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Added/Updated functional\transactions\test_read_consist_sttm_restart_on_update_03.py. Checked on 4.0.1.2692, 5.0.0.591
This commit is contained in:
zotov
parent
22f97fae37
commit
08d4fc61e5
@ -121,15 +121,25 @@ DESCRIPTION:
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Checked on 4.0.0.2195
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26.09.2020: added for-loop in order to check different target objects: TABLE ('test') and VIEW ('v_test'), see 'checked_mode'.
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FBTEST: functional.transactions.read_consist_sttm_restart_on_update_03
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NOTES:
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[29.07.2022] pzotov
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Checked on 4.0.1.2692, 5.0.0.591
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"""
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import subprocess
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import pytest
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from firebird.qa import *
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from pathlib import Path
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import time
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db = db_factory()
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act = python_act('db', substitutions=[('=', ''), ('[ \t]+', ' ')])
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fn_worker_sql = temp_file('tmp_worker.sql')
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fn_worker_log = temp_file('tmp_worker.log')
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fn_worker_err = temp_file('tmp_worker.err')
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expected_stdout = """
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checked_mode: table, STDLOG: Records affected: 10
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@ -196,232 +206,160 @@ expected_stdout = """
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checked_mode: view, STDLOG: Records affected: 11
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"""
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@pytest.mark.skip('FIXME: Not IMPLEMENTED')
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@pytest.mark.version('>=4.0')
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def test_1(act: Action):
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pytest.fail("Not IMPLEMENTED")
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def test_1(act: Action, fn_worker_sql: Path, fn_worker_log: Path, fn_worker_err: Path, capsys):
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sql_init = (act.files_dir / 'read-consist-sttm-restart-DDL.sql').read_text()
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# Original python code for this test:
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# -----------------------------------
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#
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# import os
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# import sys
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# import subprocess
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# from subprocess import Popen
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# from fdb import services
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# import time
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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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#
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# #--------------------------------------------
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#
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# def flush_and_close( file_handle ):
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# # https://docs.python.org/2/library/os.html#os.fsync
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# # If you're starting with a Python file object f,
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# # first do f.flush(), and
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# # then do os.fsync(f.fileno()), to ensure that all internal buffers associated with f are written to disk.
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# global os
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#
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# file_handle.flush()
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# if file_handle.mode not in ('r', 'rb') and file_handle.name != os.devnull:
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# # otherwise: "OSError: [Errno 9] Bad file descriptor"!
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# os.fsync(file_handle.fileno())
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# file_handle.close()
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#
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# #--------------------------------------------
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#
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# def cleanup( f_names_list ):
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# global os
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# for f in f_names_list:
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# if type(f) == file:
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# del_name = f.name
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# elif type(f) == str:
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# del_name = f
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# else:
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# print('Unrecognized type of element:', f, ' - can not be treated as file.')
