tests: subsys: logging: timestamp: add custom timestamp tests

# SPDX-License-Identifier: Apache-2.0

cmake_minimum_required(VERSION 3.20.0)

find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})

project(log_output)

FILE(GLOB app_sources src/*.c)

target_sources(app PRIVATE ${app_sources})

CONFIG_ZTEST=y

CONFIG_ZTEST_NEW_API=y

CONFIG_TEST_LOGGING_DEFAULTS=n

CONFIG_LOG=y

CONFIG_LOG_OUTPUT=y

CONFIG_LOG_PRINTK=n

/*

 * Copyright (c) 2023 Nobleo Technology

 *

 * SPDX-License-Identifier: Apache-2.0

 */

/**

 * @file

 * @brief Test log timestamp

 */

#include <zephyr/logging/log.h>

#include <zephyr/logging/log_output.h>

#include <zephyr/logging/log_output_custom.h>

#include <zephyr/tc_util.h>

#include <stdbool.h>

#include <zephyr/kernel.h>

#include <zephyr/ztest.h>

#define LOG_MODULE_NAME test

LOG_MODULE_REGISTER(LOG_MODULE_NAME);

#define SNAME "src"

#define DNAME "domain"

#define TEST_STR "test"

static uint8_t mock_buffer[512];

static uint8_t log_output_buf[4];

static uint32_t mock_len;

static void reset_mock_buffer(void)

{

	mock_len = 0U;

	memset(mock_buffer, 0, sizeof(mock_buffer));

}

static int mock_output_func(uint8_t *buf, size_t size, void *ctx)

{

	memcpy(&mock_buffer[mock_len], buf, size);

	mock_len += size;

	return size;

}

LOG_OUTPUT_DEFINE(log_output, mock_output_func,

		  log_output_buf, sizeof(log_output_buf));

int custom_timestamp(const struct log_output *output,

				const log_timestamp_t timestamp,

				const log_timestamp_printer_t printer)

{

	uint8_t buffer[] = "custom-timestamp: ";

	return printer(output, "%s", buffer);

}

ZTEST(test_timestamp, test_custom_timestamp)

{

	if (IS_ENABLED(CONFIG_LOG_OUTPUT_FORMAT_CUSTOM_TIMESTAMP)) {

		log_custom_timestamp_set(custom_timestamp);

	}

	static const char *exp_str = IS_ENABLED(CONFIG_LOG_OUTPUT_FORMAT_CUSTOM_TIMESTAMP) ?

			"custom-timestamp: " DNAME "/" SNAME ": " TEST_STR "\r\n" :

			"[00000001] " DNAME "/" SNAME ": " TEST_STR "\r\n";

	char package[256];

	uint32_t flags = LOG_OUTPUT_FLAG_TIMESTAMP;

	int err;

	err = cbprintf_package(package, sizeof(package), 0, TEST_STR);

	zassert_true(err > 0);

	log_output_process(&log_output, 1, DNAME, SNAME, LOG_LEVEL_INF,

			   package, NULL, 0, flags);

	mock_buffer[mock_len] = '\0';

	zassert_equal(strcmp(exp_str, mock_buffer), 0);

}

static void before(void *notused)

{

	reset_mock_buffer();

}

ZTEST_SUITE(test_timestamp, NULL, NULL, before, NULL, NULL);

common:

  integration_platforms:

    - native_posix

tests:

  logging.log_output_default_timestamp:

    tags: log_output logging timestamp

  logging.log_output_custom_timestamp:

    tags: log_output logging timestamp

    extra_configs:

      - CONFIG_LOG_OUTPUT_FORMAT_CUSTOM_TIMESTAMP=y