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/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#include "zbxmocktest.h"
#include "zbxmockdata.h"
#include "zbxmockassert.h"
#include "zbxmockutil.h"
#include "zbxprometheus.h"
#include "log.h"
#include "zbxjson.h"
static int num_params_exp = 0, num_params_rec = 0;
static int num_metrics_exp = 0;
static void check_param(const char *name, const char *value, const struct zbx_json_parse *jp)
{
char *json_value = NULL;
size_t json_value_sz = 0;
int ret;
ret = zbx_json_value_by_name_dyn(jp, name, &json_value, &json_value_sz, NULL);
if (SUCCEED != ret)
fail_msg("Expected parameter/label (%s) is not found in JSON output", name);
zbx_mock_assert_str_eq("Invalid parameter/label value returned by zbx_prometheus_to_json()", value, json_value);
zbx_free(json_value);
num_params_exp++;
}
static void check_metric_param(zbx_mock_handle_t element, const char *name, const struct zbx_json_parse *jp)
{
const char *value;
zbx_mock_handle_t member;
zbx_mock_error_t err;
if (ZBX_MOCK_SUCCESS == zbx_mock_object_member(element, name, &member))
{
if (ZBX_MOCK_SUCCESS != (err = zbx_mock_string(member, &value)))
fail_msg("Cannot get string: %s", zbx_mock_error_string(err));
check_param(name, value, jp);
}
}
void zbx_mock_test_entry(void **state)
{
struct zbx_json_parse jp, jp_data, jp_label;
zbx_mock_handle_t metrics, labels, element;
const char *data, *params, *label_name, *label_value, *p = NULL, *output_raw;
char *ret_err = NULL, *ret_output = NULL;
int ret, expected_ret;
zbx_mock_error_t error;
ZBX_UNUSED(state);
data = zbx_mock_get_parameter_string("in.data");
params = zbx_mock_get_parameter_string("in.params");
if (SUCCEED != (ret = zbx_prometheus_to_json(data, params, &ret_output, &ret_err)))
zabbix_log(LOG_LEVEL_DEBUG, "Error: %s", ret_err);
expected_ret = zbx_mock_str_to_return_code(zbx_mock_get_parameter_string("out.result"));
zbx_mock_assert_result_eq("Invalid zbx_prometheus_to_json() return value", expected_ret, ret);
if (SUCCEED == ret)
{
ret = zbx_json_open(ret_output, &jp);
zbx_mock_assert_result_eq("Invalid zbx_json_open() return value", SUCCEED, ret);
/* verify output_raw (optional) */
if (ZBX_MOCK_SUCCESS == zbx_mock_out_parameter("output_raw", &metrics))
{
if (ZBX_MOCK_SUCCESS != (error = zbx_mock_string(metrics, &output_raw)))
fail_msg("Cannot get string: %s", zbx_mock_error_string(error));
zbx_mock_assert_str_eq("Invalid zbx_prometheus_to_json() output", output_raw, ret_output);
/* metrics parameter is not mandatory if output_raw is set */
if (ZBX_MOCK_SUCCESS != zbx_mock_out_parameter("metrics", &metrics))
goto out;
}
else
metrics = zbx_mock_get_parameter_handle("out.metrics");
/* verify metrics */
while (ZBX_MOCK_SUCCESS == zbx_mock_vector_element(metrics, &element))
{
p = zbx_json_next(&jp, p);
if (NULL == p)
fail_msg("Less metrics than expected returned by zbx_prometheus_to_json()");
ret = zbx_json_brackets_open(p, &jp_data);
zbx_mock_assert_result_eq("Invalid zbx_json_brackets_open() return value", SUCCEED, ret);
num_params_rec += zbx_json_count(&jp_data);
check_metric_param(element, "name", &jp_data);
check_metric_param(element, "value", &jp_data);
check_metric_param(element, "line_raw", &jp_data);
check_metric_param(element, "help", &jp_data);
check_metric_param(element, "type", &jp_data);
/* verify labels */
if (ZBX_MOCK_SUCCESS == zbx_mock_object_member(element, "labels", &labels))
{
ret = zbx_json_brackets_by_name(&jp_data, "labels", &jp_label);
if (SUCCEED != ret)
fail_msg("Expected labels are not found in JSON output");
num_params_rec += zbx_json_count(&jp_label);
num_params_exp++;
while (ZBX_MOCK_SUCCESS == zbx_mock_vector_element(labels, &element))
{
label_name = zbx_mock_get_object_member_string(element, "name");
label_value = zbx_mock_get_object_member_string(element, "value");
check_param(label_name, label_value, &jp_label);
}
}
else
{
ret = zbx_json_brackets_by_name(&jp_data, "labels", &jp_label);
if (SUCCEED == ret)
fail_msg("Labels found in JSON output while not expected");
}
num_metrics_exp++;
}
if ((num_params_rec != num_params_exp) || (zbx_json_count(&jp) != num_metrics_exp))
fail_msg("More metrics/parameters than expected returned by zbx_prometheus_to_json()");
}
out:
zbx_free(ret_output);
zbx_free(ret_err);
}
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