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85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
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#coding:utf-8
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#
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# id: bugs.core_6419
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# title: Truncation of strings to put in MON$ tables do not work correctly
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# decription:
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# We create two context variables, one consists only of ASCII characters, second contains UTF-8 character for euro currensy.
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# Both variables have lenght = 90 *characters*.
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# These variables are stored in mon$context_variables WITHOUT any adjusting to character set, i.e. it is NONE.
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# When we query to them from mon$context_variables, output of first must be truncated to 80 *octets*.
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# Output of second ALSO must be exactly 80 *octets*, but this leads to unreadable last character: not all bytes
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# of 'euro' currency (which requires 3 bytes in utf-8) will be issued.
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#
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# This is considered now as EXPECTED RESULT(!), in contrary to previous one which raised exception SQLSTATE = 22001
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# (string right truncation / -expected length 80, actual 90). See comments in the ticket by Adriano, 21-oct-2020 03:31 PM.
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#
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# In order to avoid Python-specific exception ('UnicodeDecodeError: utf8') we avoid to display second (utf8) variable.
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# Rather, we just show its octet_length and char_length.
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#
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# Checked on 4.0.0.2228 -- all OK.
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#
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# tracker_id: CORE-6419
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# min_versions: ['4.0']
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# versions: 4.0
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# qmid: None
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 4.0
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# resources: None
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substitutions_1 = [('[ \t]+', ' ')]
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init_script_1 = """"""
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db_1 = db_factory(charset='UTF8', sql_dialect=3, init=init_script_1)
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test_script_1 = """
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set list on;
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set count on;
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set term ^;
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execute block as
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begin
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rdb$set_context('USER_SESSION', '12345678901234567890123456789012345678901234567890123456789012345678901234567890abcdefghij', '1');
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rdb$set_context('USER_SESSION', 'ASDFGHJKLP€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€€', '1');
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end
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^
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set term ;^
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select
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c.mon$variable_name as mon_context_name
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,octet_length(c.mon$variable_name) mon_context_length
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from mon$context_variables c
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where mon$variable_name starting with '1234567890'
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;
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select
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char_length(c.mon$variable_name) utf8_context_char_length
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,octet_length(c.mon$variable_name) utf8_context_octet_length
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from mon$context_variables c
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where mon$variable_name starting with 'ASDFGHJKLP€€€'
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;
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-- NOTE. DO NOT output mon$variable_name for second query, result will be: UnicodeDecodeError: utf8
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"""
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act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
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expected_stdout_1 = """
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MON_CONTEXT_NAME 12345678901234567890123456789012345678901234567890123456789012345678901234567890
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MON_CONTEXT_LENGTH 80
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Records affected: 1
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UTF8_CONTEXT_CHAR_LENGTH 80
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UTF8_CONTEXT_OCTET_LENGTH 80
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Records affected: 1
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"""
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@pytest.mark.version('>=4.0')
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def test_core_6419_1(act_1: Action):
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act_1.expected_stdout = expected_stdout_1
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act_1.execute()
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assert act_1.clean_expected_stdout == act_1.clean_stdout
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