firebird-qa/tests/bugs/core_4451_test.py

#coding:utf-8

"""
ID:          issue-4771
ISSUE:       4771
TITLE:       Allow output to trace explain plan form.
DESCRIPTION:
JIRA:        CORE-4451
FBTEST:      bugs.core_4451
"""

import pytest
from firebird.qa import *

init_script = """
    recreate table test(x int);
"""

db = db_factory(init=init_script)

act = python_act('db', substitutions=[('[ \t]+', ' '), ('[ \t]+[\\d]+[ \t]+ms', '')])

expected_stdout = """
    Select Expression
    -> Aggregate
    -> Table "TEST" Full Scan
"""

trace = ['time_threshold = 0',
         'log_initfini = false',
         'print_plan = true',
         'explain_plan = true',
         'log_statement_prepare = true',
         'include_filter=%(from|join)[[:whitespace:]]test%',
         ]

@pytest.mark.trace
@pytest.mark.version('>=3.0')
def test_1(act: Action, capsys):
    with act.trace(db_events=trace):
        act.isql(switches=[], input='select count(*) from test;')
    # Process trace
    show_line = 0
    for line in act.trace_log:
        show_line = (show_line + 1 if ('^' * 79) in line or show_line>0 else show_line)
        if show_line > 1:
            print(line)
    # Check
    act.expected_stdout = expected_stdout
    act.stdout = capsys.readouterr().out
    assert act.clean_stdout == act.clean_expected_stdout