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firebird-qa/tests/bugs/core_5949_test.py
2021-12-10 19:50:31 +01:00

96 lines
2.7 KiB
Python

#coding:utf-8
#
# id: bugs.core_5949
# title: Bugcheck could happen when read-only database with non-zero linger is set to read-write mode
# decription:
# Confirmed bug on 3.0.4.33053, got message in firebird.log:
# ===
# Database: ...\\FPT-REPO\\TMP\\BUGS.CORE_5949.FDB
# internal Firebird consistency check (next transaction older than oldest active transaction (266), file: cch.cpp line: 4830)
# ===
# Checked on 3.0.5.33084, 4.0.0.1249, 4.0.0.1340 -- works fine.
#
# tracker_id: CORE-5949
# min_versions: ['3.0.5']
# versions: 3.0.5
# qmid: None
import pytest
from firebird.qa import db_factory, python_act, Action
from firebird.driver import DbAccessMode
# version: 3.0.5
# resources: None
substitutions_1 = []
init_script_1 = """"""
db_1 = db_factory(sql_dialect=3, init=init_script_1)
# test_script_1
#---
#
# import os
# import fdb
# from fdb import services as fbsvc
#
# os.environ["ISC_USER"] = user_name
# os.environ["ISC_PASSWORD"] = user_password
# DB_NAME = '$(DATABASE_LOCATION)' + 'bugs.core_5949.fdb'
#
# def change_db_access_mode( a_host, a_db_name, a_required_access ):
# global fbsvc
# svc=fbsvc.connect( host = a_host )
# svc.set_access_mode( a_db_name, a_required_access) # services.ACCESS_READ_WRITE or services.ACCESS_READ_ONLY
# svc.close()
# return None
# #------------------------------------
#
# db_conn.execute_immediate('alter database set linger to 60')
# db_conn.commit()
# db_conn.close()
#
# #------------------------------------
#
# change_db_access_mode( 'localhost', DB_NAME, fbsvc.ACCESS_READ_ONLY )
#
# con=fdb.connect(dsn = dsn)
# cur=con.cursor()
# cur.execute('select r.rdb$linger, d.mon$read_only from rdb$database r cross join mon$database d')
# for r in cur:
# print(r[0],r[1])
# con.commit()
# con.close()
#
# #------------------------------------
# change_db_access_mode( 'localhost', DB_NAME, fbsvc.ACCESS_READ_WRITE )
#
# print('COMPLETED.')
#
#
#---
act_1 = python_act('db_1', substitutions=substitutions_1)
expected_stdout_1 = """
60 1
COMPLETED.
"""
@pytest.mark.version('>=3.0.5')
def test_1(act_1: Action):
with act_1.db.connect() as con:
con.execute_immediate('alter database set linger to 60')
con.commit()
#
with act_1.connect_server() as srv:
srv.database.set_access_mode(database=act_1.db.db_path, mode=DbAccessMode.READ_ONLY)
# Test
with act_1.db.connect() as con:
c = con.cursor()
c.execute('select r.rdb$linger, d.mon$read_only from rdb$database r cross join mon$database d')
result = c.fetchone()
con.commit()
assert result == (60, 1)