src/test/test-verbs.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2014 systemd developers
   4 ***/
   5
   6 #include "macro.h"
   7 #include "strv.h"
   8 #include "verbs.h"
   9
  10 static int noop_dispatcher(int argc, char *argv[], void *userdata) {
  11         return 0;
  12 }
  13
  14 #define test_dispatch_one(argv, verbs, expected) \
  15         optind = 0; \
  16         assert_se(dispatch_verb(strv_length(argv), argv, verbs, NULL) == expected);
  17
  18 static void test_verbs(void) {
  19         static const Verb verbs[] = {
  20                 { "help",        VERB_ANY, VERB_ANY, 0,            noop_dispatcher },
  21                 { "list-images", VERB_ANY, 1,        0,            noop_dispatcher },
  22                 { "list",        VERB_ANY, 2,        VERB_DEFAULT, noop_dispatcher },
  23                 { "status",      2,        VERB_ANY, 0,            noop_dispatcher },
  24                 { "show",        VERB_ANY, VERB_ANY, 0,            noop_dispatcher },
  25                 { "terminate",   2,        VERB_ANY, 0,            noop_dispatcher },
  26                 { "login",       2,        2,        0,            noop_dispatcher },
  27                 { "copy-to",     3,        4,        0,            noop_dispatcher },
  28                 {}
  29         };
  30
  31         /* not found */
  32         test_dispatch_one(STRV_MAKE("command-not-found"), verbs, -EINVAL);
  33
  34         /* found */
  35         test_dispatch_one(STRV_MAKE("show"), verbs, 0);
  36
  37         /* found, too few args */
  38         test_dispatch_one(STRV_MAKE("copy-to", "foo"), verbs, -EINVAL);
  39
  40         /* found, meets min args */
  41         test_dispatch_one(STRV_MAKE("status", "foo", "bar"), verbs, 0);
  42
  43         /* found, too many args */
  44         test_dispatch_one(STRV_MAKE("copy-to", "foo", "bar", "baz", "quux", "qaax"), verbs, -EINVAL);
  45
  46         /* no verb, but a default is set */
  47         test_dispatch_one(STRV_MAKE_EMPTY, verbs, 0);
  48 }
  49
  50 static void test_verbs_no_default(void) {
  51         static const Verb verbs[] = {
  52                 { "help", VERB_ANY, VERB_ANY, 0, noop_dispatcher },
  53                 {},
  54         };
  55
  56         test_dispatch_one(STRV_MAKE(NULL), verbs, -EINVAL);
  57 }
  58
  59 int main(int argc, char *argv[]) {
  60         test_verbs();
  61         test_verbs_no_default();
  62
  63         return 0;
  64 }