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#!/usr/bin/env python
#############################################################################
# Copyright (c) 2020 One Identity
# Copyright (c) 2021 Xiaoyu Qiu
#
# 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.
#
#############################################################################
import pytest
test_parameters_raw = [
{
"id": "simple",
"input_message": "foo,bar",
"expected_value": "foo=foo bar=bar",
},
{
"id": "quoted",
"input_message": '''foo,"bar"''',
"expected_value": "foo=foo bar=bar",
},
{
"id": "simple-quotes",
"quotes": "~^",
"input_message": '''~foo~,^bar^''',
"expected_value": "foo=foo bar=bar",
},
{
"id": "quote-pairs",
"quote-pairs": "><~~",
"input_message": '''~foo~,>bar<''',
"expected_value": "foo=foo bar=bar",
},
{
"id": "escape-none",
"input_message": "foo,bar",
"dialect": "escape-none",
"expected_value": "foo=foo bar=bar",
},
{
"id": "escape-double-char",
"input_message": '''foo,"b""a""r"''',
"dialect": "escape-double-char",
"expected_value": 'foo=foo bar=b"a"r',
},
{
"id": "escape-backslash",
"input_message": r'''foo,"b\"a\"r\a"''',
"dialect": "escape-backslash",
"expected_value": 'foo=foo bar=b"a"ra',
},
{
"id": "escape-backslash-with-sequences",
"input_message": r'''foo,"b\"a\"r\a"''',
"dialect": "escape-backslash-with-sequences",
"expected_value": 'foo=foo bar=b"a"r\a',
},
{
"id": "null-value",
"input_message": "foo,NULL",
"null": "NULL",
"expected_value": "foo=foo bar=>>unset<<",
},
{
"id": "delimiter-character",
"input_message": "foo^bar",
"delimiters": '"^"',
"expected_value": "foo=foo bar=bar",
},
{
"id": "delimiter-character2",
"input_message": "foo^bar",
"delimiters": 'chars("^")',
"expected_value": "foo=foo bar=bar",
},
{
"id": "delimiter-string",
"input_message": "foo^^^bar",
"delimiters": 'strings("^^^", "~~~")',
"expected_value": "foo=foo bar=bar",
},
{
"id": "delimiter-string2",
"input_message": "foo~~~bar",
"delimiters": 'strings("^^^", "~~~")',
"expected_value": "foo=foo bar=bar",
},
]
def add_optional_arg(config, args, testcase, key):
if key in testcase:
args[key] = testcase[key]
def add_optional_string_arg(config, args, testcase, key):
if key in testcase:
args[key] = config.stringify(testcase[key])
@pytest.mark.parametrize(
"testcase", test_parameters_raw,
ids=map(lambda tc: tc['id'], test_parameters_raw),
)
def test_csv_parser(config, syslog_ng, testcase):
config.update_global_options(stats_level=1)
generator_source = config.create_example_msg_generator_source(num=1, template=config.stringify(testcase["input_message"]))
csv_parser_args = {}
csv_parser_args['delimiters'] = config.stringify(',')
add_optional_arg(config, csv_parser_args, testcase, 'dialect')
add_optional_string_arg(config, csv_parser_args, testcase, 'quotes')
add_optional_string_arg(config, csv_parser_args, testcase, 'quote-pairs')
add_optional_string_arg(config, csv_parser_args, testcase, 'null')
add_optional_arg(config, csv_parser_args, testcase, 'delimiters')
csv_parser = config.create_csv_parser(prefix=config.stringify("prefix."), columns='''"foo", "bar"''', **csv_parser_args)
file_destination = config.create_file_destination(file_name="output.log", template=config.stringify("foo=${prefix.foo:->>unset<<} bar=${prefix.bar:->>unset<<}\n"))
config.create_logpath(statements=[generator_source, csv_parser, file_destination])
syslog_ng.start(config)
assert file_destination.read_log().strip() == testcase['expected_value']
assert csv_parser.get_query().get('discarded', -1) == 0
def test_csv_parser_into_matches(config, syslog_ng):
config.update_global_options(stats_level=1)
generator_source = config.create_example_msg_generator_source(num=1, template=config.stringify("FOO,BAR,BAZ"))
csv_parser = config.create_csv_parser(delimiters=config.stringify(","))
file_destination = config.create_file_destination(file_name="output.log", template=config.stringify("$*\n"))
config.create_logpath(statements=[generator_source, csv_parser, file_destination])
syslog_ng.start(config)
assert file_destination.read_log().strip() == "FOO,BAR,BAZ"
assert csv_parser.get_query().get('discarded', -1) == 0
test_parameters_drop_invalid = [
{
"id": "too_many_columns_in_input",
"input_message": "foo,bar,baz",
"columns": "foo,bar",
},
{
"id": "type_does_not_match",
"input_message": "foo,bar",
"columns": "int(foo),bar",
},
]
@pytest.mark.parametrize(
"testcase", test_parameters_drop_invalid,
ids=map(lambda tc: tc['id'], test_parameters_drop_invalid),
)
def test_csv_parser_drop_invalid(config, syslog_ng, testcase):
config.update_global_options(stats_level=1)
generator_source = config.create_example_msg_generator_source(num=1, template=config.stringify(testcase["input_message"]))
csv_parser = config.create_csv_parser(delimiters=config.stringify(","), drop_invalid="yes", columns=testcase["columns"])
file_destination = config.create_file_destination(file_name="output.log", template=config.stringify("$*\n"))
config.create_logpath(statements=[generator_source, csv_parser, file_destination])
syslog_ng.start(config)
assert csv_parser.get_query().get('discarded', -1) == 1
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