blob: 26536ebca79d35bba8af7d9c08a245122b53a004 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
*
* Logging function tests for CONFIG_LOG_SYSLOG=y.
*
* Invoke the test with: ./u-boot -d arch/sandbox/dts/test.dtb
*/
/* Override CONFIG_LOG_MAX_LEVEL */
#define LOG_DEBUG
#include <common.h>
#include <dm/device.h>
#include <hexdump.h>
#include <test/log.h>
#include <test/test.h>
#include <test/suites.h>
#include <test/ut.h>
#include <asm/eth.h>
DECLARE_GLOBAL_DATA_PTR;
/**
* struct sb_log_env - private data for sandbox ethernet driver
*
* This structure is used for the private data of the sandbox ethernet
* driver.
*
* @expected: string expected to be written by the syslog driver
* @uts: unit test state
*/
struct sb_log_env {
const char *expected;
struct unit_test_state *uts;
};
/**
* sb_log_tx_handler() - transmit callback function
*
* This callback function is invoked when a network package is sent using the
* sandbox Ethernet driver. The private data of the driver holds a sb_log_env
* structure with the unit test state and the expected UDP payload.
*
* The following checks are executed:
*
* * the Ethernet packet indicates a IP broadcast message
* * the IP header is for a local UDP broadcast message to port 514
* * the UDP payload matches the expected string
*
* After testing the pointer to the expected string is set to NULL to signal
* that the callback function has been called.
*
* @dev: sandbox ethernet device
* @packet: Ethernet packet
* @len: length of Ethernet packet
* Return: 0 = success
*/
static int sb_log_tx_handler(struct udevice *dev, void *packet,
unsigned int len)
{
struct eth_sandbox_priv *priv = dev_get_priv(dev);
struct sb_log_env *env = priv->priv;
/* uts is updated by the ut_assert* macros */
struct unit_test_state *uts = env->uts;
char *buf = packet;
struct ethernet_hdr *eth_hdr = packet;
struct ip_udp_hdr *ip_udp_hdr;
/* Check Ethernet header */
ut_asserteq_mem(&eth_hdr->et_dest, net_bcast_ethaddr, ARP_HLEN);
ut_asserteq(ntohs(eth_hdr->et_protlen), PROT_IP);
/* Check IP header */
buf += sizeof(struct ethernet_hdr);
ip_udp_hdr = (struct ip_udp_hdr *)buf;
ut_asserteq(ip_udp_hdr->ip_p, IPPROTO_UDP);
ut_asserteq(ip_udp_hdr->ip_dst.s_addr, 0xffffffff);
ut_asserteq(ntohs(ip_udp_hdr->udp_dst), 514);
ut_asserteq(UDP_HDR_SIZE + strlen(env->expected) + 1,
ntohs(ip_udp_hdr->udp_len));
/* Check payload */
buf += sizeof(struct ip_udp_hdr);
ut_asserteq_mem(env->expected, buf,
ntohs(ip_udp_hdr->udp_len) - UDP_HDR_SIZE);
/* Signal that the callback function has been executed */
env->expected = NULL;
return 0;
}
/**
* log_test_syslog_err() - test log_err() function
*
* @uts: unit test state
* Return: 0 = success
*/
static int log_test_syslog_err(struct unit_test_state *uts)
{
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
env.expected = "<3>sandbox uboot: log_test_syslog_err() "
"testing log_err\n";
env.uts = uts;
sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
/* Used by ut_assert macros in the tx_handler */
sandbox_eth_set_priv(0, &env);
log_err("testing %s\n", "log_err");
/* Check that the callback function was called */
sandbox_eth_set_tx_handler(0, NULL);
gd->default_log_level = old_log_level;
return 0;
}
LOG_TEST(log_test_syslog_err);
/**
* log_test_syslog_warning() - test log_warning() function
*
* @uts: unit test state
* Return: 0 = success
*/
static int log_test_syslog_warning(struct unit_test_state *uts)
{
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
env.expected = "<4>sandbox uboot: log_test_syslog_warning() "
"testing log_warning\n";
env.uts = uts;
sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
/* Used by ut_assert macros in the tx_handler */
sandbox_eth_set_priv(0, &env);
log_warning("testing %s\n", "log_warning");
sandbox_eth_set_tx_handler(0, NULL);
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
return 0;
}
LOG_TEST(log_test_syslog_warning);
/**
* log_test_syslog_notice() - test log_notice() function
*
* @uts: unit test state
* Return: 0 = success
*/
static int log_test_syslog_notice(struct unit_test_state *uts)
{
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
env.expected = "<5>sandbox uboot: log_test_syslog_notice() "
"testing log_notice\n";
env.uts = uts;
sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
/* Used by ut_assert macros in the tx_handler */
sandbox_eth_set_priv(0, &env);
log_notice("testing %s\n", "log_notice");
sandbox_eth_set_tx_handler(0, NULL);
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
return 0;
}
LOG_TEST(log_test_syslog_notice);
/**
* log_test_syslog_info() - test log_info() function
*
* @uts: unit test state
* Return: 0 = success
*/
static int log_test_syslog_info(struct unit_test_state *uts)
{
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
env.expected = "<6>sandbox uboot: log_test_syslog_info() "
"testing log_info\n";
env.uts = uts;
sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
/* Used by ut_assert macros in the tx_handler */
sandbox_eth_set_priv(0, &env);
log_info("testing %s\n", "log_info");
sandbox_eth_set_tx_handler(0, NULL);
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
return 0;
}
LOG_TEST(log_test_syslog_info);
/**
* log_test_syslog_debug() - test log_debug() function
*
* @uts: unit test state
* Return: 0 = success
*/
static int log_test_syslog_debug(struct unit_test_state *uts)
{
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->default_log_level = LOGL_DEBUG;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
env.expected = "<7>sandbox uboot: log_test_syslog_debug() "
"testing log_debug\n";
env.uts = uts;
sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
/* Used by ut_assert macros in the tx_handler */
sandbox_eth_set_priv(0, &env);
log_debug("testing %s\n", "log_debug");
sandbox_eth_set_tx_handler(0, NULL);
/* Check that the callback function was called */
ut_assertnull(env.expected);
gd->default_log_level = old_log_level;
return 0;
}
LOG_TEST(log_test_syslog_debug);
/**
* log_test_syslog_nodebug() - test logging level filter
*
* Verify that log_debug() does not lead to a log message if the logging level
* is set to LOGL_INFO.
*
* @uts: unit test state
* Return: 0 = success
*/
static int log_test_syslog_nodebug(struct unit_test_state *uts)
{
int old_log_level = gd->default_log_level;
struct sb_log_env env;
gd->log_fmt = LOGF_DEFAULT;
gd->default_log_level = LOGL_INFO;
env_set("ethact", "eth@10002000");
env_set("log_hostname", "sandbox");
env.expected = "<7>sandbox uboot: log_test_syslog_nodebug() "
"testing log_debug\n";
env.uts = uts;
sandbox_eth_set_tx_handler(0, sb_log_tx_handler);
/* Used by ut_assert macros in the tx_handler */
sandbox_eth_set_priv(0, &env);
log_debug("testing %s\n", "log_debug");
sandbox_eth_set_tx_handler(0, NULL);
/* Check that the callback function was not called */
ut_assertnonnull(env.expected);
gd->default_log_level = old_log_level;
return 0;
}
LOG_TEST(log_test_syslog_nodebug);