2 * collectd - src/tests/test_common.c
3 * Copyright (C) 2013 Florian octo Forster
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Florian octo Forster <octo at collectd.org>
32 #endif /* HAVE_LIBKSTAT */
36 char *ptr = &buffer[4];
39 buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0xff;
40 buffer[12] = buffer[13] = buffer[14] = buffer[15] = 0xff;
42 ret = sstrncpy(ptr, "foobar", 8);
44 EXPECT_EQ_STR("foobar", ptr);
45 OK(buffer[3] == buffer[12]);
47 ret = sstrncpy(ptr, "abc", 8);
49 EXPECT_EQ_STR("abc", ptr);
50 OK(buffer[3] == buffer[12]);
52 ret = sstrncpy(ptr, "collectd", 8);
55 EXPECT_EQ_STR("collect", ptr);
56 OK(buffer[3] == buffer[12]);
64 ptr = sstrdup("collectd");
66 EXPECT_EQ_STR("collectd", ptr);
81 strncpy(buffer, "foo bar", sizeof(buffer));
82 status = strsplit(buffer, fields, 8);
84 EXPECT_EQ_STR("foo", fields[0]);
85 EXPECT_EQ_STR("bar", fields[1]);
87 strncpy(buffer, "foo \t bar", sizeof(buffer));
88 status = strsplit(buffer, fields, 8);
90 EXPECT_EQ_STR("foo", fields[0]);
91 EXPECT_EQ_STR("bar", fields[1]);
93 strncpy(buffer, "one two\tthree\rfour\nfive", sizeof(buffer));
94 status = strsplit(buffer, fields, 8);
96 EXPECT_EQ_STR("one", fields[0]);
97 EXPECT_EQ_STR("two", fields[1]);
98 EXPECT_EQ_STR("three", fields[2]);
99 EXPECT_EQ_STR("four", fields[3]);
100 EXPECT_EQ_STR("five", fields[4]);
102 strncpy(buffer, "\twith trailing\n", sizeof(buffer));
103 status = strsplit(buffer, fields, 8);
105 EXPECT_EQ_STR("with", fields[0]);
106 EXPECT_EQ_STR("trailing", fields[1]);
108 strncpy(buffer, "1 2 3 4 5 6 7 8 9 10 11 12 13", sizeof(buffer));
109 status = strsplit(buffer, fields, 8);
111 EXPECT_EQ_STR("7", fields[6]);
112 EXPECT_EQ_STR("8", fields[7]);
114 strncpy(buffer, "single", sizeof(buffer));
115 status = strsplit(buffer, fields, 8);
117 EXPECT_EQ_STR("single", fields[0]);
119 strncpy(buffer, "", sizeof(buffer));
120 status = strsplit(buffer, fields, 8);
136 {(char *[]){"foo", "bar"}, 2, "!", 7, "foo!bar"},
137 /* One field only. */
138 {(char *[]){"foo"}, 1, "!", 3, "foo"},
139 /* No fields at all. */
140 {NULL, 0, "!", 0, ""},
141 /* Longer separator. */
142 {(char *[]){"foo", "bar"}, 2, "rcht", 10, "foorchtbar"},
143 /* Empty separator. */
144 {(char *[]){"foo", "bar"}, 2, "", 6, "foobar"},
145 /* NULL separator. */
146 {(char *[]){"foo", "bar"}, 2, NULL, 6, "foobar"},
147 /* buffer not large enough -> string is truncated. */
148 {(char *[]){"aaaaaa", "bbbbbb", "c!"}, 3, "-", 16, "aaaaaa-bbbbbb-c"},
149 /* buffer not large enough -> last field fills buffer completely. */
150 {(char *[]){"aaaaaaa", "bbbbbbb", "!"}, 3, "-", 17, "aaaaaaa-bbbbbbb"},
151 /* buffer not large enough -> string does *not* end in separator. */
152 {(char *[]){"aaaa", "bbbb", "cccc", "!"}, 4, "-", 16, "aaaa-bbbb-cccc"},
153 /* buffer not large enough -> string does not end with partial
155 {(char *[]){"aaaaaa", "bbbbbb", "!"}, 3, "+-", 17, "aaaaaa+-bbbbbb"},
158 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
162 memset(buffer, 0xFF, sizeof(buffer));
163 status = strjoin(buffer, sizeof(buffer), cases[i].fields,
164 cases[i].fields_num, cases[i].separator);
165 EXPECT_EQ_INT(cases[i].want_return, status);
166 EXPECT_EQ_STR(cases[i].want_buffer, buffer);
169 /* use (NULL, 0) to determine required buffer size. */
170 EXPECT_EQ_INT(3, strjoin(NULL, 0, (char *[]){"a", "b"}, 2, "-"));
175 DEF_TEST(escape_slashes) {
180 {"foo/bar/baz", "foo_bar_baz"},
181 {"/like/a/path", "like_a_path"},
