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firebird-qa/tests/bugs/core_5579_test.py

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#coding:utf-8
#
# id: bugs.core_5579
# title: request synchronization error in the GBAK utility (restore)
# decription:
# Database for this test was created beforehand on 2.5.7 with intentionally broken not null constraint.
# It was done using direct RDB$ table modification:
# ---
# recreate table test(id int not null,fn int);
# insert into test(id, fn) values(1, null);
# insert into test(id, fn) values(2, null); -- 2nd record must also present!
# commit;
# -- add NOT NULL, direct modify rdb$ tables (it is allowed before 3.0):
# update rdb$relation_fields set rdb$null_flag = 1
# where rdb$field_name = upper('fn') and rdb$relation_name = upper('test');
# commit;
# ---
# We try to restore .fbk which was created from that DB on current FB snapshot and check that restore log
# does NOT contain phrase 'request synchronization' in any line.
#
# Bug was reproduced on 2.5.7.27062, 3.0.3.32746, 4.0.0.684
# All fine on:
# FB25Cs, build 2.5.8.27067: OK, 2.125s.
# FB25SC, build 2.5.8.27067: OK, 1.641s.
# fb30Cs, build 3.0.3.32756: OK, 3.891s.
# fb30SC, build 3.0.3.32756: OK, 2.500s.
# FB30SS, build 3.0.3.32756: OK, 2.422s.
# FB40CS, build 4.0.0.690: OK, 3.891s.
# FB40SC, build 4.0.0.690: OK, 2.750s.
# FB40SS, build 4.0.0.690: OK, 2.828s.
# 13.04.2021. Adapted for run both on Windows and Linux. Checked on:
# Windows: 4.0.0.2416
# Linux: 4.0.0.2416
#
# tracker_id: CORE-5579
# min_versions: ['2.5.8']
# versions: 2.5.8
# qmid: None
import pytest
import re
import zipfile
from pathlib import Path
from firebird.qa import db_factory, python_act, Action, temp_file
from firebird.driver import SrvRestoreFlag
# version: 2.5.8
# resources: None
substitutions_1 = []
init_script_1 = """"""
db_1 = db_factory(sql_dialect=3, init=init_script_1)
# test_script_1
#---
#
# import os
# import time
# import zipfile
# import subprocess
# import re
#
# os.environ["ISC_USER"] = user_name
# os.environ["ISC_PASSWORD"] = user_password
# db_conn.close()
#
# #--------------------------------------------
#
# def flush_and_close( file_handle ):
# # https://docs.python.org/2/library/os.html#os.fsync
# # If you're starting with a Python file object f,
# # first do f.flush(), and
# # then do os.fsync(f.fileno()), to ensure that all internal buffers associated with f are written to disk.
# global os
#
# file_handle.flush()
# if file_handle.mode not in ('r', 'rb') and file_handle.name != os.devnull:
# # otherwise: "OSError: [Errno 9] Bad file descriptor"!
# os.fsync(file_handle.fileno())
# file_handle.close()
#
# #--------------------------------------------
#
# def cleanup( f_names_list ):
# global os
# for i in range(len( f_names_list )):
# if type(f_names_list[i]) == file:
# del_name = f_names_list[i].name
# elif type(f_names_list[i]) == str:
# del_name = f_names_list[i]
# else:
# print('Unrecognized type of element:', f_names_list[i], ' - can not be treated as file.')
# print('type(f_names_list[i])=',type(f_names_list[i]))
# del_name = None
#
# if del_name and os.path.isfile( del_name ):
# os.remove( del_name )
#
# #--------------------------------------------
#
# zf = zipfile.ZipFile( os.path.join(context['files_location'],'core_5579_broken_nn.zip') )
#
# # Name of .fbk inside .zip:
# zipfbk='core_5579_broken_nn.fbk'
#
# zf.extract( zipfbk, context['temp_directory'] )
# zf.close()
#
# tmpfbk=''.join( ( context['temp_directory'], zipfbk ) )
# tmpfdb=''.join( ( context['temp_directory'], 'core_5579_broken_nn.fdb') )
#
# f_restore_log=open( os.path.join(context['temp_directory'],'tmp_restore_5579.log'), 'w')
# f_restore_err=open( os.path.join(context['temp_directory'],'tmp_restore_5579.err'), 'w')
#
# cleanup( (tmpfdb,) )
#
# subprocess.call([ context['fbsvcmgr_path'],
# "localhost:service_mgr",
# "action_restore",
# "bkp_file", tmpfbk,
# "dbname", tmpfdb,
# "res_one_at_a_time"
# ],
# stdout=f_restore_log,
# stderr=f_restore_err
# )
# # before this ticket was fixed restore log did contain following line:
# # gbak: ERROR:request synchronization error
#
# flush_and_close( f_restore_log )
# flush_and_close( f_restore_err )
#
# # Check:
# ########
# # 1. fbsvcmgr itself must finish without errors:
# with open( f_restore_err.name,'r') as f:
# for line in f:
# if line.split():
# print( 'UNEXPECTED STDERR in file '+f_restore_err.name+': '+line.upper() )
#
# # 2. Log of restoring process must NOT contain line with phrase 'request synchronization':
#
# req_sync_pattern=re.compile('[.*]*request\\s+synchronization\\s+error\\.*', re.IGNORECASE)
#
# with open( f_restore_log.name,'r') as f:
# for line in f:
# if req_sync_pattern.search(line):
# print( 'UNEXPECTED STDLOG: '+line.upper() )
#
# #####################################################################
# # Cleanup:
#
# # do NOT remove this pause otherwise some of logs will not be enable for deletion and test will finish with
# # Exception raised while executing Python test script. exception: WindowsError: 32
# time.sleep(1)
# cleanup( (f_restore_log, f_restore_err, tmpfdb, tmpfbk) )
#
#
#---
act_1 = python_act('db_1', substitutions=substitutions_1)
fbk_file_1 = temp_file('core_5579_broken_nn.fbk')
fdb_file_1 = temp_file('core_5579_broken_nn.fdb')
@pytest.mark.version('>=2.5.8')
def test_1(act_1: Action, fdb_file_1: Path, fbk_file_1: Path):
pattern = re.compile('[.*]*request\\s+synchronization\\s+error\\.*', re.IGNORECASE)
zipped_fbk_file = zipfile.Path(act_1.vars['files'] / 'core_5579_broken_nn.zip',
at='core_5579_broken_nn.fbk')
fbk_file_1.write_bytes(zipped_fbk_file.read_bytes())
with act_1.connect_server() as srv:
srv.database.restore(database=fdb_file_1, backup=fbk_file_1,
flags=SrvRestoreFlag.ONE_AT_A_TIME | SrvRestoreFlag.CREATE)
# before this ticket was fixed restore fails with: request synchronization error
for line in srv:
if pattern.search(line):
pytest.fail(f'RESTORE ERROR: {line}')
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