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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2020 Intel Corporation
*/
#include <string.h>
#include "telemetry_json.h"
#include "test.h"
static int
test_basic_array(void)
{
const char *expected = "[\"meaning of life\",42]";
char buf[1024];
int used = 0;
printf("%s: ", __func__);
used = rte_tel_json_empty_array(buf, sizeof(buf), used);
if (used != 2 || strcmp(buf, "[]"))
return -1;
used = rte_tel_json_add_array_string(buf, sizeof(buf), used,
"meaning of life");
used = rte_tel_json_add_array_int(buf, sizeof(buf), used, 42);
printf("buf = '%s', expected = '%s'\n", buf, expected);
if (used != (int)strlen(expected))
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_basic_obj(void)
{
const char *expected = "{\"weddings\":4,\"funerals\":1}";
char buf[1024];
int used = 0;
used = rte_tel_json_add_obj_uint(buf, sizeof(buf), used,
"weddings", 4);
used = rte_tel_json_add_obj_uint(buf, sizeof(buf), used,
"funerals", 1);
printf("%s: buf = '%s', expected = '%s'\n", __func__, buf, expected);
if (used != (int)strlen(expected))
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_overflow_array(void)
{
static const char * const strs[] = {"Arsenal", "Chelsea", "Liverpool",
"Spurs"};
const char *expected = "[\"Arsenal\",\"Chelsea\"]";
char buf[25];
int i, used = 0;
for (i = 0; i < (int)RTE_DIM(strs); i++)
used = rte_tel_json_add_array_string(buf, sizeof(buf), used,
strs[i]);
printf("%s: buf = '%s', expected = '%s'\n", __func__, buf, expected);
if (buf[used - 1] != ']')
return -1;
if (used != (int)strlen(expected))
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_overflow_obj(void)
{
static const char * const names[] = {"Italy", "Wales", "Scotland",
"Ireland", "England", "France"};
const int vals[RTE_DIM(names)] = {20, 61, 10, 40, 55, 35};
const char *expected = "{\"Italy\":20,\"Wales\":61}";
char buf[25];
int i, used = 0;
for (i = 0; i < (int)RTE_DIM(names); i++)
used = rte_tel_json_add_obj_uint(buf, sizeof(buf), used, names[i], vals[i]);
printf("%s: buf = '%s', expected = '%s'\n", __func__, buf, expected);
if (buf[used - 1] != '}')
return -1;
if (used != (int)strlen(expected))
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_large_array_element(void)
{
static const char str[] = "A really long string to overflow buffer";
/* buffer should be unmodified so initial value and expected are same */
const char *expected = "ABC";
char buf[sizeof(str) - 5] = "ABC";
int used = 0;
used = rte_tel_json_add_array_string(buf, sizeof(buf), used, str);
printf("%s: buf = '%s', expected = '%s'\n", __func__, buf, expected);
if (used != 0)
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_large_obj_element(void)
{
static const char str[] = "A really long string to overflow buffer";
/* buffer should be unmodified so initial value and expected are same */
const char *expected = "XYZ";
char buf[sizeof(str) - 5] = "XYZ";
int used = 0;
used = rte_tel_json_add_obj_uint(buf, sizeof(buf), used, str, 0);
printf("%s: buf = '%s', expected = '%s'\n", __func__, buf, expected);
if (used != 0)
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_string_char_escaping(void)
{
static const char str[] = "A string across\ntwo lines and \"with quotes\"!";
const char *expected = "\"A string across\\ntwo lines and \\\"with quotes\\\"!\"";
char buf[sizeof(str) + 10] = "";
int used = 0;
used = rte_tel_json_str(buf, sizeof(buf), used, str);
printf("%s: buf = '%s', expected = '%s'\n", __func__, buf, expected);
if (used != (int)strlen(expected))
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_array_char_escaping(void)
{
/* "meaning of life", with tab between first two words, '\n' at end,
* and "life" in quotes, followed by "all the fish" in quotes
*/
const char *expected = "[\"meaning\\tof \\\"life\\\"\\n\",\"\\\"all the fish\\\"\"]";
char buf[1024];
int used = 0;
used = rte_tel_json_empty_array(buf, sizeof(buf), used);
if (used != 2 || strcmp(buf, "[]"))
return -1;
used = rte_tel_json_add_array_string(buf, sizeof(buf), used, "meaning\tof \"life\"\n");
used = rte_tel_json_add_array_string(buf, sizeof(buf), used, "\"all the fish\"");
printf("buf = '%s', expected = '%s'\n", buf, expected);
if (used != (int)strlen(expected))
return -1;
return strncmp(expected, buf, sizeof(buf));
}
static int
test_obj_char_escaping(void)
{
const char *expected = "{\"good\":\"Clint Eastwood\\n\","
"\"bad\":\"Lee\\tVan\\tCleef\","
"\"ugly\":\"\\rEli Wallach\"}";
char buf[1024];
int used = 0;
used = rte_tel_json_empty_obj(buf, sizeof(buf), used);
if (used != 2 || strcmp(buf, "{}"))
return -1;
used = rte_tel_json_add_obj_str(buf, sizeof(buf), used, "good", "Clint Eastwood\n");
used = rte_tel_json_add_obj_str(buf, sizeof(buf), used, "bad", "Lee\tVan\tCleef");
used = rte_tel_json_add_obj_str(buf, sizeof(buf), used, "ugly", "\rEli Wallach");
printf("buf = '%s', expected = '%s'\n", buf, expected);
if (used != (int)strlen(expected))
return -1;
return strncmp(expected, buf, sizeof(buf));
}
typedef int (*test_fn)(void);
static int
test_telemetry_json(void)
{
unsigned int i;
test_fn fns[] = {
test_basic_array,
test_basic_obj,
test_overflow_array,
test_overflow_obj,
test_large_array_element,
test_large_obj_element,
test_string_char_escaping,
test_array_char_escaping,
test_obj_char_escaping
};
for (i = 0; i < RTE_DIM(fns); i++)
if (fns[i]() == 0)
printf("OK\n");
else {
printf("ERROR\n");
return -1;
}
return 0;
}
REGISTER_FAST_TEST(telemetry_json_autotest, true, true, test_telemetry_json);
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