182 {"trailing/slash/", "trailing_slash_"},
183 {"foo//bar", "foo__bar"},
186 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
189 strncpy(buffer, cases[i].str, sizeof(buffer));
190 OK(escape_slashes(buffer, sizeof(buffer)) == 0);
191 EXPECT_EQ_STR(cases[i].want, buffer);
197 DEF_TEST(escape_string) {
202 {"foobar", "foobar"},
203 {"f00bar", "f00bar"},
204 {"foo bar", "\"foo bar\""},
205 {"foo \"bar\"", "\"foo \\\"bar\\\"\""},
206 {"012345678901234", "012345678901234"},
207 {"012345 78901234", "\"012345 789012\""},
208 {"012345 78901\"34", "\"012345 78901\""},
211 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
214 strncpy(buffer, cases[i].str, sizeof(buffer));
215 OK(escape_string(buffer, sizeof(buffer)) == 0);
216 EXPECT_EQ_STR(cases[i].want, buffer);
222 DEF_TEST(strunescape) {
226 strncpy(buffer, "foo\\tbar", sizeof(buffer));
227 status = strunescape(buffer, sizeof(buffer));
229 EXPECT_EQ_STR("foo\tbar", buffer);
231 strncpy(buffer, "\\tfoo\\r\\n", sizeof(buffer));
232 status = strunescape(buffer, sizeof(buffer));
234 EXPECT_EQ_STR("\tfoo\r\n", buffer);
236 strncpy(buffer, "With \\\"quotes\\\"", sizeof(buffer));
237 status = strunescape(buffer, sizeof(buffer));
239 EXPECT_EQ_STR("With \"quotes\"", buffer);
241 /* Backslash before null byte */
242 strncpy(buffer, "\\tbackslash end\\", sizeof(buffer));
243 status = strunescape(buffer, sizeof(buffer));
245 EXPECT_EQ_STR("\tbackslash end", buffer);
248 /* Backslash at buffer end */
249 strncpy(buffer, "\\t3\\56", sizeof(buffer));
250 status = strunescape(buffer, 4);
252 OK(buffer[0] == '\t');
253 OK(buffer[1] == '3');
256 OK(buffer[4] == '5');
257 OK(buffer[5] == '6');
258 OK(buffer[6] == '7');
263 DEF_TEST(parse_values) {
269 {"1435044576:42", 0, 42.0}, {"1435044576:42:23", -1, NAN},
270 {"1435044576:U", 0, NAN}, {"N:12.3", 0, 12.3},
271 {"N:42.0:23", -1, NAN}, {"N:U", 0, NAN},
275 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
276 data_source_t dsrc = {
277 .name = "value", .type = DS_TYPE_GAUGE, .min = 0.0, .max = NAN,
280 .type = "example", .ds_num = 1, .ds = &dsrc,
291 .host = "example.com",
292 .plugin = "common_test",
297 int status = parse_values(cases[i].buffer, &vl, &ds);
298 EXPECT_EQ_INT(cases[i].status, status);
302 EXPECT_EQ_DOUBLE(cases[i].value, vl.values[0].gauge);
308 DEF_TEST(value_to_rate) {
317 {0, 10, DS_TYPE_DERIVE, {.derive = 0}, {.derive = 1000}, NAN},
318 {10, 20, DS_TYPE_DERIVE, {.derive = 1000}, {.derive = 2000}, 100.0},
319 {20, 30, DS_TYPE_DERIVE, {.derive = 2000}, {.derive = 1800}, -20.0},
320 {0, 10, DS_TYPE_COUNTER, {.counter = 0}, {.counter = 1000}, NAN},
321 {10, 20, DS_TYPE_COUNTER, {.counter = 1000}, {.counter = 5000}, 400.0},
322 /* 32bit wrap-around. */
326 {.counter = 4294967238ULL},
329 /* 64bit wrap-around. */
333 {.counter = 18446744073709551558ULL},
338 for (size_t i = 0; i < STATIC_ARRAY_SIZE(cases); i++) {
339 cdtime_t t0 = TIME_T_TO_CDTIME_T(cases[i].t0);
340 value_to_rate_state_t state = {
341 .last_value = cases[i].v0, .last_time = t0,
345 if (cases[i].t0 == 0) {
346 EXPECT_EQ_INT(EAGAIN,
347 value_to_rate(&got, cases[i].v1, cases[i].ds_type,
348 TIME_T_TO_CDTIME_T(cases[i].t1), &state));
352 EXPECT_EQ_INT(0, value_to_rate(&got, cases[i].v1, cases[i].ds_type,
353 TIME_T_TO_CDTIME_T(cases[i].t1), &state));
354 EXPECT_EQ_DOUBLE(cases[i].want, got);
365 RUN_TEST(escape_slashes);
366 RUN_TEST(escape_string);
367 RUN_TEST(strunescape);
368 RUN_TEST(parse_values);
369 RUN_TEST(value_to_rate);