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-rw-r--r--test/log/syslog_test.c280
1 files changed, 280 insertions, 0 deletions
diff --git a/test/log/syslog_test.c b/test/log/syslog_test.c
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+++ b/test/log/syslog_test.c
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+// 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;
+}
+
+/**
+ * syslog_test_log_err() - test log_err() function
+ *
+ * @uts: unit test state
+ * Return: 0 = success
+ */
+static int syslog_test_log_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: syslog_test_log_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(syslog_test_log_err);
+
+/**
+ * syslog_test_log_warning() - test log_warning() function
+ *
+ * @uts: unit test state
+ * Return: 0 = success
+ */
+static int syslog_test_log_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: syslog_test_log_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(syslog_test_log_warning);
+
+/**
+ * syslog_test_log_notice() - test log_notice() function
+ *
+ * @uts: unit test state
+ * Return: 0 = success
+ */
+static int syslog_test_log_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: syslog_test_log_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(syslog_test_log_notice);
+
+/**
+ * syslog_test_log_info() - test log_info() function
+ *
+ * @uts: unit test state
+ * Return: 0 = success
+ */
+static int syslog_test_log_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: syslog_test_log_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(syslog_test_log_info);
+
+/**
+ * syslog_test_log_debug() - test log_debug() function
+ *
+ * @uts: unit test state
+ * Return: 0 = success
+ */
+static int syslog_test_log_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: syslog_test_log_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(syslog_test_log_debug);
+
+/**
+ * syslog_test_log_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 syslog_test_log_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: syslog_test_log_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(syslog_test_log_nodebug);
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