tests/unit/test_string_utils.c

   1 /*
   2  * Copyright (C) 2017 Philippe Proulx <pproulx@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #include <stdlib.h>
   9 #include <stdbool.h>
  10 #include <assert.h>
  11 #include <string.h>
  12 #include <stdarg.h>
  13 #include <common/string-utils/string-utils.h>
  14 #include <tap/tap.h>
  15
  16 /* Number of TAP tests in this file */
  17 #define NUM_TESTS 69
  18
  19 /* For error.h */
  20 int lttng_opt_quiet = 1;
  21 int lttng_opt_verbose;
  22 int lttng_opt_mi;
  23
  24 static void test_one_split(const char *input, char delim, int escape_delim,
  25                 ...)
  26 {
  27         va_list vl;
  28         bool all_ok = true;
  29         struct lttng_dynamic_pointer_array strings;
  30         int split_ret;
  31         size_t i, string_count;
  32
  33         split_ret = strutils_split(input, delim, escape_delim, &strings);
  34         assert(split_ret == 0);
  35         va_start(vl, escape_delim);
  36
  37         string_count = lttng_dynamic_pointer_array_get_count(&strings);
  38
  39         for (i = 0; i < string_count; i++) {
  40                 const char *expected_substring = va_arg(vl, const char *);
  41                 const char *substring =
  42                                 lttng_dynamic_pointer_array_get_pointer(
  43                                                 &strings, i);
  44
  45                 diag("  got `%s`, expecting `%s`", substring, expected_substring);
  46
  47                 if (!expected_substring) {
  48                         all_ok = false;
  49                         break;
  50                 }
  51
  52                 if (strcmp(substring, expected_substring) != 0) {
  53                         all_ok = false;
  54                         break;
  55                 }
  56         }
  57
  58         lttng_dynamic_pointer_array_reset(&strings);
  59         va_end(vl);
  60         ok(all_ok, "strutils_split() produces the expected substrings: `%s` (delim. `%c`, escape `%d`)",
  61                         input, delim, escape_delim);
  62 }
  63
  64 static void test_split(void)
  65 {
  66         test_one_split("a/b/c/d/e", '/', false, "a", "b", "c", "d", "e", NULL);
  67         test_one_split("a/b//d/e", '/', false, "a", "b", "", "d", "e", NULL);
  68         test_one_split("/b/c/d/e", '/', false, "", "b", "c", "d", "e", NULL);
  69         test_one_split("a/b/c/d/", '/', false, "a", "b", "c", "d", "", NULL);
  70         test_one_split("/b/c/d/", '/', false, "", "b", "c", "d", "", NULL);
  71         test_one_split("", '/', false, "", NULL);
  72         test_one_split("/", '/', false, "", "", NULL);
  73         test_one_split("//", '/', false, "", "", "", NULL);
  74         test_one_split("hello+world", '+', false, "hello", "world", NULL);
  75         test_one_split("hello\\+world", '+', false, "hello\\", "world", NULL);
  76         test_one_split("hello\\+world", '+', true, "hello+world", NULL);
  77         test_one_split("hello\\++world", '+', true, "hello+", "world", NULL);
  78         test_one_split("hello\\\\++world", '+', true, "hello\\\\", "", "world", NULL);
  79         test_one_split("hello+world\\", '+', false, "hello", "world\\", NULL);
  80         test_one_split("hello+world\\", '+', true, "hello", "world\\", NULL);
  81         test_one_split("\\+", '+', false, "\\", "", NULL);
  82         test_one_split("\\+", '+', true, "+", NULL);
  83 }
  84
  85 static void test_one_is_star_at_the_end_only_glob_pattern(const char *pattern, bool expected)
  86 {
  87         ok(strutils_is_star_at_the_end_only_glob_pattern(pattern) == expected,
  88                 "strutils_is_star_at_the_end_only_glob_pattern() returns the expected result: `%s` -> %d",
  89                 pattern, expected);
  90 }
  91
  92 static void test_is_star_at_the_end_only_glob_pattern(void)
  93 {
  94         test_one_is_star_at_the_end_only_glob_pattern("allo*", true);
  95         test_one_is_star_at_the_end_only_glob_pattern("allo\\\\*", true);
  96         test_one_is_star_at_the_end_only_glob_pattern("allo", false);
  97         test_one_is_star_at_the_end_only_glob_pattern("al*lo", false);
  98         test_one_is_star_at_the_end_only_glob_pattern("al\\*lo", false);
  99         test_one_is_star_at_the_end_only_glob_pattern("*allo", false);
 100         test_one_is_star_at_the_end_only_glob_pattern("al*lo*", false);
