src/test/test-fstab-util.c

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2015 Zbigniew Jędrzejewski-Szmek
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include "alloc-util.h"
  23 #include "fstab-util.h"
  24 #include "log.h"
  25 #include "string-util.h"
  26 #include "util.h"
  27
  28 /*
  29 int fstab_filter_options(const char *opts, const char *names,
  30                          const char **namefound, char **value, char **filtered);
  31 */
  32
  33 static void do_fstab_filter_options(const char *opts,
  34                                       const char *remove,
  35                                       int r_expected,
  36                                       const char *name_expected,
  37                                       const char *value_expected,
  38                                       const char *filtered_expected) {
  39
  40         int r;
  41         const char *name;
  42         _cleanup_free_ char *value, *filtered;
  43
  44         r = fstab_filter_options(opts, remove, &name, &value, &filtered);
  45         log_info("\"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"",
  46                  opts, r, name, value, filtered,
  47                  r_expected, name_expected, value_expected, filtered_expected ?: opts);
  48         assert_se(r == r_expected);
  49         assert_se(streq_ptr(name, name_expected));
  50         assert_se(streq_ptr(value, value_expected));
  51         assert_se(streq_ptr(filtered, filtered_expected ?: opts));
  52
  53         /* also test the malloc-less mode */
  54         r = fstab_filter_options(opts, remove, &name, NULL, NULL);
  55         log_info("\"%s\" → %d, \"%s\", expected %d, \"%s\"",
  56                  opts, r, name,
  57                  r_expected, name_expected);
  58         assert_se(r == r_expected);
  59         assert_se(streq_ptr(name, name_expected));
  60 }
  61
  62 static void test_fstab_filter_options(void) {
  63         do_fstab_filter_options("opt=0", "opt\0x-opt\0", 1, "opt", "0", "");
  64         do_fstab_filter_options("opt=0", "x-opt\0opt\0", 1, "opt", "0", "");
  65         do_fstab_filter_options("opt", "opt\0x-opt\0", 1, "opt", NULL, "");
  66         do_fstab_filter_options("opt", "x-opt\0opt\0", 1, "opt", NULL, "");
  67         do_fstab_filter_options("x-opt", "x-opt\0opt\0", 1, "x-opt", NULL, "");
  68
  69         do_fstab_filter_options("opt=0,other", "opt\0x-opt\0", 1, "opt", "0", "other");
  70         do_fstab_filter_options("opt=0,other", "x-opt\0opt\0", 1, "opt", "0", "other");
  71         do_fstab_filter_options("opt,other", "opt\0x-opt\0", 1, "opt", NULL, "other");
  72         do_fstab_filter_options("opt,other", "x-opt\0opt\0", 1, "opt", NULL, "other");
  73         do_fstab_filter_options("x-opt,other", "opt\0x-opt\0", 1, "x-opt", NULL, "other");
  74
  75         do_fstab_filter_options("opto=0,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  76         do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  77         do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, NULL, NULL, NULL);
  78
  79         do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first");
  80         do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, "opt", "0", "first=1");
  81         do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, "opt", "", "first");
  82         do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, "opt", NULL, "first=1");
  83         do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, "x-opt", NULL, "first=1");
  84
  85         do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, "opt", "0", "first,last=1");
  86         do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, "opt", "0", "first=1,last=2");
  87         do_fstab_filter_options("first,opt,last", "opt\0", 1, "opt", NULL, "first,last");
  88         do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, "opt", NULL, "first=1,last");
  89         do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, "opt", NULL, "first=,last");
  90
  91         /* check repeated options */
  92         do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, "noopt", "1", "first,last=1");
  93         do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, "opt", "1", "first=1,last=2");
  94         do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  95         do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, "x-opt", "1", "");
  96
  97         /* check that semicolons are not misinterpreted */
  98         do_fstab_filter_options("opt=0;", "opt\0", 1, "opt", "0;", "");
  99         do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
 100         do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, NULL, NULL, NULL);
 101
 102         /* check that spaces are not misinterpreted */
 103         do_fstab_filter_options("opt=0 ", "opt\0", 1, "opt", "0 ", "");
 104         do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, NULL, NULL, NULL);
 105         do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, NULL, NULL, NULL);
 106
 107         /* check function will NULL args */
 108         do_fstab_filter_options(NULL, "opt\0", 0, NULL, NULL, "");
 109         do_fstab_filter_options("", "opt\0", 0, NULL, NULL, "");
 110 }
 111
 112 static void test_fstab_find_pri(void) {
 113         int pri = -1;
 114
 115         assert_se(fstab_find_pri("pri", &pri) == 0);
 116         assert_se(pri == -1);
 117
 118         assert_se(fstab_find_pri("pri=11", &pri) == 1);
 119         assert_se(pri == 11);
 120
 121         assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1);
 122         assert_se(pri == 12);
 123
 124         assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1);
 125         assert_se(pri == 13);
 126 }
 127
 128 static void test_fstab_yes_no_option(void) {
 129         assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true);
 130         assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false);
 131         assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false);
 132         assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true);
 133         assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false);
 134 }
 135
 136 int main(void) {
 137         test_fstab_filter_options();
 138         test_fstab_find_pri();
 139         test_fstab_yes_no_option();
 140 }