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/*
** Zabbix
** Copyright (C) 2001-2023 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 "zbxmockassert.h"
#include "zbxmockutil.h"
#include "zbxcommon.h"
#include "zbxjson.h"
#include "../../../src/libs/zbxjson/jsonpath.h"
#include "../../../src/libs/zbxjson/json.h"
static int mock_str_to_segment_type(const char *segment_type)
{
if (0 == strcmp("ZBX_JSONPATH_SEGMENT_MATCH_ALL", segment_type))
return ZBX_JSONPATH_SEGMENT_MATCH_ALL;
if (0 == strcmp("ZBX_JSONPATH_SEGMENT_MATCH_LIST", segment_type))
return ZBX_JSONPATH_SEGMENT_MATCH_LIST;
if (0 == strcmp("ZBX_JSONPATH_SEGMENT_MATCH_SLICE", segment_type))
return ZBX_JSONPATH_SEGMENT_MATCH_RANGE;
if (0 == strcmp("ZBX_JSONPATH_SEGMENT_MATCH_EXPRESSION", segment_type))
return ZBX_JSONPATH_SEGMENT_MATCH_EXPRESSION;
if (0 == strcmp("ZBX_JSONPATH_SEGMENT_FUNCTION", segment_type))
return ZBX_JSONPATH_SEGMENT_FUNCTION;
fail_msg("Unknown jsonpath segment type: %s", segment_type);
return -1;
}
static void jsonpath_token_print(char **data, size_t *data_alloc, size_t *data_offset,
const zbx_jsonpath_token_t *token)
{
switch (token->type)
{
case ZBX_JSONPATH_TOKEN_PATH_ABSOLUTE:
case ZBX_JSONPATH_TOKEN_PATH_RELATIVE:
case ZBX_JSONPATH_TOKEN_CONST_STR:
case ZBX_JSONPATH_TOKEN_CONST_NUM:
zbx_strcpy_alloc(data, data_alloc, data_offset, token->text);
break;
case ZBX_JSONPATH_TOKEN_PAREN_LEFT:
zbx_strcpy_alloc(data, data_alloc, data_offset, "(");
break;
case ZBX_JSONPATH_TOKEN_PAREN_RIGHT:
zbx_strcpy_alloc(data, data_alloc, data_offset, ")");
break;
case ZBX_JSONPATH_TOKEN_OP_PLUS:
zbx_strcpy_alloc(data, data_alloc, data_offset, "+");
break;
case ZBX_JSONPATH_TOKEN_OP_MINUS:
zbx_strcpy_alloc(data, data_alloc, data_offset, "-");
break;
case ZBX_JSONPATH_TOKEN_OP_MULT:
zbx_strcpy_alloc(data, data_alloc, data_offset, "*");
break;
case ZBX_JSONPATH_TOKEN_OP_DIV:
zbx_strcpy_alloc(data, data_alloc, data_offset, "/");
break;
case ZBX_JSONPATH_TOKEN_OP_EQ:
zbx_strcpy_alloc(data, data_alloc, data_offset, "==");
break;
case ZBX_JSONPATH_TOKEN_OP_NE:
zbx_strcpy_alloc(data, data_alloc, data_offset, "!=");
break;
case ZBX_JSONPATH_TOKEN_OP_GT:
zbx_strcpy_alloc(data, data_alloc, data_offset, ">");
break;
case ZBX_JSONPATH_TOKEN_OP_GE:
zbx_strcpy_alloc(data, data_alloc, data_offset, ">=");
break;
case ZBX_JSONPATH_TOKEN_OP_LT:
zbx_strcpy_alloc(data, data_alloc, data_offset, "<");
break;
case ZBX_JSONPATH_TOKEN_OP_LE:
zbx_strcpy_alloc(data, data_alloc, data_offset, "<=");
break;
case ZBX_JSONPATH_TOKEN_OP_NOT:
zbx_strcpy_alloc(data, data_alloc, data_offset, "!");
break;
case ZBX_JSONPATH_TOKEN_OP_AND:
zbx_strcpy_alloc(data, data_alloc, data_offset, "&&");
break;
case ZBX_JSONPATH_TOKEN_OP_OR:
zbx_strcpy_alloc(data, data_alloc, data_offset, "||");
break;
case ZBX_JSONPATH_TOKEN_OP_REGEXP:
zbx_strcpy_alloc(data, data_alloc, data_offset, "=~");
break;
default:
zbx_strcpy_alloc(data, data_alloc, data_offset, "?");
break;
}
}
static char *segment_data_to_str(const zbx_jsonpath_segment_t *segment)
{
const char *functions[] = {"unknown", "min()", "max()", "avg()", "length()", "first()",
"sum()", "~"};
char *data = NULL;
size_t data_alloc = 0, data_offset = 0;
int i;
zbx_jsonpath_list_node_t *node;
zbx_vector_ptr_t nodes;
switch (segment->type)
{
case ZBX_JSONPATH_SEGMENT_MATCH_ALL:
data = zbx_strdup(NULL, "*");
break;
case ZBX_JSONPATH_SEGMENT_MATCH_LIST:
zbx_vector_ptr_create(&nodes);
/* lists are kept in reverse order, invert it for clarity */
for (node = segment->data.list.values; NULL != node; node = node->next)
zbx_vector_ptr_append(&nodes, node);
for (i = nodes.values_num - 1; i >= 0; i--)
{
