src/test/test-fstab-util.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2015 Zbigniew Jędrzejewski-Szmek
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include "alloc-util.h"
  21 #include "fstab-util.h"
  22 #include "log.h"
  23 #include "string-util.h"
  24 #include "util.h"
  25
  26 /*
  27 int fstab_filter_options(const char *opts, const char *names,
  28                          const char **namefound, char **value, char **filtered);
  29 */
  30
  31 static void do_fstab_filter_options(const char *opts,
  32                                       const char *remove,
  33                                       int r_expected,
  34                                       const char *name_expected,
  35                                       const char *value_expected,
  36                                       const char *filtered_expected) {
  37
  38         int r;
  39         const char *name;
  40         _cleanup_free_ char *value, *filtered;
  41
  42         r = fstab_filter_options(opts, remove, &name, &value, &filtered);
  43         log_info("\"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"",
  44                  opts, r, name, value, filtered,
  45                  r_expected, name_expected, value_expected, filtered_expected ?: opts);
  46         assert_se(r == r_expected);
  47         assert_se(streq_ptr(name, name_expected));
  48         assert_se(streq_ptr(value, value_expected));
  49         assert_se(streq_ptr(filtered, filtered_expected ?: opts));
  50
  51         /* also test the malloc-less mode */
  52         r = fstab_filter_options(opts, remove, &name, NULL, NULL);
  53         log_info("\"%s\" → %d, \"%s\", expected %d, \"%s\"",
  54                  opts, r, name,
  55                  r_expected, name_expected);
  56         assert_se(r == r_expected);
  57         assert_se(streq_ptr(name, name_expected));
  58 }
  59
  60 static void test_fstab_filter_options(void) {
  61         do_fstab_filter_options("opt=0", "opt\0x-opt\0", 1, "opt", "0", "");
  62         do_fstab_filter_options("opt=0", "x-opt\0opt\0", 1, "opt", "0", "");
  63         do_fstab_filter_options("opt", "opt\0x-opt\0", 1, "opt", NULL, "");
  64         do_fstab_filter_options("opt", "x-opt\0opt\0", 1, "opt", NULL, "");
  65         do_fstab_filter_options("x-opt", "x-opt\0opt\0", 1, "x-opt", NULL, "");
  66
  67         do_fstab_filter_options("opt=0,other", "opt\0x-opt\0", 1, "opt", "0", "other");
  68         do_fstab_filter_options("opt=0,other", "x-opt\0opt\0", 1, "opt", "0", "other");
  69         do_fstab_filter_options("opt,other", "opt\0x-opt\0", 1, "opt", NULL, "other");
  70         do_fstab_filter_options("opt,other", "x-opt\0opt\0", 1, "opt", NULL, "other");
  71         do_fstab_filter_options("x-opt,other", "opt\0x-opt\0", 1, "x-opt", NULL, "other");
  72
  73         do_fstab_filter_options("opto=0,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  74         do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  75         do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  76
  77         do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first");
  78         do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first=1");
  79         do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, "opt", "", "first");
  80         do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, "opt", NULL, "first=1");
  81         do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, "x-opt", NULL, "first=1");
  82
  83         do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, "opt", "0", "first,last=1");
  84         do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, "opt", "0", "first=1,last=2");
  85         do_fstab_filter_options("first,opt,last", "opt\0", 1, "opt", NULL, "first,last");
  86         do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, "opt", NULL, "first=1,last");
  87         do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, "opt", NULL, "first=,last");
  88
  89         /* check repeated options */
  90         do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, "noopt", "1", "first,last=1");
  91         do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, "opt", "1", "first=1,last=2");
  92         do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  93         do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  94
  95         /* check that semicolons are not misinterpreted */
  96         do_fstab_filter_options("opt=0;", "opt\0", 1, "opt", "0;", "");
  97         do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
  98         do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  99
 100         /* check that spaces are not misinterpreted */
 101         do_fstab_filter_options("opt=0 ", "opt\0", 1, "opt", "0 ", "");
 102         do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
 103         do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, NULL, NULL, NULL);
 104
 105         /* check function will NULL args */
 106         do_fstab_filter_options(NULL, "opt\0", 0, NULL, NULL, "");
 107         do_fstab_filter_options("", "opt\0", 0, NULL, NULL, "");
 108 }
 109
 110 static void test_fstab_find_pri(void) {
 111         int pri = -1;
 112
 113         assert_se(fstab_find_pri("pri", &pri) == 0);
 114         assert_se(pri == -1);
 115
 116         assert_se(fstab_find_pri("pri=11", &pri) == 1);
 117         assert_se(pri == 11);
 118
 119         assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1);
 120         assert_se(pri == 12);
 121
 122         assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1);
 123         assert_se(pri == 13);
 124 }
 125
 126 static void test_fstab_yes_no_option(void) {
 127         assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true);
 128         assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false);
 129         assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false);
 130         assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true);
 131         assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false);
 132 }
 133
 134 int main(void) {
 135         test_fstab_filter_options();
 136         test_fstab_find_pri();
 137         test_fstab_yes_no_option();
 138 }