tests/test-qemu-opts.c

   1 /*
   2  * QemuOpts unit-tests.
   3  *
   4  * Copyright (C) 2014 Leandro Dorileo <l@dorileo.org>
   5  *
   6  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
   7  * See the COPYING.LIB file in the top-level directory.
   8  */
   9
  10 #include "qemu/osdep.h"
  11 #include "qapi/error.h"
  12 #include "qapi/qmp/qstring.h"
  13 #include "qemu/config-file.h"
  14
  15
  16 static QemuOptsList opts_list_01 = {
  17     .name = "opts_list_01",
  18     .head = QTAILQ_HEAD_INITIALIZER(opts_list_01.head),
  19     .desc = {
  20         {
  21             .name = "str1",
  22             .type = QEMU_OPT_STRING,
  23         },{
  24             .name = "str2",
  25             .type = QEMU_OPT_STRING,
  26         },{
  27             .name = "str3",
  28             .type = QEMU_OPT_STRING,
  29         },{
  30             .name = "number1",
  31             .type = QEMU_OPT_NUMBER,
  32         },
  33         { /* end of list */ }
  34     },
  35 };
  36
  37 static QemuOptsList opts_list_02 = {
  38     .name = "opts_list_02",
  39     .head = QTAILQ_HEAD_INITIALIZER(opts_list_02.head),
  40     .desc = {
  41         {
  42             .name = "str1",
  43             .type = QEMU_OPT_STRING,
  44         },{
  45             .name = "bool1",
  46             .type = QEMU_OPT_BOOL,
  47         },{
  48             .name = "str2",
  49             .type = QEMU_OPT_STRING,
  50         },{
  51             .name = "size1",
  52             .type = QEMU_OPT_SIZE,
  53         },
  54         { /* end of list */ }
  55     },
  56 };
  57
  58 static QemuOptsList opts_list_03 = {
  59     .name = "opts_list_03",
  60     .head = QTAILQ_HEAD_INITIALIZER(opts_list_03.head),
  61     .desc = {
  62         /* no elements => accept any params */
  63         { /* end of list */ }
  64     },
  65 };
  66
  67 static void register_opts(void)
  68 {
  69     qemu_add_opts(&opts_list_01);
  70     qemu_add_opts(&opts_list_02);
  71     qemu_add_opts(&opts_list_03);
  72 }
  73
  74 static void test_find_unknown_opts(void)
  75 {
  76     QemuOptsList *list;
  77     Error *err = NULL;
  78
  79     /* should not return anything, we don't have an "unknown" option */
  80     list = qemu_find_opts_err("unknown", &err);
  81     g_assert(list == NULL);
  82     g_assert(err);
  83     error_free(err);
  84 }
  85
  86 static void test_qemu_find_opts(void)
  87 {
  88     QemuOptsList *list;
  89
  90     /* we have an "opts_list_01" option, should return it */
  91     list = qemu_find_opts("opts_list_01");
  92     g_assert(list != NULL);
  93     g_assert_cmpstr(list->name, ==, "opts_list_01");
  94 }
  95
  96 static void test_qemu_opts_create(void)
  97 {
  98     QemuOptsList *list;
  99     QemuOpts *opts;
 100
 101     list = qemu_find_opts("opts_list_01");
 102     g_assert(list != NULL);
 103     g_assert(QTAILQ_EMPTY(&list->head));
 104     g_assert_cmpstr(list->name, ==, "opts_list_01");
 105
 106     /* should not find anything at this point */
 107     opts = qemu_opts_find(list, NULL);
 108     g_assert(opts == NULL);
 109
 110     /* create the opts */
 111     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 112     g_assert(opts != NULL);
 113     g_assert(!QTAILQ_EMPTY(&list->head));
 114
 115     /* now we've create the opts, must find it */
 116     opts = qemu_opts_find(list, NULL);
 117     g_assert(opts != NULL);
 118
 119     qemu_opts_del(opts);
 120
 121     /* should not find anything at this point */
