mirror of
https://github.com/FirebirdSQL/firebird-qa.git
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92 lines
4.0 KiB
Python
92 lines
4.0 KiB
Python
#coding:utf-8
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#coding:utf-8
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"""
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ID: issue-8194
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ISSUE: https://github.com/FirebirdSQL/firebird/issues/8194
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TITLE: Internal consistency check (page in use during flush) with small number of DefaultDbCachePages
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DESCRIPTION:
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Test uses pre-created databases.conf which has alias (see variable REQUIRED_ALIAS) with DefaultDbCachePages = 128.
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Database file for that alias must NOT exist in the QA_root/files/qa/ subdirectory: it will be created here.
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NOTES:
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[02.08.2024] pzotov
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1. One need to be sure that firebird.conf does NOT contain DatabaseAccess = None.
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2. Value of REQUIRED_ALIAS must be EXACTLY the same as alias specified in the pre-created databases.conf
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(for LINUX this equality is case-sensitive, even when aliases are compared!)
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3. Content of databases.conf must be taken from $QA_ROOT/files/qa-databases.conf (one need to replace it before every test session).
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Discussed with pcisar, letters since 30-may-2022 13:48, subject:
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"new qa, core_4964_test.py: strange outcome when use... shutil.copy() // comparing to shutil.copy2()"
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4. Custom driver config object ('db_cfg_object') is used: we have to use DB with predefined alias instead of temporary one.
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5. It is enough to set number of iterations to small number about 10...20 (see 'LOOP_LIMIT'): bugcheck raised after first 2...3 iter.
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Confirmed bug on 6.0.0.403, got in firebird.log:
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internal Firebird consistency check (page in use during flush (210), file: cch.cpp line: 2827)
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Checked on 6.0.0.406 - all fine.
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"""
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import re
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from pathlib import Path
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import pytest
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from firebird.qa import *
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from firebird.driver import driver_config, create_database, NetProtocol
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substitutions = [('[ \t]+', ' '), ]
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REQUIRED_ALIAS = 'tmp_gh_8194_alias'
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LOOP_LIMIT = 20
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SUCCESS_MSG = 'OK.'
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db = db_factory()
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act = python_act('db')
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@pytest.mark.version('>=6.0')
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def test_1(act: Action, capsys):
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if act.get_server_architecture() != 'SuperServer':
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pytest.skip('Applies only to SuperServer')
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# Scan line-by-line through databases.conf, find line starting with REQUIRED_ALIAS and extract name of file that
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# must be created in the $(dir_sampleDb)/qa/ folder. This name will be used further as target database (tmp_fdb).
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# NOTE: we have to SKIP lines which are commented out, i.e. if they starts with '#':
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p_required_alias_ptn = re.compile( '^(?!#)((^|\\s+)' + REQUIRED_ALIAS + ')\\s*=\\s*\\$\\(dir_sampleDb\\)/qa/', re.IGNORECASE )
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fname_in_dbconf = None
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with open(act.home_dir/'databases.conf', 'r') as f:
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for line in f:
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if p_required_alias_ptn.search(line):
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# If databases.conf contains line like this:
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# tmp_8194_alias = $(dir_sampleDb)/qa/tmp_qa_8194.fdb
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# - then we extract filename: 'tmp_qa_8194.fdb' (see below):
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fname_in_dbconf = Path(line.split('=')[1].strip()).name
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break
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# if 'fname_in_dbconf' remains undefined here then propably REQUIRED_ALIAS not equals to specified in the databases.conf!
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#
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assert fname_in_dbconf
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srv_cfg = """
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[local]
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host = localhost
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user = SYSDBA
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password = masterkey
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"""
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srv_cfg = driver_config.register_server(name = 'test_srv_gh_8194', config = '')
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db_cfg_name = 'tmp_8194'
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db_cfg_object = driver_config.register_database(name = db_cfg_name)
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db_cfg_object.server.value = srv_cfg.name
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db_cfg_object.protocol.value = NetProtocol.INET
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db_cfg_object.database.value = REQUIRED_ALIAS
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for i in range(LOOP_LIMIT):
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# ::: NB :::
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# charset must be 'utf8' otherwise problem can not be reproduced!
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# (see also note by the author of ticket in his starting message)
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with create_database(db_cfg_name, user = act.db.user, password = act.db.password, charset = 'utf8') as con:
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con.drop_database()
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print(SUCCESS_MSG)
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act.expected_stdout = SUCCESS_MSG
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act.stdout = capsys.readouterr().out
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assert act.clean_stdout == act.clean_expected_stdout
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