1 files changed, 109 insertions, 0 deletions

diff --git a/tests/libs/zbxsysinfo/linux/kernel_common.c b/tests/libs/zbxsysinfo/linux/kernel_common.c
new file mode 100644
index 00000000000..1f174abad3d
--- /dev/null
+++ b/tests/libs/zbxsysinfo/linux/kernel_common.c
@@ -0,0 +1,109 @@
+/*
+** 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 "kernel_common.h"
+#include "zbxmocktest.h"
+#include "zbxmockdata.h"
+
+#include "zbxsysinfo.h"
+#include "../../../../src/libs/zbxsysinfo/sysinfo.h"
+#include "zbxnum.h"
+
+void	zbx_mock_test_entry_kernel_common(void **state, int kernel_func)
+{
+	AGENT_REQUEST		request;
+	AGENT_RESULT		param_result;
+	zbx_mock_error_t	error;
+	zbx_mock_handle_t	param_handle;
+	const char		*expected_param_value_string, *expected_return_string;
+	zbx_uint64_t		expected_param_value = 0;
+	int			expected_result = SYSINFO_RET_FAIL, actual_result;
+
+	ZBX_UNUSED(state);
+
+	if (ZBX_MOCK_SUCCESS != (error = zbx_mock_out_parameter("return", &param_handle)) ||
+			ZBX_MOCK_SUCCESS != (error = zbx_mock_string(param_handle, &expected_return_string)))
+	{
+		fail_msg("Cannot get expected 'return' parameter from test case data: %s",
+				zbx_mock_error_string(error));
+	}
+
+	if (0 == strcmp("SYSINFO_RET_OK", expected_return_string))
+		expected_result = SYSINFO_RET_OK;
+	else if (0 == strcmp("SYSINFO_RET_FAIL", expected_return_string))
+		expected_result = SYSINFO_RET_FAIL;
+	else
+		fail_msg("Get unexpected 'return' parameter from test case data: %s", expected_return_string);
+
+	if (ZBX_MOCK_SUCCESS != (error = zbx_mock_out_parameter("result", &param_handle)) ||
+			ZBX_MOCK_SUCCESS != (error = zbx_mock_string(param_handle, &expected_param_value_string)))
+	{
+		fail_msg("Cannot get expected 'result' parameter from test case data: %s",
+				zbx_mock_error_string(error));
+	}
+
+	if (FAIL == zbx_is_uint64(expected_param_value_string, &expected_param_value) &&
+			SYSINFO_RET_OK == expected_result)
+	{
+		fail_msg("Cannot get expected numeric parameter from test case data: %s", expected_param_value_string);
+	}
+
+	zbx_init_agent_request(&request);
+	zbx_init_agent_result(&param_result);
+
+	if (ZABBIX_MOCK_KERNEL_MAXPROC == kernel_func)
+		actual_result = kernel_maxproc(&request, &param_result);
+	else if (ZABBIX_MOCK_KERNEL_MAXFILES == kernel_func)
+		actual_result = kernel_maxfiles(&request, &param_result);
+	else
+		fail_msg("Invalid kernel_func");
+
+	if (expected_result != actual_result)
+	{
+		fail_msg("Got %s instead of %s as a result.", zbx_sysinfo_ret_string(actual_result),
+				zbx_sysinfo_ret_string(expected_result));
+	}
+
+	if (SYSINFO_RET_OK == expected_result)
+	{
+		if (NULL == ZBX_GET_UI64_RESULT(&param_result))
+			fail_msg("Got 'NULL' instead of '%s' as a value.", expected_param_value_string);
+
+		if (expected_param_value != *ZBX_GET_UI64_RESULT(&param_result))
+		{
+			fail_msg("Got '" ZBX_FS_UI64 "' instead of '%s' as a value.", *ZBX_GET_UI64_RESULT(&param_result),
+					expected_param_value_string);
+		}
+	}
+
+	if (SYSINFO_RET_FAIL == expected_result)
+	{
+		if (NULL == ZBX_GET_MSG_RESULT(&param_result) || 0 != strcmp(expected_param_value_string,
+				*ZBX_GET_MSG_RESULT(&param_result)))
+		{
+			fail_msg("Got '%s' instead of '%s' as a value.",
+					(NULL != ZBX_GET_MSG_RESULT(&param_result) ?
+						*ZBX_GET_MSG_RESULT(&param_result) : "NULL"),
+					expected_param_value_string);
+		}
+	}
+
+	zbx_free_agent_request(&request);
+	zbx_free_agent_result(&param_result);
+}