 122     opts = qemu_opts_find(list, NULL);
 123     g_assert(opts == NULL);
 124 }
 125
 126 static void test_qemu_opt_get(void)
 127 {
 128     QemuOptsList *list;
 129     QemuOpts *opts;
 130     const char *opt = NULL;
 131
 132     list = qemu_find_opts("opts_list_01");
 133     g_assert(list != NULL);
 134     g_assert(QTAILQ_EMPTY(&list->head));
 135     g_assert_cmpstr(list->name, ==, "opts_list_01");
 136
 137     /* should not find anything at this point */
 138     opts = qemu_opts_find(list, NULL);
 139     g_assert(opts == NULL);
 140
 141     /* create the opts */
 142     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 143     g_assert(opts != NULL);
 144     g_assert(!QTAILQ_EMPTY(&list->head));
 145
 146     /* haven't set anything to str2 yet */
 147     opt = qemu_opt_get(opts, "str2");
 148     g_assert(opt == NULL);
 149
 150     qemu_opt_set(opts, "str2", "value", &error_abort);
 151
 152     /* now we have set str2, should know about it */
 153     opt = qemu_opt_get(opts, "str2");
 154     g_assert_cmpstr(opt, ==, "value");
 155
 156     qemu_opt_set(opts, "str2", "value2", &error_abort);
 157
 158     /* having reset the value, the returned should be the reset one */
 159     opt = qemu_opt_get(opts, "str2");
 160     g_assert_cmpstr(opt, ==, "value2");
 161
 162     qemu_opts_del(opts);
 163
 164     /* should not find anything at this point */
 165     opts = qemu_opts_find(list, NULL);
 166     g_assert(opts == NULL);
 167 }
 168
 169 static void test_qemu_opt_get_bool(void)
 170 {
 171     Error *err = NULL;
 172     QemuOptsList *list;
 173     QemuOpts *opts;
 174     bool opt;
 175
 176     list = qemu_find_opts("opts_list_02");
 177     g_assert(list != NULL);
 178     g_assert(QTAILQ_EMPTY(&list->head));
 179     g_assert_cmpstr(list->name, ==, "opts_list_02");
 180
 181     /* should not find anything at this point */
 182     opts = qemu_opts_find(list, NULL);
 183     g_assert(opts == NULL);
 184
 185     /* create the opts */
 186     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 187     g_assert(opts != NULL);
 188     g_assert(!QTAILQ_EMPTY(&list->head));
 189
 190     /* haven't set anything to bool1 yet, so defval should be returned */
 191     opt = qemu_opt_get_bool(opts, "bool1", false);
 192     g_assert(opt == false);
 193
 194     qemu_opt_set_bool(opts, "bool1", true, &err);
 195     g_assert(!err);
 196
 197     /* now we have set bool1, should know about it */
 198     opt = qemu_opt_get_bool(opts, "bool1", false);
 199     g_assert(opt == true);
 200
 201     /* having reset the value, opt should be the reset one not defval */
 202     qemu_opt_set_bool(opts, "bool1", false, &err);
 203     g_assert(!err);
 204
 205     opt = qemu_opt_get_bool(opts, "bool1", true);
 206     g_assert(opt == false);
 207
 208     qemu_opts_del(opts);
 209
 210     /* should not find anything at this point */
 211     opts = qemu_opts_find(list, NULL);
 212     g_assert(opts == NULL);
 213 }
 214
 215 static void test_qemu_opt_get_number(void)
 216 {
 217     Error *err = NULL;
 218     QemuOptsList *list;
 219     QemuOpts *opts;
 220     uint64_t opt;
 221
 222     list = qemu_find_opts("opts_list_01");
 223     g_assert(list != NULL);
 224     g_assert(QTAILQ_EMPTY(&list->head));
 225     g_assert_cmpstr(list->name, ==, "opts_list_01");
 226
 227     /* should not find anything at this point */
 228     opts = qemu_opts_find(list, NULL);
 229     g_assert(opts == NULL);
 230