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# del_name = None
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#
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# if del_name and os.path.isfile( del_name ):
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# os.remove( del_name )
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#
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# #--------------------------------------------
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#
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# sql_init_ddl = os.path.join(context['files_location'],'read-consist-sttm-restart-DDL.sql')
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#
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# for checked_mode in('table', 'view'):
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#
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# target_obj = 'test' if checked_mode == 'table' else 'v_test'
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#
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# f_init_log=open( os.path.join(context['temp_directory'],'read-consist-sttm-restart-DDL.log'), 'w')
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# f_init_err=open( ''.join( ( os.path.splitext(f_init_log.name)[0], '.err') ), 'w')
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#
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# subprocess.call( [context['isql_path'], dsn, '-q', '-i', sql_init_ddl], stdout=f_init_log, stderr=f_init_err )
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# flush_and_close(f_init_log)
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# flush_and_close(f_init_err)
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#
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# # add rows with ID = 1, 2:
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# sql_addi='''
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# set term ^;
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# execute block as
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# begin
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# rdb$set_context('USER_SESSION', 'WHO', 'INIT_DATA');
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# end
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# ^
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# set term ;^
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# insert into %(target_obj)s(id, x) select row_number()over(),row_number()over() from rdb$types rows 2;
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# commit;
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# ''' % locals()
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# runProgram('isql', [ dsn, '-q' ], sql_addi)
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#
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# con_lock_1 = fdb.connect( dsn = dsn )
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# con_lock_2 = fdb.connect( dsn = dsn )
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# con_lock_1.execute_immediate( "execute block as begin rdb$set_context('USER_SESSION', 'WHO', 'LOCKER #1'); end" )
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# con_lock_2.execute_immediate( "execute block as begin rdb$set_context('USER_SESSION', 'WHO', 'LOCKER #2'); end" )
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#
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#
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# #########################
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# ### L O C K E R - 1 ###
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# #########################
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#
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# con_lock_1.execute_immediate( 'update %(target_obj)s set id=id where id = 2' % locals() )
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#
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# sql_text='''
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# connect '%(dsn)s';
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# set list on;
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# set autoddl off;
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# set term ^;
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# execute block returns (whoami varchar(30)) as
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# begin
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# whoami = 'WORKER'; -- , ATT#' || current_connection;
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# rdb$set_context('USER_SESSION','WHO', whoami);
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# -- suspend;
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# end
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# ^
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# set term ;^
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# commit;
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# --set echo on;
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# SET KEEP_TRAN_PARAMS ON;
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# set transaction read committed read consistency;
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# --select current_connection, current_transaction from rdb$database;
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# set list off;
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# set wng off;
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# --set plan on;
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# set count on;
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#
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# update %(target_obj)s set id = -id order by id; -- THIS MUST BE LOCKED
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#
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# -- check results:
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# -- ###############
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#
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# select id from %(target_obj)s order by id; -- this will produce output only after all lockers do their commit/rollback
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#
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# select v.old_id, v.op, v.snap_no_rank from v_worker_log v where v.op = 'upd';
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#
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# set width who 10;
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# -- DO NOT check this! Values can differ here from one run to another!
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# -- select id, trn, who, old_id, new_id, op, rec_vers, global_cn, snap_no from tlog_done order by id;
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#
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# rollback;
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#
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# ''' % dict(globals(), **locals())
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#
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# f_worker_sql=open( os.path.join(context['temp_directory'],'tmp_sttm_restart_on_update_03.sql'), 'w')
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# f_worker_sql.write(sql_text)
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# flush_and_close(f_worker_sql)
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#
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#
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# f_worker_log=open( ''.join( ( os.path.splitext(f_worker_sql.name)[0], '.log') ), 'w')
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# f_worker_err=open( ''.join( ( os.path.splitext(f_worker_log.name)[0], '.err') ), 'w')
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#
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# ############################################################################
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# ### L A U N C H W O R K E R U S I N G I S Q L, A S Y N C. ###
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# ############################################################################
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#
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# p_worker = Popen( [ context['isql_path'], '-pag', '999999', '-q', '-i', f_worker_sql.name ],stdout=f_worker_log, stderr=f_worker_err)
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# time.sleep(1)
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#
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# #########################
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# ### L O C K E R - 2 ###
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# #########################
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# con_lock_2.execute_immediate( 'insert into %(target_obj)s(id) values(110)' % locals() )
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# con_lock_2.execute_immediate( 'insert into %(target_obj)s(id) values(-11)' % locals() )
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# con_lock_2.commit()
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# con_lock_2.execute_immediate( 'update %(target_obj)s set id=id where id = 110' % locals() )
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# con_lock_2.execute_immediate( 'update %(target_obj)s set id=id where id = -11' % locals() )
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#
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# #########################
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# ### L O C K E R - 1 ###
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# #########################
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# con_lock_1.commit()
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# con_lock_1.execute_immediate( 'insert into %(target_obj)s(id) values(120)' % locals() )
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# con_lock_1.execute_immediate( 'insert into %(target_obj)s(id) values(-12)' % locals() )
