len(data))
self._check_db_readonly_err(cm.exception)
self.assertEqual(self.database.count(Person), 100)
list(self.database.select('SELECT * from $table', Person))
with self.assertRaises(ServerError) as cm:
self.database.drop_table(Person)
self._check_db_readonly_err(cm.exception, drop_table=True)
with self.assertRaises(ServerError) as cm:
self.database.drop_database()
self._check_db_readonly_err(cm.exception, drop_table=True)
except ServerError as e:
if e.code == 192 and e.message.startswith('Unknown user'): # ClickHouse version < 20.3
raise unittest.SkipTest('Database user "%s" is not defined' % username)
elif e.code == 516 and e.message.startswith('readonly: Authentication failed'): # ClickHouse version >= 20.3
raise unittest.SkipTest('Database user "%s" is not defined' % username)
else:
raise
finally:
self.database = orig_database
def _check_db_readonly_err(self, exc, drop_table=None):
self.assertEqual(exc.code, 164)
print(exc.message)
if self.database.server_version >= (20, 3):
self.assertTrue('Cannot execute query in readonly mode' in exc.message)
elif drop_table:
self.assertTrue(exc.message.startswith('Cannot drop table in readonly mode'))
else:
self.assertTrue(exc.message.startswith('Cannot insert into table in readonly mode'))
def test_readonly_db_with_default_user(self):
self._test_readonly_db('default')
def test_readonly_db_with_readonly_user(self):
self._test_readonly_db('readonly')
def test_insert_readonly(self):
m = ReadOnlyModel(name='readonly')
self.database.create_table(ReadOnlyModel)
with self.assertRaises(DatabaseException):
self.database.insert([m])
def test_create_readonly_table(self):
self.database.create_table(ReadOnlyModel)
def test_drop_readonly_table(self):
self.database.drop_table(ReadOnlyModel)
def test_nonexisting_readonly_database(self):
with self.assertRaises(DatabaseException) as cm:
db = Database('dummy', readonly=True)
self.assertEqual(str(cm.exception), 'Database does not exist, and cannot be created under readonly connection')
class ReadOnlyModel(Model):
_readonly = True
name = StringField()
date = DateField()
engine = MergeTree('date', ('name',))