+++ /dev/null
-/**
- * collectd - src/tests/test_common.c
- * Copyright (C) 2013 Florian octo Forster
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Florian octo Forster <octo at collectd.org>
- */
-
-#include "common.h"
-#include "testing.h"
-
-#if HAVE_KSTAT_H
-#include <kstat.h>
-#endif
-
-#if HAVE_LIBKSTAT
-kstat_ctl_t *kc;
-#endif /* HAVE_LIBKSTAT */
-
-DEF_TEST(sstrncpy) {
- char buffer[16] = "";
- char *ptr = &buffer[4];
- char *ret;
-
- buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0xff;
- buffer[12] = buffer[13] = buffer[14] = buffer[15] = 0xff;
-
- ret = sstrncpy(ptr, "foobar", 8);
- OK(ret == ptr);
- EXPECT_EQ_STR("foobar", ptr);
- OK(buffer[3] == buffer[12]);
-
- ret = sstrncpy(ptr, "abc", 8);
- OK(ret == ptr);
- EXPECT_EQ_STR("abc", ptr);
- OK(buffer[3] == buffer[12]);
-
- ret = sstrncpy(ptr, "collectd", 8);
- OK(ret == ptr);
- OK(ptr[7] == 0);
- EXPECT_EQ_STR("collect", ptr);
- OK(buffer[3] == buffer[12]);
-
- return 0;
-}
-
-DEF_TEST(sstrdup) {
- char *ptr;
-
- ptr = sstrdup("collectd");
- OK(ptr != NULL);
- EXPECT_EQ_STR("collectd", ptr);
-
- sfree(ptr);
-
- ptr = sstrdup(NULL);
- OK(ptr == NULL);
-
- return 0;
-}
-
-DEF_TEST(strsplit) {
- char buffer[32];
- char *fields[8];
- int status;
-
- strncpy(buffer, "foo bar", sizeof(buffer));
- status = strsplit(buffer, fields, 8);
- OK(status == 2);
- EXPECT_EQ_STR("foo", fields[0]);
- EXPECT_EQ_STR("bar", fields[1]);
-
- strncpy(buffer, "foo \t bar", sizeof(buffer));
- status = strsplit(buffer, fields, 8);
- OK(status == 2);
- EXPECT_EQ_STR("foo", fields[0]);
- EXPECT_EQ_STR("bar", fields[1]);
-
- strncpy(buffer, "one two\tthree\rfour\nfive", sizeof(buffer));
- status = strsplit(buffer, fields, 8);
- OK(status == 5);
- EXPECT_EQ_STR("one", fields[0]);
- EXPECT_EQ_STR("two", fields[1]);
- EXPECT_EQ_STR("three", fields[2]);
- EXPECT_EQ_STR("four", fields[3]);
- EXPECT_EQ_STR("five", fields[4]);
-
- strncpy(buffer, "\twith trailing\n", sizeof(buffer));
- status = strsplit(buffer, fields, 8);
- OK(status == 2);
- EXPECT_EQ_STR("with", fields[0]);
- EXPECT_EQ_STR("trailing", fields[1]);
-
- strncpy(buffer, "1 2 3 4 5 6 7 8 9 10 11 12 13", sizeof(buffer));
- status = strsplit(buffer, fields, 8);
- OK(status == 8);
- EXPECT_EQ_STR("7", fields[6]);
- EXPECT_EQ_STR("8", fields[7]);
-
- strncpy(buffer, "single", sizeof(buffer));
- status = strsplit(buffer, fields, 8);
- OK(status == 1);
- EXPECT_EQ_STR("single", fields[0]);
-
- strncpy(buffer, "", sizeof(buffer));
- status = strsplit(buffer, fields, 8);
- OK(status == 0);
-
- return 0;
-}
-
-DEF_TEST(strjoin) {
- struct {
- char **fields;
- size_t fields_num;
- char *separator;
-
- int want_return;
- char *want_buffer;
- } cases[] = {
- /* Normal case. */
- {(char *[]){"foo", "bar"}, 2, "!", 7, "foo!bar"},
- /* One field only. */
- {(char *[]){"foo"}, 1, "!", 3, "foo"},
- /* No fields at all. */
- {NULL, 0, "!", 0, ""},
- /* Longer separator. */