 231     /* create the opts */
 232     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 233     g_assert(opts != NULL);
 234     g_assert(!QTAILQ_EMPTY(&list->head));
 235
 236     /* haven't set anything to number1 yet, so defval should be returned */
 237     opt = qemu_opt_get_number(opts, "number1", 5);
 238     g_assert(opt == 5);
 239
 240     qemu_opt_set_number(opts, "number1", 10, &err);
 241     g_assert(!err);
 242
 243     /* now we have set number1, should know about it */
 244     opt = qemu_opt_get_number(opts, "number1", 5);
 245     g_assert(opt == 10);
 246
 247     /* having reset it, the returned should be the reset one not defval */
 248     qemu_opt_set_number(opts, "number1", 15, &err);
 249     g_assert(!err);
 250
 251     opt = qemu_opt_get_number(opts, "number1", 5);
 252     g_assert(opt == 15);
 253
 254     qemu_opts_del(opts);
 255
 256     /* should not find anything at this point */
 257     opts = qemu_opts_find(list, NULL);
 258     g_assert(opts == NULL);
 259 }
 260
 261 static void test_qemu_opt_get_size(void)
 262 {
 263     QemuOptsList *list;
 264     QemuOpts *opts;
 265     uint64_t opt;
 266     QDict *dict;
 267
 268     list = qemu_find_opts("opts_list_02");
 269     g_assert(list != NULL);
 270     g_assert(QTAILQ_EMPTY(&list->head));
 271     g_assert_cmpstr(list->name, ==, "opts_list_02");
 272
 273     /* should not find anything at this point */
 274     opts = qemu_opts_find(list, NULL);
 275     g_assert(opts == NULL);
 276
 277     /* create the opts */
 278     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 279     g_assert(opts != NULL);
 280     g_assert(!QTAILQ_EMPTY(&list->head));
 281
 282     /* haven't set anything to size1 yet, so defval should be returned */
 283     opt = qemu_opt_get_size(opts, "size1", 5);
 284     g_assert(opt == 5);
 285
 286     dict = qdict_new();
 287     g_assert(dict != NULL);
 288
 289     qdict_put(dict, "size1", qstring_from_str("10"));
 290
 291     qemu_opts_absorb_qdict(opts, dict, &error_abort);
 292     g_assert(error_abort == NULL);
 293
 294     /* now we have set size1, should know about it */
 295     opt = qemu_opt_get_size(opts, "size1", 5);
 296     g_assert(opt == 10);
 297
 298     /* reset value */
 299     qdict_put(dict, "size1", qstring_from_str("15"));
 300
 301     qemu_opts_absorb_qdict(opts, dict, &error_abort);
 302     g_assert(error_abort == NULL);
 303
 304     /* test the reset value */
 305     opt = qemu_opt_get_size(opts, "size1", 5);
 306     g_assert(opt == 15);
 307
 308     qdict_del(dict, "size1");
 309     g_free(dict);
 310
 311     qemu_opts_del(opts);
 312
 313     /* should not find anything at this point */
 314     opts = qemu_opts_find(list, NULL);
 315     g_assert(opts == NULL);
 316 }
 317
 318 static void test_qemu_opt_unset(void)
 319 {
 320     QemuOpts *opts;
 321     const char *value;
 322     int ret;
 323
 324     /* dynamically initialized (parsed) opts */
 325     opts = qemu_opts_parse(&opts_list_03, "key=value", false, NULL);
 326     g_assert(opts != NULL);
 327
 328     /* check default/parsed value */
 329     value = qemu_opt_get(opts, "key");
 330     g_assert_cmpstr(value, ==, "value");
 331
 332     /* reset it to value2 */
 333     qemu_opt_set(opts, "key", "value2", &error_abort);
 334
 335     value = qemu_opt_get(opts, "key");
 336     g_assert_cmpstr(value, ==, "value2");
 337
 338     /* unset, valid only for "accept any" */
 339     ret = qemu_opt_unset(opts, "key");
