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filterx: add variable type related light testcases
Signed-off-by: Balazs Scheidler <[email protected]>
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tests/light/functional_tests/filterx/test_filterx_scope.py
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#!/usr/bin/env python | ||
############################################################################# | ||
# Copyright (c) 2023 Balazs Scheidler <[email protected]> | ||
# | ||
# This program is free software; you can redistribute it and/or modify it | ||
# under the terms of the GNU General Public License version 2 as published | ||
# by the Free Software Foundation, or (at your option) any later version. | ||
# | ||
# This program is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
# GNU General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU General Public License | ||
# along with this program; if not, write to the Free Software | ||
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
# | ||
# As an additional exemption you are allowed to compile & link against the | ||
# OpenSSL libraries as published by the OpenSSL project. See the file | ||
# COPYING for details. | ||
# | ||
############################################################################# | ||
from src.syslog_ng_config.renderer import render_statement | ||
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def render_filterx_exprs(expressions): | ||
return '\n'.join(f"filterx {{ { expr } }};" for expr in expressions) | ||
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def create_config(config, init_exprs, true_exprs=(), false_exprs=(), msg="foobar"): | ||
file_true = config.create_file_destination(file_name="dest-true.log", template="'$MSG\n'") | ||
file_false = config.create_file_destination(file_name="dest-false.log", template="'$MSG\n'") | ||
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preamble = f""" | ||
@version: {config.get_version()} | ||
options {{ stats(level(1)); }}; | ||
source genmsg {{ | ||
example-msg-generator( | ||
num(1) | ||
template("{msg}") | ||
values( | ||
"values.str" => string("string"), | ||
"values.bool" => boolean(true), | ||
"values.int" => int(5), | ||
"values.double" => double(32.5), | ||
"values.datetime" => datetime("1701350398.123000+01:00"), | ||
"values.list" => list("foo,bar,baz"), | ||
"values.null" => null(""), | ||
"values.bytes" => bytes("binary whatever"), | ||
"values.protobuf" => protobuf("this is not a valid protobuf!!"), | ||
"values.json" => json('{{"emb_key1": "emb_key1 value", "emb_key2": "emb_key2 value"}}'), | ||
"values.true_string" => string("boolean:true"), | ||
"values.false_string" => string("boolean:false"), | ||
) | ||
); | ||
}}; | ||
destination dest_true {{ | ||
{render_statement(file_true)}; | ||
}}; | ||
destination dest_false {{ | ||
{render_statement(file_false)}; | ||
}}; | ||
log {{ | ||
source(genmsg); | ||
{render_filterx_exprs(init_exprs)}; | ||
if {{ | ||
{render_filterx_exprs(true_exprs)} | ||
destination(dest_true); | ||
}} else {{ | ||
{render_filterx_exprs(false_exprs)} | ||
destination(dest_false); | ||
}}; | ||
}}; | ||
""" | ||
config.set_raw_config(preamble) | ||
return (file_true, file_false) | ||
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def test_message_tied_variables_are_propagated_to_the_output(config, syslog_ng): | ||
(file_true, file_false) = create_config( | ||
config, [ | ||
""" | ||
$foo = "kecske"; | ||
isset($foo); | ||
""", | ||
""" | ||
isset($foo); | ||
$MSG = $foo; | ||
""", | ||
], | ||
) | ||
syslog_ng.start(config) | ||
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assert file_true.get_stats()["processed"] == 1 | ||
assert "processed" not in file_false.get_stats() | ||
assert file_true.read_log() == "kecske\n" | ||
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def test_message_tied_variables_are_propagated_to_the_output_in_junctions(config, syslog_ng): | ||
(file_true, file_false) = create_config( | ||
config, init_exprs=[ | ||
""" | ||
$foo = "kecske"; | ||
isset($foo); | ||
""", | ||
], true_exprs=[ | ||
""" | ||
isset($foo); | ||
$MSG = $foo; | ||
""" | ||
], | ||
) | ||
syslog_ng.start(config) | ||
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assert file_true.get_stats()["processed"] == 1 | ||
assert "processed" not in file_false.get_stats() | ||
assert file_true.read_log() == "kecske\n" | ||
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def test_message_tied_variables_do_not_propagate_to_parallel_branches(config, syslog_ng): | ||
(file_true, file_false) = create_config( | ||
config, init_exprs=[ | ||
""" | ||
$foo = "kecske"; | ||
isset($foo); | ||
""", | ||
], true_exprs=[ | ||
""" | ||
isset($foo); | ||
$bar = $foo; | ||
isset($bar); | ||
$foo = "not kecske"; | ||
false; | ||
""", | ||
], false_exprs=[ | ||
""" | ||
isset($foo); | ||
not isset($bar); | ||
$MSG = $foo; | ||
""", | ||
], | ||
) | ||
syslog_ng.start(config) | ||
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assert file_false.get_stats()["processed"] == 1 | ||
assert "processed" not in file_true.get_stats() | ||
assert file_false.read_log() == "kecske\n" | ||
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def test_floating_variables_are_dropped_at_the_end_of_the_scope(config, syslog_ng): | ||
(file_true, file_false) = create_config( | ||
config, [ | ||
""" | ||
foo = "kecske"; | ||
isset(foo); | ||
""", | ||
""" | ||
not isset(foo); | ||
""", | ||
],) | ||
syslog_ng.start(config) | ||
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assert file_true.get_stats()["processed"] == 1 | ||
assert "processed" not in file_false.get_stats() | ||
assert file_true.read_log() == "foobar\n" | ||
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def test_floating_variables_are_dropped_at_the_end_of_the_scope_but_can_be_recreated(config, syslog_ng): | ||
(file_true, file_false) = create_config( | ||
config, [ | ||
""" | ||
foo = "kecske"; | ||
isset(foo); | ||
""", | ||
""" | ||
not isset(foo); | ||
foo = "barka"; | ||
isset(foo); | ||
$MSG = foo; | ||
""", | ||
],) | ||
syslog_ng.start(config) | ||
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assert file_true.get_stats()["processed"] == 1 | ||
assert "processed" not in file_false.get_stats() | ||
assert file_true.read_log() == "barka\n" | ||
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def test_declared_variables_are_retained_across_scopes(config, syslog_ng): | ||
(file_true, file_false) = create_config( | ||
config, [ | ||
""" | ||
declare foo = "kecske"; | ||
isset(foo); | ||
""", | ||
""" | ||
isset(foo); | ||
foo = "barka"; | ||
""", | ||
""" | ||
isset(foo); | ||
$MSG = foo; | ||
""", | ||
],) | ||
syslog_ng.start(config) | ||
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assert file_true.get_stats()["processed"] == 1 | ||
assert "processed" not in file_false.get_stats() | ||
assert file_true.read_log() == "barka\n" | ||
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def test_declared_variables_are_retained_across_scopes_and_junctions(config, syslog_ng): | ||
(file_true, file_false) = create_config( | ||
config, init_exprs=[ | ||
""" | ||
declare foo = "kecske"; | ||
isset(foo); | ||
"""], true_exprs=[ | ||
""" | ||
isset(foo); | ||
foo = "barka"; | ||
""", | ||
""" | ||
isset(foo); | ||
$MSG = foo; | ||
""", | ||
],) | ||
syslog_ng.start(config) | ||
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assert file_true.get_stats()["processed"] == 1 | ||
assert "processed" not in file_false.get_stats() | ||
assert file_true.read_log() == "barka\n" |