- {(char *[]){"foo", "bar"}, 2, "rcht", 10, "foorchtbar"},
- /* Empty separator. */
- {(char *[]){"foo", "bar"}, 2, "", 6, "foobar"},
- /* NULL separator. */
- {(char *[]){"foo", "bar"}, 2, NULL, 6, "foobar"},
- /* buffer not large enough -> string is truncated. */
- {(char *[]){"aaaaaa", "bbbbbb", "c!"}, 3, "-", 16, "aaaaaa-bbbbbb-c"},
- /* buffer not large enough -> last field fills buffer completely. */
- {(char *[]){"aaaaaaa", "bbbbbbb", "!"}, 3, "-", 17, "aaaaaaa-bbbbbbb"},
- /* buffer not large enough -> string does *not* end in separator. */
- {(char *[]){"aaaa", "bbbb", "cccc", "!"}, 4, "-", 16, "aaaa-bbbb-cccc"},
- /* buffer not large enough -> string does not end with partial
- separator. */
- {(char *[]){"aaaaaa", "bbbbbb", "!"}, 3, "+-", 17, "aaaaaa+-bbbbbb"},
- };
-
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
- char buffer[16];
- int status;
-
- memset(buffer, 0xFF, sizeof(buffer));
- status = strjoin(buffer, sizeof(buffer), cases[i].fields,
- cases[i].fields_num, cases[i].separator);
- EXPECT_EQ_INT(cases[i].want_return, status);
- EXPECT_EQ_STR(cases[i].want_buffer, buffer);
- }
-
- /* use (NULL, 0) to determine required buffer size. */
- EXPECT_EQ_INT(3, strjoin(NULL, 0, (char *[]){"a", "b"}, 2, "-"));
-
- return 0;
-}
-
-DEF_TEST(escape_slashes) {
- struct {
- char *str;
- char *want;
- } cases[] = {
- {"foo/bar/baz", "foo_bar_baz"},
- {"/like/a/path", "like_a_path"},
- {"trailing/slash/", "trailing_slash_"},
- {"foo//bar", "foo__bar"},
- };
-
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
- char buffer[32];
-
- strncpy(buffer, cases[i].str, sizeof(buffer));
- OK(escape_slashes(buffer, sizeof(buffer)) == 0);
- EXPECT_EQ_STR(cases[i].want, buffer);
- }
-
- return 0;
-}
-
-DEF_TEST(escape_string) {
- struct {
- char *str;
- char *want;
- } cases[] = {
- {"foobar", "foobar"},
- {"f00bar", "f00bar"},
- {"foo bar", "\"foo bar\""},
- {"foo \"bar\"", "\"foo \\\"bar\\\"\""},
- {"012345678901234", "012345678901234"},
- {"012345 78901234", "\"012345 789012\""},
- {"012345 78901\"34", "\"012345 78901\""},
- };
-
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
- char buffer[16];
-
- strncpy(buffer, cases[i].str, sizeof(buffer));
- OK(escape_string(buffer, sizeof(buffer)) == 0);
- EXPECT_EQ_STR(cases[i].want, buffer);
- }
-
- return 0;
-}
-
-DEF_TEST(strunescape) {
- char buffer[16];
- int status;
-
- strncpy(buffer, "foo\\tbar", sizeof(buffer));
- status = strunescape(buffer, sizeof(buffer));
- OK(status == 0);
- EXPECT_EQ_STR("foo\tbar", buffer);
-
- strncpy(buffer, "\\tfoo\\r\\n", sizeof(buffer));
- status = strunescape(buffer, sizeof(buffer));
- OK(status == 0);
- EXPECT_EQ_STR("\tfoo\r\n", buffer);
-
- strncpy(buffer, "With \\\"quotes\\\"", sizeof(buffer));
- status = strunescape(buffer, sizeof(buffer));
- OK(status == 0);
- EXPECT_EQ_STR("With \"quotes\"", buffer);
-
- /* Backslash before null byte */
- strncpy(buffer, "\\tbackslash end\\", sizeof(buffer));
