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 "fstab-util.h"
  23 #include "util.h"
  24 #include "log.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 }