 340     g_assert(ret == 0);
 341
 342     /* after reset the value should be the parsed/default one */
 343     value = qemu_opt_get(opts, "key");
 344     g_assert_cmpstr(value, ==, "value");
 345
 346     qemu_opts_del(opts);
 347 }
 348
 349 static void test_qemu_opts_reset(void)
 350 {
 351     Error *err = NULL;
 352     QemuOptsList *list;
 353     QemuOpts *opts;
 354     uint64_t opt;
 355
 356     list = qemu_find_opts("opts_list_01");
 357     g_assert(list != NULL);
 358     g_assert(QTAILQ_EMPTY(&list->head));
 359     g_assert_cmpstr(list->name, ==, "opts_list_01");
 360
 361     /* should not find anything at this point */
 362     opts = qemu_opts_find(list, NULL);
 363     g_assert(opts == NULL);
 364
 365     /* create the opts */
 366     opts = qemu_opts_create(list, NULL, 0, &error_abort);
 367     g_assert(opts != NULL);
 368     g_assert(!QTAILQ_EMPTY(&list->head));
 369
 370     /* haven't set anything to number1 yet, so defval should be returned */
 371     opt = qemu_opt_get_number(opts, "number1", 5);
 372     g_assert(opt == 5);
 373
 374     qemu_opt_set_number(opts, "number1", 10, &err);
 375     g_assert(!err);
 376
 377     /* now we have set number1, should know about it */
 378     opt = qemu_opt_get_number(opts, "number1", 5);
 379     g_assert(opt == 10);
 380
 381     qemu_opts_reset(list);
 382
 383     /* should not find anything at this point */
 384     opts = qemu_opts_find(list, NULL);
 385     g_assert(opts == NULL);
 386 }
 387
 388 static void test_qemu_opts_set(void)
 389 {
 390     Error *err = NULL;
 391     QemuOptsList *list;
 392     QemuOpts *opts;
 393     const char *opt;
 394
 395     list = qemu_find_opts("opts_list_01");
 396     g_assert(list != NULL);
 397     g_assert(QTAILQ_EMPTY(&list->head));
 398     g_assert_cmpstr(list->name, ==, "opts_list_01");
 399
 400     /* should not find anything at this point */
 401     opts = qemu_opts_find(list, NULL);
 402     g_assert(opts == NULL);
 403
 404     /* implicitly create opts and set str3 value */
 405     qemu_opts_set(list, NULL, "str3", "value", &err);
 406     g_assert(!err);
 407     g_assert(!QTAILQ_EMPTY(&list->head));
 408
 409     /* get the just created opts */
 410     opts = qemu_opts_find(list, NULL);
 411     g_assert(opts != NULL);
 412
 413     /* check the str3 value */
 414     opt = qemu_opt_get(opts, "str3");
 415     g_assert_cmpstr(opt, ==, "value");
 416
 417     qemu_opts_del(opts);
 418
 419     /* should not find anything at this point */
 420     opts = qemu_opts_find(list, NULL);
 421     g_assert(opts == NULL);
 422 }
 423
 424 int main(int argc, char *argv[])
 425 {
 426     register_opts();
 427     g_test_init(&argc, &argv, NULL);
 428     g_test_add_func("/qemu-opts/find_unknown_opts", test_find_unknown_opts);
 429     g_test_add_func("/qemu-opts/find_opts", test_qemu_find_opts);
 430     g_test_add_func("/qemu-opts/opts_create", test_qemu_opts_create);
 431     g_test_add_func("/qemu-opts/opt_get", test_qemu_opt_get);
 432     g_test_add_func("/qemu-opts/opt_get_bool", test_qemu_opt_get_bool);
 433     g_test_add_func("/qemu-opts/opt_get_number", test_qemu_opt_get_number);
 434     g_test_add_func("/qemu-opts/opt_get_size", test_qemu_opt_get_size);
 435     g_test_add_func("/qemu-opts/opt_unset", test_qemu_opt_unset);
 436     g_test_add_func("/qemu-opts/opts_reset", test_qemu_opts_reset);
 437     g_test_add_func("/qemu-opts/opts_set", test_qemu_opts_set);
 438     g_test_run();
 439     return 0;
 440 }