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# con_lock_1.commit()
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# con_lock_1.execute_immediate( 'update %(target_obj)s set id=id where id = 120' % locals() )
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# con_lock_1.execute_immediate( 'update %(target_obj)s set id=id where id = -12' % locals() )
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#
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#
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# #########################
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# ### L O C K E R - 2 ###
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# #########################
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# con_lock_2.commit()
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# con_lock_2.execute_immediate( 'insert into %(target_obj)s(id) values(130)' % locals() )
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# con_lock_2.execute_immediate( 'insert into %(target_obj)s(id) values(-13)' % locals() )
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# con_lock_2.commit()
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# con_lock_2.execute_immediate( 'update %(target_obj)s set id=id where id = 130' % locals() )
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# con_lock_2.execute_immediate( 'update %(target_obj)s set id=id where id = -13' % locals() )
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#
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# #########################
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# ### L O C K E R - 1 ###
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# #########################
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# con_lock_1.commit()
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# con_lock_1.execute_immediate( 'insert into %(target_obj)s(id) values(140)' % locals() )
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# con_lock_1.execute_immediate( 'insert into %(target_obj)s(id) values(-14)' % locals() )
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# con_lock_1.commit()
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# con_lock_1.execute_immediate( 'update %(target_obj)s set id=id where id = 140' % locals() )
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# con_lock_1.execute_immediate( 'update %(target_obj)s set id=id where id = -14' % locals() )
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#
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# #########################
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# ### L O C K E R - 2 ###
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# #########################
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# con_lock_1.commit()
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#
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# #########################
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# ### L O C K E R - 1 ###
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# #########################
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# con_lock_2.commit() # WORKER will complete his job after this
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#
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#
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# # Here we wait for ISQL complete its mission:
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# p_worker.wait()
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#
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# flush_and_close(f_worker_log)
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# flush_and_close(f_worker_err)
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#
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# # Close lockers:
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# ################
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# for c in (con_lock_1, con_lock_2):
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# c.close()
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#
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# # CHECK RESULTS
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# ###############
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# with open(f_worker_log.name,'r') as f:
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# for line in f:
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# if line.strip():
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# print('checked_mode: %(checked_mode)s, STDLOG: %(line)s' % locals())
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#
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# for f in (f_init_err, f_worker_err):
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# with open(f.name,'r') as g:
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# for line in g:
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# if line.strip():
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# print( 'checked_mode: ', checked_mode, ' UNEXPECTED STDERR IN ' + g.name + ':', line)
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#
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# #<for checked mode in(...)
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#
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# # Cleanup.
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# ##########
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# time.sleep(1)
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# cleanup( (f_init_log, f_init_err, f_worker_sql, f_worker_log, f_worker_err) )
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# -----------------------------------
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for checked_mode in('table', 'view'):
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target_obj = 'test' if checked_mode == 'table' else 'v_test'
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# add rows with ID = 1, 2:
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sql_addi = f'''
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set term ^;
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execute block as
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begin
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rdb$set_context('USER_SESSION', 'WHO', 'INIT_DATA');
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end
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^
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set term ;^
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insert into {target_obj}(id, x) select row_number()over(),row_number()over() from rdb$types rows 2;
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commit;
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'''
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act.isql(switches=['-q'], input = ''.join( (sql_init, sql_addi) ) )
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with act.db.connect() as con_lock_1, act.db.connect() as con_lock_2:
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for i,c in enumerate((con_lock_1,con_lock_2)):
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sttm = f"execute block as begin rdb$set_context('USER_SESSION', 'WHO', 'LOCKER #{i+1}'); end"
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c.execute_immediate(sttm)
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#########################
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### L O C K E R - 1 ###
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#########################
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con_lock_1.execute_immediate( f'update {target_obj} set id=id where id = 2' )
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worker_sql = f'''
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set list on;
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set autoddl off;
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set term ^;
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execute block returns (whoami varchar(30)) as
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begin
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whoami = 'WORKER'; -- , ATT#' || current_connection;
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rdb$set_context('USER_SESSION','WHO', whoami);
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-- suspend;
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end
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^
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set term ;^
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commit;
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--set echo on;
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SET KEEP_TRAN_PARAMS ON;
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set transaction read committed read consistency;
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--select current_connection, current_transaction from rdb$database;
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set list off;
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set wng off;
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--set plan on;
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set count on;
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update {target_obj} set id = -id order by id; -- THIS MUST BE LOCKED
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-- check results:
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-- ###############
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select id from {target_obj} order by id; -- this will produce output only after all lockers do their commit/rollback
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select v.old_id, v.op, v.snap_no_rank from v_worker_log v where v.op = 'upd';
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set width who 10;
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-- DO NOT check this! Values can differ here from one run to another!
