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81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
#coding:utf-8
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"""
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ID: issue-5653
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ISSUE: 5653
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TITLE: Allow subroutines to call others subroutines and themself recursively
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DESCRIPTION:
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We check not only ability of recursive calls but also max depth of them. It should be equal to 1000.
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JIRA: CORE-5380
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FBTEST: bugs.core_5380
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"""
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import pytest
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from firebird.qa import *
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db = db_factory()
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test_script = """
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set term ^;
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create or alter function get_arithmetic_progression_total(n smallint) returns decfloat(34) as
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declare function get_sub_total_recursively(n smallint) returns decfloat(34) as
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begin
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if (n = 1) then
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return 1;
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else
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return n + get_sub_total_recursively(n - 1);
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end
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begin
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if (n <= 0) then
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return 0;
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else
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return get_sub_total_recursively(n);
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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 list on;
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select get_arithmetic_progression_total(1001) as arithmetic_progression_total from rdb$database;
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select get_arithmetic_progression_total(1002) as arithmetic_progression_total from rdb$database;
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-- (a1 + an) * n / 2
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"""
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act = isql_act('db', test_script, substitutions=[('line:\\s[0-9]+,', 'line: x'),
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('col:\\s[0-9]+', 'col: y')])
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expected_stdout = """
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ARITHMETIC_PROGRESSION_TOTAL 501501
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"""
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expected_stderr = """
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Statement failed, SQLSTATE = 54001
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Too many concurrent executions of the same request
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-At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY' line: 7, col: 13
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At sub function 'GET_SUB_TOTAL_RECURSIVELY'...
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"""
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@pytest.mark.version('>=4.0')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.expected_stderr = expected_stderr
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act.execute()
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assert (act.clean_stderr == act.clean_expected_stderr and
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act.clean_stdout == act.clean_expected_stdout)
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