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171 lines
7.0 KiB
Python
171 lines
7.0 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_4880
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# title: Increase speed of creating package when number of its functions more than several hundreds
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# decription:
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# This test uses TWO auto-generated scripts, both of them have been packed due to their size in files/core_4880.zip
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# and are unpacked at runtime here.
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# First script, 'core_4880_fnc.tmp', creates 5'000 STANDALONE functions and adds into log timestamps of start and finish.
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# Second script, 'core_4880_pkg.tmp', creates PACKAGE with head and body also of 5'000 functions and also adds into log
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# timestamps for start of 'create package' and finish of 'create package BODY' statements.
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# Both scripts use simplest body of functions.
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#
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# After both scripts will be finishec, number of seconds is compared for creation:
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# 1) standalone functions and 2) package header and body with the same number of functions.
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# Then, we evaluate maxValue and minValue in this pair and result of division: maxValue / minValue, casted to num(12,2).
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#
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# Numerous runs showed that this ratio (N) is about 1.2 ... 1.5, and it never was more than 1.8.
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# It was decided to use N = 2 as max acceptable ratio between time for creation of package and for standalone funcions.
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# If any kind of objects (package or s/alone funcs) will be created more than N times than another, expected_stdout
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# will contain phrase about regression.
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#
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# Checked on WI-V3.0.0.32008, machine: P-IV 3.0 Ghz RAM 2Gb, OS = Win XP.
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# Duration of test on that machine is about 45-55 seconds.
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#
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# 13.04.2021. Adapted for run both on Windows and Linux. Checked on:
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# Windows: 3.0.8.33445, 4.0.0.2416
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# Linux: 3.0.8.33426, 4.0.0.2416
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#
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# tracker_id: CORE-4880
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# min_versions: ['3.0']
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# versions: 3.0
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# qmid:
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import pytest
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from zipfile import Path
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from firebird.qa import db_factory, python_act, Action
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# version: 3.0
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# resources: None
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substitutions_1 = []
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init_script_1 = """
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recreate table log(
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standalone_func_beg timestamp default null,
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standalone_func_end timestamp default null,
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pkg_head_n_body_beg timestamp default null,
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pkg_head_n_body_end timestamp default null
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);
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commit;
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insert into log default values;
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commit;
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"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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# test_script_1
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#---
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# import os
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# import zipfile
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#
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# os.environ["ISC_USER"] = user_name
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# os.environ["ISC_PASSWORD"] = user_password
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#
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# db_conn.close()
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# runProgram('gfix',['-w','async',dsn])
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#
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# zf = zipfile.ZipFile( os.path.join(context['files_location'],'core_4880.zip') )
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# zf.extractall( context['temp_directory'] )
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# zf.close()
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# runProgram('isql',[dsn,'-q','-i', os.path.join(context['temp_directory'],'core_4880_fnc.tmp') ])
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# runProgram('isql',[dsn,'-q','-i', os.path.join(context['temp_directory'],'core_4880_pkg.tmp') ])
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#
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# os.remove( os.path.join(context['temp_directory'],'core_4880_fnc.tmp') )
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# os.remove( os.path.join(context['temp_directory'],'core_4880_pkg.tmp') )
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#
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# script="""set list on;
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# set term ^;
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# execute block as
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# begin
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# rdb$set_context('USER_SESSION', 'MAX_ACCEPTABLE_RATIO', '2');
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# -- ^
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# -- #################
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# -- T H R E S H O L D
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# -- #################
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# end
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# ^
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# set term ;^
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#
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# select iif( x.ratio < cast( rdb$get_context('USER_SESSION', 'MAX_ACCEPTABLE_RATIO') as int ),
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# 'Ratio is acceptable',
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# 'Regression, ratio >= ' || rdb$get_context('USER_SESSION', 'MAX_ACCEPTABLE_RATIO') || 'x'
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# ) as result_msg
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# --, x.*
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# from (
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# select
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# standalone_func_sec
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# ,pkg_head_n_body_sec
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# ,cast( iif( pkg_head_n_body_sec > standalone_func_sec, 1.00 * pkg_head_n_body_sec / standalone_func_sec, 1.00 * standalone_func_sec / pkg_head_n_body_sec ) as numeric(12,2) ) as ratio
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# ,cast( 1.00 * pkg_head_n_body_sec / standalone_func_sec as numeric(12,2) ) package_vs_standalone
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# ,cast( 1.00 * standalone_func_sec / pkg_head_n_body_sec as numeric(12,2) ) standalone_vs_package
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# from (
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# select
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# nullif( datediff(second from standalone_func_beg to standalone_func_end), 0) standalone_func_sec
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# ,nullif( datediff(second from pkg_head_n_body_beg to pkg_head_n_body_end), 0) pkg_head_n_body_sec
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# from log
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# )
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# ) x;
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# """
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# runProgram('isql',[dsn,'-q'],script)
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#---
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act_1 = python_act('db_1', substitutions=substitutions_1)
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expected_stdout_1 = """
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RESULT_MSG Ratio is acceptable
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"""
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@pytest.mark.version('>=3.0')
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def test_1(act_1: Action):
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act_1.db.set_async_write()
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# Read FNC scripts from zip file and execute it
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script_file = Path(act_1.vars['files'] / 'core_4880.zip',
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at='core_4880_fnc.tmp')
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act_1.script = script_file.read_text()
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act_1.execute()
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# Read PKG scripts from zip file and execute it
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script_file = Path(act_1.vars['files'] / 'core_4880.zip',
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at='core_4880_pkg.tmp')
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act_1.script = script_file.read_text()
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act_1.execute()
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# Check
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test_script = """
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set list on;
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set term ^;
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execute block as
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begin
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rdb$set_context('USER_SESSION', 'MAX_ACCEPTABLE_RATIO', '2');
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-- ^
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-- #################
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-- T H R E S H O L D
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-- #################
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end
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^
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set term ;^
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select iif(x.ratio < cast( rdb$get_context('USER_SESSION', 'MAX_ACCEPTABLE_RATIO') as int ),
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'Ratio is acceptable',
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'Regression, ratio >= ' || rdb$get_context('USER_SESSION', 'MAX_ACCEPTABLE_RATIO') || 'x'
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) as result_msg
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--, x.*
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from (
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select
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standalone_func_sec,
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pkg_head_n_body_sec,
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cast(iif( pkg_head_n_body_sec > standalone_func_sec, 1.00 * pkg_head_n_body_sec / standalone_func_sec, 1.00 * standalone_func_sec / pkg_head_n_body_sec ) as numeric(12,2) ) as ratio,
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cast(1.00 * pkg_head_n_body_sec / standalone_func_sec as numeric(12,2)) package_vs_standalone,
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cast(1.00 * standalone_func_sec / pkg_head_n_body_sec as numeric(12,2)) standalone_vs_package
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from (
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select
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nullif(datediff(second from standalone_func_beg to standalone_func_end), 0) standalone_func_sec,
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nullif(datediff(second from pkg_head_n_body_beg to pkg_head_n_body_end), 0) pkg_head_n_body_sec
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from log
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)
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) x;
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"""
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act_1.reset()
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act_1.expected_stdout = expected_stdout_1
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act_1.isql(switches=['-q'], input=test_script)
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assert act_1.clean_stdout == act_1.clean_expected_stdout
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