- status = strunescape(buffer, sizeof(buffer));
- OK(status != 0);
- EXPECT_EQ_STR("\tbackslash end", buffer);
- return 0;
-
- /* Backslash at buffer end */
- strncpy(buffer, "\\t3\\56", sizeof(buffer));
- status = strunescape(buffer, 4);
- OK(status != 0);
- OK(buffer[0] == '\t');
- OK(buffer[1] == '3');
- OK(buffer[2] == 0);
- OK(buffer[3] == 0);
- OK(buffer[4] == '5');
- OK(buffer[5] == '6');
- OK(buffer[6] == '7');
-
- return 0;
-}
-
-DEF_TEST(parse_values) {
- struct {
- char buffer[64];
- int status;
- gauge_t value;
- } cases[] = {
- {"1435044576:42", 0, 42.0}, {"1435044576:42:23", -1, NAN},
- {"1435044576:U", 0, NAN}, {"N:12.3", 0, 12.3},
- {"N:42.0:23", -1, NAN}, {"N:U", 0, NAN},
- {"T:42.0", -1, NAN},
- };
-
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
- data_source_t dsrc = {
- .name = "value", .type = DS_TYPE_GAUGE, .min = 0.0, .max = NAN,
- };
- data_set_t ds = {
- .type = "example", .ds_num = 1, .ds = &dsrc,
- };
-
- value_t v = {
- .gauge = NAN,
- };
- value_list_t vl = {
- .values = &v,
- .values_len = 1,
- .time = 0,
- .interval = 0,
- .host = "example.com",
- .plugin = "common_test",
- .type = "example",
- .meta = NULL,
- };
-
- int status = parse_values(cases[i].buffer, &vl, &ds);
- EXPECT_EQ_INT(cases[i].status, status);
- if (status != 0)
- continue;
-
- EXPECT_EQ_DOUBLE(cases[i].value, vl.values[0].gauge);
- }
-
- return 0;
-}
-
-DEF_TEST(value_to_rate) {
- struct {
- time_t t0;
- time_t t1;
- int ds_type;
- value_t v0;
- value_t v1;
- gauge_t want;
- } cases[] = {
- {0, 10, DS_TYPE_DERIVE, {.derive = 0}, {.derive = 1000}, NAN},
- {10, 20, DS_TYPE_DERIVE, {.derive = 1000}, {.derive = 2000}, 100.0},
- {20, 30, DS_TYPE_DERIVE, {.derive = 2000}, {.derive = 1800}, -20.0},
- {0, 10, DS_TYPE_COUNTER, {.counter = 0}, {.counter = 1000}, NAN},
- {10, 20, DS_TYPE_COUNTER, {.counter = 1000}, {.counter = 5000}, 400.0},
- /* 32bit wrap-around. */
- {20,
- 30,
- DS_TYPE_COUNTER,
- {.counter = 4294967238ULL},
- {.counter = 42},
- 10.0},
- /* 64bit wrap-around. */
- {30,
- 40,
- DS_TYPE_COUNTER,
- {.counter = 18446744073709551558ULL},
- {.counter = 42},
- 10.0},
- };
-
- for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
- cdtime_t t0 = TIME_T_TO_CDTIME_T(cases[i].t0);
- value_to_rate_state_t state = {
- .last_value = cases[i].v0, .last_time = t0,
- };
- gauge_t got;
-
- if (cases[i].t0 == 0) {
- EXPECT_EQ_INT(EAGAIN,
- value_to_rate(&got, cases[i].v1, cases[i].ds_type,
- TIME_T_TO_CDTIME_T(cases[i].t1), &state));
- continue;
- }
-
- EXPECT_EQ_INT(0, value_to_rate(&got, cases[i].v1, cases[i].ds_type,
- TIME_T_TO_CDTIME_T(cases[i].t1), &state));
- EXPECT_EQ_DOUBLE(cases[i].want, got);
- }
-
- return 0;
-}
-
-int main(void) {
- RUN_TEST(sstrncpy);
- RUN_TEST(sstrdup);
- RUN_TEST(strsplit);
- RUN_TEST(strjoin);
- RUN_TEST(escape_slashes);
- RUN_TEST(escape_string);
- RUN_TEST(strunescape);
- RUN_TEST(parse_values);
- RUN_TEST(value_to_rate);
-
- END_TEST;
-}
projects / collectd.git / blobdiff