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-- select id, trn, who, old_id, new_id, op, rec_vers, global_cn, snap_no from tlog_done order by id;
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rollback;
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'''
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fn_worker_sql.write_text(worker_sql)
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with fn_worker_log.open(mode='w') as hang_out, fn_worker_err.open(mode='w') as hang_err:
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############################################################################
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### L A U N C H W O R K E R U S I N G I S Q L, A S Y N C. ###
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############################################################################
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p_worker = subprocess.Popen([act.vars['isql'], '-i', str(fn_worker_sql),
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'-user', act.db.user,
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'-password', act.db.password,
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'-pag', '999999',
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act.db.dsn
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],
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stdout = hang_out,
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stderr = hang_err
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)
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time.sleep(1)
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#########################
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### L O C K E R - 2 ###
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#########################
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con_lock_2.execute_immediate( f'insert into {target_obj}(id) values(110)' )
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con_lock_2.execute_immediate( f'insert into {target_obj}(id) values(-11)' )
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con_lock_2.commit()
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con_lock_2.execute_immediate( f'update {target_obj} set id=id where id = 110' )
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con_lock_2.execute_immediate( f'update {target_obj} set id=id where id = -11' )
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#########################
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### L O C K E R - 1 ###
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#########################
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con_lock_1.commit()
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con_lock_1.execute_immediate( f'insert into {target_obj}(id) values(120)' )
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con_lock_1.execute_immediate( f'insert into {target_obj}(id) values(-12)' )
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con_lock_1.commit()
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con_lock_1.execute_immediate( f'update {target_obj} set id=id where id = 120' )
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con_lock_1.execute_immediate( f'update {target_obj} set id=id where id = -12' )
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#########################
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### L O C K E R - 2 ###
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#########################
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con_lock_2.commit()
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con_lock_2.execute_immediate( f'insert into {target_obj}(id) values(130)' )
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con_lock_2.execute_immediate( f'insert into {target_obj}(id) values(-13)' )
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con_lock_2.commit()
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con_lock_2.execute_immediate( f'update {target_obj} set id=id where id = 130' )
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con_lock_2.execute_immediate( f'update {target_obj} set id=id where id = -13' )
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#########################
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### L O C K E R - 1 ###
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#########################
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con_lock_1.commit()
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con_lock_1.execute_immediate( f'insert into {target_obj}(id) values(140)' )
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con_lock_1.execute_immediate( f'insert into {target_obj}(id) values(-14)' )
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con_lock_1.commit()
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con_lock_1.execute_immediate( f'update {target_obj} set id=id where id = 140' )
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con_lock_1.execute_immediate( f'update {target_obj} set id=id where id = -14' )
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#########################
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### L O C K E R - 2 ###
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#########################
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con_lock_1.commit()
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#########################
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### L O C K E R - 1 ###
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#########################
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con_lock_2.commit() # WORKER will complete his job after this
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# Here we wait for ISQL complete its mission:
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p_worker.wait()
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for g in (fn_worker_log, fn_worker_err):
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with g.open() as f:
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for line in f:
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if line.split():
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if g == fn_worker_log:
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print(f'checked_mode: {checked_mode}, STDLOG: {line}')
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else:
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print(f'UNEXPECTED STDERR {line}')
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act.expected_stdout = expected_stdout
|
||||
act.stdout = capsys.readouterr().out
|
||||
assert act.clean_stdout == act.clean_expected_stdout
|
||||
|
||||
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Reference in New Issue
Block a user