src/test/test-verbs.c

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