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/*
* Copyright (c) 2014 Balabit
* Copyright (c) 2014 Balazs Scheidler <bazsi@balabit.hu>
*
* 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.
*/
#include "testutils.h"
#include "json-parser.h"
#include "apphook.h"
#include "msg_parse_lib.h"
#define json_parser_testcase_begin(func, args) \
do \
{ \
testcase_begin("%s(%s)", func, args); \
json_parser = json_parser_new(NULL); \
} \
while (0)
#define json_parser_testcase_end() \
do \
{ \
log_pipe_unref(&json_parser->super); \
testcase_end(); \
} \
while (0)
#define JSON_PARSER_TESTCASE(x, ...) \
do { \
json_parser_testcase_begin(#x, #__VA_ARGS__); \
x(__VA_ARGS__); \
json_parser_testcase_end(); \
} while(0)
LogParser *json_parser;
static LogMessage *
parse_json_into_log_message_no_check(const gchar *json)
{
LogMessage *msg;
LogPathOptions path_options = LOG_PATH_OPTIONS_INIT;
LogParser *cloned_parser;
cloned_parser = (LogParser *) log_pipe_clone(&json_parser->super);
msg = log_msg_new_empty();
log_msg_set_value(msg, LM_V_MESSAGE, json, -1);
if (!log_parser_process_message(cloned_parser, &msg, &path_options))
{
log_msg_unref(msg);
log_pipe_unref(&cloned_parser->super);
return NULL;
}
log_pipe_unref(&cloned_parser->super);
return msg;
}
static LogMessage *
parse_json_into_log_message(const gchar *json)
{
LogMessage *msg;
msg = parse_json_into_log_message_no_check(json);
assert_not_null(msg, "expected json-parser success and it returned failure, json=%s", json);
return msg;
}
static void
assert_json_parser_fails(const gchar *json)
{
LogMessage *msg;
msg = parse_json_into_log_message_no_check(json);
assert_null(msg, "expected json-parser failure and it returned success, json=%s", json);
}
static void
test_json_parser_parses_well_formed_json_and_puts_results_in_message(void)
{
LogMessage *msg;
msg = parse_json_into_log_message("{'foo': 'bar'}");
assert_log_message_value(msg, log_msg_get_value_handle("foo"), "bar");
log_msg_unref(msg);
}
static void
test_json_parser_adds_prefix_to_name_value_pairs_when_instructed(void)
{
LogMessage *msg;
json_parser_set_prefix(json_parser, ".prefix.");
msg = parse_json_into_log_message("{'foo': 'bar'}");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.foo"), "bar");
log_msg_unref(msg);
}
static void
test_json_parser_skips_marker_when_set_in_the_input(void)
{
LogMessage *msg;
json_parser_set_marker(json_parser, "@cee:");
msg = parse_json_into_log_message("@cee: {'foo': 'bar'}");
assert_log_message_value(msg, log_msg_get_value_handle("foo"), "bar");
log_msg_unref(msg);
}
static void
test_json_parser_fails_when_marker_is_not_present(void)
{
json_parser_set_marker(json_parser, "@cee:");
assert_json_parser_fails("@cxx: {'foo': 'bar'}");
}
static void
test_json_parser_fails_for_invalid_json(void)
{
assert_json_parser_fails("not-valid-json");
}
static void
test_json_parser_validate_type_representation(void)
{
LogMessage *msg;
json_parser_set_prefix(json_parser, ".prefix.");
msg = parse_json_into_log_message("{'int': 123, 'booltrue': true, 'boolfalse': false, 'double': 1.23, 'object': {'member1': 'foo', 'member2': 'bar'}, 'array': [1, 2, 3], 'null': null}");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.int"), "123");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.booltrue"), "true");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.boolfalse"), "false");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.double"), "1.230000");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.object.member1"), "foo");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.object.member2"), "bar");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.array[0]"), "1");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.array[1]"), "2");
assert_log_message_value(msg, log_msg_get_value_handle(".prefix.array[2]"), "3");
log_msg_unref(msg);
}
static void
test_json_parser_fails_for_non_object_top_element(void)
{
assert_json_parser_fails("[1, 2, 3]");
assert_json_parser_fails("");
}
static void
test_json_parser_extracts_subobjects_if_extract_prefix_is_specified(void)
{
LogMessage *msg;
json_parser_set_extract_prefix(json_parser, "[0]");
msg = parse_json_into_log_message("[{'foo':'bar'}, {'bar':'foo'}]");
assert_log_message_value(msg, log_msg_get_value_handle("foo"), "bar");
log_msg_unref(msg);
}
static void
test_json_parser_works_with_templates(void)
{
LogMessage *msg;
LogTemplate *template;
template = log_template_new(NULL, NULL);
log_template_compile(template, "{'foo':'bar'}", NULL);
log_parser_set_template(json_parser, template);
msg = parse_json_into_log_message("invalid-syntax-because-json-is-coming-from-the-template");
assert_log_message_value(msg, log_msg_get_value_handle("foo"), "bar");
log_msg_unref(msg);
}
static void
test_json_parser(void)
{
JSON_PARSER_TESTCASE(test_json_parser_parses_well_formed_json_and_puts_results_in_message);
JSON_PARSER_TESTCASE(test_json_parser_adds_prefix_to_name_value_pairs_when_instructed);
JSON_PARSER_TESTCASE(test_json_parser_skips_marker_when_set_in_the_input);
JSON_PARSER_TESTCASE(test_json_parser_fails_when_marker_is_not_present);
JSON_PARSER_TESTCASE(test_json_parser_fails_for_invalid_json);
JSON_PARSER_TESTCASE(test_json_parser_validate_type_representation);
JSON_PARSER_TESTCASE(test_json_parser_fails_for_non_object_top_element);
JSON_PARSER_TESTCASE(test_json_parser_extracts_subobjects_if_extract_prefix_is_specified);
JSON_PARSER_TESTCASE(test_json_parser_works_with_templates);
}
int
main(int argc G_GNUC_UNUSED, char *argv[] G_GNUC_UNUSED)
{
app_startup();
test_json_parser();
app_shutdown();
return 0;
}
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