 101         test_one_is_star_at_the_end_only_glob_pattern("allo**", false);
 102         test_one_is_star_at_the_end_only_glob_pattern("allo*\\*", false);
 103         test_one_is_star_at_the_end_only_glob_pattern("allo\\*", false);
 104 }
 105
 106 static void test_one_is_star_glob_pattern(const char *pattern, bool expected)
 107 {
 108         ok(strutils_is_star_glob_pattern(pattern) == expected,
 109                 "strutils_is_star_glob_pattern() returns the expected result: `%s` -> %d",
 110                 pattern, expected);
 111 }
 112
 113 static void test_is_star_glob_pattern(void)
 114 {
 115         test_one_is_star_glob_pattern("allo*", true);
 116         test_one_is_star_glob_pattern("*allo", true);
 117         test_one_is_star_glob_pattern("*allo*", true);
 118         test_one_is_star_glob_pattern("*al*lo*", true);
 119         test_one_is_star_glob_pattern("al\\**lo", true);
 120         test_one_is_star_glob_pattern("al\\*l*o", true);
 121         test_one_is_star_glob_pattern("all*o\\", true);
 122         test_one_is_star_glob_pattern("*", true);
 123         test_one_is_star_glob_pattern("\\\\*", true);
 124         test_one_is_star_glob_pattern("allo", false);
 125         test_one_is_star_glob_pattern("allo\\*", false);
 126         test_one_is_star_glob_pattern("al\\*lo", false);
 127         test_one_is_star_glob_pattern("\\*allo", false);
 128         test_one_is_star_glob_pattern("\\*", false);
 129         test_one_is_star_glob_pattern("allo\\", false);
 130 }
 131
 132 static void test_one_normalize_star_glob_pattern(const char *pattern,
 133                 const char *expected)
 134 {
 135         char *rw_pattern = strdup(pattern);
 136
 137         assert(rw_pattern);
 138         strutils_normalize_star_glob_pattern(rw_pattern);
 139         ok(strcmp(rw_pattern, expected) == 0,
 140                 "strutils_normalize_star_glob_pattern() produces the expected result: `%s` -> `%s`",
 141                 pattern, expected);
 142         free(rw_pattern);
 143 }
 144
 145 static void test_normalize_star_glob_pattern(void)
 146 {
 147         test_one_normalize_star_glob_pattern("salut", "salut");
 148         test_one_normalize_star_glob_pattern("sal*ut", "sal*ut");
 149         test_one_normalize_star_glob_pattern("sal**ut", "sal*ut");
 150         test_one_normalize_star_glob_pattern("sal***ut", "sal*ut");
 151         test_one_normalize_star_glob_pattern("*salut", "*salut");
 152         test_one_normalize_star_glob_pattern("**salut", "*salut");
 153         test_one_normalize_star_glob_pattern("***salut", "*salut");
 154         test_one_normalize_star_glob_pattern("salut*", "salut*");
 155         test_one_normalize_star_glob_pattern("salut**", "salut*");
 156         test_one_normalize_star_glob_pattern("salut***", "salut*");
 157         test_one_normalize_star_glob_pattern("sa\\*lut", "sa\\*lut");
 158         test_one_normalize_star_glob_pattern("sa\\**lut", "sa\\**lut");
 159         test_one_normalize_star_glob_pattern("sa*\\**lut", "sa*\\**lut");
 160         test_one_normalize_star_glob_pattern("sa*\\***lut", "sa*\\**lut");
 161         test_one_normalize_star_glob_pattern("\\*salu**t", "\\*salu*t");
 162         test_one_normalize_star_glob_pattern("\\*salut**", "\\*salut*");
 163         test_one_normalize_star_glob_pattern("\\*salut**\\*", "\\*salut*\\*");
 164         test_one_normalize_star_glob_pattern("\\*salut", "\\*salut");
 165         test_one_normalize_star_glob_pattern("\\***salut", "\\**salut");
 166         test_one_normalize_star_glob_pattern("salut\\", "salut\\");
 167         test_one_normalize_star_glob_pattern("salut\\**", "salut\\**");
 168         test_one_normalize_star_glob_pattern("salut\\\\*", "salut\\\\*");
 169         test_one_normalize_star_glob_pattern("salut\\\\***", "salut\\\\*");
 170         test_one_normalize_star_glob_pattern("*", "*");
 171         test_one_normalize_star_glob_pattern("**", "*");
 172         test_one_normalize_star_glob_pattern("***", "*");
 173         test_one_normalize_star_glob_pattern("**\\***", "*\\**");
 174 }
 175
 176 int main(int argc, char **argv)
 177 {
 178         plan_tests(NUM_TESTS);
 179         diag("String utils unit tests");
 180         test_normalize_star_glob_pattern();
 181         test_is_star_glob_pattern();
 182         test_is_star_at_the_end_only_glob_pattern();
 183         test_split();
 184
 185         return exit_status();
 186 }