1 files changed, 105 insertions, 0 deletions
diff --git a/tests/libs/zbxsysinfo/linux/net_if_discovery.c b/tests/libs/zbxsysinfo/linux/net_if_discovery.c
new file mode 100644
index 00000000000..63df5a96093
--- /dev/null
+++ b/tests/libs/zbxsysinfo/linux/net_if_discovery.c
@@ -0,0 +1,105 @@
+/*
+** 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 "zbxsysinfo.h"
+#include "../../../../src/libs/zbxsysinfo/sysinfo.h"
+
+#define FAIL_PARAM(NAME, MOCK_ERR)	fail_msg("Cannot get \"%s\": %s", NAME, zbx_mock_error_string(MOCK_ERR))
+
+static void	get_out_parameter(const char *name, const char **value);
+
+void	zbx_mock_test_entry(void **state)
+{
+	AGENT_REQUEST	request;
+	AGENT_RESULT	result;
+	const char	*expected_json, *expected_error, *expected_string, *actual_string;
+	char		**p_result;
+	int		expected_ret, actual_ret;
+
+	ZBX_UNUSED(state);
+
+	get_out_parameter("json", &expected_json);
+	get_out_parameter("error", &expected_error);
+
+	if (NULL == expected_json)
+	{
+		if (NULL == expected_error)
+			fail_msg("Invalid test case data: expected \"json\" or \"error\" out parameter");
+
+		expected_ret = SYSINFO_RET_FAIL;
+		expected_string = expected_error;
+	}
+	else
+	{
+		if (NULL != expected_error)
+			fail_msg("Invalid test case data: expected only one of \"json\" and \"error\" out parameters");
+
+		expected_ret = SYSINFO_RET_OK;
+		expected_string = expected_json;
+	}
+
+	zbx_init_agent_request(&request);
+	zbx_init_agent_result(&result);
+
+	if (SUCCEED != zbx_parse_item_key("net.if.discovery", &request))
+		fail_msg("Unexpected return code from zbx_parse_item_key()");
+
+	actual_ret = net_if_discovery(&request, &result);
+
+	zbx_free_agent_request(&request);
+
+	if (actual_ret != expected_ret)
+	{
+		fail_msg("Unexpected return code from net_if_discovery(): expected %s, got %s",
+				zbx_sysinfo_ret_string(expected_ret), zbx_sysinfo_ret_string(actual_ret));
+	}
+
+	/* we know the return code is one of these */
+	if (SYSINFO_RET_OK == actual_ret)
+		p_result = ZBX_GET_STR_RESULT(&result);
+	else
+		p_result = ZBX_GET_MSG_RESULT(&result);
+
+	if (NULL == p_result)
+		fail_msg("NULL result in AGENT_RESULT while expected \"%s\"", expected_string);
+
+	actual_string = *p_result;
+
+	if (0 != strcmp(expected_string, actual_string))
+		fail_msg("Unexpected result string: expected \"%s\", got \"%s\"", expected_string, actual_string);
+
+	zbx_free_agent_result(&result);
+}
+
+/* fails on error, sets *value to NULL if parameter not found */
+static void	get_out_parameter(const char *name, const char **value)
+{
+	zbx_mock_handle_t	handle;
+	zbx_mock_error_t	error;
+
+	*value = NULL;
+
+	if (ZBX_MOCK_NO_PARAMETER != (error = zbx_mock_out_parameter(name, &handle)) && ZBX_MOCK_SUCCESS != error)
+		FAIL_PARAM(name, error);
+	else if (ZBX_MOCK_SUCCESS == error && ZBX_MOCK_SUCCESS != (error = zbx_mock_string(handle, value)))
+		FAIL_PARAM(name, error);
+}