node = (zbx_jsonpath_list_node_t *)nodes.values[i];
if (ZBX_JSONPATH_LIST_NAME == segment->data.list.type)
{
zbx_snprintf_alloc(&data, &data_alloc, &data_offset, "\'%s'",
(char *)&node->data);
}
else
{
zbx_snprintf_alloc(&data, &data_alloc, &data_offset, "%d",
*(int *)&node->data);
}
if (0 != i)
zbx_chrcpy_alloc(&data, &data_alloc, &data_offset, ',');
}
zbx_vector_ptr_destroy(&nodes);
break;
case ZBX_JSONPATH_SEGMENT_MATCH_RANGE:
if (0 != (segment->data.range.flags & 0x01))
zbx_snprintf_alloc(&data, &data_alloc, &data_offset, "%d", segment->data.range.start);
zbx_chrcpy_alloc(&data, &data_alloc, &data_offset, ':');
if (0 != (segment->data.range.flags & 0x02))
zbx_snprintf_alloc(&data, &data_alloc, &data_offset, "%d", segment->data.range.end);
break;
case ZBX_JSONPATH_SEGMENT_MATCH_EXPRESSION:
for (i = 0; i < segment->data.expression.tokens.values_num; i++)
{
if (0 != i)
zbx_strcpy_alloc(&data, &data_alloc, &data_offset, " , ");
jsonpath_token_print(&data, &data_alloc, &data_offset,
segment->data.expression.tokens.values[i]);
}
break;
case ZBX_JSONPATH_SEGMENT_FUNCTION:
zbx_strcpy_alloc(&data, &data_alloc, &data_offset, functions[segment->data.function.type]);
break;
default:
data = zbx_strdup(NULL, "unknown");
break;
}
return data;
}
static void validate_segment(int index, const char *segment_type, const char *segment_data, int detached,
const zbx_jsonpath_segment_t *segment)
{
int type;
char prefix[MAX_STRING_LEN];
char *data = NULL;
zbx_snprintf(prefix, sizeof(prefix), "jsonpath segment #%d type", index + 1);
type = mock_str_to_segment_type(segment_type);
zbx_mock_assert_int_eq(prefix, type, segment->type);
zbx_snprintf(prefix, sizeof(prefix), "jsonpath segment #%d detached", index + 1);
zbx_mock_assert_int_eq(prefix, detached, segment->detached);
data = segment_data_to_str(segment);
zbx_snprintf(prefix, sizeof(prefix), "jsonpath segment #%d data", index + 1);
zbx_mock_assert_str_eq(prefix, segment_data, data);
zbx_free(data);
}
void zbx_mock_test_entry(void **state)
{
zbx_jsonpath_t jsonpath;
int returned_ret, expected_ret, index = 0;
zbx_mock_handle_t hsegments, hsegment, hdetached;
const char *segment_data, *segment_type, *value;
ZBX_UNUSED(state);
/* reset json error to check if compilation will set it */
zbx_set_json_strerror("%s", "");
returned_ret = zbx_jsonpath_compile(zbx_mock_get_parameter_string("in.path"), &jsonpath);
if (FAIL == returned_ret)
printf("zbx_jsonpath_compile() error: %s\n", zbx_json_strerror());
expected_ret = zbx_mock_str_to_return_code(zbx_mock_get_parameter_string("out.result"));
zbx_mock_assert_result_eq("zbx_jsonpath_compile() return value", expected_ret, returned_ret);
if (SUCCEED == returned_ret)
{
zbx_mock_assert_uint64_eq("jsonpath definite flag", zbx_mock_get_parameter_uint64("out.definite"),
jsonpath.definite);
hsegments = zbx_mock_get_parameter_handle("out.segments");
while (ZBX_MOCK_SUCCESS == zbx_mock_vector_element(hsegments, &hsegment))
{
int detached = 0;
zbx_mock_assert_int_ne("Too many path segments parsed", index, jsonpath.segments_num);
segment_type = zbx_mock_get_object_member_string(hsegment, "type");
segment_data = zbx_mock_get_object_member_string(hsegment, "data");
if (ZBX_MOCK_SUCCESS == zbx_mock_object_member(hsegment, "detached", &hdetached) &&
ZBX_MOCK_SUCCESS == zbx_mock_string(hdetached, &value))
{
detached = atoi(value);
}
validate_segment(index, segment_type, segment_data, detached, &jsonpath.segments[index]);
index++;
}
zbx_mock_assert_int_eq("Not enough path segments parsed", index, jsonpath.segments_num);
zbx_jsonpath_clear(&jsonpath);
}
else
zbx_mock_assert_str_ne("zbx_jsonpath_compile() error", "", zbx_json_strerror());
}