#coding:utf-8

"""
ID:          issue-7676
ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7676
TITLE:       Invalid message when violating unique constraint ("Attempt to evaluate index expression recursively")
DESCRIPTION:
NOTES:
    [28.05.2024] pzotov
    Confirmed bug on 5.0.0.1111: got SQLSTATE = HY000 / Attempt to evaluate index expression recursively
    Checked on 5.0.0.1121.
"""

import pytest
from firebird.qa import *

db = db_factory()

test_script = """
    create table test(x int);
    create unique index test_unq on test computed by (x);
    commit;
    insert into test values(1);
    insert into test values(1);
"""

act = isql_act('db', test_script, substitutions=[('[ \t]+', ' ')])

expected_stdout = """
    Statement failed, SQLSTATE = 23000
    attempt to store duplicate value (visible to active transactions) in unique index "TEST_UNQ"
    -Problematic key value is (<expression> = 1)
"""

@pytest.mark.version('>=5.0.0')
def test_1(act: Action):
    act.expected_stdout = expected_stdout
    act.execute(combine_output = True)
    assert act.clean_stdout == act.clean_expected_stdout